CN114609360A - Nondestructive testing equipment and method for metal weld defects - Google Patents
Nondestructive testing equipment and method for metal weld defects Download PDFInfo
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- 238000004021 metal welding Methods 0.000 claims description 17
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Abstract
The invention discloses nondestructive testing equipment for metal weld defects, which comprises a bearing unit and a clamping unit, wherein the bearing unit comprises a bottom plate, a first limiting groove horizontally arranged on the bottom plate and a second limiting groove symmetrically and horizontally arranged on the bottom plate, the first limiting groove is positioned between the second limiting grooves symmetrically and horizontally arranged on the bottom plate, and the clamping unit comprises an adjusting component arranged at the top of the bottom plate and a limiting component arranged on one side of the adjusting component; the metal pipe detection device is provided with the bearing unit and the clamping unit, the metal pipe is borne by the bearing unit, the limiting assembly in the clamping unit drives the adjusting assembly to adjust according to the hole diameters of two ends of the metal pipe, and then the metal pipe is detected, so that the problem that the existing nondestructive detection equipment for metal weld defects can detect the metal pipe with a single hole diameter is solved.
Description
Technical Field
The invention relates to the technical field of metal welding seam detection equipment, in particular to nondestructive detection equipment and a nondestructive detection method for metal welding seam defects.
Background
The metal welding seam nondestructive testing equipment is mainly used for detecting whether defects (cracks, sand holes, air holes, white spots, inclusions and the like) exist in a machined part, whether a welding seam is qualified or not and whether dark damages exist or not are searched, and therefore whether the workpiece is qualified or not is judged.
However, the existing nondestructive testing equipment for metal welding seam defects can detect the metal pipe with a single aperture, and the equipment needs to be replaced when the metal pipe with different apertures or welded with different apertures needs to be detected, which wastes time and labor.
Disclosure of Invention
The invention aims to provide nondestructive testing equipment and a nondestructive testing method for metal welding seam defects, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a nondestructive test equipment of metal welding seam defect, includes load-bearing unit and clamping unit, wherein, load-bearing unit includes that bottom plate and level are seted up in first spacing groove and symmetry level on the bottom plate are seted up in second spacing groove on the bottom plate, first spacing groove is located the symmetry level and sets up in between the second spacing groove on the bottom plate, clamping unit including set up in the adjusting part at bottom plate top, set up in the spacing subassembly of adjusting part one side.
Optionally, a first sliding block is embedded in the first limiting groove, a second sliding block is symmetrically embedded in the second limiting groove, a lifting assembly is arranged on the first sliding block, a supporting column is fixedly connected to the top of the second sliding block, and the supporting column is horizontally provided with a holding tank.
Optionally, the lifting assembly comprises a sleeve, a support rod is arranged in the sleeve, the sleeve and the support rod are both arranged in a hollow mode, an air vent is horizontally formed in the support rod, and a connecting hole is formed in the bottom of the support rod.
Optionally, two ends of the connecting hole are respectively communicated with the inner space of the support rod and the inner space of the sleeve, an air hose is fixedly connected in the vent hole, an air pump is arranged at one end of the air hose, an output end of the air pump is fixedly connected with the air hose, the air pump is fixedly connected with the bottom plate, and a detector is fixedly connected to the top of the support rod.
Optionally, the adjusting part includes the spacing ring that the symmetry set up, and the symmetry sets up be provided with polylith regulating plate, polylith between the spacing ring the regulating plate constitutes a circle, a plurality of spacing holes have been seted up to the spacing ring upper level, and is a plurality of the first gag lever post of equal fixedly connected with in the spacing hole, first gag lever post level run through the regulating plate and with regulating plate coupling.
Optionally, a connection ring is disposed outside the limit ring, a plurality of first connection grooves and a plurality of second connection grooves are horizontally formed in the limit ring and the connection ring, a plurality of connection rods are disposed between the limit ring and the connection ring, and two ends of each connection rod are located in the first connection groove and the second connection groove respectively.
