Spiral pipe fitting scanning device

Abstract

The utility model belongs to the field of workpiece nondestructive scanning detection equipment, and particularly relates to a spiral pipe fitting scanning device which comprises a base, a receiver and a scanning head. Scanning frames are arranged on the two sides of the base; driving seats are fixedly connected to the two sides of the top of the base; a screw rod is rotationally connected into the driving seat; a driving motor is fixedly connected to the base; during use, the receiver is located outside the steel pipe for receiving, the gear motor drives the driving roller to rotate so as to drive the steel pipe to rotate, and the scanning head spirally moves relative to the inner wall of the steel pipe by means of rotation of the steel pipe and continuous depth of the scanning head. Therefore, the scanning range can be enlarged, the missing scanning detection area is reduced, the detection effect is improved, the scanning frames are arranged on the two sides of the base, and when a long steel pipe is scanned, the scanning frames can conduct scanning from the two ends respectively.

Description

Technical Field

[0001] The utility model relates to the field of workpiece non-destructive scanning detection equipment, in particular to a spiral pipe fitting scanning device. Background Technique

[0002] DRCT scanning is one of the steel pipe flaw detection scanning technologies, which relies on X-rays to penetrate the steel pipe for non-destructive testing.

[0003] In the current prior art, in order to ensure the quality of steel pipes before leaving the factory, workers need to perform DRCT scanning on the steel pipes. The scanning mainly relies on the scanning head to emit X-rays to pass through the pipe wall of the steel pipe, and then the X-rays are interpreted by the receiver located outside. The receiver outputs corresponding data information and is displayed on the display console of the DRCT scanning device, so as to detect the defects or structures inside the object.

[0004] However, during the scanning process of the scanning head inside the steel pipe in the current prior art, the scanning range is small, and it is easy to have missed scanning areas, which affects the scanning detection effect. Therefore, a spiral pipe fitting scanning device is proposed for the above problems. Content of the Utility Model

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background technique, the utility model proposes a spiral pipe fitting scanning device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a spiral pipe fitting scanning device described in the utility model includes a base, a receiver and a scanning head; scanning frames are arranged on both sides of the base; driving seats are fixedly connected to both sides of the top of the base; a lead screw is rotatably connected inside the driving seat; a driving motor is fixedly connected to the base; the output end of the driving motor is fixedly connected to the lead screw; a moving seat is slidably connected to the driving seat; the lead screw passes through the moving seat and is connected to it through a ball screw nut pair; the scanning frame is arranged on the top of the moving seat; two support arms are arranged on the side of the scanning frame; the scanning head and the receiver are respectively installed on the two support arms; a rotating component is arranged on the top of the base, and the rotating component can drive the pipe to rotate. By relying on the rotation of the steel pipe and the continuous penetration of the scanning head, the scanning head moves in a spiral shape relative to the inner wall of the steel pipe, so as to increase the scanning range, thereby reducing the missed scanning detection area and improving the detection effect. Scanning frames are arranged on both sides of the base. When scanning a steel pipe with a longer length, it can be scanned from both ends respectively.

[0007] Preferably, the rotating component includes a support; a driving roller is rotatably connected to the top of the support; a reduction motor is fixedly connected to the side of the support; the output end of the reduction motor is fixedly connected to the driving roller.

[0008] Preferably, a pair of adjusting arms are fixedly connected to the top of the scanning frame; the support arm is slidably connected to the adjusting arm; a multi-stage hydraulic cylinder is fixedly connected to the adjusting arm; the output end of the multi-stage hydraulic cylinder is fixedly connected to the support arm; the receiver is located on the side of the scanning head.

[0009] Preferably, a fixing frame is fixedly connected to the support; a pair of downward pressing hydraulic cylinders are fixedly connected to the top of the fixing frame; the output end of the downward pressing hydraulic cylinder is fixedly connected to a wheel seat; a downward pressing wheel is rotatably connected to the bottom of the wheel seat; the downward pressing wheel is located above the driving roller.

