CN215263283U - Ultrasonic flaw detection device for steel pipe weld joint - Google Patents
Ultrasonic flaw detection device for steel pipe weld joint Download PDFInfo
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- CN215263283U CN215263283U CN202121509454.3U CN202121509454U CN215263283U CN 215263283 U CN215263283 U CN 215263283U CN 202121509454 U CN202121509454 U CN 202121509454U CN 215263283 U CN215263283 U CN 215263283U
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- 238000001514 detection method Methods 0.000 title claims abstract description 76
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000007689 inspection Methods 0.000 claims abstract description 7
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Abstract
The application relates to the field of weld joint detection equipment, in particular to an ultrasonic flaw detection device for a weld joint of a steel pipe, which comprises a flaw detection conveying mechanism and an ultrasonic flaw detection mechanism, wherein the flaw detection conveying mechanism is arranged along the axial direction of the steel pipe to be detected; the flaw detection conveying mechanism comprises a conveying roller frame arranged along the axial direction of the steel pipe to be detected, a plurality of conveying rollers arranged on the conveying roller frame and a driving motor for driving the conveying rollers to rotate, wherein the plurality of conveying rollers are arranged along the length direction of the conveying roller frame, and the driving motor is fixedly arranged on the conveying roller frame; the ultrasonic flaw detection mechanism comprises a jacking frame, a jacking plate arranged on the jacking frame in a sliding mode, two supporting rollers arranged on the jacking plate in a rotating mode, a lifting frame arranged above the jacking plate, and an ultrasonic flaw detector arranged on the lifting frame, wherein the jacking plate moves in the vertical direction, the two supporting rollers are arranged in the axial direction of the steel pipe to be detected, and a gap is reserved between the two supporting rollers. This application has the effect that conveniently carries out ultrasonic inspection to steel pipe welding seam joint.
Description
Technical Field
The application relates to the field of weld joint detection equipment, in particular to an ultrasonic flaw detection device for a weld joint of a steel pipe.
Background
Ultrasonic flaw detection is a method for detecting the flaw of a part by using the characteristic that ultrasonic energy penetrates into the depth of a metal material and is reflected at the edge of an interface when the ultrasonic energy enters another section from the section.
When the steel pipe is used, multiple sections of steel pipes are welded frequently due to use requirements, ultrasonic flaw detection is required to be carried out on a welding joint after the steel pipes are welded, at present, the ultrasonic flaw detection on the welding joint of the steel pipe is mainly carried out manually, an ultrasonic detector is required to be held by hands to carry out flaw detection on the welding joint of the steel pipe, and the operation is inconvenient.
In view of the related art as described above, the inventors considered that it is inconvenient to perform ultrasonic flaw detection on a steel pipe weld joint.
SUMMERY OF THE UTILITY MODEL
In order to carry out ultrasonic flaw detection on the steel pipe weld joint conveniently, the application provides a steel pipe weld joint ultrasonic flaw detection device.
The application provides a steel pipe welding seam connects ultrasonic inspection device adopts following technical scheme:
an ultrasonic flaw detection device for a steel pipe weld joint comprises a flaw detection conveying mechanism arranged along the axial direction of a steel pipe to be detected and an ultrasonic flaw detection mechanism arranged at one end of the flaw detection conveying mechanism; the flaw detection conveying mechanism comprises a conveying roller frame arranged along the axial direction of a steel pipe to be detected, a plurality of conveying rollers arranged on the conveying roller frame and a driving motor for driving the conveying rollers to rotate, wherein the plurality of conveying rollers are arranged along the length direction of the conveying roller frame, and the driving motors are fixedly arranged on the conveying roller frame; the ultrasonic flaw detection mechanism comprises a jacking frame, a jacking plate, two supporting rollers, a lifting frame and an ultrasonic flaw detector, wherein the jacking plate is arranged on the jacking frame in a sliding mode, the two supporting rollers are arranged on the jacking plate in a rotating mode, the lifting frame is arranged above the jacking plate, the ultrasonic flaw detector is arranged on the lifting frame, the jacking plate moves in the vertical direction, the two supporting rollers are arranged along the axial direction of a steel pipe to be detected, and a gap is reserved between the supporting rollers.
