Flaw detection device for seamless steel tube processing

Abstract

The utility model relates to the technical field of seamless steel tube processing, in particular to a flaw detection device for seamless steel tube processing, which comprises a base, a mounting column is mounted at one end of the top of the base, an adjusting and positioning mechanism is mounted on the mounting column, a fixing seat is mounted at one end of the adjusting and positioning mechanism, and a limiting component is mounted on the fixing seat. A limiting assembly is installed on the base, two sets of clamping plates are installed on the limiting assembly, a fixing frame is installed on one side of the base, a movable assembly is installed on the fixing frame, a flaw detection head is installed on the movable assembly, the adjusting and positioning mechanism comprises an adjusting assembly and a locking assembly, and the adjusting assembly is used for adjusting a rotatably clamped seamless steel pipe. The locking assembly is used for locking the adjusted angle position; the device is simple in structure and convenient to operate, workers do not need to repeatedly take and place the steel pipe to change the detection surface when the detection surface is changed, the labor capacity of the workers is reduced, and the flaw detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipe processing, in particular to a flaw detection device for seamless steel pipe processing. Background Art

[0002] Seamless steel pipe is made by perforating a whole round steel. There is no weld on the surface of the steel pipe, which is called seamless steel pipe. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe, jacking pipe, etc. Seamless steel pipe is mainly used as petroleum geological drilling pipe, cracking pipe for petrochemical industry, boiler pipe, bearing pipe and high-precision structural steel pipe for automobile, tractor and aviation. When performing flaw detection, the steel pipe needs to be supported and fixed.

[0003] In order to solve the above technical problems, a Chinese patent with announcement number CN215641220U in the prior art discloses a new seamless steel pipe flaw detector, including a bottom plate, an upper side wall of the bottom plate is provided with a through groove, an inner side wall of the through groove is evenly slidably equipped with a movable plate, an upper side wall of the movable plate is symmetrically fixed with a spring front and back, a support block is fixedly installed on the upper end of the spring, an upper side wall of the support block is symmetrically provided with through holes front and back, and the inner side walls of the through holes are all plugged with fixed columns.

[0004] Although the above-mentioned existing technical solutions can achieve the effect of effectively positioning and fixing the seamless steel pipe, it is usually necessary to detect the outer wall of the seamless steel pipe for one week during flaw detection. After the seamless steel pipe is placed and positioned, if it is to be turned over, the staff needs to lift the steel pipe, deflect it to a certain angle, and then put it down again for positioning. This is relatively cumbersome, increases the workload of the staff, and affects the flaw detection efficiency. Utility Model Content

[0005] The utility model aims to provide a flaw detection device for seamless steel pipe processing to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A flaw detection device for seamless steel pipe processing comprises a base, a mounting column is installed at one end of the top of the base, an adjustment and positioning mechanism is installed on the mounting column, a fixed seat is installed at one end of the adjustment and positioning mechanism, a limit assembly is installed on the fixed seat, two sets of clamps are installed on the limit assembly, a fixed frame is installed on one side of the base, a movable assembly is installed on the fixed frame, a flaw detection head is installed on the movable assembly, the adjustment and positioning mechanism comprises an adjustment assembly and a locking assembly, the adjustment assembly is used to adjust the seamless steel pipe clamped by rotation, and the locking assembly is used to lock the angular position after adjustment.

[0008] As a preferred scheme of the utility model, the adjusting component includes a first fixed plate installed at one end of two groups of mounting columns, a rotating groove is opened on the inner side of the first fixed plate, the first fixed plate is rotatably connected to the first rotating shaft, the outer side of the first rotating shaft is rotatably connected to the adjusting plate, and multiple groups of first protrusions are arranged and installed on the outer side of the adjusting plate, a second rotating shaft is installed at one end of the first rotating shaft, and the outer side of the second rotating shaft is rotatably connected to the second fixed plate, one side of the second fixed plate is fixedly connected to one side of the first fixed plate, a movable sleeve is provided on the outer side of the other end of the second rotating shaft, a handle is installed on the end of the movable sleeve away from the second fixed plate, sliding grooves are opened on both sides of the inner wall of the movable sleeve, and sliding blocks slidably connected to the sliding grooves are installed at both ends of the outer wall of the second rotating shaft.