Optionally, a second limiting rod and a third limiting rod horizontally penetrate through two ends of the connecting rod respectively, one end of the second limiting rod is fixedly connected with the connecting ring, the other end of the second limiting rod is in shaft connection with the connecting rod, one end of the third limiting rod is fixedly connected with the connecting rod, and the other end of the third limiting rod is in shaft connection with the adjusting plate.
Optionally, a plurality of connecting teeth are arranged on the connecting ring and are uniformly distributed on the connecting ring, the number of the adjusting plate, the number of the limiting holes, the number of the first connecting grooves, the number of the second connecting grooves and the number of the connecting rods are the same, a connecting block is connected to the connecting ring, and the connecting block is fixedly connected with the support column.
Optionally, spacing subassembly including set up in limit gear in the holding tank, limit gear and the meshing of being connected the tooth, the last level of limit gear runs through and is provided with the rotation axis, rotation axis and support column coupling, and rotation axis and limit gear coupling, fixedly connected with ratchet on the rotation axis, there is the dwang through torsional spring connection on the rotation axis, ratchet and limit gear fixed connection, the meshing has regulation tooth and joint tooth on the ratchet, there are first spacing axle and the spacing axle of second through torsional spring connection respectively on regulation tooth and the joint tooth, first spacing axle and dwang fixed connection, the spacing axle of second and support column fixed connection.
A nondestructive testing method for metal welding seam defects comprises the steps of S1: firstly, adjusting an adjusting component in a clamping unit according to the aperture of the metal pipe; s2: the rotating shaft drives the limiting gear to rotate by rotating the rotating rod in the limiting assembly; s3: the limiting gear drives the connecting ring to rotate, and the adjusting plate moves through the matching of the connecting rod, so that the aperture is adjusted, and the metal pipe is clamped; s4: the position of the detector is adjusted by moving the first sliding block in the first limiting groove, and when the detector is positioned below the welding line, the detector is driven to move in the vertical direction by the lifting assembly; s5: when the detector is lifted to a specified position, the metal pipe is rotated, and the whole welding seam is detected.
Compared with the prior art, the invention has the beneficial effects that: the metal pipe detection device is provided with the bearing unit and the clamping unit, the metal pipe is borne by the bearing unit, the limiting assembly in the clamping unit drives the adjusting assembly to adjust according to the hole diameters of two ends of the metal pipe, and then the metal pipe is detected, so that the problem that the existing nondestructive detection equipment for metal weld defects can detect the metal pipe with a single hole diameter is solved.
Drawings
FIG. 1 is a schematic view of the overall structure of a nondestructive inspection apparatus for metal weld defects according to the present invention;
FIG. 2 is a schematic structural diagram of a base plate of the nondestructive testing apparatus for metal weld defects of the present invention;
FIG. 3 is a schematic structural view of a lifting assembly of the nondestructive testing device for metal weld defects of the present invention;
FIG. 4 is a schematic sectional view of the lifting assembly of the nondestructive testing apparatus for metal weld defects of the present invention;
FIG. 5 is a schematic structural view of a clamping unit of the nondestructive testing apparatus for metal weld defects of the present invention;
FIG. 6 is a schematic view of an adjusting assembly of the nondestructive testing apparatus for metal weld defects of the present invention;
FIG. 7 is a schematic structural diagram of a limiting ring and a connecting ring of the nondestructive testing apparatus for metal weld defects of the present invention;
FIG. 8 is a schematic structural diagram of a limiting component of the nondestructive testing apparatus for metal weld defects of the present invention.
