CN114778791B - Inside fault detection equipment of seamless steel pipe of big pipe diameter - Google Patents
Inside fault detection equipment of seamless steel pipe of big pipe diameter Download PDFInfo
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- CN114778791B CN114778791B CN202210416866.5A CN202210416866A CN114778791B CN 114778791 B CN114778791 B CN 114778791B CN 202210416866 A CN202210416866 A CN 202210416866A CN 114778791 B CN114778791 B CN 114778791B
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- seamless steel
- steel pipe
- seat
- fixed
- limiting plate
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/204—Structure thereof, e.g. crystal structure
- G01N33/2045—Defects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
Abstract
The invention discloses internal flaw detection equipment for large-diameter seamless steel pipes, which comprises a stand, a limiting plate and a flaw detector body, wherein a fixed seat is arranged on one side above the stand, a movable seat is arranged on the other side above the stand, a counterweight seat is arranged on one side, close to the stand, of the stand, and a supporting plate is fixed on the top of the counterweight seat. This inside equipment of detecting a flaw of seamless steel pipe of big pipe diameter, when seamless steel pipe rotates, the guide arm drives the appearance body of detecting a flaw and carries out the sideslip, can carry out the adjustment repeatedly and detect to the local region of seamless steel pipe inner wall according to the needs that detect, rotatory regulating disk drives the appearance body of detecting a flaw and carries out the altitude mixture control, the support along the frame edge slides and changes the position of putting of counter weight seat, the effect of convenient adjustment appearance body of detecting a flaw and seamless steel pipe inner wall laminating detection, promote the movable seat on the fixed block to the direction slip of fixing base through the pneumatic cylinder for the outer wall of seamless steel pipe below is extruded to deflector roll and action wheel, conveniently carries out automatic discharge to seamless steel pipe.
Description
Technical Field
The invention relates to the technical field of flaw detection of seamless steel pipes, in particular to internal flaw detection equipment for large-diameter seamless steel pipes.
Background
The seamless steel tube is generally manufactured through the working procedures of smelting, pouring, cogging, rolling, drawing and the like, and surface and internal defects such as cracks, folds, skin warping, scratches or strains are caused on the steel tube due to improper processing operation technology, improper design of a roller or a drawing die and the like in the production process of each stage. The flaw detection is required to be carried out on the large-diameter seamless steel pipe before the large-diameter seamless steel pipe is used, so that the seamless steel pipe can be used normally, and common flaw detection equipment in the large-diameter seamless steel pipe is usually detected by adopting a flaw detector. The flaw detector detects internal defects of the seamless steel pipe by utilizing the characteristics of strong effects such as reflection of ultrasonic waves and strong penetrating power, and being capable of linear propagation.
The flaw detection equipment has very important effect on quality detection of the large-diameter seamless steel pipe, and various inconveniences exist when the flaw detection equipment detects the inside of the large-diameter seamless steel pipe, such as:
1. when detecting, the flaw detection equipment inside the large-diameter seamless steel pipe is difficult to repeatedly adjust and detect the local area inside the seamless steel pipe;
2. the inner flaw detection equipment of the large-diameter seamless steel pipe is difficult to achieve the effect of the inner wall lamination detection of the seamless steel pipe when in use;
3. after the flaw detection equipment finishes detecting the inside of the large-diameter seamless steel pipe, the effect of automatically unloading the seamless steel pipe is difficult to realize;
therefore, we propose an internal flaw detection device for large-diameter seamless steel pipes.
Disclosure of Invention
The invention aims to provide internal flaw detection equipment for a large-diameter seamless steel pipe, which solves the problems that the internal flaw detection equipment for the large-diameter seamless steel pipe provided by the background technology is difficult to repeatedly adjust and detect local areas inside the seamless steel pipe when in use, the internal flaw detection equipment for the large-diameter seamless steel pipe is difficult to achieve the effect of bonding detection on the inner wall of the seamless steel pipe, and the flaw detection equipment is difficult to achieve the effect of automatically unloading the seamless steel pipe after the internal flaw detection of the large-diameter seamless steel pipe is completed.
