Welding seam defect detection auxiliary device

Abstract

The utility model discloses a weld defect detection auxiliary device, comprising: a main body unit, which comprises a welding pipeline, the surface of the welding pipeline is sleeved with a device ring, and the main body unit also comprises an adjusting assembly; the detection unit comprises a power part and a detection part, and the power part is located above the detection part; and the moving unit comprises a control part and a moving part, the moving part is located on the side face of the control part, the power part comprises device blocks fixedly connected to the two sides of the device ring, and a motor A is fixedly arranged on the front face of the device block at the left end. According to the utility model, the control part and the moving part are matched to work, so that the device can quickly move on the surface of a welded pipeline when detecting the defects of the welded pipeline, thereby performing corresponding fixed-point movement according to the positions of different welding seams and quickly and accurately detecting the welding seams, and the whole use range is wider; and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a welding seam detection technical field especially relates to a welding seam defect detection auxiliary device. BACKGROUND

[0002] The welding trace after welding is completed and cooled is called welding seam, in the welding of some pipelines, not only the adjacent pipelines can be welded together, but also the welding seam at the welding position can reach a certain strength, to ensure that the welded pipeline can be normally used, when checking the pipeline welding seam, generally, the professional ultrasonic flaw detector is used to detect the welding seam.

[0003] The prior art comprises a welding pipeline one, the welding pipeline one is provided with a welding pipeline two at one end, the welding pipeline one and the welding pipeline two are fixedly connected by the welding seam, the welding pipeline one is provided with an ultrasonic flaw detector on one side, which can conveniently move the probe head along the welding seam stably, and reduce the inconvenience of detecting the welding seam by hand.

[0004] The prior art still has the following disadvantages: when detecting the defects of the welding seam of the pipeline, due to the different lengths of the pipelines, the welding seam at different positions needs to be adjusted manually, and it is difficult to quickly and accurately move to the welding seam at different positions, so that the overall progress is slow during the rapid defect detection, and the subsequent work is affected. SUMMARY

[0005] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above problems existing in the prior art welding seam defect detection auxiliary device, the utility model is proposed.

[0007] Therefore, the utility model aims to provide a welding seam defect detection auxiliary device, which is suitable for solving the problem that when detecting the defects of the welding seam of the pipeline, due to the different lengths of the pipelines, the welding seam at different positions needs to be adjusted manually, and it is difficult to quickly and accurately move to the welding seam at different positions, so that the overall progress is slow during the rapid defect detection, and the subsequent work is affected.

[0008] To solve the above technical problems, the utility model provides the following technical scheme: a welding seam defect detection auxiliary device, comprising:

[0009] A main unit comprises a welding pipeline, a device ring is provided on the surface of the welding pipeline, and the main unit further comprises an adjusting assembly.

[0010] The detection unit comprises a power part and a detection part, and the power part is located above the detection part.

[0011] The moving unit comprises a control part and a moving part, and the moving part is located on the side of the control part.

[0012] As a preferred scheme of the weld defect detection auxiliary device, the power part comprises device blocks fixedly connected on both sides of the device ring, a motor A is fixedly arranged on the front surface of the device block at the left end, a threaded rod is fixedly connected to the output rod of the motor A and extends to the inside of the device block through the front surface of the device block, another threaded rod is rotatably connected to the inner wall of another device block, a belt pulley is fixedly sleeved on the surface of each threaded rod, and the two belt pulleys are drivingly connected by a belt.

[0013] As a preferred scheme of the weld defect detection auxiliary device, the detection part comprises two moving blocks threadedly sleeved on the surfaces of the two threaded rods, telescopic rods are fixedly arranged on the inner wall of the moving block, a detection head is fixedly arranged on the bottom surface of the output rod of the telescopic rod, and the bottom surface of the detection head is in contact with the side surface of the welded pipeline.

