Buried pipeline welding seam detection device
By combining a support plate, a support frame, and an ultrasonic probe, the problem of low efficiency in external inspection of buried pipeline welds is solved, achieving efficient and accurate weld inspection results and adapting to the inspection needs of welded pipes of different sizes.
Patent Information
- Application Number
- CN202423247733.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing external inspection methods for buried pipeline welds are inefficient and difficult to accurately detect defects, while traditional manual visual inspection is inefficient and ineffective.
The device employs a combination of a support plate, a support frame, and an ultrasonic probe. The welded pipe is clamped by a clamping assembly and rotated. The ultrasonic probe moves along a groove under the drive of a threaded rod, emitting ultrasonic waves and receiving reflected wave signals to detect weld defects.
It achieves efficient and accurate weld inspection, improves inspection efficiency, and can accurately identify weld defects, adapting to the inspection needs of welded pipes of different sizes.
Smart Images
Figure CN223770139U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a weld joint detection device for a buried pipeline. BACKGROUND
[0002] The buried pipeline refers to a pipeline buried in the ground, mainly including water supply pipeline, drainage pipeline, gas pipeline, communication pipeline and the like. The buried pipeline is an important component of modern city construction and development, which plays a role in burying the pipeline in the ground, reducing the occupation of ground space, beautifying the city environment and ensuring the smoothness of city traffic safety.
[0003] As an important infrastructure, the quality of the weld joint of the buried pipeline directly affects the safety and service life of the entire pipeline. The traditional buried pipeline weld joint detection mainly uses flaw detection instruments for internal detection, but it is more difficult to detect defects outside the weld joint. The existing external detection method mostly relies on manual visual inspection, which is low in efficiency and difficult to achieve accurate inspection of the defects of the welded joint. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a buried pipeline weld joint detection device.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A buried pipeline weld joint detection device, comprising a support plate, a support frame and an ultrasonic probe, a placing groove is formed on one side of the support frame, a welded pipe is placed in the placing groove, a clamping assembly for clamping the welded pipe and driving the welded pipe to rotate is arranged on one side of the support plate, a driving motor is fixedly connected to the top of the support plate, a threaded rod is fixed to one end of the output shaft of the driving motor through a shaft coupling, and the threaded rod is rotatably connected to the support frame through a bearing, a sliding block is threadedly connected to the outer side of the threaded rod, the ultrasonic probe is fixedly connected to the bottom of the sliding block, and the ultrasonic probe is located directly above the welded pipe, and a guide assembly for horizontally moving the ultrasonic probe is arranged between the support plate and the support frame.
[0007] As a further scheme of the utility model, the guide assembly comprises a fixed plate, the fixed plate is fixedly connected between the support frame and the support plate, the fixed plate is located directly below the threaded rod, a sliding groove is formed in the upper surface of the fixed plate, and the ultrasonic probe passes through the sliding groove to move along the groove of the sliding groove.
[0008] As a further scheme of the utility model, the clamping assembly comprises a rotating plate, the rotating plate is arranged on one side of the supporting plate, one side of the rotating plate is fixedly connected with a connecting frame, both ends of the connecting frame are fixedly connected with sliding sleeves, the sliding sleeves are slidably connected with inclined plates, one end of the inclined plates is fixedly connected with a fixed rod, one end of the fixed rod is fixedly connected with a V-shaped plate for clamping the butt weld pipe, one side of the rotating plate is provided with a driving assembly for driving the inclined plates to move in the sliding sleeves, the other side of the supporting plate is provided with a power component for driving the rotating plate to rotate.
[0009] As a further scheme of the utility model, the driving assembly comprises an electric telescopic rod, the electric telescopic rod is fixedly connected on one side of the rotating plate, one end of the telescopic part of the electric telescopic rod is fixedly connected with a connecting block through the connecting frame, and the connecting block is located between the two fixed rods, one side of the connecting block is fixedly connected with a connecting shaft, the outer side of the connecting shaft is sleeved with two rotating rings, the outer sides of the two rotating rings are fixedly connected with connecting plates, one side of each of the two inclined plates is rotatably connected with a rotating shaft through a bearing, and the two connecting plates are fixed with the two rotating shafts respectively.
[0010] As a further scheme of the utility model, the power component is a rotating motor, the rotating motor is fixedly connected on one side of the supporting plate, and one end of the output shaft of the rotating motor is fixed with the rotating plate through the supporting plate.