[0009] As a preferred solution of the utility model, the locking assembly includes a reset groove opened at one end of the inner side of the first fixed plate, the inner side of the reset groove is rotatably connected to a rotating rod, a reset plate is installed on the outer side of the rotating rod, a torsion spring is installed on the rotating rod, and one group of mating ends of the first protrusion and the reset plate are provided with slopes that fit each other.

[0010] As a preferred solution of the utility model, a plurality of positioning holes are arranged on one side of the second fixed disk, a positioning column which is engaged with the positioning hole is installed on the protruding end of the movable sleeve, a magnetic block is embedded in one end of the positioning column, and an iron block which is attracted to the magnetic block is embedded in the inner wall of the positioning hole.

[0011] As a preferred scheme of the utility model, the limit assembly includes a limit seat installed at the other end of the fixed seat, a limit slot is opened on one side of the limit seat, a first threaded rod is rotatably connected to the inner side of the limit slot, both ends of the first threaded rod are threadedly connected to the limit plate, the limit plate and the limit slot are slidingly connected, one end of the limit plate is fixedly connected to one side of the clamping plate, a first motor is installed on the top of the limit seat, the driving end of the first motor extends to the inner side of the limit slot and is fixedly connected to one end of the first threaded rod, the threads on both sides of the center of the first threaded rod are opposite, and a rubber pad is embedded in the outer wall of the clamping plate.

[0012] As a preferred solution of the utility model, the movable component includes an adjustment groove opened on one side of the fixed frame, the inner side of the adjustment groove is threadedly connected to a second threaded rod, the outer side of the second threaded rod is threadedly connected to an adjustment seat, the adjustment seat and the adjustment groove are slidably connected, one side of the adjustment seat is fixedly connected to one side of the flaw detection head, a second motor is installed on one side of the fixed frame, and the driving end of the second motor extends to the inner side of the adjustment groove and is fixedly connected to one end of the second threaded rod.

[0013] As a preferred solution of the utility model, universal wheels are installed at the bottom corners of the base, and the universal wheels are lockable universal wheels. A handrail is installed on one side of the two groups of mounting columns at the top of the base.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In the utility model, the position of the steel pipe can be fixed by the limit component, and then the flaw detection head can be driven by the movable component to perform flaw detection, and then the adjustment component can be used to drive the steel pipe to change the detection surface. The positioning component can prevent people from accidentally touching the handle, causing the steel pipe to suddenly change the detection surface. The structure is simple and the operation is convenient. When changing the detection surface, there is no need for the staff to repeatedly take and put the steel pipe to change the detection surface, which reduces the workload of the staff and improves the flaw detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a front cross-sectional structural diagram of the first fixing plate of the utility model;

[0018] Figure 3 It is a partial cross-sectional structural schematic diagram of the second fixing plate and the first fixing plate of the utility model;

[0019] Figure 4 For this utility model Figure 1 Schematic diagram of the enlarged structure of part A.

[0020] In the figure: 1, base; 2, mounting column; 3, fixing seat; 4, clamping plate; 5, fixing frame; 6, flaw detection head; 7, first fixing plate; 8, first rotating shaft; 9, adjusting plate; 10, first protrusion; 11, second fixing plate; 12, movable sleeve; 13, reset plate; 14, torsion spring; 15, reset groove; 16, slope; 17, positioning column; 18, magnetic block; 19, limit seat; 20, first motor; 21, limit plate; 22, second threaded rod; 23, universal wheel; 24, sliding block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] See also Figure 1-Figure 4, the utility model provides a technical solution:

[0024] A flaw detection device for seamless steel pipe processing comprises a base 1, a mounting column 2 is installed at one end of the top of the base 1, an adjusting and positioning mechanism is installed on the mounting column 2, a fixing seat 3 is installed at one end of the adjusting and positioning mechanism, a limiting assembly is installed on the fixing seat 3, two sets of clamping plates 4 are installed on the limiting assembly, a fixing frame 5 is installed on one side of the base 1, a movable assembly is installed on the fixing frame 5, a flaw detection head 6 is installed on the movable assembly, the adjusting and positioning mechanism comprises an adjusting assembly and a locking assembly, the adjusting assembly is used to adjust the seamless steel pipe clamped by rotation, and the locking assembly is used to lock the angle position after adjustment. When in use, the device can fix the position of the steel pipe through the limiting assembly, and then the flaw detection head 6 can be driven by the movable assembly to perform flaw detection, and then the steel pipe can be driven to change the detection surface by the adjusting assembly, and the positioning assembly can prevent personnel from accidentally touching the handle, causing the steel pipe to suddenly change the detection surface, the structure is simple and easy to operate, and when changing the detection surface, there is no need for staff to repeatedly take and put the steel pipe to change the detection surface, which reduces the workload of staff and improves the efficiency of flaw detection.