In the figure: 1. a carrying unit; 11. a base plate; 12. a first limit groove; 13. a second limit groove; 14. a first slider; 15. a second slider; 16. a lifting assembly; 161. a sleeve; 162. a support bar; 163. a vent hole; 164. connecting holes; 165. a gas hose; 166. an air pump; 167. a detector; 17. a support pillar; 18. accommodating grooves; 2. a clamping unit; 21. an adjustment assembly; 211. a limiting ring; 212. an adjusting plate; 213. a limiting hole; 214. a first limit rod; 215. a connecting ring; 2151. connecting blocks; 216. a first connecting groove; 217. a second connecting groove; 218. a connecting rod; 2181. a second limiting rod; 2182. a third limiting rod; 219. a connecting tooth; 22. a limiting component; 221. a limit gear; 222. a rotating shaft; 223. a ratchet wheel; 224. rotating the rod; 225. adjusting the teeth; 226. clamping teeth; 227. a first limit shaft; 228. a second limiting shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 5, for the first embodiment of the present invention, a nondestructive testing apparatus for metal weld defects is provided, which includes a supporting unit 1 for supporting a clamping unit 2, a bottom plate 11 for supporting a lifting assembly 16, a first limiting groove 12 for limiting a first sliding block 14, a second limiting groove 13 for limiting a second sliding block 15, a first sliding block 14 for driving the lifting assembly 16 to move, a second sliding block 15 for driving a supporting column 17 to move, a lifting assembly 16 for driving a detector 167 to vertically lift, a sleeve 161 for limiting the supporting rod 162, a supporting rod 162 for supporting the detector 167, a vent 163 for introducing gas into an inner space of the supporting rod 162, a connecting hole 164 for introducing gas into an inner space of the sleeve 161, a gas delivery hose 165 for delivering gas, a gas pump 166 for injecting gas into the gas delivery hose 165, a gas pump for delivering gas into the gas delivery hose 166, a gas pump for delivering gas into the gas delivery hose 165, and a gas pump for delivering gas to the detector 167, The detector 167 that detects the welding seam, support column 17 that supports to clamping unit 2, the holding tank 18 that holds spacing subassembly 22, carry out spacing clamping unit 2 to the tubular metal resonator both ends, carry out the adjusting part 21 that adjusts, carry out spacing subassembly 22 to adjusting part 21 according to the aperture of tubular metal resonator.
Wherein, carry out the load cell 1 that bears and carry out spacing centre gripping unit 2 to the tubular metal resonator both ends to the clamping unit 2, load cell 1 includes that bottom plate 11 and the level that bears to lifting unit 16 are seted up and are carried out spacing first spacing groove 12 and symmetry level on bottom plate 11 and set up and carry out spacing second spacing groove 13 to second slider 15 on bottom plate 11 to first slider 14, first spacing groove 12 is located the symmetry level and sets up between the second spacing groove 13 on bottom plate 11, clamping unit 2 is including setting up the adjusting part 21 that adjusts in the aperture according to the tubular metal resonator at bottom plate 11 top, set up and carry out spacing subassembly 22 to adjusting part 21 one side.
Further, inlay in first spacing groove 12 and be equipped with the first slider 14 that drives elevating module 16 and carry out the displacement, second spacing groove 13 symmetry inlays and is equipped with the second slider 15 that drives support column 17 and carry out the displacement, is provided with on the first slider 14 and drives detector 167 and carry out the elevating module 16 that vertical lift, and second slider 15 top fixedly connected with support column 17 offers the holding tank 18 that holds spacing subassembly 22 to the support column 17 level that clamping unit 2 supported.
Further, the lifting component 16 includes a sleeve 161 for limiting the supporting rod 162, the supporting rod 162 for supporting the detector 167 is disposed in the sleeve 161, the sleeve 161 and the supporting rod 162 are both hollow, a vent 163 for introducing gas into the inner space of the supporting rod 162 is horizontally disposed on the supporting rod 162, and a connecting hole 164 for introducing gas into the inner space of the sleeve 161 is disposed at the bottom of the supporting rod 162.
Further, two ends of the connecting hole 164 are respectively communicated with the inner space of the support rod 162 and the inner space of the sleeve 161, an air conveying hose 165 for conveying air is fixedly connected to the inside of the vent hole 163, an air pump 166 for injecting air into the air conveying hose 165 is arranged at one end of the air conveying hose 165, the output end of the air pump 166 is fixedly connected with the air conveying hose 165, the air pump 166 is fixedly connected with the bottom plate 11, and a detector 167 for detecting a welding seam is fixedly connected to the top of the support rod 162.
