Weld joint detection device for single weld joints of square and rectangular pipes

Abstract

The utility model discloses a welding seam detection device for a single welding seam of a square and rectangular tube, which comprises a plurality of movable shells and a plurality of movable rods, two fixed blocks are fixedly connected to the side surfaces of the movable shells, gears are rotatably connected to the inner walls of the fixed blocks, and threaded rods are fixedly connected to the upper surfaces of the gears. The side surfaces of the threaded rods are rotationally connected with the inner walls of the fixing blocks correspondingly, the gears are in meshed connection with fixing rods correspondingly, one ends of the fixing rods are slidably connected with ultrasonic probes correspondingly, the side faces of the movable shells are fixedly connected with electric telescopic rods correspondingly, the output ends of the electric telescopic rods are fixedly connected with motors correspondingly, and the output ends of the motors are fixedly connected with abrasive discs correspondingly. Through cooperation of a gear, a fixing rod and a threaded rod, a worker can conveniently disassemble the ultrasonic probe and maintain and clean the ultrasonic probe, the working time is saved, through cooperation of an electric telescopic rod, a motor and a grinding piece, a welding seam can be automatically cleaned, the accuracy of a detection result is improved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of square tube weld detection, in particular to a weld detection device for a single weld of a square tube. Background Art

[0002] Welded square tubes, also known as welded tubes, are square tubes made by welding steel plates or strips after curling and forming. After the square tubes are welded, their welds need to be inspected to ensure the quality of the welding.

[0003] The existing weld detection device for single welds of square tubes is not convenient to disassemble when the ultrasonic probe needs maintenance or cleaning, which makes it inconvenient for workers to clean or maintain it and cannot automatically clean the weld surface, affecting the detection results. The device of the utility model is easy to disassemble, which makes it convenient for workers to clean or maintain the ultrasonic probe and can automatically clean the weld, saving labor and helping to ensure detection accuracy. Utility Model Content

[0004] The utility model aims to provide a weld detection device for single welds of square tubes, which solves the problem that the ultrasonic probe needs to be maintained or cleaned, is inconvenient to disassemble, is inconvenient for staff to clean or maintain, and cannot automatically clean the weld surface, thus affecting the detection results.

[0005] In order to achieve the above-mentioned purpose, a weld detection device for single weld seams of square tubes is provided, comprising: a plurality of movable shells and a plurality of movable rods, the sides of the plurality of movable shells are fixedly connected to two fixed blocks, the inner walls of the plurality of fixed blocks are all rotatably connected to gears, the upper surfaces of the plurality of gears are all fixedly connected to threaded rods, the side surfaces of the plurality of threaded rods are respectively rotatably connected to the inner walls of the fixed blocks, one end of the plurality of threaded rods extends to the outside of the fixed blocks, the plurality of gears are all meshedly connected to the fixed rods, one end of the plurality of fixed rods are all slidably connected to ultrasonic probes, and the gears, the fixed rods and the threaded rods cooperate with each other, so that the staff can disassemble the ultrasonic probes, maintain and clean them, and save working time;

[0006] Multiple sides of the movable shells are fixedly connected to electric telescopic rods, multiple output ends of the electric telescopic rods are fixedly connected to motors, and multiple output ends of the motors are fixedly connected to grinding discs. By using the electric telescopic rods, motors and grinding discs to cooperate with each other, the welds can be automatically cleaned, which saves labor, is beneficial to improving the accuracy of detection results, and is beneficial to improving work efficiency.

[0007] According to the weld detection device for single weld seams of square tubes, multiple inner walls of the movable shells are fixedly connected to multiple rotating rods, and one end of the multiple rotating rods is rotatably connected to wheels. The wheels and the rotating rods are used to facilitate the detection of welds, thereby improving the convenience of detection.

[0008] According to the weld detection device for single weld seams of square tubes, the multiple moving rods are perpendicular to each other, the multiple wheels roll on the surfaces of the moving rods, two second screws are arranged on the sides of the multiple moving rods, one ends of the multiple second screws penetrate through the two perpendicular moving rods, and one ends of the multiple second screws are threadedly connected to nuts. The multiple moving rods are used to facilitate adaptation to pipes within a length range, thereby expanding the scope of application and enhancing practicality.

[0009] According to the weld detection device for single weld seams of square tubes, the upper surfaces of the plurality of movable shells are threadedly connected to the first screws, one end of the first screws extends to the interior of the movable shell, and one end of the plurality of first screws are fixedly connected to the rubber pad. The first screws are used to facilitate fixation, enhance detection stability, and help improve work efficiency.