In order to achieve the above purpose, the present invention provides the following technical solutions: the inner flaw detection equipment for the large-pipe-diameter seamless steel pipe comprises a machine base, a limiting plate and a flaw detector body, wherein a fixed seat is arranged on one side above the machine base, a movable seat is arranged on the other side above the machine base, a counterweight seat is arranged on the adjacent side, close to the machine base, of the machine base, a supporting plate is fixed on the top of the counterweight seat, a limiting plate is arranged above the supporting plate, a connecting sleeve is fixed in the middle of the limiting plate, a transmission gear is connected to the inner part of one end of the connecting sleeve, and the transmission gear is connected with a rotary table on the outer side of the connecting sleeve;
the inside of adapter sleeve is connected with the guide arm, and the below of guide arm is provided with the rack to the flaw detector body is installed to one end of guide arm, one side of limiting plate is connected with the rotating turret, and the top butt joint of rotating turret has the leading wheel, and is connected with the spring between the bottom of rotating turret and adapter sleeve.
Preferably, the limiting plate and the connecting sleeve are mutually perpendicular, the shape of the inner side of the connecting sleeve is rectangular, and the connecting sleeve and the guide rod are in sliding connection.
Preferably, racks below the guide rod are distributed at equal intervals, the racks are in meshed connection with the transmission gear, and the rotating frame is located right below the guide rod.
Preferably, the rotating frame forms a rotating structure through a spring and a limiting plate, and a guide wheel and a guide rod at the top end of the rotating frame are in rolling connection.
Preferably, a supporting rod is arranged on one side of the bottom of the limiting plate, a screw rod is arranged on one side of the limiting plate, which is close to the supporting rod, of the limiting plate in parallel, telescopic holes are formed in the supporting plate in parallel, and the two telescopic holes are respectively spliced with the supporting rod and the screw rod.
Preferably, the screw rod outside has cup jointed the regulating disk, and the inner wall of regulating disk is provided with the screw thread to regulating disk and screw rod are threaded connection, the spout of "L" style of calligraphy is seted up to one side edge of counter weight seat below, the frame carries out sliding connection through the spout of support and counter weight seat below.
Preferably, the middle part of fixing base installs the action wheel, and installs driving motor in the outside of fixing base one end, and driving motor's output is connected with the action wheel.
Preferably, the adjusting motor is arranged at the outer sides of the two ends of the movable seat, a driving gear in butt joint with the output end of the adjusting motor is arranged at the inner side of the movable seat, a driven gear connected with the movable seat is arranged at one side of the driving gear, and the driven gear is in butt joint with the fixed disc.
Preferably, a guide roller is connected between the two fixed discs, a discharging table is arranged on one side, far away from the fixed seat, of the movable seat, the axial lead of the guide roller is parallel to the axial lead of the fixed disc, and the outer edge of the guide roller is flush with the outer edge of the fixed disc.
Preferably, the middle part of frame top is seted up flutedly, and one side of recess equidistant is equipped with the mounting groove to the internally mounted of mounting groove has the pneumatic cylinder, the output of pneumatic cylinder is connected with the fixed block, and the fixed block is fixed with the lower surface of movable seat.
Compared with the prior art, the invention has the beneficial effects that: this inside equipment of detecting a flaw of seamless steel pipe of big pipe diameter, when seamless steel pipe rotates, the guide arm drives the appearance body of detecting a flaw and carries out the sideslip, can carry out the adjustment repeatedly and detect to the local region of seamless steel pipe inner wall according to the needs that detect, rotatory regulating disk drives the appearance body of detecting a flaw and carries out the altitude mixture control, the support along the frame edge slides and changes the position of putting of counter weight seat, the effect of convenient adjustment appearance body of detecting a flaw and seamless steel pipe inner wall laminating detection, promote the movable seat on the fixed block to the direction slip of fixing base through the pneumatic cylinder for the outer wall of seamless steel pipe below is extruded to deflector roll and action wheel, conveniently carries out automatic discharge to seamless steel pipe.