In the using process, firstly, according to the length of the metal pipe to be detected, the second sliding block 15 positioned in the second limiting groove 13 is moved, when the second sliding block 15 moves to the designated position, the limiting component 22 in the clamping unit 2 drives the adjusting component 21, so that the adjusting component 21 adjusts according to the aperture of the two ends of the metal pipe, and then the two ends of the metal pipe are clamped, when the clamping of the two ends of the metal pipe is completed, the first sliding block 14 positioned in the first limiting groove 12 is moved, the detector 167 is moved to the position right below the welding seam, the air pump 166 in the lifting component 16 is started, the air pump 166 injects air into the inner space of the supporting rod 162 along the air conveying hose 165, and because the two ends of the connecting hole 164 are respectively communicated with the inner space of the supporting rod 162 and the inner space of the sleeve 161, so that the air in the inner space of the supporting rod 162 enters the inner space of the sleeve 161 through the connecting hole 164, thereby ejecting the supporting rod 162 out of the sleeve 161, so that the supporting rod 162 drives the detector 167 to move to a proper height for detecting the weld.
Example 2
Referring to fig. 5 to 8, a second embodiment of the present invention, which is different from the first embodiment, is: the adjusting assembly 21 for adjusting according to the aperture of the metal tube comprises a limiting ring 211 for limiting the adjusting plate 212, an adjusting plate 212 for adjusting according to the aperture of the metal tube, a limiting hole 213 for accommodating the first limiting rod 214, a first limiting rod 214 for limiting the limiting ring 211 and the adjusting plate 212, a connecting ring 215 for adjusting the aperture of the adjusting plate 212, a connecting block 2151 for bearing the connecting ring 215, a first connecting groove 216 and a second connecting groove 217 for accommodating the connecting rod 218, a connecting rod 218 for connecting the adjusting plate 212 and the connecting ring 215, a second limiting rod 2181 for limiting the connecting ring 215 and the connecting rod 218, a third limiting rod 2182 for limiting the connecting rod 218 and the adjusting plate 212, and a connecting tooth 219 for driving the connecting ring 215 to rotate.
Further, the limiting component 22 for limiting the adjusting component 21 comprises a limiting gear 221 meshed with the connecting tooth 219, a rotating shaft 222 for driving the limiting gear 221 to rotate, a ratchet 223 for limiting the limiting gear 221, a rotating rod 224 and an adjusting tooth 225 for driving the ratchet 223 to rotate, a clamping tooth 226 for limiting the ratchet 223, a first limiting shaft 227 for connecting the rotating rod 224 and the adjusting tooth 225, and a second limiting shaft 228 for limiting the clamping tooth 226.
Compare in embodiment 1, it is further, adjusting part 21 carries out spacing collar 211 including what the symmetry set up to adjusting plate 212, be provided with the polylith between the spacing collar 211 that the symmetry set up and carry out the adjusting plate 212 that adjusts according to the tubular metal resonator aperture, polylith adjusting plate 212 constitutes a circle, spacing ring 211 is improved level and has been seted up a plurality of spacing holes 213 that hold first gag lever post 214, equal fixedly connected with carries out spacing first gag lever post 214 to spacing collar 211 and adjusting plate 212 in a plurality of spacing holes 213, first gag lever post 214 level runs through adjusting plate 212 and with adjusting plate 212 coupling.
Further, a connecting ring 215 for adjusting the aperture of the adjusting plate 212 is disposed outside the limiting ring 211, a plurality of first connecting grooves 216 and a plurality of second connecting grooves 217 for accommodating the connecting rods 218 are horizontally disposed on the limiting ring 211 and the connecting ring 215, a plurality of connecting rods 218 for connecting the adjusting plate 212 and the connecting ring 215 are disposed between the limiting ring 211 and the connecting ring 215, and two ends of each connecting rod 218 are disposed in the first connecting groove 216 and the second connecting groove 217.
