Hull weld joint detection device

Abstract

The utility model discloses a ship body welding seam detection device which comprises two movable bases, two fixing rods are fixed to the inner sides of the tops of the two movable bases, the outer rings of the two fixing rods are sleeved with a fixing sleeve, and one side of the fixing sleeve is provided with a first installation disc through a driving assembly. A second mounting disc is fixedly connected to the bottom of the first mounting disc through a plurality of fixing screws, a gear motor is fixedly mounted on the second mounting disc through a mounting plate, and the output end of the gear motor penetrates through the bottom of the second mounting disc and is fixedly connected with a connecting arm; a first mounting arm, a second mounting arm and a third mounting arm are arranged on the outer side of the lower portion of the connecting arm in the axial direction in an array mode. A gear motor is arranged to drive a connecting arm to rotate, and then a first mounting arm, a second mounting arm and a third mounting arm rotate to respectively drive parts above, so that the detection angle of an ultrasonic detector can be adjusted, a main body welding seam is knocked to judge whether a pseudo soldering phenomenon exists or not, and the surface of the main body welding seam is cleaned; and the detection effect is improved.

Description

Technical Field

[0001] The utility model relates to a ship hull weld detection device, belonging to the technical field of ship hull weld detection. Background Art

[0002] The shipbuilding industry has put forward higher requirements for ship welding technology. Ship welding is an important step to ensure the safety of the hull. In order to ensure the quality of the hull, it is necessary to ensure that there are no weld problems on the hull. In order to detect the hull welds, corresponding weld detection equipment is required.

[0003] In the prior art, for example, the Chinese patent number CN218765156U, "A non-destructive testing device for ship hull welds," includes a mobile vehicle, a top cover fixedly connected to the top end of which is fixedly connected a telescopic rod, one end of which is rotatably connected to a rotating rod 1, one end of which is rotatably connected to a rotating rod 2, one end of which is fixedly connected to a rotating motor, one end of which is fixedly connected to a mounting plate; a fixed plate fixedly connected to one side of the mounting plate, a movable sleeve slidably connected to the outside of the fixed plate, an ultrasonic transducer mounted inside the movable sleeve, a motor 1 fixedly connected to the top end of the fixed plate, a screw fixedly connected to one end of the motor 1, the screw passing through the movable sleeve and being threadedly connected to the movable sleeve. The beneficial effect of the present invention is that, by designing a movable sleeve and a glue dispensing disk, the position of the movable sleeve can be adjusted by rotating the screw 1, thereby changing the position of the transducer for multiple measurements, and by rotating the rotating plate, the glue dispensing disk can be rotated to one side of the transducer to smear the transducer, thereby improving measurement accuracy.

[0004] According to the above case reference, although the detection device can detect hull welds, the position of the ultrasonic transducer is usually fixed. Since the ultrasonic transducer is not easy to rotate, the detection range of the ultrasonic weld of the hull of the detection device is small, which in turn affects the detection efficiency of the detection device for the hull welds. Utility Model Content

[0005] The purpose of the utility model is to design a ship hull weld detection device in view of the above-mentioned problems existing in the prior art, to overcome the deficiencies of the prior art.

[0006] In order to achieve the above purpose, the technical solution of the utility model is:

[0007] A hull weld detection device comprises two mobile bases, two fixing rods are fixed on the inner side of the top of the two mobile bases, and a fixing sleeve is provided on the outer ring of the two fixing rods, and one side of the fixing sleeve is installed with a mounting plate 1 through a driving component, and the bottom of the mounting plate 1 is fixedly connected to the mounting plate 2 through multiple fixing screws, and the mounting plate 2 is fixedly installed with a reduction motor through a mounting plate, and the output end of the reduction motor passes through the bottom of the mounting plate 2 and is fixedly connected with a connecting arm, and the lower outer axial array of the connecting arm is respectively provided with a first mounting arm, a second mounting arm and a third mounting arm, a groove is provided at one end of the top of the first mounting arm, and an ultrasonic detector is hingedly provided in the groove, a flip arm is provided on one side of the ultrasonic detector, and a linkage component for convenient adjustment of the angle of the ultrasonic detector is provided on one side of the first mounting arm.

