CN217484221U - Sensitivity test sample device for radiographic inspection of welding line of heat exchange tube and tube plate - Google Patents
Sensitivity test sample device for radiographic inspection of welding line of heat exchange tube and tube plate Download PDFInfo
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- CN217484221U CN217484221U CN202221491655.XU CN202221491655U CN217484221U CN 217484221 U CN217484221 U CN 217484221U CN 202221491655 U CN202221491655 U CN 202221491655U CN 217484221 U CN217484221 U CN 217484221U
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Abstract
The utility model discloses a heat exchange tube and tube sheet welding seam radiographic inspection sensitivity sample device in the technical field of radiographic inspection, which comprises a forging and a fixed plate, wherein the front side wall of the forging is provided with a tube sheet, the front side wall of the tube sheet is uniformly provided with tube holes, the outer side wall of the fixed plate is provided with a fixed frame, the top of the fixed frame is provided with an adjusting mechanism, the front side of the fixed frame is rotatably provided with a mounting box, the inner top of the mounting box is provided with an electric telescopic rod, the bottom of the electric telescopic rod is provided with a movable rod, one end of the movable rod penetrates through the inner bottom of the mounting box and extends to the outside, the rear side wall of the movable rod is provided with a radiographic inspection device, the adjusting mechanism can rotate the radiographic inspection device under the action of the adjusting mechanism, and can move the radiographic inspection device under the cooperation of the electric telescopic rod, the movable rod and the movable rod simultaneously, thereby better performing radiographic inspection sample on the welding seam welded between the heat exchange tube and the tube holes, the detection effect is good, and the detection efficiency is improved.
Description
Technical Field
The utility model relates to a ray transillumination inspection technical field specifically is a heat exchange tube and tube sheet welding seam ray transillumination inspection sensitivity sample device.
Background
The heat exchange tube of the steam generator is connected with the tube plate by adopting expansion joint and welding methods, so that the effects of sealing and resisting pull-off are achieved. The quality of the welding seam of the heat exchange tube and the tube plate on the steam generator directly influences the quality of the steam generator, and even directly determines the safety performance of the whole steam generator, so that radiographic inspection, penetrant inspection, helium leakage detection and the like are needed to be performed on the welding seam after welding is completed, the quality of the welding seam is checked, and the welding seam is ensured not to be leaked.
The existing ray transillumination test sensitivity sample device used for the weld joint of the heat exchange tube and the tube plate has poor test effect and can not test the weld joint more comprehensively.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat exchange tube and tube sheet welding seam ray transillumination inspection sensitivity sample device to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat exchange tube and tube sheet welding seam radiographic inspection sensitivity sample device, includes forging and fixed plate, the lateral wall is equipped with the tube sheet before the forging, the tube hole has evenly been seted up to the lateral wall before the tube sheet, be equipped with the multiunit heat exchange tube in the forging, the welding is equipped with the welding seam between heat exchange tube and the tube hole inner wall, the fixed plate inner wall is equipped with three sucking discs of group, three groups the sucking disc adsorbs on the forging outer wall, the fixed plate lateral wall is equipped with the mount, the mount top is equipped with adjustment mechanism, the mount front side rotates and is equipped with the mounting box, the top is equipped with electric telescopic handle in the mounting box, the electric telescopic handle bottom is equipped with the fly leaf, the fly leaf bottom is equipped with the movable rod, movable rod one end runs through the mounting box bottom and extends to the outside, the lateral wall is equipped with radiographic inspection device behind the movable rod.
Further, adjustment mechanism includes that the pivot that the side wall passes through the bearing connection and is equipped with before the mount, and pivot one end is connected and is equipped with driven gear, the mount top is equipped with the base, the base top is equipped with the motor, the motor output end is connected and is equipped with the driving gear with driven gear engaged with, the lateral wall is connected with driven gear before the mounting box rear side wall.