[0010] According to the weld detection device for single weld seams of square tubes, multiple upper surfaces of the movable shells are fixedly connected to handles, multiple lower surfaces of the movable shells are fixedly connected to telescopic rods, and the output ends of the telescopic rods are rotatably connected to rollers. The handles are used to facilitate movement by staff, thereby improving convenience, and the telescopic rods and rollers are used to facilitate the movement of the device.

[0011] According to the weld detection device for single weld seams of square tubes, the lower surfaces of the plurality of movable shells are fixedly connected to two hydraulic rods, and the output ends of the plurality of hydraulic rods are fixedly connected to soft pads, so that the device can be fixed conveniently by using the hydraulic rods to improve stability.

[0012] According to the weld detection device for single weld seams of square tubes, two fixing grooves are provided at both ends of the plurality of moving rods, and the two fixing grooves both penetrate the moving rods, so that the fixing grooves are used to facilitate the fixing and rotation of the assembly.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Manually rotate the fixed rod to drive the gear to rotate, thereby moving the threaded rod, making it easier for workers to disassemble the ultrasonic probe, facilitate maintenance and cleaning, and save work time.

[0015] 2. Use the electric telescopic rod to adjust the height of the motor and the grinding disc to adapt to different types of pipes. The motor and the grinding disc can automatically clean the weld, saving labor, which is beneficial to improving the accuracy of the detection results and improving work efficiency.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 It is a stereoscopic diagram of a weld seam detection device for a single weld seam of a square tube according to the utility model;

[0019] Figure 2 This is a cross-sectional view of a weld detection device for a single weld seam of a square tube according to the utility model;

[0020] Figure 3 The utility model is a welding seam detection device for single welding seams of square and rectangular tubes. Figure 2 The enlarged view of point A in the middle;

[0021] Figure 4 It is a top view of a movable shell of a weld seam detection device for a single weld seam of a square tube according to the utility model;

[0022] Figure 5 The utility model is a top sectional view of a movable shell of a weld detection device for a single weld seam of a square tube.

[0023] In the figure: 1. moving rod; 2. wheel; 3. cushion; 4. first screw; 5. rotating rod; 6. handle; 7. moving shell; 8. hydraulic rod; 9. second screw; 10. ultrasonic probe; 11. rubber pad; 12. nut; 13. grinding disc; 14. electric telescopic rod; 15. motor; 16. threaded rod; 17. fixed rod; 18. fixed block; 19. gear; 20. fixed slot; 21. telescopic rod; 22. roller. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5The utility model embodiment provides a technical solution: a weld detection device for single weld seam of square tube, comprising: a plurality of movable shells 7 and a plurality of movable rods 1, the sides of the plurality of movable shells 7 are fixedly connected to two fixed blocks 18, the movable shells 7 are used to conveniently drive the device to move, and the working convenience is improved, the inner walls of the plurality of fixed blocks 18 are all rotatably connected to gears 19, and the fixed blocks 18 are used to facilitate the fixing of the ultrasonic probe 10, the upper surfaces of the plurality of gears 19 are all fixedly connected to threaded rods 16, the side surfaces of the plurality of threaded rods 16 are respectively rotatably connected to the inner walls of the fixed blocks 18, one end of the plurality of threaded rods 16 extends to the outside of the fixed blocks 18, and the threaded rods 16 are conveniently rotated, the plurality of gears 19 are meshedly connected to the fixed rods 17, and one end of the plurality of fixed rods 17 are slidably connected to the ultrasonic probe 10, and the plurality of ultrasonic probes 10 are conducive to saving working time;

[0026] The sides of the multiple movable shells 7 are fixedly connected to the electric telescopic rods 14, which facilitates the adjustment of the height of the motor 15 and the grinding plate 13 and improves the scope of application. The output ends of the multiple electric telescopic rods 14 are fixedly connected to the motor 15, and the output ends of the multiple motors 15 are fixedly connected to the grinding plate 13.

[0027] The inner walls of the multiple moving shells 7 are fixedly connected to the multiple rotating rods 5, one end of the multiple rotating rods 5 are rotatably connected to the wheels 2, the multiple moving rods 1 are perpendicular to each other, and the multiple wheels 2 roll on the surface of the moving rods 1 for easy movement. Two second screws 9 are arranged on the sides of the multiple moving rods 1, and the second screws 9 and the nuts 12 are used to facilitate the assembly of the moving rods 1. One end of the multiple second screws 9 passes through the two perpendicular moving rods 1, and one end of the multiple second screws 9 is threadedly connected to the nuts 12. The upper surfaces of the multiple moving shells 7 are threadedly connected to the first screws 4, and one end of the first screws 4 extends to the inside of the moving shell 7. 4 are fixedly connected to a rubber pad 11 at one end, and the rubber pad 11 can be used to protect the moving rod 1 and improve its service life. The upper surfaces of the multiple moving shells 7 are fixedly connected to the handle 6, the lower surfaces of the multiple moving shells 7 are fixedly connected to the telescopic rod 21, and the output ends of the multiple telescopic rods 21 are rotatably connected to the roller 22. The lower surfaces of the multiple moving shells 7 are fixedly connected to two hydraulic rods 8, and the output ends of the multiple hydraulic rods 8 are fixedly connected to the soft pad 3. The soft pad 3 can be used to protect the pipeline surface when the hydraulic rod 8 is fixed. Two fixing grooves 20 are provided at both ends of the multiple moving rods 1, and the two fixing grooves 20 pass through the moving rod 1.