1. According to the flaw detection equipment for the inside of the large-diameter seamless steel pipe, the transmission gear in the connecting sleeve is driven to rotate through the turntable, so that the transmission gear and the rack below the guide rod are meshed and driven, the guide wheel is used for extruding the guide rod through the spring, the movement stability of the guide rod is facilitated, when the guide rod transversely moves and slides in the connecting sleeve, the guide rod drives the flaw detector body to detect the flaw of the inner wall of the seamless steel pipe, when the seamless steel pipe rotates, the guide rod drives the flaw detector body to transversely move, so that all positions of the seamless steel pipe can be detected, and the local area of the inner wall of the seamless steel pipe can be repeatedly adjusted and detected according to the detection requirement;
2. according to the large-diameter seamless steel pipe internal flaw detection equipment, according to the diameter requirement of a seamless steel pipe, the adjusting disc is rotated on the screw rod, so that the adjusting disc and the screw rod are in threaded transmission, the supporting rod and the screw rod are parallel to each other, and the supporting rod and the screw rod are simultaneously in telescopic plug connection with the telescopic hole on the inner side of the supporting plate, so that when the adjusting disc is rotated, the flaw detector body can be stably driven to carry out height adjustment, and meanwhile, the placing position of the counterweight seat is changed along the support of the edge of the machine seat in a sliding manner, so that the left and right positions of the flaw detector body in the seamless steel pipe can be conveniently adjusted, and the joint detection effect of the flaw detector body and the inner wall of the seamless steel pipe can be conveniently adjusted;
3. this inside flaw detection equipment of seamless steel pipe of big pipe diameter drives the guide arm and takes out seamless steel pipe with the guide arm and take out the appearance body to drive driving gear and driven gear through adjusting motor and mesh mutually, thereby make the deflector roll rotation between two fixed disks to the minimum, and guarantee that the deflector roll flushes with the top of unloading the platform mutually, finally, promote the movable seat on the fixed block through the pneumatic cylinder and slide to the direction of fixing base, make deflector roll and action wheel extrusion seamless steel pipe below's outer wall, make seamless steel pipe carry out automatic discharge along the unloading platform of slope form.
Drawings
FIG. 1 is a schematic view of a right side cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 4 is a schematic view of a front cross-sectional structure of the support plate of the present invention;
FIG. 5 is a schematic view of a right-side cross-sectional structure of a connecting sleeve of the present invention;
FIG. 6 is a schematic top view cross-sectional structure of the present invention;
FIG. 7 is a schematic top view of the housing of the present invention;
fig. 8 is a schematic top view of the movable seat of the present invention.
In the figure: 1. a base; 2. a fixing seat; 3. a movable seat; 4. a counterweight seat; 5. a support plate; 6. a limiting plate; 7. connecting sleeves; 8. a transmission gear; 9. a turntable; 10. a guide rod; 11. a rack; 12. a flaw detector body; 13. a rotating frame; 14. a guide wheel; 15. a spring; 16. a support rod; 17. a screw rod; 18. a telescopic hole; 19. an adjusting plate; 20. a chute; 21. a bracket; 22. a driving wheel; 23. a driving motor; 24. adjusting a motor; 25. a drive gear; 26. a driven gear; 27. a fixed plate; 28. a guide roller; 29. a discharge table; 30. a groove; 31. a mounting groove; 32. a hydraulic cylinder; 33. and a fixed block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a seamless steel pipe inside fault detection equipment of big pipe diameter, including frame 1, limiting plate 6 and fault detector body 12, fixing base 2 is installed to one side of frame 1 top, and the opposite side of frame 1 top is provided with movable seat 3, adjacent one side that frame 1 is close to frame 1 is provided with counter weight seat 4, and the top of counter weight seat 4 is fixed with backup pad 5, and the top of backup pad 5 is provided with limiting plate 6, the middle part of limiting plate 6 is fixed with adapter sleeve 7, and the internal connection of adapter sleeve 7 one end has drive gear 8, and drive gear 8 is connected with carousel 9 outside adapter sleeve 7, the internal connection of adapter sleeve 7 has guide arm 10, and the below of guide arm 10 is provided with rack 11, and fault detector body 12 is installed to one side of guide arm 10, one side of limiting plate 6 is connected with rotating frame 13, and the top butt joint of rotating frame 13 has leading wheel 14, and be connected with spring 15 between the bottom of rotating frame 13 and adapter sleeve 7.
