CN117147285B - Hardness detection fixing device for round seamless steel pipe - Google Patents

Hardness detection fixing device for round seamless steel pipe Download PDF

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Publication number
CN117147285B
CN117147285B CN202311128206.8A CN202311128206A CN117147285B CN 117147285 B CN117147285 B CN 117147285B CN 202311128206 A CN202311128206 A CN 202311128206A CN 117147285 B CN117147285 B CN 117147285B
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Prior art keywords
frame
assembly
track
steel pipe
mounting
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CN117147285A (en
Inventor
朱孟尧
张玉
林世鑫
于志强
李志刚
程相忠
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Shandong Yong'an Haoyu Pipe Manufacturing Co ltd
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Shandong Yong'an Haoyu Pipe Manufacturing Co ltd
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Priority to CN202311128206.8A priority Critical patent/CN117147285B/en
Publication of CN117147285A publication Critical patent/CN117147285A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/04Chucks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40Investigating hardness or rebound hardness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058Kind of property studied
    • G01N2203/0076Hardness, compressibility or resistance to crushing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/026Specifications of the specimen
    • G01N2203/0262Shape of the specimen
    • G01N2203/0274Tubular or ring-shaped specimens

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Manipulator (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The invention discloses a hardness detection fixing device for round seamless steel pipes, which belongs to the technical field of clamping equipment and comprises a mounting frame, a track butt joint assembly, an inner support assembly, an upper support assembly and a driving assembly, wherein the driving assembly is arranged on the mounting frame, a plurality of inner support assemblies are arranged on the driving assembly, steel pipes are sleeved on the outer sides of the inner support assemblies, the inner support assemblies are used for fixing the steel pipes from the inside of the steel pipes, the driving assembly is used for driving the inner support assemblies to fix the steel pipes and index the steel pipes, the track butt joint assembly is arranged on the mounting frame and is positioned at the end part of the driving assembly, the track butt joint assembly is used for providing rotary support for the cantilever end of the driving assembly, the upper support assembly is arranged on the mounting frame positioned below the steel pipes, the upper support assembly is connected with the track butt joint assembly, a slideway is arranged above the mounting frame, and is used for installing a hardness detection device.

Description

Hardness detection fixing device for round seamless steel pipe
Technical Field
The invention relates to the technical field of clamping equipment, in particular to a hardness detection fixing device for a round seamless steel tube.
Background
The steel pipe is widely used for manufacturing structural parts and mechanical parts, the round steel pipe can improve the material utilization rate, simplify the manufacturing process and save materials, the hardness of the round steel pipe is detected after the manufacture is finished, so that the use requirement of the steel pipe is met, and an indentation test method is generally used for detecting the hardness of the seamless steel pipe. When the hardness of the seamless steel tube is tested, the seamless steel tube subjected to hardness detection is required to be fixed so as to be convenient to detect the hardness, and the Chinese patent application with publication number of CN102699707A discloses a seamless steel tube cutting end face fixing device. However, the prior art cannot effectively and reliably fix a seamless steel pipe and cannot selectively measure multiple points of the steel pipe by matching with a hardness measuring device.
Disclosure of Invention
The invention aims to provide the circular seamless steel tube hardness detection fixing device which can reliably fix a seamless steel tube and can realize omnibearing detection by clamping once.
Aiming at the technical problems, the invention adopts the following technical scheme: the utility model provides a circular seamless steel pipe hardness detects fixing device, includes mounting bracket, track butt joint subassembly, interior subassembly, pop-up subassembly and drive assembly, drive assembly set up on the mounting bracket, drive assembly on be provided with a plurality of interior subassemblies that prop, the outside cover of interior subassembly is equipped with the steel pipe, interior subassembly that props is used for realizing fixing the steel pipe from the inside steel pipe, drive assembly be used for driving the fixed of interior subassembly to the steel pipe and the transposition to the steel pipe that props, the mounting bracket on be provided with track butt joint subassembly on being located drive assembly tip position, track butt joint subassembly be used for providing the rotation support for drive assembly's cantilever end, be provided with on the mounting bracket that is located the steel pipe below and prop up the subassembly, pop-up subassembly and track butt joint subassembly be connected, pop-up subassembly be used for realizing lifting the steel pipe.
