Detection device for fillet weld of plug tube socket

Abstract

The utility model relates to the technical field of plug tube socket welding seam detection, and particularly discloses a plug tube socket fillet welding seam detection device which comprises a gear ring, limiting ring pieces are symmetrically arranged on the inner wall of the gear ring up and down, a middle ring piece is arranged between the two sets of limiting ring pieces, and the inner wall of the middle ring piece is connected with a positioning mechanism. The positioning mechanism comprises a positioning ring piece, a circular notch, a reset spring, an ejector rod and an arc-shaped plate piece, the right side of the positioning ring piece is connected with an air jacking mechanism, the air jacking mechanism comprises a communicating notch and an air pump, the left side of the positioning ring piece is connected with a driving mechanism, and the driving mechanism comprises a driving motor and a gear. The device can be more conveniently and rapidly fixed to the outer wall of a pipe base through the air jacking mechanism, the gear ring is driven by the driving mechanism to drive the phased array probe to rotate around a plug pipe base fillet weld, the weld is detected through the phased array probe, and the automation effect of detection is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of plug tube seat weld detection, and particularly relates to a detection device for the fillet weld of a plug tube seat. Background Art

[0002] The existing design of plug weld joints consists of three parts: the plug, the pipe socket, and the plug weld. When inspecting the plug weld, a track metal ring is often used to assist in controlling the movement direction of the probe, so that when the operator rotates the phased array probe, the phased array probe can rotate more stably around the weld. However, during inspection, the operator needs to control the track metal ring and the phased array probe separately, which makes the inspection operation inconvenient and easily affects the inspection accuracy. Utility Model Content

[0003] The purpose of the utility model is to provide a device for detecting fillet welds of a plug socket, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A device for detecting fillet welds of a plug socket, comprising:

[0006] The gear ring has limit rings symmetrically arranged on the inner wall of the gear ring, and a middle ring is arranged between the two groups of limit rings. The inner wall of the middle ring is connected with a positioning mechanism, and the positioning mechanism includes a positioning ring, a circular notch, a return spring, a push rod and an arc plate. When the device is installed, the positioning ring is sleeved on the outside of the pipe seat, and the right side of the positioning ring is connected with an air top mechanism, and the air top mechanism includes a connecting notch and an air pump. The left side of the positioning ring is connected with a driving mechanism, and the driving mechanism includes a driving motor and a gear. The top left side of the limit ring is connected with a mounting bracket, and the mounting bracket and the limit ring are fixedly connected by a positioning bolt, so as to facilitate the disassembly and assembly of the mounting bracket, and a phased array probe is engaged with the ring at the upper end of the mounting bracket.

[0007] Preferably, the inner wall of the middle ring is connected to the middle of the outer wall of the positioning ring, the circular groove array is opened on the inner wall of the positioning ring, the reset spring and the push rod are both arranged in the circular groove, the two ends of the reset spring are respectively connected to the positioning ring and the push rod, the circular array of the arc plate is arranged on the inner side of the positioning ring, and the end of the push rod away from the reset spring is connected to the middle of the outer wall of the arc plate, the air entering the circular groove pushes one end of the push rod out of the circular groove, so that the multiple groups of arc plates are all translated toward the tube seat, and the tube seat is clamped by the multiple groups of arc plates.

[0008] Preferably, the air cap mechanism further includes a conduit, the communicating slot is provided inside the positioning ring, and the communicating slot is communicated with the circular slot, the air pump is provided on the right side of the gear ring, and one end of the conduit is connected to the bottom end of the air pump, and the other end of the conduit is connected to the right side of the bottom end of the positioning ring, and the conduit is communicated with the communicating slot, and the air pump is started to guide the air into the circular slot through the conduit and the communicating slot.