Further, a second limit rod 2181 for limiting the connection ring 215 and the connection rod 218 and a third limit rod 2182 for limiting the connection rod 218 and the adjustment plate 212 horizontally penetrate through two ends of the connection rod 218 respectively, one end of the second limit rod 2181 is fixedly connected with the connection ring 215, the other end of the second limit rod 2181 is coupled with the connection rod 218, one end of the third limit rod 2182 is fixedly connected with the connection rod 218, and the other end of the third limit rod 2182 is coupled with the adjustment plate 212.
Further, the connecting ring 215 is provided with a plurality of connecting teeth 219 for driving the connecting ring 215 to rotate, the plurality of connecting teeth 219 are uniformly distributed on the connecting ring 215, the number of the adjusting plate 212, the limiting hole 213, the first connecting groove 216, the second connecting groove 217 and the connecting rods 218 is the same, the connecting ring 215 is connected with a connecting block 2151 for bearing the connecting ring 215, and the connecting block 2151 is fixedly connected with the supporting column 17.
Further, the limiting component 22 comprises a limiting gear 221 which is arranged in the accommodating groove 18 and is meshed with the connecting teeth 219, the limiting gear 221 is meshed with the connecting teeth 219, a rotating shaft 222 which drives the limiting gear 221 to rotate is horizontally arranged on the limiting gear 221 in a penetrating manner, the rotating shaft 222 is coupled with the supporting column 17, the rotating shaft 222 is coupled with the limiting gear 221, a ratchet 223 which limits the limiting gear 221 is fixedly connected to the rotating shaft 222, a rotating rod 224 which drives the ratchet 223 to rotate is connected to the rotating shaft 222 through a torsion spring, the ratchet 223 is fixedly connected to the limiting gear 221, an adjusting tooth 225 which drives the ratchet 223 to rotate and a clamping tooth 226 which limits the ratchet 223 are meshed to the ratchet 223, a first limiting shaft 227 which connects the rotating rod 224 and the adjusting tooth 225 and a second limiting shaft 228 which limits the clamping tooth 226 are respectively connected to the rotating rod 224 and the adjusting tooth 225 through torsion springs, the first limit shaft 227 is fixedly connected with the rotating rod 224, and the second limit shaft 228 is fixedly connected with the supporting column 17.
The rest of the structure is the same as that of embodiment 1.
In the use process, dwang 224 is moved clockwise or anticlockwise, thereby dwang 224 drives regulation tooth 225 and carries out the displacement on ratchet 223, make ratchet 223 drive stop gear 221 rotate, thereby make the tooth 219 of being connected with stop gear 221 meshing drive go on rotatoryly with go-between ring 215, and then drive the connecting rod 218 that is located first connecting groove 216 on go-between ring 215 and rotate, thereby the regulation board 212 that the pulling is connected with the connecting rod 218 other end moves outside the spacing ring 211, and then adjust the aperture, carry out the centre gripping to the tubular metal resonator in different apertures.
Example 3
The third embodiment of the invention provides a nondestructive testing method for metal welding seam defects, which comprises the following steps:
s1: firstly, adjusting an adjusting component 21 in the clamping unit 2 according to the aperture of the metal pipe;
s2: by rotating the rotating rod 224 in the limit component 22, the rotating shaft 222 drives the limit gear 221 to rotate;
s3: the limit gear 221 drives the connection ring 215 to rotate, and the adjustment plate 212 moves through the matching of the connection rod 218, so that the aperture is adjusted, and the metal pipe is clamped;
s4: the position of the detector 167 is adjusted by moving the first slide block 14 in the first limit groove 12, and when the detector 167 is positioned below the weld joint, the detector 167 is driven to move in the vertical direction by the lifting assembly 16;
s5: when the probe 167 is raised to the desired position, the metal tube is rotated to inspect the entire weld.
The rest of the structure is the same as that of embodiment 2.