Further, the drive assembly include and rotate the seat, the bottom at the mounting bracket of rotation seat fixed mounting, the rotation seat on rotate and install passive band pulley, passive band pulley terminal surface and rotate and be provided with the second torsional spring between the seat, passive band pulley and the coaxial fixed connection of pivot, the one end of carriage rotate and install on rotating the seat, the pivot on be provided with interior support subassembly, interior support subassembly set up simultaneously on the carriage, the carriage is the form of cantilever beam, track interfacing assembly is used for realizing the location of the carriage other end.
Further, the internal stay subassembly include the center frame, the center frame insert and establish in the both sides of carriage, center frame circumferencial direction on be provided with a plurality of cavity branches, cavity branch on slidable mounting have the backup pad, backup pad and steel pipe inner wall contact's one side on set up to elastic material, backup pad tip rotate and install the runner, the backup pad be located the inside one end of center frame and branch tip between be provided with the third spring, the pivot pass center frame and rotate simultaneously with the center frame and be connected, the pivot on coaxial be fixed with central carousel, central carousel side and runner contact, central carousel on the circumference be provided with a plurality of depressed parts.
Further, the track butt joint assembly comprises two first track frames and two second track frames, the second track frames and the first track frames are fixedly arranged at the bottom of the installation frame, triangular bases are arranged between the two groups of second track frames and the two groups of first track frames, first pin columns and second pin columns are respectively arranged at two sides of each triangular base, the triangular bases are slidably arranged on the first track frames through the first pin columns, the triangular bases are slidably arranged on the second track frames through the second pin columns, first pushing blocks are slidably arranged at the bottom of the installation frame, electric cylinders are fixedly arranged at the bottoms of the installation frame, the movable ends of the electric cylinders are fixedly connected with the first pushing blocks, the sections of the first pushing blocks and the triangular bases are right-angled triangles, the first pushing blocks are in contact with inclined planes of the triangular bases, movable supports are fixedly arranged on the triangular bases, the movable support is rotationally provided with a rotating rod, a supporting frame is fixed on the rotating rod, a straight groove for accommodating the sliding frame is formed in the first pushing block, a chamfer is formed in the edge of the straight groove and is used for facilitating sliding of the sliding frame, a first torsion spring coaxial with the rotating rod is arranged between the end part of the rotating rod and the movable support, a limiting plate is further arranged at the bottom of the mounting frame, a sliding rod is slidably arranged on the limiting plate, a pushing plate is fixedly arranged at one end, close to the triangular base, of the sliding rod, a second spring coaxial with the sliding rod is arranged between the pushing plate and the limiting plate, right-angle sliding grooves are formed in the first rail frame and the second rail frame, a first pin and a second pin are arranged inside the sliding grooves, two guide rods are respectively arranged on the outer sides of the first rail frame and the second rail frame, the guide rods are fixedly arranged at the bottom of the mounting frame, the two ends of the pressing plate are slidably mounted on the guide rods, a first spring coaxial with the guide rods is arranged between the pressing plate and the bottom of the mounting frame, and the pressing plate is in contact with the first pin.
Further, the pop-up subassembly include the connecting rod, connecting rod slidable mounting in the bottom of mounting bracket, connecting rod and first ejector pad fixed connection, the connecting rod on fixed mounting have the second ejector pad, the bottom fixed mounting of mounting bracket have the second traveller, the inside slidable mounting of second traveller have first traveller, first traveller upper end fixed mounting have the layer board, layer board bottom and mounting bracket bottom between be provided with the coaxial fourth spring of second traveller, layer board bottom be provided with passive triangular block, the inclined plane of second ejector pad and the inclined plane contact on the passive triangular block.
Further, the connecting rod is fixedly connected with the motor base, a driving gear is fixedly arranged on the motor base, a driven gear is rotatably arranged on the rotating base, the driving gear and the driven gear form gear transmission, a driving belt pulley is coaxially and fixedly arranged on the driven gear, and the driving belt pulley and the driven belt pulley form belt transmission through a connecting belt.
Further, a slide way is arranged above the mounting frame and is used for mounting the hardness detection device.
Further, the dynamic friction force between the sliding frame and the rotating seat is larger than the acting force between the center frame and the sliding frame when the center turntable rotates on the center frame.
Compared with the prior art, the invention has the beneficial effects that: (1) According to the invention, the rail butt joint assembly is arranged to realize that after the steel pipe is sleeved outside the inner support assembly, the end part of the driving assembly is positioned, so that the parallel axes of the steel pipes are ensured; (2) According to the invention, through arranging the inner support assembly and the driving assembly, the internal fixation of the steel pipe can be realized, the steel pipe can be driven to rotate, the structure is ingenious, and the omnibearing multi-point detection is realized; (3) According to the invention, the upper support assembly is arranged, and the steel pipe is lifted below the steel pipe through the linkage with the track butt joint assembly, so that the installation precision of steel pipe detection is ensured; (4) The driving assembly is linked with the track butt-joint assembly, has a clutch function, and prevents danger caused by misoperation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention (strip pipe).
