CN219694958U - Positioning device for internal defects of thick austenitic stainless steel valve body casting - Google Patents
Positioning device for internal defects of thick austenitic stainless steel valve body casting Download PDFInfo
- Publication number
- CN219694958U CN219694958U CN202321239507.3U CN202321239507U CN219694958U CN 219694958 U CN219694958 U CN 219694958U CN 202321239507 U CN202321239507 U CN 202321239507U CN 219694958 U CN219694958 U CN 219694958U
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- casting
- stainless steel
- radiation source
- austenitic stainless
- steel valve
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- 230000007547 defect Effects 0.000 title claims abstract description 53
- 238000005266 casting Methods 0.000 title claims abstract description 46
- 229910000963 austenitic stainless steel Inorganic materials 0.000 title claims abstract description 17
- 230000005855 radiation Effects 0.000 claims abstract description 24
- 230000002285 radioactive effect Effects 0.000 claims abstract description 16
- 229910001566 austenite Inorganic materials 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model provides a positioning device for internal defects of a thick austenitic stainless steel valve body casting, which relates to the technical field of austenitic stainless steel valve body casting production and comprises the following components: a casting body; and the positioning assembly is positioned at the upper side of the casting body. According to the utility model, when the defect detection positioning is carried out on the casting body, the first radiation source and the second radiation source are matched for use, the first radiation source carries out defect detection on the casting body from a vertical direction, the second radiation source carries out defect detection on the casting body from an oblique direction, two radioactive rays of the internal defect are detected through the matching of the first radiation source and the second radiation source, and the intersection point of the two radioactive rays is found, so that the specific position of the defect in the casting body can be obtained, the problems that the accurate thickness position of the defect cannot be known in the background technology, the defect cannot be accurately dug out and welded in repair are solved, and the repair workload and the material waste are increased.
Description
Technical Field
The utility model relates to the technical field of austenitic stainless steel valve body casting production, in particular to a positioning device for internal defects of a thick austenitic stainless steel valve body casting.
Background
The austenitic stainless steel valve body casting is a common valve casting material, has the characteristics of corrosion resistance, wear resistance, high temperature resistance, high strength and the like, and is a main body part of the valve.
In the prior art, when detecting the internal defect of the casting, a direct ray detection method is generally adopted, the direct ray can only judge the position of the defect in the vertical and ray directions, the position of the defect parallel to the ray directions cannot be judged, namely the accurate thickness position of the defect cannot be known, and the defect cannot be accurately dug out and repair welded during repair, so that the repair workload and the material waste are increased.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, when the internal defects of castings are detected, a ray direct incidence detection method is generally adopted, the ray direct incidence can only judge the positions of the defects in the vertical and ray directions, the positions of the defects parallel to the ray directions cannot be judged, namely the accurate thickness positions of the defects cannot be known, the defects cannot be accurately dug out and repair welded during repair, the repair workload and the material waste are increased, and the internal defects of thick and large austenitic stainless steel valve castings are provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a positioning device for internal defects of thick austenitic stainless steel valve castings comprises: a casting body; the positioning assembly is located at the upper side of the casting body and comprises a mounting plate, a first radioactive source is arranged at the center of the lower surface of the mounting plate, a first notch is formed in the lower surface of the mounting plate, a second notch is formed in the lower surface of the mounting plate, which is close to the front side of the first notch, a motor is fixedly connected to the outer surface of the right side of the mounting plate, an output end of the motor penetrates through the mounting plate in a sliding mode, and a screw rod is fixedly connected to the output end of the motor.
Preferably, a first projection film is arranged on one side, close to the mounting plate, of the inner surface of the casting body, and a second projection film is arranged on the lower surface of the first projection film.
Preferably, the screw rod is located at the inner side of the first notch, the left end face of the screw rod is rotationally connected with the right surface of the inner side of the first notch, and the outer surface of the screw rod is in threaded connection with a first sliding block.
Preferably, the inner surface of the second notch is fixedly connected with a limiting rod, the inner surface of the limiting rod is penetrated and slidably connected with a second sliding block, and a connecting plate is fixedly connected between the lower surfaces of the first sliding block and the second sliding block.
Preferably, the lower surface of the connecting plate is fixedly connected with an inclined block, and the lower surface of the inclined block is provided with a second radioactive source.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. according to the utility model, when the defect detection positioning is carried out on the casting body, the first radiation source and the second radiation source are matched for use, the first radiation source carries out defect detection on the casting body from a vertical direction, the second radiation source carries out defect detection on the casting body from an oblique direction, two radioactive rays of the internal defect are detected through the matching of the first radiation source and the second radiation source, and the intersection point of the two radioactive rays is found, so that the specific position of the defect in the casting body can be obtained, the problems that the accurate thickness position of the defect cannot be known in the background technology, the defect cannot be accurately dug out and welded in repair are solved, and the repair workload and the material waste are increased.
Drawings
FIG. 1 is a perspective view of a positioning device for internal defects of a thick austenitic stainless steel valve casting according to the present utility model;
FIG. 2 is a schematic diagram of a casting body of a device for locating internal defects of a thick austenitic stainless steel valve casting according to the present utility model;
fig. 3 is a schematic diagram of a positioning assembly of a positioning device for internal defects of a thick austenitic stainless steel valve casting according to the present utility model.