Through adopting above-mentioned technical scheme, place the steel pipe after the welding on the conveying roller, driving motor work drives the conveying roller and rotates and carry the steel pipe to ultrasonic inspection mechanism, and when the weld joint of steel pipe was in under the ultrasonic flaw detector, the jacking board upwards slided and makes backing roll and steel pipe contact, drives the steel pipe rotation when the backing roll rotated, and ultrasonic flaw detector carries out ultrasonic inspection to the weld joint of rotation in-process to the convenience is connected and is carried out ultrasonic inspection to the steel pipe weld joint.
Optionally, the conveying rollers are arranged in two groups along the length direction of the conveying roller frame, and the two groups of conveying rollers are arranged in a V shape.
Through adopting above-mentioned technical scheme, two sets of conveying rollers that are the V font can carry on spacingly to the steel pipe when carrying the steel pipe, reduces the steel pipe and produces the rolling possibility at the in-process of carrying.
Optionally, a jacking cylinder is fixedly arranged on the jacking frame, a piston rod of the jacking cylinder moves in the vertical direction, and the jacking plate is fixedly connected with the piston rod of the jacking cylinder.
Through adopting above-mentioned technical scheme, jacking cylinder during operation promotes the jacking board and moves upward, contradicts until backing roll and steel pipe, drives the steel pipe and rotates when making things convenient for the backing roll to rotate.
Optionally, a turning motor is fixedly arranged on the jacking plate, a driving gear is arranged on a motor shaft of the turning motor, a driven gear is arranged at one end of one of the supporting rollers, and the driving gear is meshed with the driven gear.
By adopting the technical scheme, the turnover motor drives the supporting roll to rotate through gear transmission during working, so that the steel pipe rotates around the axis of the steel pipe, and ultrasonic flaw detection is conveniently carried out on the rotating weld joint.
Optionally, the lifting frame comprises a top plate arranged above the lifting plate and two guide rods arranged at two ends of the length direction of the top plate, the top plate is arranged along the width direction of the conveying roller frame, a lifting cylinder is fixedly arranged on the top plate, a piston rod of the lifting cylinder penetrates through the top plate, a piston rod of the lifting cylinder moves along the vertical direction, and the ultrasonic flaw detector is connected with the piston rod of the lifting cylinder.
By adopting the technical scheme, the lifting cylinder is utilized to drive the ultrasonic flaw detector to move up and down, the distance between the ultrasonic flaw detector and the steel pipe is convenient to adjust, and the ultrasonic flaw detector is suitable for flaw detection of steel pipe welding seams with different diameters.
Optionally, the fixed connection mounting panel on the piston rod of lift cylinder, the mounting panel level sets up, the mounting panel sets up along roof length direction, the guide bar runs through the mounting panel, guide bar and mounting panel sliding fit, the ultrasonic flaw detector sets up the one side that is close to the jacking frame at the mounting panel.
Through adopting above-mentioned technical scheme, set up the ultrasonic flaw detector on the mounting panel, make the installation of ultrasonic flaw detector more firm, reciprocate the in-process at the mounting panel simultaneously and utilize the guide bar to lead the mounting panel.
Optionally, a marking rod is arranged on the jacking frame, the marking rod is vertically arranged, and the marking rod and a plane where a probe of the ultrasonic flaw detector is located are perpendicular to the axis of the steel pipe to be subjected to flaw detection.
By adopting the technical scheme, when the flaw detection conveying mechanism conveys the steel pipe, reference is provided for the stop position of the weld joint of the steel pipe, and the possibility that the position of the weld joint does not correspond to the position of the probe of the ultrasonic flaw detector is reduced.
Optionally, one side that ultrasonic inspection mechanism kept away from conveying mechanism of detecting a flaw is equipped with the output mechanism of detecting a flaw, the output mechanism of detecting a flaw includes along the output roller frame that conveying roller frame length direction set up, sets up delivery roll, the drive delivery roll pivoted output motor on the output roller frame, the delivery roll level sets up, the delivery roll is equipped with a plurality ofly along output roller frame length direction, the output motor is fixed to be set up on the output roller frame.