The limiting plate 6 and the connecting sleeve 7 are mutually perpendicular, the shape of the inner side of the connecting sleeve 7 is rectangular, and the connecting sleeve 7 and the guide rod 10 are in sliding connection; the racks 11 below the guide rod 10 are distributed at equal intervals, the racks 11 are in meshed connection with the transmission gear 8, and the rotating frame 13 is positioned right below the guide rod 10; the rotating frame 13 forms a rotating structure through the spring 15 and the limiting plate 6, and the guide wheel 14 at the top end of the rotating frame 13 is in rolling connection with the guide rod 10.
Referring to fig. 1, 2, 4 and 5, the turntable 9 drives the transmission gear 8 in the connecting sleeve 7 to rotate, so that the transmission gear 8 and the rack 11 below the guide rod 10 are engaged and driven, the rotating frame 13 is pulled by the spring 15, so that the guide wheel 14 extrudes the guide rod 10, the stability of the movement of the guide rod 10 is facilitated, when the guide rod 10 transversely moves and slides in the connecting sleeve 7, the guide rod 10 drives the flaw detector body 12 to detect the inner wall of the seamless steel pipe, and when the seamless steel pipe rotates, the guide rod 10 drives the flaw detector body 12 to transversely move, so that all positions of the seamless steel pipe can be detected, and the local area of the inner wall of the seamless steel pipe can be repeatedly adjusted and detected according to the detection requirement.
A supporting rod 16 is arranged on one side of the bottom of the limiting plate 6, a screw rod 17 is arranged on one side of the limiting plate 6 close to the supporting rod 16 in parallel, telescopic holes 18 are formed in the supporting plate 5 in parallel, and the two telescopic holes 18 are respectively spliced with the supporting rod 16 and the screw rod 17; the outer side of the screw rod 17 is sleeved with an adjusting disc 19, threads are formed in the inner wall of the adjusting disc 19, the adjusting disc 19 is in threaded connection with the screw rod 17, an L-shaped sliding groove 20 is formed in the edge of one side below the counterweight seat 4, and the machine base 1 is in sliding connection with the sliding groove 20 below the counterweight seat 4 through a support 21.
Referring to fig. 1, 2 and 4, according to the diameter requirement of the seamless steel pipe, the adjusting disc 19 is rotated on the screw rod 17, so that the adjusting disc 19 and the screw rod 17 are in threaded transmission, the supporting rod 16 and the screw rod 17 are parallel to each other, and the supporting rod 16 and the screw rod 17 are simultaneously in telescopic insertion connection with the telescopic hole 18 on the inner side of the supporting plate 5, so that when the adjusting disc 19 is rotated, the flaw detector body 12 can be stably driven to perform height adjustment, and meanwhile, the placing position of the counterweight base 4 is changed along the support 21 on the edge of the machine base 1 in a sliding manner, so that the left and right positions of the flaw detector body 12 in the seamless steel pipe are conveniently adjusted, and the effect of fitting and detecting the flaw detector body 12 and the inner wall of the seamless steel pipe is conveniently adjusted.