Legend description: 1. a casting body; 2. a first projection film; 3. a second projection film; 4. a positioning assembly; 401. a mounting plate; 402. a first radiation source; 403. a first notch; 404. a second notch; 405. a motor; 406. a screw rod; 407. a first slider; 408. a limit rod; 409. a second slider; 410. a connecting plate; 411. a sloping block; 412. and a second radiation source.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Embodiment 1 as shown in fig. 1 to 3, the present utility model provides a positioning device for internal defects of a thick austenitic stainless steel valve casting, comprising: a casting body 1; the positioning assembly 4, positioning assembly 4 is located foundry goods body 1 upside position, positioning assembly 4 includes mounting panel 401, mounting panel 401 lower surface center department is provided with first radiation source 402, first notch 403 has been seted up to mounting panel 401 lower surface, mounting panel 401 lower surface is close to first notch 403 front side position and has been seted up second notch 404, mounting panel 401 right side surface fixedly connected with motor 405, motor 405 output and mounting panel 401 slip run through, motor 405 output fixedly connected with lead screw 406, foundry goods body 1 internal surface is close to mounting panel 401 one side and is provided with first projection film 2, first projection film 2 lower surface is provided with second projection film 3, lead screw 406 is located first notch 403 inboard, lead screw 406 left end face and the inboard right surface swivelling joint of first notch 403, lead screw 406 external surface threaded connection has first slider 407, second notch 404 internal surface fixedly connected with gag lever post 408, gag lever post 408 internal surface runs through sliding connection has second slider 409, fixedly connected with connecting plate 410 between first slider 407 and the second slider 409 lower surface, connecting plate 410 lower surface fixedly connected with sloping block 411, sloping block lower surface is provided with second radiation source 412.
The effect that its whole embodiment 1 reaches is, when carrying out defect detection location to foundry goods body 1, start first radiation source 402 and carry out inside defect detection to the local region of foundry goods body 1, can project on first projection film 2 after detecting foundry goods body 1 inside defect, starter motor 405 drives lead screw 406 and rotates, can drive first slider 407 and remove when the lead screw 406 rotates, through the connection of connecting plate 410, second slider 409 follows along the gag lever post 408 removal, can drive the second radiation source 412 through the connection of sloping block 411 when connecting plate 410 removes, the second radiation source 412 starts after moving to the testing position of first radiation source 402, second radiation source 412 detects the defect to foundry goods body 1, can project on second projection film 3 after detecting foundry goods body 1 inside defect, after the detection is accomplished, through three-dimensional software simulation foundry goods body 1, two radial lines of internal defect are detected through first radiation source 402 and second radiation source 412 cooperation, and find out the intersection of two radial lines, can obtain the concrete position of defect in foundry goods body 1 inside.
Working principle: when the defect detection positioning is carried out on the casting body 1, the first radioactive source 402 is started to detect the internal defect of the local area of the casting body 1, the detected internal defect of the casting body 1 is projected onto the first projection film 2, the motor 40 is started to drive the second radioactive source 412 to move, the second radioactive source 412 is started after moving to the detection position of the first radioactive source 402, the second radioactive source 412 is used for detecting the defect of the casting body 1, the detected internal defect of the casting body 1 is projected onto the second projection film 3, after the detection is finished, the casting body 1 is simulated through three-dimensional software, two radioactive rays of the internal defect are detected through the cooperation of the first radioactive source 402 and the second radioactive source 412, and the intersection point of the two radioactive rays is found, so that the specific position of the defect in the casting body 1 can be obtained.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model will still fall within the protection scope of the technical solution of the present utility model.
Claims (5)
1. The utility model provides a thick great austenite stainless steel valve body foundry goods internal defect's positioner which characterized in that includes:
a casting body (1);
positioning component (4), positioning component (4) are located foundry goods body (1) upside position, positioning component (4) are including mounting panel (401), mounting panel (401) lower surface center department is provided with first radiation source (402), first notch (403) have been seted up to mounting panel (401) lower surface, second notch (404) have been seted up near first notch (403) front side position in mounting panel (401) lower surface, mounting panel (401) right side surface fixedly connected with motor (405), motor (405) output and mounting panel (401) slip run through, motor (405) output fixedly connected with lead screw (406).
2. The positioning device for internal defects of thick and large austenitic stainless steel valve castings according to claim 1, wherein: the casting is characterized in that a first projection film (2) is arranged on one side, close to the mounting plate (401), of the inner surface of the casting body (1), and a second projection film (3) is arranged on the lower surface of the first projection film (2).
3. The positioning device for internal defects of thick and large austenitic stainless steel valve castings according to claim 1, wherein: the screw rod (406) is located at the inner side of the first notch (403), the left end face of the screw rod (406) is rotationally connected with the right surface of the inner side of the first notch (403), and a first sliding block (407) is connected with the outer surface of the screw rod (406) in a threaded mode.
4. A device for locating internal defects in thick austenitic stainless steel valve castings according to claim 3, wherein: the inner surface of the second notch (404) is fixedly connected with a limiting rod (408), the inner surface of the limiting rod (408) is connected with a second sliding block (409) in a penetrating and sliding manner, and a connecting plate (410) is fixedly connected between the lower surfaces of the first sliding block (407) and the second sliding block (409).
5. The device for locating internal defects of a thick austenitic stainless steel valve body casting according to claim 4, wherein: the lower surface of the connecting plate (410) is fixedly connected with an inclined block (411), and a second radioactive source (412) is arranged on the lower surface of the inclined block (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321239507.3U CN219694958U (en) | 2023-05-22 | 2023-05-22 | Positioning device for internal defects of thick austenitic stainless steel valve body casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321239507.3U CN219694958U (en) | 2023-05-22 | 2023-05-22 | Positioning device for internal defects of thick austenitic stainless steel valve body casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219694958U true CN219694958U (en) | 2023-09-15 |
Family
ID=87964710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321239507.3U Active CN219694958U (en) | 2023-05-22 | 2023-05-22 | Positioning device for internal defects of thick austenitic stainless steel valve body casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219694958U (en) |
-
2023
- 2023-05-22 CN CN202321239507.3U patent/CN219694958U/en active Active
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