Through adopting above-mentioned technical scheme, keep away from the one end of detecting a flaw conveying mechanism to the steel pipe and support, make the steel pipe place more steadily, export motor work after detecting a flaw to steel pipe welding seam joint simultaneously, continue to carry the steel pipe to next station.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the flaw detection conveying mechanism and the ultrasonic flaw detection mechanism, the flaw detection conveying mechanism conveys the welded steel pipe, so that the position of the weld joint is positioned on the ultrasonic flaw detection mechanism, and the ultrasonic flaw detection mechanism is utilized to carry out ultrasonic flaw detection on the weld joint, thereby achieving the effect of conveniently carrying out ultrasonic flaw detection on the weld joint of the steel pipe;
2. through setting up the mark pole, when carrying the steel pipe, conveniently confirm the stop position of steel pipe welding seam joint, reach the effect that promotes steel pipe welding seam joint precision of detecting a flaw.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an ultrasonic testing mechanism embodied in an embodiment of the present application.
Fig. 3 is an enlarged view of a in fig. 2.
Description of reference numerals: 1. a flaw detection conveying mechanism; 11. a conveying roller frame; 12. a conveying roller; 13. a drive motor; 14. a conveying chain; 2. an ultrasonic flaw detection mechanism; 21. a jacking frame; 211. jacking a cylinder; 212. a marker post; 22. a jacking plate; 221. turning over a motor; 222. a driving gear; 23. a support roller; 231. a driven gear; 24. a lifting frame; 241. a top plate; 242. a guide bar; 243. a lifting cylinder; 244. mounting a plate; 25. an ultrasonic flaw detector; 3. a flaw detection output mechanism; 31. an output roller frame; 32. an output roller; 33. an output motor; 34. and outputting the chain.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a steel pipe weld joint ultrasonic flaw detection device. Referring to fig. 1, the ultrasonic flaw detection device for the steel pipe weld joint comprises a flaw detection conveying mechanism 1 and an ultrasonic flaw detection mechanism 2, wherein the flaw detection conveying mechanism 1 is arranged along the axis direction of a steel pipe to be detected, and the ultrasonic flaw detection mechanism 2 is arranged at one end of the flaw detection conveying mechanism 1 in the length direction.
Referring to fig. 1, conveying mechanism 1 of detecting a flaw includes conveying roller frame 11, conveying roller 12, driving motor 13, and the length direction of conveying roller frame 11 is unanimous with the axis direction along the steel pipe of waiting to detect a flaw, and conveying roller 12 rotates on conveying roller frame 11 and is equipped with two sets ofly, and two sets of conveying roller 12 all set up along the length direction of conveying roller frame 11, and two sets of conveying roller 12 are the setting of V font, through chain drive between two adjacent conveying roller 12. The driving motor 13 is fixedly connected with the conveying roller frame 11, and the driving motor 13 drives the conveying rollers 12 to rotate through the conveying chain 14.
Referring to fig. 1 and 2, the ultrasonic flaw detection mechanism 2 includes a jacking frame 21, a jacking plate 22, a supporting roller 23, a lifting frame 24, and an ultrasonic flaw detector 25, wherein the jacking frame 21 is arranged at one end of the conveying roller frame 11 in the length direction. The jacking plate 22 is horizontally arranged on the jacking frame 21 and moves along the vertical direction, the supporting rollers 23 are rotatably arranged on the jacking plate 22, the axial direction of the supporting rollers 23 is consistent with the length direction of the conveying roller frame 11, and two supporting rollers 23 are symmetrically arranged on the center of the conveying roller frame 11 in the width direction. The lifting frame 24 is fixedly arranged above the jacking plate 22, and the ultrasonic flaw detector 25 is connected with the lifting frame 24 in a sliding manner.
Referring to fig. 1, the welded steel pipe is conveyed by the flaw detection conveying mechanism 1 so that the welded joint of the steel pipe reaches the ultrasonic flaw detection mechanism 2, and the welded joint is subjected to ultrasonic flaw detection by the ultrasonic flaw detection mechanism 2.
Referring to fig. 2, fixed jacking cylinder 211 that is equipped with on jacking frame 21, jacking board 22 and jacking cylinder 211's piston rod fixed connection, jacking board 22 sets up along 11 length direction of transfer roll frame, and jacking board 22 length direction's both sides and the contact of jacking frame 21, and jacking cylinder 211's piston rod moves along vertical direction, conveniently utilizes jacking cylinder 211 to promote jacking board 22 to move up and make two backing rolls 23 contradict with the steel pipe.