The working principle is as follows: firstly, according to the length of the metal tube to be detected, the second slider 15 located in the second limit groove 13 is moved, when the second slider 15 moves to a specified position, the rotating rod 224 is moved clockwise or counterclockwise, so that the rotating rod 224 drives the adjusting teeth 225 to displace on the ratchet 223, so that the ratchet 223 drives the limit gear 221 to rotate, so that the connecting teeth 219 meshed with the limit gear 221 drive the connecting ring 215 to rotate, and further drive the connecting rod 218 located in the first connecting groove 216 on the connecting ring 215 to rotate, and further drive the adjusting plate 212 connected with the other end of the connecting rod 218 to move outwards from the limit ring 211, so that the aperture is adjusted, and the metal tubes with different apertures are clamped.
Further, when the clamping at the two ends of the metal pipe is completed, the first sliding block 14 located in the first limiting groove 12 is moved, the detector 167 is moved to the position under the weld joint, the air pump 166 in the lifting assembly 16 is started, the air pump 166 injects air into the inner space of the supporting rod 162 along the air hose 165, and the two ends of the connecting hole 164 are respectively communicated with the inner space of the supporting rod 162 and the inner space of the sleeve 161, so that the air in the inner space of the supporting rod 162 enters the inner space of the sleeve 161 through the connecting hole 164, the supporting rod 162 is ejected out of the sleeve 161, the supporting rod 162 drives the detector 167 to move to a proper height, and the weld joint is detected.
Further, when detecting the metal pipes with different apertures at the two ends, the clamping units 2 at the two sides are independently adjusted to clamp the metal pipes with different apertures at the two ends.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (10)
1. The utility model provides a nondestructive test equipment of metal welding seam defect, includes load-bearing unit (1) and clamping unit (2), load-bearing unit (1) is seted up including bottom plate (11) and level first spacing groove (12) and symmetry level on bottom plate (11) are seted up second spacing groove (13) on bottom plate (11), first spacing groove (12) are located the symmetry level and are seted up between second spacing groove (13) on bottom plate (11), its characterized in that, clamping unit (2) including set up in adjusting part (21) at bottom plate (11) top, set up in adjusting part (21) one side spacing subassembly (22).
2. The nondestructive testing device for the metal welding seam defect according to claim 1, wherein a first sliding block (14) is embedded in the first limiting groove (12), a second sliding block (15) is symmetrically embedded in the second limiting groove (13), a lifting assembly (16) is arranged on the first sliding block (14), a supporting column (17) is fixedly connected to the top of the second sliding block (15), and an accommodating groove (18) is horizontally formed in the supporting column (17).
3. The nondestructive testing device for metal welding seam defects according to claim 2, wherein the lifting assembly (16) comprises a sleeve (161), a support rod (162) is arranged in the sleeve (161), the sleeve (161) and the support rod (162) are both hollow, a vent hole (163) is horizontally formed in the support rod (162), and a connecting hole (164) is formed in the bottom of the support rod (162).
4. The nondestructive testing device for the metal welding seam defect of claim 3, wherein two ends of the connecting hole (164) are respectively communicated with the inner space of the support rod (162) and the inner space of the sleeve (161), an air hose (165) is fixedly connected in the vent hole (163), one end of the air hose (165) is provided with an air pump (166), the output end of the air pump (166) is fixedly connected with the air hose (165), the air pump (166) is fixedly connected with the bottom plate (11), and the top of the support rod (162) is fixedly connected with the detector (167).
5. The nondestructive testing device for the metal welding seam defects according to any one of claims 2, 3 and 4, wherein the adjusting component (21) comprises symmetrically arranged limiting rings (211), a plurality of adjusting plates (212) are arranged between the symmetrically arranged limiting rings (211), the adjusting plates (212) form a circle, a plurality of limiting holes (213) are horizontally formed in the limiting rings (211), a plurality of first limiting rods (214) are fixedly connected in the limiting holes (213), and the first limiting rods (214) horizontally penetrate through the adjusting plates (212) and are in shaft joint with the adjusting plates (212).
