TA22 titanium alloy pipe flaw detection device

Abstract

The invention relates to the field of titanium alloy, in particular to a TA22 titanium alloy pipe flaw detection device which comprises a bottom plate, a pipeline is mounted in the middle of the upper end of the bottom plate through a positioning mechanism, one end of the pipeline is sleeved with a rubber sleeve, and a plurality of holes are formed in the circumferential outer wall of the rubber sleeve at equal intervals. Clamping mechanisms are installed on the two sides of the upper end of the bottom plate, a flaw detection instrument is installed on one clamping mechanism, a probe is connected to the flaw detection instrument through a wire, and the upper end of the probe abuts against the outer wall of the lower end of a pipeline. The two clamping mechanisms are arranged on the bottom plate, the detected pipeline is clamped on the bottom plate, the rubber sleeve is arranged on the pipeline, the sliding strip with the rubber strip is arranged on the bottom plate, the sliding strip slides on the bottom plate through the driving screw rod, and when the pipeline is subjected to flaw detection, the sliding strip can be driven to drive the pipeline to rotate on the two positioning mechanisms; meanwhile, the probe slides on the probe, so that flaw detection work is facilitated.

Description

Technical Field

[0001] The invention relates to the field of titanium alloys, in particular to a TA22 titanium alloy pipe flaw detection device. Background Art

[0002] With the continuous improvement of science and technology, some liquids and gases that need to be transported over long distances require the use of pipes made of titanium alloys. These pipes are connected together by welding. In order to avoid damage and holes in the welded parts of the welded pipes, flaw detection devices are required.

[0003] Most of the flaw detection devices currently used are instruments connected to a probe. When in use, the staff needs to place the probe against the weld of the pipe and slide the probe around the weld of the pipe, which is rather troublesome. Different areas of the weld need to be inspected, and this process also requires the pipe to be rotated, which is rather troublesome. In addition, it is difficult for the staff to determine which areas of the weld have been inspected, which is not conducive to the normal progress of the flaw detection work. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a TA22 titanium alloy pipe flaw detection device.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a TA22 titanium alloy pipe flaw detection device, comprising a bottom plate, a pipe is installed in the middle of the upper end of the bottom plate through a positioning mechanism, one end of the pipe is sleeved with a rubber sleeve, a plurality of holes are opened at equal intervals on the circumferential outer wall of the rubber sleeve, clamping mechanisms are installed on both sides of the upper end of the bottom plate, a flaw detector is installed on one of the clamping mechanisms, a probe is connected to the flaw detector through a wire, the upper end of the probe is against the outer wall of the lower end of the pipe, and the lower end of the probe is clamped with a clamp The seat is fixedly connected to the upper end of the bottom plate, a scale line is arranged on one side of the upper end of the bottom plate, a slide groove is opened on one side of the upper end of the bottom plate, the slide groove is located on the side of the scale line close to the middle of the bottom plate, the cross section of the slide groove is a convex structure and the back side is in a through state, a slide bar is slidably connected to the inside of the slide groove, a driving screw is threadedly connected to the middle of the slide bar, a rubber strip is fixedly connected to the upper end of the slide bar through the mounting plate, the upper end of the rubber strip is against the lower end of the rubber sleeve, and a pointer is fixedly connected to the front side of the mounting plate close to the scale line; The positioning mechanism includes a fixing strip, which is longitudinally fixedly connected to the middle part of the upper end of the bottom plate, the fixing strip and the probe are close to each other on one side, and the front and rear parts of both sides of the fixing strip are provided with limiting grooves, and the front and rear sides of the upper end of the fixing strip are slidably connected with a slide seat, and the slide seats are concave structures with openings facing downwards, and the upper ends of the slide seats are vertically fixedly connected with positioning plates, and the positioning plates are against the outer wall of the pipeline, and the distance between the two sides of the positioning plate is the same as the distance between the two sides of the fixing strip; The clamping mechanism includes a group of vertical plates, each group of the vertical plates is provided with two and are symmetrical about the pipeline, the flaw detector is hung on one of the vertical plates located on the front side of the upper end of the bottom plate, the lower ends of the two vertical plates in the same group on the adjacent side are commonly fixedly connected with an arc plate, the arc plates are opened upward and are sleeved on the outside of the pipeline, and a number of first balls are evenly spaced and rollingly connected on the inner wall of the arc plate, the upper ends of the two vertical plates in the same group on the adjacent side are provided with a lifting groove, the middle part of the lifting groove is vertically fixedly connected with a first sliding rod, the outer side of the lower end of the first sliding rod is sleeved with a first spring and a first sliding block, the upper ends of the two vertical plates in the same group on the adjacent side are commonly slidably connected with a lifting plate, and the front and rear sides of the lifting plate The cam is fixedly connected with a second sliding block, the second sliding block is sleeved with and slidably connected to the first sliding bar on the same side, the upper end of the lifting plate is fixedly connected with a sleeve plate, the front and rear sides of the inner part of the sleeve plate are slidably connected with a sliding block, the side of the sliding block away from the middle part of the corresponding sleeve plate is inserted into the inner wall of the lifting groove on the same side, the front and rear sides of the lower end of the lifting plate are provided with a moving groove, the inside of the moving groove is longitudinally fixedly connected with a second sliding bar, the middle part of the second sliding bar is sleeved with a slidably connected third sliding block, the lower end of the third sliding block is fixedly connected to a fixing rod, the front and rear end outer sides of the second sliding bar are sleeved with a second spring, and the two ends of the second spring are respectively fixedly connected to the corresponding inner wall of the moving groove and the third sliding block on the same side.