Referring to fig. 2 and 3, a reverse motor 221 is provided on the upper surface of the lifting plate 22, the reverse motor 221 is fixedly connected to the lifting plate 22, a driving gear 222 is fixedly provided on a motor shaft of the reverse motor 221, and a driven gear 231 engaged with the driving gear 222 is provided at one end in the axial direction of one of the support rollers 23. When the two supporting rollers 23 collide with the steel pipe, the overturning motor 221 is used for driving the supporting rollers 23 to rotate, so that the steel pipe is driven to overturn, and ultrasonic flaw detection is carried out on a welding seam joint.
Referring to fig. 2, the crane 24 includes a ceiling plate 241 and a guide bar 242, the ceiling plate 241 is horizontally disposed above the lifting plate 22, and the length direction of the ceiling plate 241 coincides with the width direction of the transportation roller frame 11. The two guide rods 242 are arranged along the vertical direction, the two guide rods 242 are located at two ends of the length direction of the top plate 241, one end of the length direction of the guide rods 242 is fixedly connected with the jacking frame 21, and the other end of the length direction of the guide rods 242 is fixedly connected with the top plate 241.
Referring to fig. 2, a lifting cylinder 243 is fixedly disposed at the center of the top plate 241 in the length direction, a piston rod of the lifting cylinder 243 penetrates the top plate 241, and the piston rod of the lifting cylinder 243 moves in the vertical direction. A mounting plate 244 is fixedly connected to the piston rod of the elevating cylinder 243, the mounting plate 244 is disposed parallel to the top plate 241, the guide rod 242 penetrates the mounting plate 244, and the mounting plate 244 is slidably engaged with the guide rod 242.
Referring to fig. 2, the ultrasonic flaw detector 25 is fixedly connected to the mounting plate 244, the ultrasonic flaw detector 25 is located on one side of the mounting plate 244 close to the jacking frame 21, the length direction of the mounting plate 244 is identical to the length direction of the top plate 241, and the probe of the ultrasonic flaw detector 25 is located at the center of the mounting plate 244 in the length direction. The ultrasonic flaw detector 25 is driven to move up and down through the work of the lifting air cylinder 243, and ultrasonic flaw detection is conveniently carried out on the weld joint of the steel pipe.
Referring to fig. 1 and 2, in order to reduce the possibility that the position of the weld joint of the steel pipe does not correspond to the position of the probe of the ultrasonic flaw detector 25, the marking rod 212 is vertically arranged on the jacking frame 21, the marking rod 212 is positioned on one side of the jacking frame 21 where the guide rod 242 is arranged, the marking rod 212 and the probe of the ultrasonic flaw detector 25 are positioned in the same vertical plane, the vertical plane is perpendicular to the axis of the steel pipe to be detected, one end of the marking rod 212, which is close to the jacking frame 21, is fixedly connected with the jacking frame 21, and when the position of the weld joint of the steel pipe is closest to the position of the marking rod 212 during the conveying of the steel pipe, the flaw detection conveying mechanism 1 stops conveying the steel pipe.
Referring to fig. 1, a flaw detection output mechanism 3 is arranged on one side of an ultrasonic flaw detection mechanism 2, which is far away from a flaw detection conveying mechanism 1, the flaw detection output mechanism 3 comprises an output roller frame 31, output rollers 32 and an output motor 33, the length direction of the output roller frame 31 is consistent with the length direction of the conveying roller frame 11, the output rollers 32 are horizontally arranged, two ends of the output rollers 32 in the axial direction are rotatably connected with the output roller frame 31, a plurality of the output rollers 32 are arranged along the length direction of the output roller frame 31, and two adjacent output rollers 32 are in chain transmission. The output motor 33 is fixedly arranged on the output roller frame 31, and the output motor 33 drives the output roller 32 to rotate through the output chain 34.
The implementation principle of the ultrasonic flaw detection device for the steel pipe weld joint in the embodiment of the application is as follows: and (3) placing the welded steel pipe on the conveying roller frame 11, driving the conveying roller 12 to rotate by the working of the driving motor 13, conveying the steel pipe, observing the position of a welding joint in the conveying process, and stopping the driving motor 13 when the position of the welding joint corresponds to the position of the marking rod 212. At the moment, the jacking cylinder 211 works to push the jacking plate 22 to move upwards, so that the two supporting rolls 23 are abutted against the steel pipe, meanwhile, the lifting cylinder 243 works to drive the mounting plate 244 to move downwards, so that the probe of the ultrasonic flaw detector 25 is close to the weld joint, and then the overturning motor 221 is controlled to work to drive the supporting rolls 23 to rotate, so that the steel pipe is driven to overturn, and ultrasonic flaw detection is carried out on the weld joint.