Fig. 2 is an enlarged partial schematic view of fig. 1 a according to the present invention.
FIG. 3 is a schematic view of the overall structure of the present invention (without steel pipes).
Fig. 4 is an enlarged partial schematic view of the present invention at B in fig. 3.
Fig. 5 is an enlarged partial schematic view of fig. 3C according to the present invention.
Fig. 6 is a schematic view of the inner support assembly (the center turntable is cut away) of the present invention.
Fig. 7 is a schematic view of the whole structure of the mounting frame partially hidden (first view angle) according to the present invention.
Fig. 8 is a partially enlarged schematic view of the present invention at D in fig. 7.
Fig. 9 is a schematic view of the whole structure of the mounting frame partially hidden (second view angle) according to the present invention.
Fig. 10 is an enlarged partial schematic view of fig. 9 at E in accordance with the present invention.
Fig. 11 is a schematic view of the whole structure of the mounting frame partially hidden in the present invention (third view).
Fig. 12 is an enlarged partial schematic view of the invention at F in fig. 11.
Reference numerals: 1-mounting rack; 2-a steel pipe; 3-track docking assembly; 301-electric cylinder; 302-a first track frame; 303-a second track frame; 304-a guide bar; 305-a first spring; 306-a first push block; 307-press plate; 308-first pin; 309-triangular base; 310-pushing plate; 311-limiting plates; 312-second pins; 313-a cradle; 314-rotating rod; 315-a first torsion spring; 316-support frame; 317-slide bar; 318-a second spring; 4-internal support components; 401-a center frame; 402-a support plate; 403-a central turntable; 404-turning wheel; 405-a third spring; a 5-pop-up assembly; 501-a connecting rod; 502-a first strut; 503-a second spool; 504-second push block; 505-passive triangular blocks; 506-fourth springs; 507-pallet; 6-a drive assembly; 601-a motor base; 602-driving a motor; 603-a drive gear; 604-a driven gear; 605-a driving pulley; 606-connecting a belt; 607-a rotating seat; 608—a passive pulley; 609-a second torsion spring; 610-a carriage; 611-a rotating shaft.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
Examples: referring to fig. 1-12, a circular seamless steel tube hardness detection fixing device comprises a mounting frame 1, a track butt joint assembly 3, an inner support assembly 4, an upper support assembly 5 and a driving assembly 6, wherein the driving assembly 6 is arranged on the mounting frame 1, a plurality of inner support assemblies 4 are arranged on the driving assembly 6, a steel tube 2 is sleeved on the outer side of the inner support assembly 4, the inner support assemblies 4 are used for fixing the steel tube 2 from the inside of the steel tube 2, the driving assembly 6 is used for driving the inner support assemblies 4 to fix the steel tube 2 and index the steel tube 2, the track butt joint assembly 3 is arranged on the end part of the driving assembly 6 on the mounting frame 1, the track butt joint assembly 3 is used for providing rotary support for the cantilever end of the driving assembly 6, the upper support assembly 5 is arranged on the mounting frame 1 below the steel tube 2, the upper support assembly 5 is connected with the track butt joint assembly 3, the upper support assembly 5 is used for realizing the lifting of the steel tube 2, and a slideway is arranged above the mounting frame 1 and used for installing the hardness detection device.
As shown in fig. 7 and 8, the driving assembly 6 includes a motor base 601, a driving motor 602, a driving gear 603, a driven gear 604, a driving pulley 605, a connecting belt 606, a rotating base 607, a driven pulley 608, a second torsion spring 609, a sliding frame 610 and a rotating shaft 611, the rotating base 607 is fixedly installed at the bottom of the mounting frame 1, the driven pulley 608 is rotatably installed on the rotating base 607, a second torsion spring 609 is arranged between the end face of the driven pulley 608 and the rotating base 607, the driven pulley 608 is fixedly connected with the rotating shaft 611 coaxially, one end of the sliding frame 610 is rotatably installed on the rotating base 607, an inner support assembly 4 is arranged on the rotating shaft 611, the inner support assembly 4 is simultaneously arranged on the sliding frame 610, the sliding frame 610 is in the form of a cantilever beam, and the track docking assembly 3 is used for realizing the positioning of the other end of the sliding frame 610.