[0008] Preferably, the driving assembly includes a transverse hydraulic rod, which is mounted on one side of the fixing sleeve via a support seat, and an output end of the transverse hydraulic rod is fixedly connected to a mounting base.

[0009] Preferably, a longitudinal hydraulic rod is installed on the inner ring of the bottom of the mounting base, and the output end of the longitudinal hydraulic rod is fixedly connected to the top of the mounting plate 1.

[0010] Preferably, the linkage assembly includes an articulated seat 1, the articulated seat 1 is welded to the outside of the first mounting arm, and a mounting seat is hingedly connected to one side of the articulated seat 1.

[0011] Preferably, an electric push rod is installed on one side of the mounting seat, an output end of the electric push rod is fixedly connected to a movable hinge seat, and a side of the movable hinge seat away from the electric push rod is hinged to the flip arm.

[0012] Preferably, the second mounting arm and the third mounting arm are respectively provided with a first rotating block and a second rotating block at one end away from the connecting arm, and the bottoms of the two mobile bases are both provided with two universal wheels through a second hinge seat.

[0013] Preferably, a knocking block is fixedly provided on one side and the bottom of the rotating block one through a connecting rod one, and a scraper is fixedly provided on one side and the bottom of the rotating block two through a connecting rod two.

[0014] Beneficial effects achieved by the utility model:

[0015] 1. By setting a reduction motor to drive the connecting arm to rotate, the connecting arm drives the first mounting arm, the second mounting arm and the third mounting arm to rotate. The first mounting arm, the second mounting arm and the third mounting arm can be rotated to respectively drive the upper parts to adjust the detection angle of the ultrasonic detector, tap the main weld to determine whether there is a cold weld and clean the surface of the main weld, thereby improving the detection effect;

[0016] 2. During detection, the electric push rod can be started, and the output end of the electric push rod drives the movable hinge to move, and the movable hinge drives the flip arm to drive the ultrasonic detector, which can adjust the detection angle of the ultrasonic detector and further improve the detection efficiency of the detection head. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;

[0018] Figure 2 for Figure 1 The schematic diagram of the upper and lower side structure of the connecting arm shown;

[0019] Figure 3 for Figure 2 The side view structural diagram shown;

[0020] Figure 4 for Figure 3 A is an enlarged structural diagram of FIG.

[0021] Figure numerals: 1. Mobile base; 2. Fixed rod; 3. Fixed sleeve; 4. Drive assembly; 41. Horizontal hydraulic rod; 42. Mounting base; 43. Longitudinal hydraulic rod; 5. Mounting plate 1; 6. Fixed screw; 7. Mounting plate 2; 8. Reducer motor; 9. Connecting arm; 91. First mounting arm; 92. Second mounting arm; 93. Third mounting arm; 10. Ultrasonic detector; 11. Linkage assembly; 110. Articulated seat 1; 111. Mounting seat; 112. Electric push rod; 113. Movable hinge seat; 12. Flip arm; 13. Rotating block 1; 14. Knocking block; 15. Scraper; 16. Universal wheel; 17. Rotating block 2. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are not intended to limit the scope of protection of the present invention.