After the flaw detection of the steel pipe welding seam joint is completed, the overturning motor 221 stops working, the jacking cylinder 211 works to drive the jacking plate 22 to move downwards, the mounting plate 244 of the lifting cylinder 243 moves upwards, and the output motor 33 drives the output roller 32 to rotate to transmit the steel pipe to the next station.
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 (8)
1. The utility model provides a steel pipe welding seam connects ultrasonic inspection device which characterized in that: the flaw detection device comprises a flaw detection conveying mechanism (1) arranged along the axial direction of a steel pipe to be detected and an ultrasonic flaw detection mechanism (2) arranged at one end of the flaw detection conveying mechanism (1);
the flaw detection conveying mechanism (1) comprises a conveying roller frame (11) arranged along the axial direction of a steel pipe to be detected, conveying rollers (12) arranged on the conveying roller frame (11), and a driving motor (13) for driving the conveying rollers (12) to rotate, wherein a plurality of conveying rollers (12) are arranged along the length direction of the conveying roller frame (11), and the driving motors (13) are fixedly arranged on the conveying roller frame (11);
ultrasonic flaw detection mechanism (2) include jacking frame (21), slide jacking board (22) that sets up on jacking frame (21), rotate two backing rolls (23) that set up on jacking board (22), set up crane (24) in jacking board (22) top, set up ultrasonic flaw detector (25) on crane (24), jacking board (22) are along vertical direction motion, two backing roll (23) are all along waiting to detect a flaw steel pipe axis direction setting, two leave the clearance between backing roll (23).
2. The ultrasonic flaw detection device for the weld joint of the steel pipe according to claim 1, characterized in that: the conveying rollers (12) are arranged in two groups along the length direction of the conveying roller frame (11), and the conveying rollers (12) are arranged in a V shape.
3. The ultrasonic flaw detection device for the weld joint of the steel pipe according to claim 1, characterized in that: jacking cylinder (211) is fixedly arranged on jacking frame (21), the piston rod of jacking cylinder (211) moves along the vertical direction, and jacking plate (22) is fixedly connected with the piston rod of jacking cylinder (211).
4. The ultrasonic flaw detection device for the weld joint of the steel pipe according to claim 3, characterized in that: the lifting device is characterized in that a turnover motor (221) is fixedly arranged on the lifting plate (22), a driving gear (222) is arranged on a motor shaft of the turnover motor (221), a driven gear (231) is arranged at one end of one of the supporting rollers (23), and the driving gear (222) is meshed with the driven gear (231).
5. The ultrasonic flaw detection device for the weld joint of the steel pipe according to claim 1, characterized in that: the lifting frame (24) comprises a top plate (241) arranged above the lifting plate (22) and two guide rods (242) arranged at two ends of the length direction of the top plate (241), the top plate (241) is arranged along the width direction of the conveying roller frame (11), a lifting cylinder (243) is fixedly arranged on the top plate (241), a piston rod of the lifting cylinder (243) penetrates through the top plate (241), a piston rod of the lifting cylinder (243) moves along the vertical direction, and the ultrasonic flaw detector (25) is connected with the piston rod of the lifting cylinder (243).
6. The ultrasonic flaw detection device for the weld joint of the steel pipe according to claim 5, characterized in that: fixed connection mounting panel (244) on the piston rod of lift cylinder (243), mounting panel (244) level sets up, mounting panel (244) set up along roof (241) length direction, guide bar (242) run through mounting panel (244), guide bar (242) and mounting panel (244) sliding fit, ultrasonic flaw detector (25) set up the one side that is close to jacking frame (21) in mounting panel (244).
7. The ultrasonic flaw detection device for the weld joint of the steel pipe according to claim 1, characterized in that: the steel pipe flaw detection device is characterized in that a marking rod (212) is arranged on the jacking frame (21), the marking rod (212) is vertically arranged, and the plane where the marking rod (212) and a probe of the ultrasonic flaw detector (25) are located is perpendicular to the axis of a steel pipe to be subjected to flaw detection.