The middle part of the fixed seat 2 is provided with a driving wheel 22, the outer side of one end of the fixed seat 2 is provided with a driving motor 23, and the output end of the driving motor 23 is connected with the driving wheel 22; the outer sides of the two ends of the movable seat 3 are provided with an adjusting motor 24, the inner side of the movable seat 3 is provided with a driving gear 25 which is in butt joint with the output end of the adjusting motor 24, one side of the driving gear 25 is provided with a driven gear 26 which is connected with the movable seat 3, and the driven gear 26 is in butt joint with a fixed disc 27; a guide roller 28 is connected between the two fixed discs 27, a discharging table 29 is arranged on one side of the movable seat 3 away from the fixed seat 2, the axial lead of the guide roller 28 and the axial lead of the fixed disc 27 are parallel to each other, and the outer edge of the guide roller 28 is flush with the outer edge of the fixed disc 27; the middle part above the machine base 1 is provided with a groove 30, one side of the groove 30 is provided with a mounting groove 31 at equal intervals, the inside of the mounting groove 31 is provided with a hydraulic cylinder 32, the output end of the hydraulic cylinder 32 is connected with a fixed block 33, and the fixed block 33 is fixed with the lower surface of the movable base 3.
Referring to fig. 2, 3, 6 and 8, after the inspection is completed, the guide rod 10 drives the flaw detector body 12 to draw out the seamless steel tube, and the driving gear 25 and the driven gear 26 are driven to mesh by the adjusting motor 24, so that the guide roller 28 between the two fixed discs 27 rotates to the lowest point, the guide roller 28 is guaranteed to be flush with the top of the unloading table 29, and finally, the movable seat 3 on the fixed block 33 is pushed by the hydraulic cylinder 32 to slide towards the fixed seat 2, so that the guide roller 28 and the driving wheel 22 squeeze the outer wall below the seamless steel tube, and the seamless steel tube is automatically unloaded along the slope-shaped unloading table 29.
In summary, when the internal flaw detection device for large-diameter seamless steel pipes is used, the fixed seat 2 is installed on the machine base 1, the hydraulic cylinder 32 is installed in the installation groove 31 on the inner side of the machine base 1, the output end of the hydraulic cylinder 32 is in butt joint with the fixed block 33 on the bottom of the movable seat 3, the slope-shaped unloading table 29 is arranged on the movable seat 3, the large-diameter seamless steel pipes are placed between the fixed seat 2 and the movable seat 3, the movable seat 3 above the fixed block 33 is pushed and pulled by the hydraulic cylinder 32 to approach or keep away from the fixed seat 2, the device is convenient for supporting seamless steel pipes with different diameters, then, the adjusting motor 24 is started to drive the driving gear 25 and the driven gear 26 to be meshed with each other, the driven gear 26 is used for driving the guide roller 28 on the fixed disk 27 to change the supporting direction, the driving gear 22 is matched with the supporting limit of the seamless steel pipes through the guide roller 28, the driving motor 23 is driven to rotate the driving wheel 22, the seamless steel pipes are enabled to follow rotation, the transmission gear 8 in the connection sleeve 7 is driven by the turntable 9 to rotate, the transmission gear 8 and the rack 11 below the transmission gear 10 are meshed and the transmission gear 10 is driven by the guide rod 12 to detect the inner wall of the seamless steel pipes, and the flaw detection device is well known in the prior art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (5)
1. The utility model provides an inside fault detection equipment of seamless steel pipe of big pipe diameter, includes frame (1), limiting plate (6) and fault detector body (12), its characterized in that: a fixed seat (2) is arranged on one side above the machine base (1), a movable seat (3) is arranged on the other side above the machine base (1), a counterweight seat (4) is arranged on one side, close to the machine base (1), of the machine base (1), a supporting plate (5) is fixed on the top of the counterweight seat (4), a limiting plate (6) is arranged above the supporting plate (5), a connecting sleeve (7) is fixed in the middle of the limiting plate (6), a transmission gear (8) is connected with one end of the connecting sleeve (7) in an internal mode, and the transmission gear (8) is connected with a rotary