[0009] Preferably, the gas cap mechanism further includes a first-level positioning plate and a first-level assembly plate, the first-level positioning plate is arranged on the right side of the bottom of the positioning ring, the air pump is fixedly connected to the top of the first-level positioning plate by a positioning bolt, the first-level assembly plate is symmetrically connected to the top of the first-level positioning plate front and back, and the first-level assembly plate is fixedly connected to the positioning ring by the positioning bolt, and the gas cap mechanism and the positioning ring are connected and fixed by the first-level positioning plate and the first-level assembly plate;

[0010] An opening is provided on the left top of the first-level positioning plate, and a gap is left between the first-level positioning plate, the top rod and the arc-shaped plate to prevent mutual interference between the first-level positioning plate, the top rod and the arc-shaped plate;

[0011] The primary positioning plate is in an L-shaped structure;

[0012] Both ends of the conduit pass through the primary positioning plate.

[0013] Preferably, the drive motor and gear are both arranged on the left side of the gear ring, the drive motor is above the gear, the bottom end of the drive motor output shaft passes through the middle of the top of the gear, the gear is meshed with the gear ring, and the drive motor is turned on, and the output shaft of the drive motor drives the gear to rotate, thereby driving the gear ring to rotate.

[0014] Preferably, the driving mechanism further includes an external frame, a secondary positioning plate and a secondary assembly plate, the external frame is arranged on the top outside the gear, the driving motor is fixedly connected to the middle of the top of the external frame by a positioning bolt, the secondary positioning plate is arranged at the bottom end of the gear, and the output shaft at the bottom of the driving motor is connected to the secondary positioning plate bearing, the front and rear sides of the secondary positioning plate are both connected to the external frame, the secondary assembly plate is symmetrically connected to the top of the secondary positioning plate front and back, and the secondary assembly plate is fixedly connected to the positioning ring by a positioning bolt, and the driving mechanism and the positioning ring are connected and fixed by the secondary positioning plate and the secondary assembly plate;

[0015] An opening is provided on the top right side of the secondary positioning plate, and a gap is left between the secondary positioning plate, the top rod and the arc-shaped plate to prevent the secondary positioning plate, the top rod and the arc-shaped plate from interfering with each other;

[0016] The secondary positioning plate is in an L-shaped structure.

[0017] Preferably, a support plate is symmetrically connected to the front and back of the bottom right side of the peripheral frame, and the top surface of the support plate fits with the positioning ring, thereby enhancing the stability of the peripheral frame and making it difficult for the drive mechanism to tilt.

[0018] Preferably, the limiting ring is provided with a ball head in a circumferential array on one side close to the middle ring, and the ball head fits with the middle ring, while ensuring the fixing and limiting effect of the limiting ring on the middle ring, the friction between the middle ring and the limiting ring is reduced, thereby better ensuring the rotation effect of the gear ring.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The utility model starts the air pump through the air lifting mechanism provided, guides air into the communicating notch, thereby ejecting the ejector rod, causing the multiple groups of arc-shaped plates to move toward the tube seat, clamping the tube seat through the multiple groups of arc-shaped plates, and realizing the positioning effect of the device on the outside of the tube seat, the driving mechanism drives the gear to rotate, thereby driving the gear ring to rotate, and the gear ring drives the phased array probe to rotate around the fillet weld of the plug tube seat, and the weld is inspected by the phased array probe, and there is no need for personnel to take into account the track metal ring and the fixed limit of the phased array probe when performing weld inspection, thereby improving the automation effect of inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0023] Figure 3 Schematic diagram of the driving mechanism of the present utility model;

[0024] Figure 4 Schematic diagram of the gas cap mechanism of the present utility model;

[0025] Figure 5 Schematic diagram of the gear ring of the present utility model;

[0026] Figure 6 This is a schematic diagram of the middle ring of the utility model;

[0027] Figure 7 This is a schematic diagram of a circular notch of the present utility model;

[0028] In the figure: 10, gear ring;

[0029] 20. Limiting ring; 201. Ball head;

[0030] 30. Middle ring;

[0031] 40. Positioning mechanism; 401. Positioning ring; 402. Circular notch; 403. Return spring; 404. Ejector rod; 405. Arc-shaped plate;

[0032] 50, air cap mechanism; 501, connecting notch; 502, air pump; 503, conduit; 504, primary positioning plate; 505, primary assembly plate;