8. The ultrasonic flaw detection device for the weld joint of the steel pipe according to claim 1, characterized in that: one side that conveying mechanism (1) was kept away from in ultrasonic flaw detection mechanism (2) is equipped with output mechanism (3) of detecting a flaw, output mechanism (3) of detecting a flaw include along output roller frame (31) that conveying roller frame (11) length direction set up, set up output roller (32) on output roller frame (31), drive output roller (32) pivoted output motor (33), output roller (32) level sets up, output roller (32) are equipped with a plurality ofly along output roller frame (31) length direction, output motor (33) are fixed to be set up on output roller frame (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121509454.3U CN215263283U (en) | 2021-07-03 | 2021-07-03 | Ultrasonic flaw detection device for steel pipe weld joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121509454.3U CN215263283U (en) | 2021-07-03 | 2021-07-03 | Ultrasonic flaw detection device for steel pipe weld joint |
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| CN215263283U true CN215263283U (en) | 2021-12-21 |
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| CN202121509454.3U Expired - Fee Related CN215263283U (en) | 2021-07-03 | 2021-07-03 | Ultrasonic flaw detection device for steel pipe weld joint |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636757A (en) * | 2022-04-21 | 2022-06-17 | 无锡三海科技有限公司 | Hollow pipe welding seam detection system and detection method thereof |
| CN115649820A (en) * | 2022-12-27 | 2023-01-31 | 河北汇中管道装备有限公司 | Conveying device for steel pipe flaw detection and steel pipe flaw detection method |
| CN115790424A (en) * | 2022-10-17 | 2023-03-14 | 福建宝丰管桩有限公司 | Quick detection device of prestressing force tubular pile mould inner wall deformation point position |
| CN116106417A (en) * | 2023-04-07 | 2023-05-12 | 沙河市津海特钢有限公司 | A equipment for gas cylinder ultrasonic flaw detection |
| CN116605629A (en) * | 2023-07-03 | 2023-08-18 | 大连富地重工机械制造有限公司 | A kind of feeding and turning power roller |
| CN119335050A (en) * | 2024-12-19 | 2025-01-21 | 天津市中驰实业有限公司 | Steel pipe weld detection device |
| CN119738475A (en) * | 2024-12-25 | 2025-04-01 | 常熟华新特殊钢有限公司 | Ultrasonic surface defect detection equipment |
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2021
- 2021-07-03 CN CN202121509454.3U patent/CN215263283U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636757A (en) * | 2022-04-21 | 2022-06-17 | 无锡三海科技有限公司 | Hollow pipe welding seam detection system and detection method thereof |
| CN115790424A (en) * | 2022-10-17 | 2023-03-14 | 福建宝丰管桩有限公司 | Quick detection device of prestressing force tubular pile mould inner wall deformation point position |
| CN115649820A (en) * | 2022-12-27 | 2023-01-31 | 河北汇中管道装备有限公司 | Conveying device for steel pipe flaw detection and steel pipe flaw detection method |
| CN116106417A (en) * | 2023-04-07 | 2023-05-12 | 沙河市津海特钢有限公司 | A equipment for gas cylinder ultrasonic flaw detection |
| CN116106417B (en) * | 2023-04-07 | 2023-07-14 | 沙河市津海特钢有限公司 | A equipment for gas cylinder ultrasonic flaw detection |
| CN116605629A (en) * | 2023-07-03 | 2023-08-18 | 大连富地重工机械制造有限公司 | A kind of feeding and turning power roller |
| CN119335050A (en) * | 2024-12-19 | 2025-01-21 | 天津市中驰实业有限公司 | Steel pipe weld detection device |
| CN119335050B (en) * | 2024-12-19 | 2025-03-14 | 天津市中驰实业有限公司 | Steel pipe welding seam detection device |
| CN119738475A (en) * | 2024-12-25 | 2025-04-01 | 常熟华新特殊钢有限公司 | Ultrasonic surface defect detection equipment |
| CN119738475B (en) * | 2024-12-25 | 2025-08-01 | 常熟华新特殊钢有限公司 | Ultrasonic surface defect detection equipment |
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