[0028] Working principle: The movable rod 1 can be adjusted for different types of pipelines. When inspecting the welds of square tubes, the telescopic rod 21 and the roller 22 are used to facilitate the movement of the detection device. When inspecting the welds of square tubes, the hydraulic rod 8 can be used to fix them. When inspecting the welds of the pipelines at the joints of square tubes, the multiple ultrasonic probes 10 are set up to save working time. When the ultrasonic probe 10 needs maintenance or cleaning, the fixed rod 17 is manually rotated to drive the gear 19 to rotate, thereby moving the threaded rod 16, which is convenient for the staff to disassemble the ultrasonic probe 10 and facilitate maintenance and cleaning. Before the detection, the height of the motor 15 and the grinding disc 13 can be adjusted by the electric telescopic rod 14 to adapt to different types of pipelines. The motor 15 and the grinding disc 13 can be used to automatically clean the welds, saving labor and helping to improve the accuracy of the detection results.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A weld detection device for single weld seam of square tube, comprising: A plurality of movable shells (7) and a plurality of movable rods (1), characterized in that the sides of the plurality of movable shells (7) are fixedly connected to two fixed blocks (18), the inner walls of the plurality of fixed blocks (18) are rotatably connected to gears (19), the upper surfaces of the plurality of gears (19) are fixedly connected to threaded rods (16), the side surfaces of the plurality of threaded rods (16) are respectively rotatably connected to the inner walls of the fixed blocks (18), one end of the plurality of threaded rods (16) extends to the outside of the fixed blocks (18), the plurality of gears (19) are meshedly connected to the fixed rods (17), and one end of the plurality of fixed rods (17) is slidably connected to the ultrasonic probe (10); The sides of the plurality of movable shells (7) are fixedly connected to the electric telescopic rods (14), the output ends of the plurality of electric telescopic rods (14) are fixedly connected to the motors (15), and the output ends of the plurality of motors (15) are fixedly connected to the grinding discs (13).

2. A weld detection device for single weld seams of square and rectangular tubes as claimed in claim 1, characterized in that: The inner walls of the plurality of movable shells (7) are fixedly connected to a plurality of rotating rods (5), and one end of the plurality of rotating rods (5) is rotatably connected to the wheel (2).

3. A weld detection device for single weld seams of square and rectangular tubes as claimed in claim 2, characterized in that: The plurality of moving rods (1) are perpendicular to each other, the plurality of wheels (2) roll on the surface of the moving rods (1), two second screws (9) are arranged on the side surfaces of the plurality of moving rods (1), one end of the plurality of second screws (9) passes through the two perpendicular moving rods (1), and one end of the plurality of second screws (9) is threadedly connected to a nut (12).

4. A weld seam detection device for single weld seams of square and rectangular tubes as claimed in claim 1, characterized in that: The upper surfaces of the plurality of movable shells (7) are all threadedly connected to the first screws (4), one end of the first screws (4) extends into the interior of the movable shell (7), and one end of the plurality of first screws (4) are all fixedly connected to the rubber pads (11).

5. A weld detection device for single weld seams of square and rectangular tubes as claimed in claim 1, characterized in that: The upper surfaces of the plurality of movable shells (7) are all fixedly connected to the handle (6), the lower surfaces of the plurality of movable shells (7) are all fixedly connected to the telescopic rod (21), and the output ends of the plurality of telescopic rods (21) are all rotatably connected to the roller (22).

6. A weld detection device for single weld seams of square and rectangular tubes as claimed in claim 1, characterized in that: The lower surfaces of the plurality of movable shells (7) are all fixedly connected to two hydraulic rods (8), and the output ends of the plurality of hydraulic rods (8) are all fixedly connected to the soft pad (3).

7. A weld seam detection device for single weld seams of square and rectangular tubes as claimed in claim 1, characterized in that: Two fixing grooves (20) are provided at both ends of the plurality of moving rods (1), and the two fixing grooves (20) both penetrate the moving rod (1).

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