[0014] As a preferred scheme of the weld defect detection auxiliary device, the adjusting assembly comprises a plurality of adjusting screws, the bottom surface of each adjusting screw is rotatably connected to the inner bottom surface of the device ring, an auxiliary frame is threadedly sleeved on the surface of each adjusting screw, and the side surface of the auxiliary frame is slidingly connected to the inner wall of the device ring.

[0015] As a preferred scheme of the weld defect detection auxiliary device, the control part comprises a double-shaft motor fixedly connected to the inner wall of the device ring, driving rods are fixedly arranged on the output rods at both ends of the double-shaft motor, a fixed block is fixedly arranged on the side surface of the auxiliary frame, a driven rod is rotatably connected to the inner wall of the fixed block, a bevel gear is fixedly sleeved on the surface of each of the driving rod and the driven rod, and the two bevel gears are obliquely meshed and connected.

[0016] As a preferred scheme of the weld defect detection auxiliary device, the moving part comprises a connecting frame fixedly sleeved on the surface of the driven rod, and a moving wheel is fixedly arranged on the bottom surface of the connecting frame and slidingly in contact with the side surface of the welded pipeline.

[0017] As a preferred scheme of the weld defect detection auxiliary device, a sensor is fixedly arranged on the inner side surface of the detection head, and the detection head is in the shape of a flat cylinder.

[0018] As a preferred scheme of the welding seam defect detection auxiliary device, the five auxiliary frame bottom surfaces are all micro-arc-shaped, and the auxiliary frame bottom surfaces are all fixedly provided with protective sleeves, and the auxiliary frame bottom surfaces and the welding pipeline side surface are in sliding contact.

[0019] The welding seam defect detection auxiliary device has the advantages that the control part and the moving part are matched to work, so that the welding seam can be quickly moved on the welding pipeline surface during the defect detection of the welding pipeline, corresponding point movement is performed according to the positions of different welding seams, the welding seam is quickly and accurately detected, the use range is wider, and the work efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0021] Figure 1 The present application provides a welding seam defect detection auxiliary device.

[0022] Figure 2 The present application provides a welding seam defect detection auxiliary device.

[0023] Figure 3 The present application provides a welding seam defect detection auxiliary device.

[0024] BRIEF DESCRIPTION OF DRAWINGS: 1, main unit; 101, welding pipeline; 102, device ring; 103, adjusting assembly; 1031, adjusting screw; 1032, auxiliary frame; 2, detection unit; 21, power part; 22, detection part; 201, device block; 202, motor A; 203, threaded rod; 204, belt pulley; 205, moving block; 206, telescopic rod; 207, detection head; 3, moving unit; 31, control part; 32, moving part; 301, double-shaft motor; 302, driving rod; 303, fixed block; 304, driven rod; 305, bevel gear; 306, connecting frame; 307, moving wheel. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail in conjunction with the drawings of the specification.

[0026] In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can be practiced in other ways not described herein, and it is understood that one of ordinary skill in the art can make such modifications without departing from the scope of the present application, therefore, the present application is not limited to the specific embodiments disclosed below.

[0027] Secondly, the "one embodiment" or "embodiment" referred to herein can include specific features, structures or characteristics contained in at least one implementation of the present application. "In one embodiment" appearing in different places in this specification does not refer to the same embodiment, nor is it an embodiment that is independent of or mutually exclusive of other embodiments.

[0028] Thirdly, the present application is described in detail in conjunction with the schematic diagram, and in the detailed description of the embodiments of the present application, the cross-sectional view of the device structure is partially enlarged without general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application herein. In addition, three-dimensional spatial dimensions including length, width and depth should be included in actual manufacture.

[0029] Embodiment 1

[0030] Referring to Figure 1 and Figure 2 , the first embodiment of the present application provides a weld defect detection auxiliary device, which can realize the positioning and moving of the whole weld of the welded pipe 101 and the effect of defect detection, which comprises:

[0031] The main unit 1 comprises a welded pipe 101, the device ring 102 is sleeved on the surface of the welded pipe 101, and the main unit 1 further comprises an adjusting assembly 103;

[0032] The detection unit 2 comprises a power part 21 and a detection part 22, and the power part 21 is located above the detection part 22;

[0033] The moving unit 3 comprises a control part 31 and a moving part 32, and the moving part 32 is located on the side of the control part 31.