[0006] Specifically, limiting blocks are fixedly connected to the inner walls on both sides of the slide seat, and the limiting blocks are slidably connected to the limiting grooves on the same side.

[0007] Specifically, a push block is fixedly connected to one side of the slide plate close to the middle of the corresponding sleeve plate, and the push blocks are all T-shaped structures. The push blocks are slidably connected to the upper end outer wall of the sleeve plate on the same side.

[0008] Specifically, one front end of the driving screw rod penetrates and is rotatably connected to the front side wall of the slide groove, one front end of the driving screw rod is fixedly connected to a turntable, and a plurality of friction grooves are evenly spaced on the circumferential outer wall of the turntable.

[0009] Specifically, the lower ends of the first springs are fixedly connected to the lower inner walls of the corresponding lifting slots, the first sliders are slidably connected to the corresponding first sliding rods, the lower ends of the first sliders are fixedly connected to the upper ends of the first springs on the same side, and the upper ends of the first sliders are against the lower ends of the second sliders on the same side.

[0010] Specifically, the distance between the front and rear sides of the slide bar is smaller than the distance between the front and rear sides of the slide groove, and the shape of the slide bar matches the shape of the slide groove.

[0011] Specifically, the upper ends of the fixing rods are both against the lower ends of the lifting plates on the same side, and the two fixing rods on the same lifting plate are both symmetrically arranged with respect to the pipeline.

[0012] Specifically, the lower ends of the fixing rods are rollingly connected with second balls, and the second balls are rollingly connected to the outer wall of the pipe.

[0013] Beneficial effects of the present invention: (1) The present invention provides two clamping mechanisms on the bottom plate to clamp the inspected pipe on the bottom plate, provides a rubber sleeve on the pipe, and provides a slide bar with a rubber strip on the bottom plate. The slide bar slides on the bottom plate by driving a screw rod. When inspecting the pipe, the slide bar can be driven to drive the pipe to rotate on the two positioning mechanisms and slide on the probe at the same time, so as to facilitate the inspection work.

[0014] (2) The rubber strip of the present invention is connected to the slide bar through a mounting plate. A pointer is provided on the mounting plate and a scale line is provided on the upper end of the bottom plate to ensure that the staff can adjust the rotation angle of the pipeline when manually rotating the pipeline, thereby facilitating the understanding of which areas of the pipeline welding have been inspected, thereby facilitating the flaw detection work.