[0010] Preferably, a chute is provided inside the moving seat; a guide rail is fixedly connected to the scanning frame at a position corresponding to the chute; the bottom of the scanning frame is slidably connected to the chute; a lifting hydraulic cylinder is fixedly connected to the moving seat; the output end of the lifting hydraulic cylinder is fixedly connected to the scanning frame. By controlling the lifting hydraulic cylinder, the height of the scanned part can be adjusted, and then the heights of the receiver and the scanning head can be adjusted, so as to facilitate the adaptation to steel pipes of different sizes.

[0011] Preferably, a pair of limiting hydraulic cylinders are fixedly connected to the top of the base; the support is located between the pair of limiting hydraulic cylinders; the output end of the limiting hydraulic cylinder is fixedly connected to a limiting seat; a pulley is rotatably connected to the limiting seat. With the above settings, axial movement of the steel pipe can be reduced during the rotation of the steel pipe.

[0012] Preferably, a scraper is provided on the side of the fixing frame; the scraper is located above the driving roller; the scraper is inclined; the scraper is located above the driving roller; a rubber pad is fixedly connected to the top of the scraper. The foreign matters on the surface of the steel pipe can be scraped off by the scraper, so as to reduce the entry of these foreign matters onto the surface of the driving roller, and further prevent the surface of the driving roller from slipping.

[0013] Preferably, a fastening seat is fixedly connected to the fixing frame; an adjustment groove is provided on the scraper at a position corresponding to the fastening seat; a bolt is threadedly connected to the side of the fastening seat.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. The utility model is provided with a base, a driving seat, a lead screw, a moving seat, a scanning frame, a support arm, a support, a driving roller and a reduction motor. When in use, the lead screw is rotated by relying on the driving motor, so as to drive the moving seat and the scanning frame to move, so that the scanning head is inserted into the interior of the steel pipe, and the receiver is located outside the steel pipe for receiving. At the same time, the reduction motor drives the driving roller to rotate, so as to drive the steel pipe to rotate. By relying on the rotation of the steel pipe and the continuous penetration of the scanning head, the scanning head moves in a spiral shape relative to the inner wall of the steel pipe, which can improve the scanning range, thereby reducing the area of missed scanning detection and improving the detection effect. Scanning frames are arranged on both sides of the base. When scanning a steel pipe with a relatively long length, it can be scanned from both ends respectively;

[0016] 2. The utility model is provided with a fixing frame, a pressing hydraulic cylinder, a wheel seat and a pressing wheel. When rotating the steel pipe, the pressing hydraulic cylinder is started, and the pressing hydraulic cylinder drives the wheel seat and the pressing wheel to move downward, so as to squeeze the surface of the steel pipe, thereby increasing the contact pressure between the driving roller and the steel pipe, and then facilitating the driving roller to drive the steel pipe to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 is the structural schematic diagram of the present utility model;

[0019] Figure 2 is the structural schematic diagram of the fixing frame of the present utility model;

[0020] Figure 3 is the structural schematic diagram of the scraping plate of the present utility model;

[0021] Figure 4 is the structural schematic diagram of the support arm of the present utility model.

[0022] In the figure: 11, base; 12, driving seat; 13, lead screw; 14, driving motor; 15, moving seat; 16, scanning frame; 17, receiver; 18, scanning head; 19, support arm; 21, support; 22, driving roller; 23, reduction motor; 31, multi-stage hydraulic cylinder; 32, adjusting arm; 41, fixing frame; 42, pressing hydraulic cylinder; 43, wheel seat; 44, pressing wheel; 51, guide rail; 52, lifting hydraulic cylinder; 61, limiting hydraulic cylinder; 62, limiting seat; 63, pulley; 71, scraping plate; 72, rubber pad; 81, fastening seat; 82, bolt. Detailed implementation mode

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0024] The following gives specific embodiments.