[0011] As a further scheme of the utility model, one end of the inclined plate away from the fixed rod is fixedly connected with a limiting column.
[0012] As a further scheme of the utility model, one side of the V-shaped plate close to the weld pipe is fixedly connected with a rubber pad, and the rubber pad is equal in specification to the V-shaped plate.
[0013] The utility model discloses the beneficial effects are:
[0014] 1. Through the setting of the ultrasonic probe, the weld pipe is placed in the placing groove and clamped by the clamping assembly, then the weld pipe is rotated, the ultrasonic probe is reciprocated along the sliding groove by the forward rotation and reverse rotation of the threaded rod, the ultrasonic probe emits ultrasonic waves in the moving process, the ultrasonic waves enter the weld of the weld pipe through the coupling agent, when the ultrasonic waves meet defects or interfaces in the weld, reflection waves are generated, the reflection waves are received by the probe and converted into electric signals, by analyzing the reflection signals, whether defects exist in the weld can be judged, thereby the weld outside the weld pipe is detected, the efficiency is high, and the defects at the weld of the weld pipe can be accurately detected.
[0015] 2. Through the setting of the V-shaped plate, the weld pipe is clamped and fixed by the V-shaped plate, and different sizes of weld pipes can be clamped and fixed under the action of the V-shaped groove on the V-shaped plate, so that different sizes of weld pipes can be detected, and the use effect of the detection device is improved. Attached Figure Description
[0016] Fig. 1 This is a three-dimensional structural diagram of the front side of a buried pipeline weld inspection device proposed in this utility model.
[0017] Fig. 2 This is a three-dimensional structural diagram of the rear side of a buried pipeline weld inspection device proposed in this utility model.
[0018] Fig. 3 This is an enlarged structural diagram of part A of the underground pipeline weld inspection device proposed in this utility model.
[0019] In the diagram: 1. Drive motor; 2. Support plate; 3. Rotating motor; 4. Placement slot; 5. Support frame; 6. Welded pipe; 7. Threaded rod; 8. Slide groove; 9. Fixing plate; 10. Ultrasonic probe; 11. Slider; 12. Inclined plate; 13. V-shaped plate; 14. Connecting shaft; 15. Connecting plate; 16. Sliding sleeve; 17. Electric telescopic rod; 18. Rotating plate; 19. Connecting frame; 20. Limiting post. Detailed Implementation
[0020] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Therefore, all other embodiments of this application described herein, and all embodiments obtained by those skilled in the art without creative effort based on the embodiments in this application, should fall within the scope of protection of this application.
[0021] Reference Figs. 1-3The utility model discloses a kind of underground pipe weld detection devices, including support plate 2, support frame 5 and ultrasonic probe 10, the model of ultrasonic probe 10 is 1P10N, support frame 5 is set with placing groove 4 on one side, welding pipe 6 is placed in placing groove 4, the clamping assembly that one side of support plate 2 is equipped with carries out clamping and drives welding pipe 6 to rotate welding pipe 6, driving motor 1 is fixed on the top of support plate 2 by bolt, the one end of driving motor 1 output shaft is fixed with threaded rod 7 by coupling, and threaded rod 7 is rotatably connected with support frame 5 by bearing, the outside of threaded rod 7 is connected with sliding block 11 in screw thread, ultrasonic probe 10 is fixed at the bottom of sliding block 11 by bolt, and ultrasonic probe 10 is located directly above welding pipe 6, guiding assembly that support plate 2 and support frame 5 are equipped with make ultrasonic probe 10 move horizontally, welding pipe 6 is placed into placing groove 4 and is clamped by clamping assembly welding pipe 6, then make welding pipe 6 rotate, simultaneously drive driving motor 1 to reverse, driving motor 1 will drive threaded rod 7 to reverse, threaded rod 7 will make sliding block 11 drive ultrasonic probe 10 move reciprocatingly under the action of guiding assembly by the thread engagement between threaded rod 7 and sliding block 11, ultrasonic probe 10 emits ultrasonic wave in the process of moving, ultrasonic wave enters the weld of welding pipe 6 by coupling agent, when ultrasonic wave meets defect or interface inside weld, reflection wave is generated, these reflection waves are received by probe and converted into electric signal, by analyzing these reflection signals, whether defect exists in weld can be judged, so as to detect the weld outside welding pipe 6, high efficiency, and the defect at the weld of welding pipe 6 can be accurately detected.