[0015] (3) When in use, the positioning mechanism provided in the present invention can align the welding points of the two positioning plates and the pipeline, thereby conveniently and quickly aligning the welding points of the probe and the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 A schematic diagram of the external structure provided by the present invention; Figure 2 A front cutaway view provided for the present invention; Figure 3 A side cutaway view of the clamping mechanism provided by the present invention; Figure 4 A top view cutaway diagram of the clamping mechanism provided by the present invention; Figure 5 A schematic diagram of the positioning mechanism structure provided by the present invention; Figure 6 This is a schematic diagram of the structure of the slide bar provided by the present invention in the slide groove.

[0018] In the figure: 1, bottom plate; 2, positioning mechanism; 21, fixing bar; 22, limiting groove; 23, slide seat; 24, positioning plate; 25, limiting block; 3, pipeline; 4, rubber sleeve; 5, clamping mechanism; 51, vertical plate; 52, arc plate; 53, first ball; 54, lifting groove; 55, first slide bar; 56, first spring; 57, first slider; 58, lifting plate; 59, second slider; 510, sleeve plate; 511, slide plate; 512, push block; 513, moving groove; 514, second slide bar; 515, third slider; 516, fixing rod; 517, second ball; 518, second spring; 6, flaw detector; 7, probe; 8, holder; 9, slide groove; 10, slide bar; 11, driving screw; 12, turntable; 13, mounting plate; 14, rubber strip; 15, pointer; 16, scale line. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0020] like Figure 1-Figure 6As shown, a TA22 titanium alloy pipe flaw detection device of the present invention comprises a bottom plate 1, a pipe 3 is installed in the middle of the upper end of the bottom plate 1 through a positioning mechanism 2, one end of the pipe 3 is sleeved with a rubber sleeve 4, a plurality of holes are opened at equal intervals on the circumferential outer wall of the rubber sleeve 4, clamping mechanisms 5 are installed on both sides of the upper end of the bottom plate 1, a flaw detector 6 is installed on one of the clamping mechanisms 5, a probe 7 is connected to the flaw detector 6 through a wire, the upper end of the probe 7 is against the outer wall of the lower end of the pipe 3, the lower end of the probe 7 is clamped with a clamping seat 8, and the clamping seat 8 is clamped on the lower end of the probe 7. The seat 8 is fixedly connected to the upper end of the bottom plate 1, and a scale line 16 is provided on one side of the upper end of the bottom plate 1. A slide groove 9 is provided on one side of the upper end of the bottom plate 1. The slide groove 9 is located on the side of the scale line 16 close to the middle of the bottom plate 1. The cross section of the slide groove 9 is a convex structure and the back is in a through state. A slide bar 10 is slidably connected to the inside of the slide groove 9. The distance between the front and rear sides of the slide bar 10 is smaller than the distance between the front and rear sides of the slide groove 9. The shape of the slide bar 10 matches the shape of the slide groove 9. A driving screw 11 is penetrated through the middle of the slide bar 10 and is threadedly connected. The positive end of the driving screw 11 One end of the surface penetrates and is rotatably connected to the front side wall of the slide groove 9, and a turntable 12 is fixedly connected to the front end of the driving screw 11. A plurality of friction grooves are evenly spaced on the circumferential outer wall of the turntable 12. The upper end of the slide bar 10 is fixedly connected to a rubber strip 14 through a mounting plate 13. The upper end of the rubber strip 14 abuts against the lower end of the rubber sleeve 4. A pointer 15 is fixedly connected to the front side of the mounting plate 13 near the scale line 16; the positioning mechanism 2 includes a