[0025] Please refer to Figures 1-4 As shown, a spiral pipe fitting scanning device includes a base 11, a receiver 17 and a scanning head 18; scanning frames 16 are provided on both sides of the base 11; drive seats 12 are fixedly connected to both sides of the top of the base 11; a lead screw 13 is rotatably connected inside the drive seat 12; a drive motor 14 is fixedly connected to the base 11; the output end of the drive motor 14 is fixedly connected to the lead screw 13; a moving seat 15 is slidably connected to the drive seat 12; the lead screw 13 passes through the moving seat 15 and is connected to it through a ball screw 13 nut pair; the scanning frame 16 is arranged on the top of the moving seat 15; two support arms 19 are provided on the side of the scanning frame 16; the scanning head 18 and the receiver 17 are respectively installed on the two support arms 19; a rotating assembly is provided on the top of the base 11, and the rotating assembly can drive the pipe to rotate; the rotating assembly includes a support 21; a driving roller 22 is rotatably connected to the top of the support 21; a reduction motor 23 is fixedly connected to the side of the support 21; the output end of the reduction motor 23 is fixedly connected to the driving roller 22;

[0026] During use, the staff places the steel pipe on the driving roller 22 at the top of the support 21, and then relies on the drive motor 14 to drive the lead screw 13 to rotate, so as to drive the moving seat 15 and the scanning frame 16 to move, so that the scanning head 18 is inserted into the inside of the steel pipe, and the receiver 17 is located outside the steel pipe for reception. At the same time, rely on the reduction motor 23 to drive the driving roller 22 to rotate, so as to drive the steel pipe to rotate. Rely on the rotation of the steel pipe and the continuous penetration of the scanning head 18, so that the scanning head 18 moves in a spiral shape relative to the inner wall of the steel pipe, which can improve the scanning range, thereby reducing the area of missed scanning detection and improving the detection effect. Scanning frames 16 are provided on both sides of the base 11. When scanning a steel pipe with a longer length, it can be scanned from both ends respectively.

[0027] Further, as Figure 2 and 4As shown, a pair of adjusting arms 32 are fixedly connected to the top of the scanning frame 16; the support arm 19 is slidably connected to the adjusting arm 32; multiple-stage hydraulic cylinders 31 are fixedly connected to the adjusting arm 32; the output end of the multiple-stage hydraulic cylinders 31 is fixedly connected to the support arm 19; the receiver 17 is located on the side of the scanning head 18; during use, the contraction of the multiple-stage hydraulic cylinders 31 will drive the support arm 19 to slide within the adjusting arm 32, thereby extending the support arm 19, so as to facilitate the scanning and detection of longer steel pipes, improve the adaptation range, and facilitate use.

[0028] Further, as Figure 3 shown, a fixing frame 41 is fixedly connected to the support 21; a pair of pressing hydraulic cylinders 42 are fixedly connected to the top of the fixing frame 41; the output end of the pressing hydraulic cylinders 42 is fixedly connected to a wheel seat 43; a pressing wheel 44 is rotatably connected to the bottom of the wheel seat 43; the pressing wheel 44 is located on the top of the driving roller 22; when rotating the steel pipe, start the pressing hydraulic cylinder 42, and the pressing hydraulic cylinder 42 will drive the wheel seat 43 and the pressing wheel 44 to move downward, thereby pressing the surface of the steel pipe, so as to increase the contact pressure between the driving roller 22 and the steel pipe, and further facilitate the driving roller 22 to drive the steel pipe to rotate.

[0029] Further, as Figure 3 shown, a chute is provided inside the moving seat 15; a guide rail 51 is fixedly connected to the corresponding position of the scanning frame 16 and the chute; the bottom of the scanning frame 16 is slidably connected to the chute; a lifting hydraulic cylinder 52 is fixedly connected to the moving seat 15; the output end of the lifting hydraulic cylinder 52 is fixedly connected to the scanning frame 16; during use, the staff can adjust the height of the scanning part by controlling the lifting hydraulic cylinder 52, and then adjust the height of the receiver 17 and the scanning head 18, so as to facilitate adaptation to steel pipes of different sizes, and when placing the steel pipe, lifting the scanning frame 16 can facilitate the steel pipe to pass through the bottom of the scanning frame 16 and be placed on the driving roller 22.