[0023] Example 1

[0024] like Figure 1-4As shown, a hull weld detection device proposed by the present invention includes two mobile bases 1, two fixing rods 2 are fixed on the inner side of the top of the two mobile bases 1, and a fixing sleeve 3 is provided on the outer ring of the two fixing rods 2. A mounting plate 5 is installed on one side of the fixing sleeve 3 through a driving component 4. The bottom of the mounting plate 5 is fixedly connected to the mounting plate 2 7 through a plurality of fixing screws 6. The mounting plate 2 7 is fixedly installed with a reduction motor 8 through a mounting plate. The output end of the reduction motor 8 passes through the bottom of the mounting plate 2 7 and is fixedly connected to a connecting arm 9. The lower outer axial array of the connecting arm 9 is respectively provided with a first mounting arm 91, a second mounting arm 92 and a third mounting arm 93. A groove is provided at one end of the top of the first mounting arm 91, and an ultrasonic detector 10 is hingedly provided in the groove. A flip arm 12 is provided on one side of the ultrasonic detector 10, and a linkage component 11 for conveniently adjusting the angle of the ultrasonic detector 10 is provided on one side of the first mounting arm 91.

[0025] In this embodiment, two fixing rods 2 are fixed on the inner side of the top of the two mobile bases 1, and a fixing sleeve 3 is provided on the outer ring of the two fixing rods 2. The mobile base 1 and the fixing rod 2 are used to support the frame of the device, and the driving component 4 is installed through the fixed sleeve 3. The use height and distance of the device can be adjusted through the driving component 4. The mounting plate 1 5 and the mounting plate 2 7 are provided to support the reduction motor 8 and the detection body below. A plurality of fixing screws 6 are provided to fix the position of the mounting plate 2 7 and the mounting plate 1 5. The reduction motor 8 is provided to drive the connecting arm 9 to rotate. When the connecting arm 9 rotates, it can drive the first mounting arm 91, the second mounting arm 92 and the third mounting arm 93 to rotate. The first mounting arm 91, the second mounting arm 92 and the third mounting arm 93 can be provided to more conveniently move the functional components below.

[0026] Example 2

[0027] like Figure 1-4As shown, a hull weld detection device proposed by the present invention, compared with embodiment 1, this embodiment also includes a driving component 4 including a transverse hydraulic rod 41, the transverse hydraulic rod 41 is installed on one side of the fixed sleeve 3 through a support seat, the output end of the transverse hydraulic rod 41 is fixedly connected to the mounting base 42, the inner ring of the bottom of the mounting base 42 is installed with a longitudinal hydraulic rod 43, the output end of the longitudinal hydraulic rod 43 is fixedly connected to the top of the mounting plate 5, the linkage component 11 includes an articulated seat 110, the articulated seat 110 is welded to the outside of the first mounting arm 91, and a mounting seat 111 is hinged on one side of the articulated seat 110. An electric push rod 112 is installed on one side of the mounting seat 111, and the output end of the electric push rod 112 is fixedly connected to a movable hinge seat 113. The movable hinge seat 113 is hinged to the flip arm 12 on the side away from the electric push rod 112. The second mounting arm 92 and the third mounting arm 93 are respectively provided with a rotating block 13 and a rotating block 2 17 on the end away from the connecting arm 9. Two universal wheels 16 are provided at the bottom of the two mobile bases 1 through the hinge seat 2. A knocking block 14 is fixedly provided on one side and the bottom of the rotating block 13 through the connecting rod 1, and a scraper 15 is fixedly provided on one side and the bottom of the rotating block 2 17 through the connecting rod 2.

[0028] In this embodiment, a driving component 4 is provided, and the distance between the device and the main body can be adjusted by starting the transverse hydraulic rod 41. The installation base 42 is convenient for installing the longitudinal hydraulic rod 43. The longitudinal hydraulic rod 43 is provided to adjust the height of the device and the main body. A linkage component 11 is provided, and by starting the electric push rod 112, the output end of the electric push rod 112 drives the movable hinge 113 to move, and the movable hinge 113 drives the flip arm 12 to drive the ultrasonic detector 10, which can adjust the detection angle of the ultrasonic detector 10, further improving the detection efficiency and detection range of the detection head. The second mounting arm 92 and the third mounting arm 93 are respectively provided with a rotating block 13 and a rotating block 2 17 at the end away from the connecting arm 9. The rotating block 13 and the rotating block 2 17 are used to install the fixed knocking block 14 and the scraper 15. The knocking block 14 is provided to knock the main body weld to determine whether there is a cold weld. If there is an obstacle that hinders the detection of the gap, it can be cleaned by the scraper 15.