fixing strip 21, which is longitudinally fixedly connected to the middle part of the upper end of the bottom plate 1, and the fixing strip 21 and the probe The heads 7 are close to one side and butted against each other. The front and rear parts of both sides of the fixing strip 21 are provided with limiting grooves 22. The front and rear sides of the upper end of the fixing strip 21 are slidably connected with slide seats 23. The slide seats 23 are concave structures with openings facing downward. The upper ends of the slide seats 23 are vertically fixedly connected with positioning plates 24. The positioning plates 24 are butted against the outer wall of the pipe 3. The inner walls of both sides of the slide seats 23 are fixedly connected with limiting blocks 25. The limiting blocks 25 are slidably connected in the limiting grooves 22 on the same side. The distance between the two sides of the positioning plate 24 is the same as the distance between the two sides of the fixing strip 21.The clamping mechanism 5 includes a set of vertical plates 51, each set of vertical plates 51 is provided with two and symmetrical about the pipeline 3, the flaw detector 6 is hung on one of the vertical plates 51 located on the front of the upper end of the bottom plate 1, and the lower ends of the two vertical plates 51 in the same group are fixedly connected with an arc plate 52 on the side close to each other, and the arc plates 52 are opened upward and sleeved on the outside of the pipeline 3. A plurality of first balls 53 are evenly spaced and rollingly connected on the inner wall of the arc plate 52, and the upper ends of the two vertical plates 51 in the same group are provided with a lifting groove 54, and the middle of the lifting groove 54 is vertically connected. The first slide bar 55 is fixedly connected to the upper end of the first slide bar 55, and the first spring 56 and the first slider 57 are sleeved on the outer side of the lower end of the first slide bar 55. The upper ends of the two vertical plates 51 in the same group are slidably connected to the lifting plate 58. The front and rear sides of the lifting plate 58 are fixedly connected to the second slider 59. The second slider 59 is sleeved and slidably connected to the first slide bar 55 on the same side. The upper ends of the lifting plates 58 are fixedly connected to the sleeve plates 510. The front and rear sides of the sleeve plates 510 are slidably connected to the slide plates 511. The slide plates 511 are away from the corresponding sleeve plates 510. One side of the middle is inserted into the inner wall of the lifting groove 54 on the same side, and the sliding plate 511 is fixedly connected to a pushing block 512 on one side close to the middle of the corresponding sleeve plate 510. The pushing blocks 512 are all T-shaped structures. The pushing blocks 512 are slidably connected to the upper outer wall of the sleeve plate 510 on the same side. The front and rear sides of the lower end of the lifting plate 58 are provided with moving grooves 513. The interior of the moving grooves 513 is longitudinally fixedly connected with a second sliding rod 514. The middle part of the second sliding rod 514 is sleeved with a sliding third sliding block 515. The lower The ends of the second slide bar 514 are fixedly connected with a fixing rod 516, the upper ends of the fixing rods 516 are against the lower ends of the lifting plates 58 on the same side, the two fixing rods 516 on the same lifting plate 58 are symmetrically arranged about the pipe 3, the lower ends of the fixing rods 516 are rollingly connected with second balls 517, the second balls 517 are rollingly connected to the outer wall of the pipe 3, the front and rear ends of the second slide bar 514 are sleeved with second springs 518, and the two ends of the second springs 518 are respectively fixedly connected to the inner wall of the corresponding moving groove 513 and the third slider 515 on the same side. ;