[0030] Further, as Figure 2 shown, a pair of limiting hydraulic cylinders 61 are fixedly connected to the top of the base 11; the support 21 is located between the pair of limiting hydraulic cylinders 61; the output end of the limiting hydraulic cylinders 61 is fixedly connected to a limiting seat 62; a pulley 63 is rotatably connected to the limiting seat 62; during detection, start the limiting hydraulic cylinders 61, the limiting hydraulic cylinders 61 contract, and then drive the two limiting seats 62 to approach each other, thereby clamping and limiting the steel pipe, and further reducing the axial movement of the steel pipe during the rotation of the steel pipe. The pulley 63 can rotate, which is used to reduce the friction force between the contact surfaces at the ends of the steel pipe.

[0031] Further, as Figure 3As shown, a scraper 71 is provided on the side of the fixing frame 41; the scraper 71 is located at the top of the driving roller 22; the scraper 71 is inclined; the scraper 71 is located at the top of the driving roller 22; a rubber pad 72 is fixedly connected to the top of the scraper 71; during use, the scraper 71 is attached to the surface of the steel pipe, and then the foreign matters on the surface of the steel pipe can be scraped off by relying on the scraper 71, so as to reduce the entry of these foreign matters onto the surface of the driving roller 22, thereby causing the surface of the driving roller 22 to slip. The rubber pad 72 is used to improve the degree of fit with the surface of the steel pipe.

[0032] Further, as Figure 3 shown, a fastening seat 81 is fixedly connected to the fixing frame 41; an adjustment groove is provided at a position corresponding to the fastening seat 81 on the scraper 71; a bolt 82 is threadedly connected to the side of the fastening seat 81; during use, when measuring steel pipes of different diameters, the staff can push the scraper 71 so that the scraper 71 can be attached to the surface of the steel pipe. At the same time, the fastening seat 81 slides correspondingly in the adjustment groove of the scraper 71. After the adjustment is completed, the bolt 82 is tightened to fix the scraper 71.

[0033] Working principle: During use, the staff place the steel pipe on the driving roller 22 at the top of the support 21. Then, rely on the driving motor 14 to drive the screw rod 13 to rotate, so as to drive the moving seat 15 and the scanning frame 16 to move, so that the scanning head 18 is inserted into the inside of the steel pipe, and the receiver 17 is located outside the steel pipe for reception. At the same time, rely on the reduction motor 23 to drive the driving roller 22 to rotate, so as to drive the steel pipe to rotate. Rely on the rotation of the steel pipe and the continuous penetration of the scanning head 18, so that the scanning head 18 moves in a spiral shape relative to the inner wall of the steel pipe, which can improve the scanning range, thereby reducing the area of missed scanning detection and improving the detection effect. Scanning frames 16 are provided on both sides of the base 11. When scanning a steel pipe with a longer length, it can be scanned from both ends respectively. The contraction of the multi-section hydraulic cylinder 31 will drive the support arm 19 to slide in the adjusting arm 32, so as to extend the support arm 19, so as to facilitate the scanning detection of the longer steel pipe, improve the adaptation range and facilitate use. When rotating the steel pipe, start the pressing hydraulic cylinder 42, and the pressing hydraulic cylinder 42 will drive the wheel seat 43 and the pressing wheel 44 to move downward, so as to squeeze the surface of the steel pipe, thereby increasing the contact pressure between the driving roller 22 and the steel pipe, and then facilitating the driving roller 22 to drive the steel pipe to rotate. The staff can adjust the height of the scanning part by controlling the lifting hydraulic cylinder 52, and then adjust the heights of the receiver 17 and the scanning head 18, so as to facilitate adaptation to steel pipes of different sizes. And when placing the steel pipe, lifting the scanning frame 16 can facilitate the steel pipe to pass through the bottom of the scanning frame 16 and be placed on the driving roller 22. During detection, start the limit hydraulic cylinder 61, and the limit hydraulic cylinder 61 contracts, and then drives the two limit seats 62 to approach each other, so as to clamp and limit the steel pipe, thereby reducing the axial movement of the steel pipe during the rotation of the steel pipe. The pulley 63 can rotate, and it is used to reduce the friction force between the contact surface of the steel pipe end. The scraping plate 71 is attached to the surface of the steel pipe, and then rely on the scraping plate 71 to scrape off the foreign matters on the surface of the steel pipe, so as to reduce the entry of these foreign matters onto the surface of the driving roller 22, and then cause the surface of the driving roller 22 to slip. The rubber pad 72 is used to improve the degree of fit of the steel pipe surface. When measuring steel pipes with different diameters, the staff can push the scraping plate 71 so that the scraping plate 71 can be attached to the surface of the steel pipe. At the same time, the fastening seat 81 slides correspondingly in the adjustment groove of the scraping plate 71. After the adjustment is completed, tighten the bolt 82 to fix the scraping plate 71.