Furthermore, the lateral wall all has seted up the guide way about in the installation box, the lateral wall all is equipped with the guide block that matches with the guide way about the fly leaf.
Furthermore, the fixing plate is arranged in an arc shape.
Furthermore, the three groups of suckers are distributed on the inner wall of the fixing plate in a rectangular array.
Furthermore, the fixing frame is arranged in an L shape.
Compared with the prior art, the beneficial effects of the utility model are that: this practical adjustment mechanism's effect can rotate ray transillumination verifying attachment under, can remove ray transillumination verifying attachment under the cooperation of electric telescopic handle, fly leaf and movable rod simultaneously to better carry out ray transillumination inspection sample to the welded welding seam between heat exchange tube and the tube hole, it is effectual to inspect, has improved detection efficiency.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic view of the structure a of the present invention.
In the figure: 1. forging; 2. a tube sheet; 3. a suction cup; 4. a fixing plate; 5. a fixed mount; 6. mounting a box; 7. an electric telescopic rod; 8. a movable plate; 9. a movable rod; 10. a radiographic inspection device; 11. an adjustment mechanism; 110. a motor; 111. a driving gear; 112. a base; 113. a driven gear; 12. the tube hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
referring to fig. 1, the present invention provides a technical solution: a sensitivity test sample device for radiographic inspection of welding lines of a heat exchange tube and a tube plate comprises a forged piece 1 and a fixed plate 4, wherein the fixed plate 4 is arranged in an arc shape, so that the fixed plate 4 is matched with the outer wall of the forged piece 1, the tube plate 2 is arranged on the front side wall of the forged piece 1, tube holes 12 are uniformly formed in the front side wall of the tube plate 2, a plurality of groups of heat exchange tubes are arranged in the forged piece 1, welding lines are welded between the heat exchange tubes and the inner wall of the tube holes 12, three groups of suckers 3 are arranged on the inner wall of the fixed plate 4, the three groups of suckers 3 are adsorbed on the outer wall of the forged piece 1, the three groups of suckers 3 are distributed on the inner wall of the fixed plate 4 in a rectangular array manner, so that the suckers 3 can be better adsorbed on the outer wall of the forged piece 1, the stability of the fixed plate 4 is ensured, a fixed frame 5 is arranged on the outer side wall of the fixed plate 4, an L-shaped fixed frame 5 is provided with an adjusting mechanism 11 at the top, a mounting box 6 is rotatably arranged at the front side of the fixing frame 5, an electric telescopic rod 7 is arranged at the top in the mounting box 6, electric telescopic handle 7 passes through electric connection with external power source, electric telescopic handle 7 bottom is equipped with fly leaf 8, the guide way has all been seted up to the lateral wall about in the mounting box 6, the lateral wall all is equipped with the guide block that matches with the guide way about fly leaf 8, it is more stable to make fly leaf 8 reciprocate in mounting box 6 under the effect of guide way and guide block, fly leaf 8 bottom is equipped with movable rod 9, 9 one end of movable rod runs through the bottom in the mounting box 6 and extends to the outside, lateral wall is equipped with ray inspection device 10 that shines thoroughly behind movable rod 9.
Referring to fig. 2, the adjusting mechanism 11 includes a rotating shaft connected to the front side wall of the fixing frame 5 through a bearing, a driven gear 113 is connected to one end of the rotating shaft, a base 112 is disposed on the top of the fixing frame 5, a motor 110 is disposed on the top of the base 112, a driving gear 111 engaged with the driven gear 113 is connected to the output end of the motor 110, and the rear side wall of the mounting box 6 is connected to the front side wall of the driven gear 113.