disc (9) on the outer side of the connecting sleeve (7); the inside of the connecting sleeve (7) is connected with a guide rod (10), a rack (11) is arranged below the guide rod (10), one end of the guide rod (10) is provided with a flaw detector body (12), one side of the limiting plate (6) is connected with a rotating frame (13), the top end of the rotating frame (13) is abutted with a guide wheel (14), and a spring (15) is connected between the rotating frame (13) and the bottom end of the connecting sleeve (7); the limiting plate (6) and the connecting sleeve (7) are mutually perpendicular, the inner side of the connecting sleeve (7) is rectangular, and the connecting sleeve (7) and the guide rod (10) are in sliding connection; racks (11) below the guide rod (10) are distributed at equal intervals, and the rotating frame (13) is positioned right below the guide rod (10); the rotating frame (13) forms a rotating structure through a spring (15) and a limiting plate (6), and a guide wheel (14) at the top end of the rotating frame (13) is in rolling connection with the guide rod (10); a supporting rod (16) is arranged at one side of the bottom of the limiting plate (6), a screw rod (17) is arranged at one side of the limiting plate (6) close to the supporting rod (16) in parallel, telescopic holes (18) are formed in the supporting plate (5) in parallel, and the two telescopic holes (18) are respectively spliced with the supporting rod (16) and the screw rod (17); the screw rod (17) outside has cup jointed adjusting disk (19), and the inner wall of adjusting disk (19) is provided with the screw thread to adjusting disk (19) and screw rod (17) are threaded connection, spout (20) of "L" style of calligraphy are seted up to one side edge of counter weight seat (4) below, frame (1) carries out sliding connection through spout (20) of support (21) and counter weight seat (4) below.
2. The large-diameter seamless steel pipe internal flaw detection device according to claim 1, wherein: the middle part of fixing base (2) is installed action wheel (22), and driving motor (23) are installed in the outside of fixing base (2) one end, and the output of driving motor (23) is connected with action wheel (22).
3. The large-diameter seamless steel pipe internal flaw detection device according to claim 1, wherein: the adjustable seat is characterized in that an adjusting motor (24) is arranged on the outer sides of two ends of the movable seat (3), a driving gear (25) in butt joint with the output end of the adjusting motor (24) is arranged on the inner side of the movable seat (3), a driven gear (26) connected with the movable seat (3) is arranged on one side of the driving gear (25), and the driven gear (26) is in butt joint with a fixed disc (27).
4. A large diameter seamless steel pipe internal inspection apparatus according to claim 3, wherein: a guide roller (28) is connected between the two fixed discs (27), a discharging table (29) is arranged on one side, far away from the fixed seat (2), of the movable seat (3), the axial lead of the guide roller (28) and the axial lead of the fixed disc (27) are parallel to each other, and the outer edge of the guide roller (28) is flush with the outer edge of the fixed disc (27).
5. The large-diameter seamless steel pipe internal flaw detection device according to claim 4, wherein: the middle part of frame (1) top is seted up flutedly (30), and one side of recess (30) is equidistant to be equipped with mounting groove (31) to internally mounted of mounting groove (31) has pneumatic cylinder (32), the output of pneumatic cylinder (32) is connected with fixed block (33), and fixed block (33) are fixed with the lower surface of movable seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210416866.5A CN114778791B (en) | 2022-04-20 | 2022-04-20 | Inside fault detection equipment of seamless steel pipe of big pipe diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210416866.5A CN114778791B (en) | 2022-04-20 | 2022-04-20 | Inside fault detection equipment of seamless steel pipe of big pipe diameter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114778791A CN114778791A (en) | 2022-07-22 |
| CN114778791B true CN114778791B (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210416866.5A Active CN114778791B (en) | 2022-04-20 | 2022-04-20 | Inside fault detection equipment of seamless steel pipe of big pipe diameter |
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| CN113358741A (en) * | 2021-07-28 | 2021-09-07 | 公安部第三研究所 | Steel pipe inner wall defect detection device |
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