[0034] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

[0035] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A spiral pipe fitting scanning device, comprising a base (11), a receiver (17) and a scanning head (18); scanning frames (16) are arranged on both sides of the base (11); characterized in that: On both sides of the top of the base (11), driving seats (12) are fixedly connected; a lead screw (13) is rotatably connected inside the driving seat (12); a driving motor (14) is fixedly connected to the base (11); the output end of the driving motor (14) is fixedly connected to the lead screw (13); a moving seat (15) is slidably connected to the driving seat (12); the lead screw (13) penetrates through the moving seat (15) and is connected to it through a ball screw (13) nut pair; the scanning frame (16) is arranged on the top of the moving seat (15); two support arms (19) are arranged on the side of the scanning frame (16); the scanning head (18) and the receiver (17) are respectively installed on the two support arms (19); a rotating assembly is arranged on the top of the base (11), and the rotating assembly can drive the pipeline to rotate.

2. The spiral pipe fitting scanning device according to claim 1, characterized in that: The rotating assembly includes a support (21); a driving roller (22) is rotatably connected to the top of the support (21); a reduction motor (23) is fixedly connected to the side of the support (21); the output end of the reduction motor (23) is fixedly connected to the driving roller (22).

3. The spiral pipe fitting scanning device according to claim 2, characterized in that: A pair of adjusting arms (32) are fixedly connected to the top of the scanning frame (16); the support arm (19) is slidably connected to the adjusting arm (32); a multi-stage hydraulic cylinder (31) is fixedly connected to the adjusting arm (32); the output end of the multi-stage hydraulic cylinder (31) is fixedly connected to the support arm (19); the receiver (17) is located on the side of the scanning head (18).

4. The spiral pipe fitting scanning device according to claim 2, wherein: A fixing frame (41) is fixedly connected to the support (21); a pair of pressing hydraulic cylinders (42) are fixedly connected to the top of the fixing frame (41); a wheel seat (43) is fixedly connected to the output end of the pressing hydraulic cylinder (42); a pressing wheel (44) is rotatably connected to the bottom of the wheel seat (43); the pressing wheel (44) is located on the top of the driving roller (22).

5. The spiral pipe fitting scanning device according to claim 2, wherein: A chute is formed inside the moving seat (15); a guiding rail (51) is fixedly connected to the scanning frame (16) at a position corresponding to the chute; the bottom of the scanning frame (16) is slidably connected to the chute; a lifting hydraulic cylinder (52) is fixedly connected to the moving seat (15); the output end of the lifting hydraulic cylinder (52) is fixedly connected to the scanning frame (16).

6. The spiral pipe fitting scanning device according to claim 4, characterized in that: A pair of limiting hydraulic cylinders (61) are fixedly connected to the top of the base (11); the support (21) is located between the pair of limiting hydraulic cylinders (61); a limiting seat (62) is fixedly connected to the output end of the limiting hydraulic cylinder (61); a pulley (63) is rotatably connected to the limiting seat (62).

7. The spiral pipe fitting scanning device according to claim 4, characterized in that: A scraper (71) is arranged on the side of the fixing frame (41); the scraper (71) is located on the top of the driving roller (22); the scraper (71) is inclined; a rubber pad (72) is fixedly connected to the top of the scraper (71).

8. A spiral pipe fitting scanning device according to claim 7, characterized in that: A fastening seat (81) is fixedly connected to the fixing frame (41); an adjusting groove is formed in the scraper (71) at a position corresponding to the fastening seat (81); a bolt (82) is threadedly connected to the side of the fastening seat (81).

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