[0034] In use, the main unit 1 is sleeved and matched with the adjusting assembly 103 to clamp the device ring 102 on the surface of the appropriate welded pipe 101, the control part 31 drives the moving part 32 to be matched with the surface of the welded pipe 101, and is moved to the weld position, the power part 21 makes the detection part 22 quickly detect the defects of the weld.

[0035] Embodiment 2

[0036] Referring to Figure 2 and Figure 3The second embodiment of the utility model differs from the previous embodiment in that the power part 21 comprises device blocks 201 fixedly connected on both sides of the device ring 102, the front surface of the left end device block 201 is fixedly provided with a motor A 202, the output rod of the motor A 202 penetrates through the front surface of the device block 201 and extends to the inside of the device block 201, and a threaded rod 203 is fixedly connected to the back surface of the output rod, the surface of the other threaded rod 203 is rotatably connected to the inner wall of the other device block 201, a belt pulley 204 is fixedly sleeved on the surface of the two threaded rods 203, and the two belt pulleys 204 are drivingly connected by a belt.

[0037] Further, the detection part 22 comprises two moving blocks 205 threadedly sleeved on the surfaces of the two threaded rods 203, the inner wall of the moving block 205 is fixedly provided with a telescopic rod 206, the bottom surface of the output rod of the telescopic rod 206 is fixedly provided with a detection head 207, the bottom surface of the detection head 207 is in contact with the side surface of the welded pipeline 101, the inner side surface of the detection head 207 is fixedly provided with a sensor, and the shape of the detection head 207 is a flat cylindrical shape.

[0038] Further, the adjusting assembly 103 comprises a plurality of adjusting screws 1031, the bottom surface of the adjusting screw 1031 is rotatably connected to the inside bottom surface of the device ring 102, the surface of the adjusting screw 1031 is threadedly sleeved with an auxiliary frame 1032, the side surface of the auxiliary frame 1032 is slidingly connected to the inner wall of the device ring 102, the bottom surface of the five auxiliary frames 1032 is a micro-arc shape, the bottom surface of the five auxiliary frames 1032 is fixedly provided with a protective sleeve, and the bottom surface of the auxiliary frame 1032 is slidingly in contact with the side surface of the welded pipeline 101.

[0039] In use, according to the welded pipeline 101 of different diameters, the auxiliary frame 1032 is moved in and out by rotating the plurality of adjusting screws 1031 until it is attached to the welded pipeline 101, so that the device ring 102 is stably arranged on the surface of the welded pipeline 101, the detection head 207 is in contact with the weld of the welded pipeline 101 by the characteristics of the telescopic rod 206, the sensor and the elements inside the detection head 207 are matched, the cloud quickly calculates the data of the weld, so as to judge whether there is a defect, the motor A 202 is started, the threaded rod 203 is rotated, the belt pulley 204 is drivingly connected, the moving block 205 drives the telescopic rod 206 to move, and the device ring 102 can be rotated, so that the welded pipeline 101 is detected in all directions.

[0040] Further, the control part 31 comprises a double-shaft motor 301 fixedly connected to the inner wall of the device ring 102, the output rods at both ends of the double-shaft motor 301 are fixedly provided with driving rods 302, the side surface of the auxiliary frame 1032 is fixedly provided with a fixed block 303, the inner wall of the fixed block 303 is rotatably connected with a driven rod 304, the surfaces of the driving rod 302 and the driven rod 304 are fixedly sleeved with bevel gears 305, and the two bevel gears 305 are obliquely meshed and connected.