[0025] In this embodiment, if Figure 1 , Figure 2 and Figure 3 As shown, the adjustment component includes a first fixed plate 7 installed at one end of the two groups of mounting columns 2, a rotating groove is provided on the inner side of the first fixed plate 7, the first fixed plate 7 is rotatably connected to the first rotating shaft 8, the outer side of the first rotating shaft 8 is rotatably connected to the adjusting plate 9, a plurality of groups of first protrusions 10 are arranged and installed on the outer side of the adjusting plate 9, a second rotating shaft is installed at one end of the first rotating shaft 8, the outer side of the second rotating shaft is rotatably connected to the second fixed plate 11, one side of the second fixed plate 11 is fixedly connected to one side of the first fixed plate 7, a movable sleeve 12 is provided on the outer side of the other end of the second rotating shaft, a handle is provided on the end of the movable sleeve 12 away from the second fixed plate 11, and sliding sleeves are provided on both sides of the inner wall of the movable sleeve 12 Groove, both ends of the outer wall of the second rotating shaft are equipped with sliding blocks 24 slidably connected to the sliding groove. First, after clamping the seamless steel pipe, use the flaw detection head 6 to observe the outer wall of the steel pipe. After the flaw detection on this surface is completed, the handle can be pulled to drive the movable sleeve 12 to cooperate with the sliding block 24 to move along the sliding groove direction, so that the positioning column 17 is pulled out of the inner side of the positioning hole, and then the handle is rotated to drive the second rotating shaft and the first rotating shaft 8 to rotate, and the adjusting disk 9 rotates accordingly, and the slope 16 of the first protrusion 10 and the slope 16 of the reset plate 13 are in contact and pressed, forcing the reset plate 13 to squeeze the torsion spring 14 to retract, and cooperate with the rotating rod to rotate into the inner side of the reset groove 15, and the first protrusion 10 can move to the next direction.

[0026] In this embodiment, if Figure 2 , Figure 3 and Figure 4As shown, the locking assembly includes a reset groove 15 opened at one end of the inner side of the first fixed disk 7, the inner side of the reset groove 15 is rotatably connected to the rotating rod, a reset plate 13 is installed on the outer side of the rotating rod, and a torsion spring 14 is installed on the rotating rod. The first protrusion 10 and one group of mating ends of the reset plate 13 are provided with slopes 16 that fit each other, and one side of the second fixed disk 11 is arranged with multiple groups of positioning holes, and the protruding end of the movable sleeve 12 is provided with a positioning column 17 that is engaged with the positioning hole, and one end of the positioning column 17 is embedded with a magnetic block 18, and the inner wall of the positioning hole is embedded with an iron block that is adsorbed by the magnetic block 18. Then, the movable sleeve 12 is pushed back to allow the positioning column 17 to be stuck in the positioning hole and the magnetic block 18 to be adsorbed by the iron block, so as to prevent the person from accidentally touching the operating handle and causing the seamless steel pipe to deflect when one side has not been detected, thereby affecting the detection result, and if the first protrusion 10 rotates in the opposite direction, it will be blocked by the other side of the reset plate 13 to prevent the seamless steel pipe from erroneously rotating to the side that has been detected.