[0029] Working principle: When using the hull weld detection device, adjust the device to a suitable position through the drive component 4, and then start the reduction motor 8. The reduction motor 8 drives the connecting arm 9 at the bottom to rotate. The rotation of the connecting arm 9 drives the first mounting arm 91, the second mounting arm 92 and the third mounting arm 93 to rotate. If the hull surface is too dirty and affects the detection, the rotation of the third mounting arm 93 can drive the scraper 15 to clean the hull surface. The hull surface can also be knocked by using the knocking block 14 before detection to knock on the weld to quickly determine whether the weld has a cold weld. During detection, the electric push rod 112 can be started, and the output end of the electric push rod 112 drives the movable hinge 113 to move. The movable hinge 113 drives the flip arm 12 to drive the ultrasonic detector 10. The detection angle of the ultrasonic detector 10 can be adjusted to further improve the detection efficiency of the detection head.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A ship hull weld inspection device comprising two mobile bases (1), characterized in that: Two fixing rods (2) are fixed on the inner side of the top of the two mobile bases (1), and a fixing sleeve (3) is provided on the outer ring of the two fixing rods (2). One side of the fixing sleeve (3) is installed with a mounting plate (5) through a driving component (4). The bottom of the mounting plate (5) is fixedly connected to the mounting plate (7) through a plurality of fixing screws (6). The mounting plate (7) is fixedly installed with a reduction motor (8) through a mounting plate. The output end of the reduction motor (8) passes through the bottom of the mounting plate (7) and is fixedly connected to a connecting arm (9). The lower outer axial array of the connecting arm (9) is respectively provided with a first mounting arm (91), a second mounting arm (92) and a third mounting arm (93). A groove is provided at one end of the top of the first mounting arm (91), and an ultrasonic detector (10) is hingedly provided in the groove. A flip arm (12) is provided on one side of the ultrasonic detector (10). A linkage component (11) for conveniently adjusting the angle of the ultrasonic detector (10) is provided on one side of the first mounting arm (91).

2. A ship hull weld detection device according to claim 1, characterized in that: The drive assembly (4) comprises a transverse hydraulic rod (41), the transverse hydraulic rod (41) being mounted on one side of the fixed sleeve (3) via a support seat, and the output end of the transverse hydraulic rod (41) being fixedly connected to a mounting base (42).

3. A ship hull weld detection device according to claim 2, characterized in that: A longitudinal hydraulic rod (43) is installed on the inner ring of the bottom of the mounting base (42), and the output end of the longitudinal hydraulic rod (43) is fixedly connected to the top of the mounting plate (5).

4. A ship hull weld detection device according to claim 1, characterized in that: The linkage assembly (11) comprises an articulated seat 1 (110), wherein the articulated seat 1 (110) is welded to the outside of the first mounting arm (91), and a mounting seat (111) is hingedly connected to one side of the articulated seat 1 (110).

5. A ship hull weld detection device according to claim 4, characterized in that: An electric push rod (112) is installed on one side of the mounting seat (111), an output end of the electric push rod (112) is fixedly connected to a movable hinge seat (113), and a side of the movable hinge seat (113) away from the electric push rod (112) is hinged to the flip arm (12).

6. A ship hull weld detection device according to claim 1, characterized in that: The second mounting arm (92) and the third mounting arm (93) are respectively provided with a first rotating block (13) and a second rotating block (17) at one end away from the connecting arm (9), and the bottoms of the two mobile bases (1) are both provided with two universal wheels (16) via a second hinged seat.

7. A ship hull weld detection device according to claim 6, characterized in that: A knocking block (14) is fixedly provided on one side and the bottom of the first rotating block (13) via a first connecting rod, and a scraper (15) is fixedly provided on one side and the bottom of the second rotating block (17) via a second connecting rod.

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