[0021] Specifically, the lower ends of the first springs 56 are fixedly connected to the lower inner walls of the corresponding lifting grooves 54, the first sliders 57 are slidably connected to the corresponding first slide bars 55, the lower ends of the first sliders 57 are fixedly connected to the upper ends of the first springs 56 on the same side, and the upper ends of the first sliders 57 are against the lower ends of the second sliders 59 on the same side, which can support the second sliders 59 when in use and automatically lift the lifting plate 58 when replacing the pipeline 3.

[0022] During flaw detection, a layer of coupling agent is applied to the welding part of the pipe 3, and the pipe 3 is placed on the two arc plates 52, so that the two positioning plates 24 move toward each other until they are against the outer wall of the pipe 3. At this time, the probe 7 is against the outer wall of the lower end of the pipe 3, and then the pipe 3 is slid horizontally to align the welding part on the pipe 3 with the two positioning plates 24 close to the flaw detector 6, so that the probe 7 and the welding part on the pipe 3 are aligned, and the lifting plate 58 is pressed downward. During this process, the first spring 56 is continuously pressed, and the two fixing rods 516 will move in the opposite direction. The second balls 517 on the two fixing rods 516 will be tightly against the outer wall of the pipe 3, and the first balls 53 on the arc plate 52 support the pipe 3, so as to clamp the pipe 3, and push the two pushing blocks 512 in the opposite direction, and insert the slide plate 511 on the same side. On the vertical plate 51, fix the position of the lifting plate 58, put the rubber sleeve 4 on the pipe 3, ensure that the rubber sleeve 4 is located directly above the slide groove 9, and rotate the driving screw 11 through the turntable 12. The driving screw 11 drives the slide bar 10 to move in the direction close to the pipe 3 until the rubber strip 14 is against the rubber sleeve 4, start the flaw detector 6, and make the probe 7 detect the welding part of the pipe 3. At the same time, the turntable 12 can continue to be rotated. The friction generated between the rubber strip 14 and the rubber sleeve 4 will drive the pipe 3 to rotate on the arc plate 52, and the upper end of the rubber strip 14 will sink into the hole on the rubber sleeve 4, which can not only increase the friction, but also make the pipe 3 not easy to move laterally. The staff can watch the waveform displayed on the flaw detector 6 to understand whether there is damage or leakage at the welding part of the pipe 3.

[0023] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A TA22 titanium alloy pipe flaw detection device, comprising a bottom plate (1), characterized in that: A pipe (3) is installed in the middle of the upper end of the base plate (1) via a positioning mechanism (2), one end of the pipe (3) is sleeved with a rubber sleeve (4), a plurality of holes are opened at equal intervals on the circumferential outer wall of the rubber sleeve (4), clamping mechanisms (5) are installed on both sides of the upper end of the base plate (1), one of the clamping mechanisms (5) is installed with a flaw detector (6), the flaw detector (6) is connected to a probe (7) via a wire, the upper end of the probe (7) is against the outer wall of the lower end of the pipe (3), the lower end of the probe (7) is clamped with a holder (8), the holder (8) is fixedly connected to the upper end of the base plate (1), and one side of the upper end of the base plate (1) is provided with a A scale line (16) is arranged, a slide groove (9) is provided on one side of the upper end of the base plate (1), the slide groove (9) is located on the side of the scale line (16) close to the middle of the base plate (1), the cross section of the slide groove (9) is a convex structure and the back side is in a through state, the interior of the slide groove (9) is slidably connected with a slide bar (10), the middle part of the slide bar (10) is penetrated and threadedly connected with a driving screw (11), the upper end of the slide bar (10) is fixedly connected with a rubber strip (14) through a mounting plate (13), the upper end of the rubber strip (14) is against the lower end of the rubber sleeve (4), and the front side of the mounting plate (13) close to the scale line (16) is fixedly connected with a pointer (15); The positioning mechanism (2) comprises a fixing strip (21), the fixing strip (21) being longitudinally fixedly connected to the middle part of the upper end of the bottom plate (1), the fixing strip (21) and the probe (7) being close to each other on one side, limiting grooves (22) being provided at the front and rear parts of both sides of the fixing strip (21), the front and rear sides of the upper end of the fixing strip (21) being slidably connected to a slide seat (23), the slide seat (23) being a concave structure with an opening facing downward, the upper end of the slide seat (23) being vertically fixedly connected to a positioning plate (24), the positioning plate (24) being against the outer wall of the pipe (3), the positioning plate (24) being against the outer wall of the pipe (3), and the distance between the two sides of the positioning plate (24) being the same as the distance between the two sides of the fixing strip (21); The clamping mechanism (5) comprises a group of vertical plates (51), each group of the vertical plates (51) is provided with two and symmetrical with respect to the pipeline (3), the flaw detector (6) is hung on one of the vertical plates (51) located on the front of the upper end of the bottom plate (1), and the lower ends of the two vertical plates (51) in the same group that are close to each other are commonly fixedly connected with an arc plate (52), the arc plates (52) are opened upward and are sleeved on the outer side of the pipeline (3), and the inner wall of the arc plate (52) is evenly spaced and rollingly connected with A plurality of first balls (53); upper ends of two vertical plates (51) in the same group that are close to each other are provided with a lifting groove (54); the middle of the lifting groove (54) is vertically fixedly connected to a first slide bar (55); the lower end of the first slide bar (55) is sleeved with a first spring (56) and a first slider (57); upper ends of two vertical plates (51) in the same group that are close to each other are slidably connected to a lifting plate (58); the front and rear sides of the lifting plate (58) are fixedly connected to a second slider ( 59), the second sliding block (59) is sleeved and slidably connected to the first sliding bar (55) on the same side, the upper end of the lifting plate (58) is fixedly connected to the sleeve plate (510), the inner front and rear sides of the sleeve plate (510) are slidably connected to the sliding plate (511), the side of the sliding plate (511) away from the middle of the corresponding sleeve plate (510) is inserted into the inner wall of the lifting groove (54) on the same side, and the front and rear sides of the lower end of the lifting plate (58) are provided with moving grooves (513), and the moving grooves A second slide bar (514) is longitudinally fixedly connected inside (513), a third sliding block (515) is slidably sleeved in the middle of the second sliding bar (514), a fixed rod (516) is fixedly connected to the lower end of the third sliding block (515), and a second spring (518) is sleeved on the outer side of the front and rear ends of the second sliding bar (514), and both ends of the second spring (518) are respectively fixedly connected to the inner wall of the corresponding moving groove (513) and the third sliding block (515) on the same side.