The working principle is as follows: adsorb fixed plate 4 at forging 1's outer wall under the effect of sucking disc 3, drive fly leaf 8 downstream in mounting box 6 under electric telescopic handle 7's effect, fly leaf 8 drives movable rod 9 downstream, movable rod 9 drives ray transillumination verifying attachment 10 and removes, ray transillumination verifying attachment 10 can carry out ray transillumination inspection sample to the welded welding seam between heat exchange tube and tube hole 12, it rotates to drive driving gear 111 under motor 110's effect, driving gear 111 drives driven gear 113 and rotates, driven gear 113 drives mounting box 6 and rotates, thereby can rotate ray transillumination verifying attachment 10, make ray transillumination verifying attachment 10 can carry out comprehensive inspection to the welding seam on the tube sheet 2, it is convenient to inspect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a heat exchange tube and tube sheet welding seam ray transillumination inspection sensitivity sample device, includes forging (1) and fixed plate (4), its characterized in that: the pipe plate (2) is arranged on the front side wall of the forged piece (1), pipe holes (12) are uniformly formed in the front side wall of the pipe plate (2), multiple groups of heat exchange pipes are arranged in the forged piece (1), welding seams are arranged between the heat exchange pipes and the inner wall of the pipe holes (12), three groups of suckers (3) are arranged on the inner wall of the fixed plate (4), the three groups of suckers (3) are adsorbed on the outer wall of the forged piece (1), a fixed frame (5) is arranged on the outer wall of the fixed plate (4), an adjusting mechanism (11) is arranged at the top of the fixed frame (5), a mounting box (6) is arranged on the front side of the fixed frame (5) in a rotating manner, an electric telescopic rod (7) is arranged at the inner top of the mounting box (6), a movable plate (8) is arranged at the bottom of the electric telescopic rod (7), a movable rod (9) is arranged at the bottom of the movable plate (8), one end of the movable rod (9) penetrates through the inner bottom of the mounting box (6) and extends to the outside, and a ray transillumination inspection device (10) is arranged on the rear side wall of the movable rod (9).
2. The device for testing the sensitivity of the heat exchange tube and the tube plate welding seam in the transradiographic inspection according to claim 1, which is characterized in that: adjustment mechanism (11) include that mount (5) preceding lateral wall passes through the pivot that the bearing connection was equipped with, and pivot one end is connected and is equipped with driven gear (113), mount (5) top is equipped with base (112), base (112) top is equipped with motor (110), motor (110) output end is connected and is equipped with driving gear (111) with driven gear (113) engaged with, lateral wall is connected before mounting box (6) back and driven gear (113).
3. The device for testing the sensitivity of the heat exchange tube and the tube plate welding seam in the transradiographic inspection according to claim 1, which is characterized in that: the mounting box (6) is provided with a left side wall and a right side wall, and the left side wall and the right side wall of the movable plate (8) are provided with guide blocks matched with the guide grooves.
4. The device for testing the sensitivity of the heat exchange tube and the tube plate welding seam in the transradiographic inspection according to claim 1, which is characterized in that: the fixing plate (4) is arranged in an arc shape.
5. The device for testing the sensitivity of the heat exchange tube and the tube plate welding seam in the transradiographic inspection according to claim 1, which is characterized in that: the three groups of suckers (3) are distributed on the inner wall of the fixing plate (4) in a rectangular array.
6. The device for testing the sensitivity of the heat exchange tube and the tube plate welding seam in the transradiographic inspection according to claim 1, which is characterized in that: the fixing frame (5) is arranged in an L shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221491655.XU CN217484221U (en) | 2022-06-14 | 2022-06-14 | Sensitivity test sample device for radiographic inspection of welding line of heat exchange tube and tube plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221491655.XU CN217484221U (en) | 2022-06-14 | 2022-06-14 | Sensitivity test sample device for radiographic inspection of welding line of heat exchange tube and tube plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217484221U true CN217484221U (en) | 2022-09-23 |
Family
ID=83315347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221491655.XU Active CN217484221U (en) | 2022-06-14 | 2022-06-14 | Sensitivity test sample device for radiographic inspection of welding line of heat exchange tube and tube plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217484221U (en) |
-
2022
- 2022-06-14 CN CN202221491655.XU patent/CN217484221U/en active Active
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