[0033] 60. Driving mechanism; 601. Driving motor; 602. Gear; 603. External frame; 604. Secondary positioning plate; 605. Secondary assembly plate; 606. Support plate;

[0034] 70. Mounting frame;

[0035] 80. Phased array probe. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] Example:

[0038] See also Figure 1-Figure 7 As shown, a device for detecting fillet welds of a plug socket includes:

[0039] The gear ring 10 has a limit ring 20 symmetrically provided on its inner wall, and a middle ring 30 is provided between the two groups of limit rings 20. The inner wall of the middle ring 30 is connected with a positioning mechanism 40, which includes a positioning ring 401, a circular notch 402, a return spring 403, a push rod 404 and an arc-shaped plate 405. When the device is installed, the positioning ring 401 is sleeved on the outside of the pipe seat, and the right side of the positioning ring 401 is connected with an air lift mechanism 50, which includes a connecting notch 501 and an air pump 502. The left side of the positioning ring 401 is connected with a driving mechanism 60, which includes a driving motor 601 and a gear 602. The top left side of the limit ring 20 is connected with a mounting bracket 70, and the mounting bracket 70 and the limit ring 20 are fixedly connected by positioning bolts, so as to facilitate the disassembly and assembly of the mounting bracket 70. The phased array probe 80 is engaged with the ring at the upper end of the mounting bracket 70.

[0040] refer to Figure 1-Figure 7As shown, the inner wall of the middle ring 30 is connected to the middle of the outer wall of the positioning ring 401, and a circular array of circular grooves 402 is opened on the inner wall of the positioning ring 401. The reset spring 403 and the push rod 404 are both arranged in the circular groove 402. The two ends of the reset spring 403 are respectively connected to the positioning ring 401 and the push rod 404. The arc plate 405 is arranged in a circular array on the inner side of the positioning ring 401, and the push rod 404 is connected to the middle of the outer wall of the arc plate 405 at one end away from the reset spring 403. The air entering the circular groove 402 pushes one end of the push rod 404 out of the circular groove 402, so that multiple groups of arc plates 405 are all translated toward the tube seat, and the tube seat is clamped by multiple groups of arc plates 405.

[0041] refer to Figure 1-Figure 7 As shown, the air cap mechanism 50 also includes a conduit 503, a connecting slot 501 is provided inside the positioning ring 401, and the connecting slot 501 is connected to the circular slot 402, and multiple groups of circular slots 402 are connected through the connecting slot 501, the air pump 502 is provided on the right side of the gear ring 10, and one end of the conduit 503 is connected to the bottom end of the air pump 502, and the other end of the conduit 503 is connected to the right side of the bottom end of the positioning ring 401, and the conduit 503 is connected to the connecting slot 501, and the air pump 502 is started to guide the air into the circular slot 402 through the conduit 503 and the connecting slot 501.

[0042] refer to Figure 1-Figure 7 As shown, the gas lift mechanism 50 further includes a first-level positioning plate 504 and a first-level assembly plate 505. The first-level positioning plate 504 is arranged on the right side of the bottom of the positioning ring 401. The air pump 502 is fixedly connected to the top of the first-level positioning plate 504 by a positioning bolt. The first-level assembly plate 505 is symmetrically connected to the top of the first-level positioning plate 504 front and back, and the first-level assembly plate 505 is fixedly connected to the positioning ring 401 by a positioning bolt. The gas lift mechanism 50 is connected and fixed to the positioning ring 401 through the first-level positioning plate 504 and the first-level assembly plate 505.

[0043] An opening is provided at the top left side of the first-level positioning plate 504, and a gap is left between the first-level positioning plate 504, the top rod 404, and the curved plate 405 to prevent mutual interference between the first-level positioning plate 504, the top rod 404, and the curved plate 405;

[0044] The first-level positioning plate 504 is an L-shaped structure;

[0045] Both ends of the conduit 503 pass through the primary positioning plate 504 .