2. A TA22 titanium alloy pipe flaw detection device according to claim 1, characterized in that: Limit blocks (25) are fixedly connected to the inner walls on both sides of the slide seat (23), and the limit blocks (25) are slidably connected to the limit grooves (22) on the same side.

3. A TA22 titanium alloy pipe flaw detection device according to claim 1, characterized in that: A push block (512) is fixedly connected to one side of the slide plate (511) close to the middle of the corresponding sleeve plate (510); the push blocks (512) are all T-shaped structures; and the push blocks (512) are slidably connected to the upper outer wall of the sleeve plate (510) on the same side.

4. The TA22 titanium alloy pipe flaw detection device according to claim 1, characterized in that: One front end of the driving screw rod (11) penetrates and is rotatably connected to the front side wall of the slide groove (9), and one front end of the driving screw rod (11) is fixedly connected to a turntable (12), and a plurality of friction grooves are formed on the circumferential outer wall of the turntable (12) at equal intervals.

5. The TA22 titanium alloy pipe flaw detection device according to claim 1, characterized in that: The lower ends of the first springs (56) are fixedly connected to the lower inner walls of the corresponding lifting slots (54); the first sliders (57) are slidably connected to the corresponding first slide bars (55); the lower ends of the first sliders (57) are fixedly connected to the upper ends of the first springs (56) on the same side; and the upper ends of the first sliders (57) abut against the lower ends of the second sliders (59) on the same side.

6. A TA22 titanium alloy pipe flaw detection device according to claim 1, characterized in that: The distance between the front and rear sides of the slide bar (10) is smaller than the distance between the front and rear sides of the slide groove (9), and the shape of the slide bar (10) matches the shape of the slide groove (9).

7. The TA22 titanium alloy pipe flaw detection device according to claim 1, characterized in that: The upper ends of the fixing rods (516) are both against the lower ends of the lifting plates (58) on the same side, and the two fixing rods (516) on the same lifting plate (58) are both symmetrically arranged with respect to the pipeline (3).

8. The TA22 titanium alloy pipe flaw detection device according to claim 1, characterized in that: The lower ends of the fixing rods (516) are rollingly connected to second balls (517), and the second balls (517) are rollingly connected to the outer wall of the pipe (3).

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