[0041] Further, the moving part 32 comprises a connecting frame 306 fixedly sleeved on the surface of the driven rod 304, and the bottom surface of the connecting frame 306 is fixedly provided with a moving wheel 307 which is in sliding contact with the side surface of the welded pipe 101.

[0042] In use, when the auxiliary frame 1032 is stabilized on the surface of the welded pipe 101, the double-shaft motor 301 is started to drive the two driving rods 302 to rotate, and through the transmission of the two bevel gears 305, the two driven rods 304 are driven to rotate, thereby driving the connecting frame 306 and the moving wheel 307 to contact the surface of the welded pipe 101, and the moving wheel 307 is moved on the surface of the welded pipe 101 until the full-range welds are detected.

[0043] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. An auxiliary device for detecting weld defects, characterized in that, include: The main body unit (1) includes a welded pipe (101), the surface of which is fitted with a device ring (102), and the main body unit (1) also includes an adjustment component (103); The detection unit (2) includes a power unit (21) and a detection unit (22), wherein the power unit (21) is located above the detection unit (22); The moving unit (3) includes a control unit (31) and a moving unit (32), the moving unit (32) being located on the side of the control unit (31).

2. The auxiliary device for weld defect detection according to claim 1, characterized in that: The power unit (21) includes a device block (201) fixedly connected to both sides of the device ring (102). A motor A (202) is fixedly installed on the front of the device block (201) at the left end. The back of the output rod of the motor A (202) extends through the front of the device block (201) into the interior of the device block (201) and is fixedly connected to a threaded rod (203). The surface of the other threaded rod (203) is rotatably connected to the inner wall of the other device block (201). Both threads (203) are fixedly fitted with pulleys (204), and the two pulleys (204) are connected by belt drive.

3. The auxiliary device for weld defect detection according to claim 2, characterized in that: The detection unit (22) includes two movable blocks (205) threaded onto the surfaces of two threaded rods (203). A telescopic rod (206) is fixedly installed on the inner wall of the movable block (205). A detection head (207) is fixedly installed on the bottom surface of the output rod of the telescopic rod (206). The bottom surface of the detection head (207) contacts the side of the welded pipe (101).

4. The auxiliary device for weld defect detection according to claim 1, characterized in that: The adjustment assembly (103) includes a plurality of adjustment screws (1031), the bottom surface of the adjustment screws (1031) is rotatably connected to the bottom surface inside the device ring (102), and an auxiliary frame (1032) is threadedly fitted on the surface of the adjustment screws (1031), and the side of the auxiliary frame (1032) is slidably connected to the inner wall of the device ring (102).

5. The auxiliary device for weld defect detection according to claim 4, characterized in that: The control unit (31) includes a dual-axis motor (301) fixedly connected to the inner wall of the device ring (102). Both ends of the dual-axis motor (301) are fixedly provided with driving rods (302). The auxiliary frame (1032) is fixedly provided with a fixing block (303) on its side. The inner wall of the fixing block (303) is rotatably connected with a driven rod (304). Both the driving rod (302) and the driven rod (304) are fixedly fitted with bevel gears (305), and the two bevel gears (305) are connected by inclined surfaces.

6. The auxiliary device for weld defect detection according to claim 5, characterized in that: The moving part (32) includes a connecting frame (306) fixedly sleeved on the surface of the driven rod (304), and a moving wheel (307) is fixedly provided on the bottom surface of the connecting frame (306). The side of the moving wheel (307) slides in contact with the side of the welding pipe (101).

7. The auxiliary device for weld defect detection according to claim 3, characterized in that: A sensor is fixedly installed on the inner side of the detection head (207), and the detection head (207) is in the shape of a flat cylinder.

8. The auxiliary device for weld defect detection according to claim 4, characterized in that: The bottom surfaces of the five auxiliary frames (1032) are all slightly rounded, and protective sleeves are fixedly installed on the bottom surfaces of the five auxiliary frames (1032). The bottom surfaces of the auxiliary frames (1032) and the sides of the welded pipe (101) are in sliding contact.

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