[0046] refer to Figure 1-Figure 7As shown, the drive motor 601 and the gear 602 are both arranged on the left side of the gear ring 10, the drive motor 601 is above the gear 602, the bottom end of the output shaft of the drive motor 601 passes through the middle of the top of the gear 602, the gear 602 is meshed and connected with the gear ring 10, and the drive motor 601 is turned on, and the output shaft of the drive motor 601 drives the gear 602 to rotate, thereby driving the gear ring 10 to rotate.

[0047] refer to Figure 1-Figure 7 As shown, the driving mechanism 60 also includes an external frame 603, a secondary positioning plate 604 and a secondary assembly plate 605. The external frame 603 is arranged at the top outside the gear 602, and the driving motor 601 is fixedly connected to the middle of the top of the external frame 603 by a positioning bolt. The secondary positioning plate 604 is arranged at the bottom end of the gear 602, and the output shaft at the bottom of the driving motor 601 is connected to the bearing of the secondary positioning plate 604. The front and rear sides of the secondary positioning plate 604 are both connected to the external frame 603. The secondary assembly plate 605 is symmetrically connected to the top of the secondary positioning plate 604 front and back, and the secondary assembly plate 605 is fixedly connected to the positioning ring 401 by a positioning bolt. The driving mechanism 60 and the positioning ring 401 are connected and fixed by the secondary positioning plate 604 and the secondary assembly plate 605.

[0048] An opening is provided at the top right side of the secondary positioning plate 604, and a gap is left between the secondary positioning plate 604, the top rod 404, and the curved plate 405 to prevent mutual interference between the secondary positioning plate 604, the top rod 404, and the curved plate 405;

[0049] The secondary positioning plate 604 is L-shaped.

[0050] refer to Figure 1-Figure 7 As shown, a support plate 606 is symmetrically connected to the front and back of the bottom right side of the peripheral frame 603, and the top surface of the support plate 606 fits with the positioning ring 401, thereby enhancing the stability of the peripheral frame 603 and preventing the driving mechanism 60 from tilting.

[0051] refer to Figure 1-Figure 7 As shown, a ball head 201 is provided in a circumferential array on one side of the limiting ring 20 close to the middle ring 30, and the ball head 201 fits with the middle ring 30. While ensuring the fixing and limiting effect of the limiting ring 20 on the middle ring 30, the friction between the middle ring 30 and the limiting ring 20 is reduced, thereby better ensuring the rotation effect of the gear ring 10.

[0052] When the present invention is in use, the positioning ring 401 is sleeved on the outside of the pipe seat, and the air pump 502 is started to guide air into the circular slot 402 through the conduit 503 and the connecting slot 501, and the air pushes one end of the push rod 404 out of the circular slot 402, so that the multiple groups of arc-shaped plates 405 are all translated toward the pipe seat, and the pipe seat is clamped by the multiple groups of arc-shaped plates 405, so that the device can be quickly positioned on the outside of the pipe seat, and the driving motor 601 is turned on. The output shaft of the driving motor 601 drives the gear 602 to rotate, thereby driving the gear ring 10 to rotate, and the gear ring 10 drives the phased array probe 80 to rotate around the fillet weld of the plug pipe seat, and the weld is detected by the phased array probe 80. There is no need for personnel to take into account the fixed limit of the track metal ring and the phased array probe 80 while performing weld detection, thereby improving the automation effect of detection.

[0053] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for detecting fillet welds of a plug socket, characterized in that: include: A gear ring (10), wherein the inner wall of the gear ring (10) is symmetrically provided with a limiting ring (20) in the upper and lower parts, a middle ring (30) is provided between two groups of the limiting rings (20), and the inner wall of the middle ring (30) is connected with a positioning mechanism (40), and the positioning mechanism (40) includes a positioning ring (401), a circular notch (402), a return spring (403), a push rod (404) and an arc-shaped plate (405), wherein the positioning ring (401) The right side is connected to an air lift mechanism (50), the air lift mechanism (50) includes a connecting notch (501) and an air pump (502), the left side of the positioning ring (401) is connected to a driving mechanism (60), the driving mechanism (60) includes a driving motor (601) and a gear (602), the top left side of the limiting ring (20) is connected to a mounting frame (70), and a phased array probe (80) is engaged in the ring at the upper end of the mounting frame (70).