[0022] In the utility model, guiding assembly includes fixed plate 9, and fixed plate 9 is welded between support frame 5 and support plate 2, and fixed plate 9 is located directly below threaded rod 7, and the upper surface of fixed plate 9 is provided with sliding slot 8, and ultrasonic probe 10 passes through sliding slot 8, so that ultrasonic probe 10 moves along the groove direction of sliding slot 8, and sliding block 11 drives ultrasonic probe 10 to move along the groove direction of sliding slot 8 in the process of moving, so that ultrasonic probe 10 moves horizontally, and the accurate detection of ultrasonic probe 10 to weld is ensured;
[0023] Especially, the clamping assembly comprises a rotating plate 18 arranged on one side of the support plate 2, one side of the rotating plate 18 is fixed with a connecting frame 19 through bolts, both ends of the connecting frame 19 are welded with sliding sleeves 16, the sliding sleeves 16 are slidably connected with the inclined plates 12, one end of the inclined plate 12 is welded with a fixed rod, one end of the fixed rod is welded with a V-shaped plate 13 clamping the welded pipe 6, one side of the rotating plate 18 is provided with a driving assembly driving the inclined plate 12 to move in the sliding sleeve 16, the other side of the support plate 2 is provided with a power component driving the rotating plate 18 to rotate, the driving assembly comprises an electric telescopic rod 17, the electric telescopic rod 17 is fixed on one side of the rotating plate 18 through bolts, one end of the telescopic part of the electric telescopic rod 17 passes through the connecting frame 19 and is fixed with a connecting block through bolts, and the connecting block is located between the two fixed rods, one side of the connecting block is fixed with a connecting shaft 14 through bolts, the outer side of the connecting shaft 14 is sleeved with two rotating rings, the outer side of the two rotating rings is welded with a connecting plate 15, one side of the two inclined plates 12 is rotatably connected with a rotating shaft through a bearing, the two connecting plates 15 are fixed with the two rotating shafts respectively, the power component is a rotating motor 3, the rotating motor 3 is fixed on one side of the support plate 2 through bolts, one end of the output shaft of the rotating motor 3 passes through the support plate 2 and is fixed with the rotating plate 18, when the welded pipe 6 needs to be clamped, the electric telescopic rod 17 is started to elongate, the electric telescopic rod 17 will push the connecting block to move, the connecting block will drive the connecting shaft 14 to move in the process of moving, the connecting shaft 14 will drive the two inclined plates 12 to move in the sliding sleeve 16 through the two connecting plates 15 and the rotating shafts, at the same time, the connecting plate 15 will rotate with the connecting shaft 14, the rotating shaft will rotate with the inclined plate 12, and the two inclined plates 12 will drive the two fixed rods to move towards each other, the two fixed rods will drive the two V-shaped plates 13 to move, so that the V-shaped plate 13 clamps and fixes the welded pipe 6, after clamping, the rotating motor 3 is started, the rotating motor 3 drives the rotating plate 18 to rotate, so that the clamped welded pipe 6 rotates, the end of the inclined plate 12 away from the fixed rod is welded with a limiting column 20, the limiting column 20 can prevent the inclined plate 12 from separating from the sliding sleeve 16, one side of the V-shaped plate 13 close to the welded pipe 6 is bonded with a rubber pad, and the rubber pad is equal in specification to the V-shaped plate 13, the rubber pad can avoid damaging the surface of the welded pipe 6 by the V-shaped plate 13.
[0024] Working principle: when need to use, put the welded pipe 6 into the placing groove 4 and make the welded pipe 6 enter between the two V-shaped plates 13, then start the electric telescopic rod 17 to extend, the electric telescopic rod 17 will push the connecting block to move, the connecting block will drive the connecting shaft 14 to move in the process of moving, the connecting shaft 14 will pull the two inclined plates 12 to move in the sliding sleeve 16 through the two connecting plates 15 and the rotating shaft, the connecting plate 15 will rotate between the connecting shaft 14, the rotating shaft will rotate between the inclined plate 12, and the two inclined plates 12 will drive the two fixed rods to move towards each other, the two fixed rods will drive the two V-shaped plates 13 to move, so that the V-shaped plate 13 clamps and fixes the welded pipe 6, after clamping, start the driving motor 1 to reverse, the driving motor 1 will drive the threaded rod 7 to reverse, the threaded rod 7 will make the sliding block 11 drive the ultrasonic probe 10 to reciprocate along the sliding groove 8 through the threaded engagement between the sliding block 11, at the same time, start the rotating motor 3, the rotating motor 3 drives the rotating plate 18 to rotate, so that the clamped welded pipe 6 rotates, the ultrasonic probe 10 emits ultrasonic waves in the process of moving, the ultrasonic waves enter the weld of the welded pipe 6 through the coupling agent, when the ultrasonic waves meet defects or interfaces in the weld, reflection waves are generated, the reflection waves are received by the probe and converted into electric signals, by analyzing the reflection signals, whether the weld has defects can be judged, so that the weld outside the welded pipe 6 is detected, the efficiency is high, and the defects of the welded pipe 6 weld can be accurately detected.