[0027] In this embodiment, if Figure 1 , Figure 2 and Figure 3 As shown, the limit assembly includes a limit seat 19 installed at the other end of the fixed seat 3, a limit slot is provided on one side of the limit seat 19, a first threaded rod is rotatably connected to the inner side of the limit slot, both ends of the first threaded rod are threadedly connected to the limit plate 21, the limit plate 21 is slidably connected to the limit slot, one end of the limit plate 21 is fixedly connected to one side of the clamping plate 4, a first motor 20 is installed on the top of the limit seat 19, the driving end of the first motor 20 extends to the inner side of the limit slot and is fixedly connected to one end of the first threaded rod, and the first threaded rod is at both sides of the center. The threads are opposite, and a rubber pad is embedded in the outer wall of the splint 4. Furthermore, after the seamless steel pipe is placed on the outside of the two groups of splints 4, the first motor 20 is started to drive the first threaded rod to rotate, and the limit plates 21 on both sides of the first threaded rod move in opposite directions. The limit plates 21 move in opposite directions and can move synchronously with the splint 4, so that the rubber pad on the splint 4 can gradually approach the inner wall of the steel pipe and press it tightly, supporting it from the inside to achieve the positioning effect. The rubber pad can play a buffering effect between the splint 4 and the inner wall of the steel pipe to avoid crushing the inner wall of the steel pipe.

[0028] In this embodiment, if Figure 1 , Figure 2 and Figure 3As shown, the movable component includes an adjusting slot opened on one side of the fixing frame 5, the inner side of the adjusting slot is threadedly connected with a second threaded rod 22, the outer side of the second threaded rod 22 is threadedly connected with an adjusting seat, the adjusting seat and the adjusting slot are slidably connected, one side of the adjusting seat is fixedly connected to one side of the flaw detection head 6, a second motor is installed on one side of the fixing frame 5, the driving end of the second motor extends to the inner side of the adjusting slot and is fixedly connected to one end of the second threaded rod 22, universal wheels 23 are installed at the bottom corners of the base 1, the universal wheels 23 are lockable universal wheels, and an armrest is installed on one side of the two groups of mounting columns 2 at the top of the base 1. Furthermore, after the positioning is completed, the second motor can be started to drive the second threaded rod 22 to rotate so that the adjusting seat slides on the inner side of the adjusting slot, and the flaw detection head 6 also moves accordingly, and the surface of the seamless steel pipe is observed for inspection, and the armrest can cooperate with the universal wheel 23 at the bottom end of the base 1 to drive the entire device to move.

[0029] The implementation principle of the flaw detection device for seamless steel pipe processing in the embodiment of the present application is as follows: after the seamless steel pipe is clamped, the flaw detection inspection head 6 is used to observe the outer wall of the steel pipe. After the flaw detection on this surface is completed, the handle can be pulled to drive the movable sleeve 12 to cooperate with the sliding block 24 to move along the sliding groove direction, so that the positioning column 17 is pulled out of the inner side of the positioning hole, and then the handle is rotated to drive the second rotating shaft and the first rotating shaft 8 to rotate, and the adjusting disk 9 rotates accordingly. The slope 16 of the first protrusion 10 and the slope 16 of the reset plate 13 are in contact and pressed, forcing the reset plate 13 to squeeze the torsion spring 14 to retract, and cooperate with the rotating rod to rotate into the inner side of the reset groove 15. The first protrusion 10 can move to the next direction, push the movable sleeve 12 back, and let the positioning column 17 be stuck in the positioning hole. The magnetic block 18 is adsorbed on the iron block to prevent the person from accidentally touching the operating handle, causing the seamless steel pipe to deflect when one side is not fully detected, affecting the detection result, and the first If the protrusion 10 rotates in the opposite direction, it will be blocked by the other side of the reset plate 13 to prevent the seamless steel pipe from mistakenly rotating to the side that has been tested. After the seamless steel pipe is placed on the outside of the two sets of clamps 4, the first motor 20 is started to drive the first threaded rod to rotate, and the limit plates 21 on both sides of the first threaded rod move in opposite directions. The limit plates 21 move in the opposite direction and can move synchronously with the clamps 4, so that the rubber pads on the clamps 4 can gradually approach the inner wall of the steel pipe and press it tightly, supporting it from the inside to achieve the positioning effect. The rubber pads can play a buffering effect between the clamps 4 and the inner wall of the steel pipe to avoid crushing the inner wall of the steel pipe. After the positioning is completed, the second motor can be started to drive the second threaded rod 22 to rotate so that the adjusting seat slides on the inside of the adjusting groove, and the flaw detection head 6 also moves accordingly to observe the surface of the seamless steel pipe for detection. The handrail can cooperate with the universal wheel 23 at the bottom of the base 1 to drive the entire device to move.