2. The device for detecting fillet welds of a plug socket according to claim 1, characterized in that: The inner wall of the middle ring (30) is connected to the middle of the outer wall of the positioning ring (401); the circular notch (402) is arranged in a circumferential array on the inner wall of the positioning ring (401); the reset spring (403) and the push rod (404) are both arranged in the circular notch (402); the two ends of the reset spring (403) are respectively connected to the positioning ring (401) and the push rod (404); the arc plate (405) is arranged in a circumferential array on the inner side of the positioning ring (401); and the end of the push rod (404) away from the reset spring (403) is connected to the middle of the outer wall of the arc plate (405).

3. The device for detecting fillet welds of a plug socket according to claim 1, characterized in that: The air cap mechanism (50) further comprises a conduit (503), the communicating notch (501) is provided inside the positioning ring (401), and the communicating notch (501) is communicated with the circular notch (402), the air pump (502) is provided on the right side of the gear ring (10), and one end of the conduit (503) is connected to the bottom end of the air pump (502), and the other end of the conduit (503) is connected to the right side of the bottom end of the positioning ring (401), and the conduit (503) is communicated with the communicating notch (501).

4. The device for detecting fillet welds of a plug socket according to claim 3, characterized in that: The air-lift mechanism (50) further comprises a first-level positioning plate (504) and a first-level assembly plate (505), wherein the first-level positioning plate (504) is arranged on the right side of the bottom of the positioning ring (401), the air pump (502) is fixedly connected to the top of the first-level positioning plate (504) by means of positioning bolts, the first-level assembly plate (505) is symmetrically connected to the top of the first-level positioning plate (504) in front and back directions, and the first-level assembly plate (505) is fixedly connected to the positioning ring (401) by means of positioning bolts; An opening is provided at the top left side of the first-level positioning plate (504), and a gap is left between the first-level positioning plate (504), the top rod (404), and the arc-shaped plate (405); The primary positioning plate (504) is in an L-shaped structure; Both ends of the conduit (503) pass through the primary positioning plate (504).

5. The device for detecting fillet welds of a plug socket according to claim 1, characterized in that: The driving motor (601) and the gear (602) are both arranged on the left side of the gear ring (10), the driving motor (601) is located above the gear (602), the bottom end of the output shaft of the driving motor (601) passes through the middle of the top of the gear (602), and the gear (602) is meshed and connected with the gear ring (10).

6. The device for detecting fillet welds of a plug socket according to claim 5, characterized in that: The driving mechanism (60) further comprises an external frame (603), a secondary positioning plate (604) and a secondary assembly plate (605), wherein the external frame (603) is arranged at the top outside the gear (602), the driving motor (601) is fixedly connected to the middle of the top of the external frame (603) by means of positioning bolts, the secondary positioning plate (604) is arranged at the bottom end of the gear (602), and the output shaft at the bottom of the driving motor (601) is connected to the bearing of the secondary positioning plate (604), the front and rear sides of the secondary positioning plate (604) are both connected to the external frame (603), the secondary assembly plate (605) is symmetrically connected to the top of the secondary positioning plate (604) in front and rear, and the secondary assembly plate (605) is fixedly connected to the positioning ring (401) by means of positioning bolts; An opening is provided at the top right side of the secondary positioning plate (604), and a gap is left between the secondary positioning plate (604), the top rod (404), and the arc-shaped plate (405); The secondary positioning plate (604) is in an L-shaped structure.

7. The device for detecting fillet welds of a plug socket according to claim 6, characterized in that: The bottom end of the right side of the peripheral frame (603) is symmetrically connected to a support plate (606) in front and back, and the top surface of the support plate (606) is in contact with the positioning ring (401).

8. The device for detecting fillet welds of a plug socket according to claim 1, characterized in that: A circumferential array of ball heads (201) is provided on one side of the limiting ring (20) close to the middle ring (30), and the ball heads (201) are in contact with the middle ring (30).

Images