[0025] The utility model has carried on the explanation through the above embodiment, the skilled in the art can understand that the utility model is not limited to the above embodiment, according to the teaching of the utility model, more kinds of modifications can be made, these modifications all fall within the range of the utility model claimed to protect, the protection scope of the utility model is defined by the attached claim and its equivalent range.
Claims
1. A device for detecting a weld of a buried pipe, comprising a support plate (2), a support frame (5) and an ultrasonic probe (10), characterized in that, One side of the support frame (5) is provided with a placing groove (4), and a welded pipe (6) is placed in the placing groove (4); one side of the support plate (2) is provided with a clamping assembly for clamping the welded pipe (6) and driving the welded pipe (6) to rotate; the top of the support plate (2) is fixedly connected with a driving motor (1); one end of the output shaft of the driving motor (1) is fixedly connected with a threaded rod (7) through a shaft coupling; the threaded rod (7) is rotatably connected with the support frame (5) through a bearing; the outer side of the threaded rod (7) is threadedly connected with a sliding block (11); an ultrasonic probe (10) is fixedly connected to the bottom of the sliding block (11); the ultrasonic probe (10) is located directly above the welded pipe (6); and a guide assembly is arranged between the support plate (2) and the support frame (5) to enable the ultrasonic probe (10) to move horizontally.
2. A buried pipe weld inspection apparatus according to claim 1, wherein, The guide assembly comprises a fixed plate (9) which is fixedly connected between the support frame (5) and the support plate (2); the fixed plate (9) is located directly below the threaded rod (7); and the upper surface of the fixed plate (9) is provided with a sliding groove (8); the ultrasonic probe (10) passes through the sliding groove (8) to enable the ultrasonic probe (10) to move along the groove.
3. A buried pipe weld inspection apparatus according to claim 1, wherein, The clamping assembly comprises a rotating plate (18) which is arranged on one side of the support plate (2); one side of the rotating plate (18) is fixedly connected with a connecting frame (19); both ends of the connecting frame (19) are fixedly connected with sliding sleeves (16); the sliding sleeves (16) are slidably connected with inclined plates (12); one end of each inclined plate (12) is fixedly connected with a fixed rod; one end of each fixed rod is fixedly connected with a V-shaped plate (13) for clamping the welded pipe (6); one side of the rotating plate (18) is provided with a driving assembly for driving the inclined plates (12) to move in the sliding sleeves (16); and the other side of the support plate (2) is provided with a power component for driving the rotating plate (18) to rotate.
4. A buried pipe weld inspection apparatus according to claim 3, wherein, The driving assembly comprises an electric telescopic rod (17) which is fixedly connected to one side of the rotating plate (18); one end of the telescopic part of the electric telescopic rod (17) is fixedly connected with a connecting block through the connecting frame (19); the connecting block is located between the two fixed rods; one side of the connecting block is fixedly connected with a connecting shaft (14); the outer side of the connecting shaft (14) is sleeved with two rotating rings; the outer sides of the two rotating rings are fixedly connected with connecting plates (15); one side of each inclined plate (12) is rotatably connected with a rotating shaft through a bearing; and the two connecting plates (15) are fixedly connected with the two rotating shafts, respectively.
5. A buried pipe weld inspection apparatus according to claim 3, wherein, The power component is a rotating motor (3) which is fixedly connected to one side of the support plate (2); and one end of the output shaft of the rotating motor (3) is fixedly connected with the rotating plate (18) through the support plate (2).
6. A buried pipe weld inspection apparatus according to claim 4, wherein, One end of each inclined plate (12) away from the fixed rod is fixedly connected with a limiting column (20).
7. A buried pipe weld seam detection apparatus according to claim 6, wherein One side of each V-shaped plate (13) close to the welded pipe (6) is fixedly connected with a rubber pad; and the rubber pad is equal in size to the V-shaped plate (13).