6. The nondestructive testing device for the metal welding seam defect of claim 5, wherein a connecting ring (215) is arranged outside the limiting ring (211), a plurality of first connecting grooves (216) and second connecting grooves (217) are respectively horizontally formed on the limiting ring (211) and the connecting ring (215), a plurality of connecting rods (218) are arranged between the limiting ring (211) and the connecting ring (215), and two ends of each connecting rod (218) are respectively located in the first connecting groove (216) and the second connecting groove (217).
7. The nondestructive testing equipment for metal welding seam defects according to claim 6, wherein a second limiting rod (2181) and a third limiting rod (2182) horizontally penetrate through two ends of the connecting rod (218), one end of the second limiting rod (2181) is fixedly connected with the connecting ring (215), the other end of the second limiting rod (2181) is in shaft connection with the connecting rod (218), one end of the third limiting rod (2182) is fixedly connected with the connecting rod (218), and the other end of the third limiting rod (2182) is in shaft connection with the adjusting plate (212).
8. The nondestructive testing device for the metal welding seam defect of claim 7, wherein a plurality of connecting teeth (219) are arranged on the connecting ring (215), the connecting teeth (219) are uniformly distributed on the connecting ring (215), the number of the adjusting plate (212), the limiting hole (213), the number of the first connecting groove (216), the number of the second connecting groove (217) and the number of the connecting rods (218) are the same, a connecting block (2151) is coupled on the connecting ring (215), and the connecting block (2151) is fixedly connected with the supporting column (17).
9. The nondestructive testing device for the metal welding seam defect of claim 8, wherein the limiting assembly (22) comprises a limiting gear (221) arranged in the accommodating groove (18), the limiting gear (221) is meshed with a connecting tooth (219), a rotating shaft (222) horizontally penetrates through the limiting gear (221), the rotating shaft (222) is coupled with the supporting column (17), the rotating shaft (222) is coupled with the limiting gear (221), a ratchet wheel (223) is fixedly connected to the rotating shaft (222), a rotating rod (224) is connected to the rotating shaft (222) through a torsion spring, the ratchet wheel (223) is fixedly connected to the limiting gear (221), an adjusting tooth (225) and a clamping tooth (226) are meshed to the ratchet wheel (223), and a first limiting shaft (227) and a second limiting shaft (228) are respectively connected to the adjusting tooth (225) and the clamping tooth (226) through torsion springs, first spacing axle (227) and dwang (224) fixed connection, spacing axle (228) of second and support column (17) fixed connection.
10. A method for non-destructive inspection of a metal weld defect using the apparatus for non-destructive inspection of a metal weld defect of claim 9,
s1: firstly, adjusting an adjusting component (21) in a clamping unit (2) according to the aperture of the metal pipe;
s2: the rotating shaft (222) drives the limit gear (221) to rotate by rotating the rotating rod (224) in the limit component (22);
s3: the limiting gear (221) drives the connecting ring (215) to rotate, and the adjusting plate (212) moves through the matching of the connecting rod (218), so that the aperture is adjusted, and the metal pipe is clamped;
s4: the position of the detector (167) is adjusted by moving the first sliding block (14) in the first limiting groove (12), and when the detector (167) is positioned below the welding seam, the detector (167) is driven to move in the vertical direction by the lifting assembly (16);
s5: when the probe (167) is raised to a specified position, the metal tube is rotated to inspect the entire weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210225969.3A CN114609360A (en) | 2022-03-07 | 2022-03-07 | Nondestructive testing equipment and method for metal weld defects |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210225969.3A CN114609360A (en) | 2022-03-07 | 2022-03-07 | Nondestructive testing equipment and method for metal weld defects |
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| CN114609360A true CN114609360A (en) | 2022-06-10 |
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| CN202210225969.3A Pending CN114609360A (en) | 2022-03-07 | 2022-03-07 | Nondestructive testing equipment and method for metal weld defects |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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