[0030] The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flaw detection device for seamless steel pipe processing, comprising a base (1), characterized in that: A mounting column (2) is installed at one end of the top of the base (1), an adjusting and positioning mechanism is installed on the mounting column (2), a fixing seat (3) is installed at one end of the adjusting and positioning mechanism, a limiting assembly is installed on the fixing seat (3), two groups of clamping plates (4) are installed on the limiting assembly, a fixing frame (5) is installed on one side of the base (1), a movable assembly is installed on the fixing frame (5), a flaw detection head (6) is installed on the movable assembly, the adjusting and positioning mechanism comprises an adjusting assembly and a locking assembly, the adjusting assembly is used to adjust the seamless steel pipe that is rotatably clamped, and the locking assembly is used to lock the angular position after adjustment.

2. A flaw detection device for seamless steel pipe processing according to claim 1, characterized in that: The adjustment component comprises a first fixed plate (7) mounted on one end of two groups of mounting columns (2), a rotating groove is provided on the inner side of the first fixed plate (7), the first fixed plate (7) is rotatably connected to a first rotating shaft (8), an outer side of the first rotating shaft (8) is rotatably connected to an adjusting plate (9), a plurality of first protrusions (10) are arranged and mounted on the outer side of the adjusting plate (9), a second rotating shaft is mounted on one end of the first rotating shaft (8), a second fixed plate (11) is rotatably connected to the outer side of the second rotating shaft, one side of the second fixed plate (11) is fixedly connected to one side of the first fixed plate (7), a movable sleeve (12) is sleeved on the outer side of the other end of the second rotating shaft, a handle is installed on the end of the movable sleeve (12) away from the second fixed plate (11), sliding grooves are provided on both sides of the inner wall of the movable sleeve (12), and sliding blocks (24) slidably connected to the sliding grooves are installed on both ends of the outer wall of the second rotating shaft.

3. A flaw detection device for seamless steel pipe processing according to claim 2, characterized in that: The locking assembly comprises a reset groove (15) formed at one end of the inner side of the first fixed plate (7), the inner side of the reset groove (15) is rotatably connected to a rotating rod, a reset plate (13) is mounted on the outer side of the rotating rod, a torsion spring (14) is mounted on the rotating rod, and a group of mating ends of the first protrusion (10) and the reset plate (13) are both provided with mutually mating slopes (16).

4. A flaw detection device for seamless steel pipe processing according to claim 3, characterized in that: A plurality of positioning holes are arranged on one side of the second fixed disk (11); a positioning column (17) engaged with the positioning hole is installed at the protruding end of the movable sleeve (12); a magnetic block (18) is embedded in one end of the positioning column (17); and an iron block attracted by the magnetic block (18) is embedded in the inner wall of the positioning hole.

5. A flaw detection device for seamless steel pipe processing according to claim 4, characterized in that: The limit assembly includes a limit seat (19) installed at the other end of the fixed seat (3), a limit slot is provided on one side of the limit seat (19), a first threaded rod is rotatably connected to the inner side of the limit slot, both ends of the first threaded rod are threadedly connected to the limit plate (21), the limit plate (21) and the limit slot are slidably connected, one end of the limit plate (21) is fixedly connected to one side of the clamping plate (4), a first motor (20) is installed at the top end of the limit seat (19), the driving end of the first motor (20) extends to the inner side of the limit slot and is fixedly connected to one end of the first threaded rod, the threads on both sides of the center of the first threaded rod are opposite, and a rubber pad is embedded and installed on the outer wall of the clamping plate (4).

6. A flaw detection device for seamless steel pipe processing according to claim 5, characterized in that: The movable component comprises an adjustment groove formed on one side of the fixing frame (5); a second threaded rod (22) is threadedly connected to the inner side of the adjustment groove; an adjustment seat is threadedly connected to the outer side of the second threaded rod (22); the adjustment seat and the adjustment groove are slidably connected; one side of the adjustment seat is fixedly connected to one side of the flaw detection head (6); a second motor is installed on one side of the fixing frame (5); a driving end of the second motor extends to the inner side of the adjustment groove and is fixedly connected to one end of the second threaded rod (22).

7. A flaw detection device for seamless steel pipe processing according to claim 6, characterized in that: Universal wheels (23) are installed at the bottom corners of the base (1), and the universal wheels (23) are lockable universal wheels. A handrail is installed at one side of the two groups of mounting columns (2) at the top of the base (1).

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