As shown in fig. 4 and 6, the inner support assembly 4 includes a central frame 401, a support plate 402, a central turntable 403, a rotating wheel 404 and a third spring 405, where the central frame 401 is inserted on two sides of the sliding frame 610, a plurality of hollow branches are provided on the circumferential direction of the central frame 401, the support plate 402 is slidably mounted on the hollow branches, one surface of the support plate 402 contacting with the inner wall of the steel pipe 2 is provided with an elastic material, the rotating wheel 404 is rotatably mounted at the end of the support plate 402, the third spring 405 is provided between one end of the support plate 402 located inside the central frame 401 and the end of the branches, a rotating shaft 611 passes through the central frame 401 and is rotatably connected with the central frame 401, the central turntable 403 is coaxially fixed on the rotating shaft 611, the side surface of the central turntable 403 contacts with the rotating wheel 404, and a plurality of concave parts are circumferentially provided on the central turntable 403.
As shown in fig. 2, 3, 5, 9, 10, 11, and 12, the track docking assembly 3 includes an electric cylinder 301, a first track frame 302, a second track frame 303, a guide rod 304, a first spring 305, a first push block 306, a pressing plate 307, a first pin 308, a triangle seat 309, a push plate 310, a limit plate 311, a second pin 312, a movable support 313, a rotating rod 314, a first torsion spring 315, a support frame 316, a slide bar 317, and a second spring 318, two first track frames 302 and 303 are respectively provided, the second track frame 303 and the first track frame 302 are fixedly installed at the bottom of the installation frame 1, a triangle seat 309 is provided between the two sets of second track frames 303 and the two sets of first track frames 302, two sides of the triangle seat 309 are respectively provided with a first pin 308 and a second pin 312, the triangle seat 309 is slidably installed on the first track frame 302 through the first pin 308, the triangle seat 309 is slidably mounted on the second track frame 303 through a second pin 312, the bottom of the mounting frame 1 is slidably mounted with a first push block 306, the bottom of the mounting frame 1 is fixedly mounted with an electric cylinder 301, the movable end of the electric cylinder 301 is fixedly connected with the first push block 306, the sections of the first push block 306 and the triangle seat 309 are right triangle, the first push block 306 is contacted with the inclined plane of the triangle seat 309, the triangle seat 309 is fixedly mounted with a movable support 313, the movable support 313 is rotatably mounted with a rotary rod 314, the rotary rod 314 is fixedly mounted with a support 316, the first push block 306 is provided with a straight slot for accommodating the sliding frame 610, the edge of the straight slot is provided with a chamfer for facilitating the sliding of the sliding frame 610, a first torsion spring 315 coaxial with the rotary rod 314 is arranged between the end of the rotary rod 314 and the movable support 313, the bottom of the mounting frame 1 is also provided with a limit plate 311, one end of the limit plate 311, which is fixedly mounted with a slide rod 317, 317 near the triangle seat 309, is fixedly mounted with the push plate 310, be provided with between push pedal 310 and the limiting plate 311 with the coaxial second spring 318 of slide bar 317, all be provided with right angle spout on first track frame 302 and the second track frame 303, first round pin post 308 and second round pin post 312 set up inside the spout, the outside of first track frame 302 and second track frame 303 is provided with two guide bars 304 respectively, guide bar 304 fixed mounting is in mounting bracket 1 bottom, clamp plate 307 both ends slidable mounting is on guide bar 304, be provided with between clamp plate 307 and the mounting bracket 1 bottom with the coaxial first spring 305 of guide bar 304, clamp plate 307 contacts with first round pin post 308.
As shown in fig. 3, the pop up assembly 5 includes a connecting rod 501, a first sliding pillar 502, a second sliding pillar 503, a second pushing block 504, a passive triangular block 505, a fourth spring 506 and a supporting plate 507, wherein the connecting rod 501 is slidably mounted at the bottom of the mounting frame 1, the connecting rod 501 is fixedly connected with the first pushing block 306, the second pushing block 504 is fixedly mounted on the connecting rod 501, the second sliding pillar 503 is fixedly mounted at the bottom of the mounting frame 1, the first sliding pillar 502 is slidably mounted inside the second sliding pillar 503, the supporting plate 507 is fixedly mounted at the upper end of the first sliding pillar 502, the fourth spring 506 coaxial with the second sliding pillar 503 is arranged between the bottom of the supporting plate 507 and the bottom of the mounting frame 1, the passive triangular block 505 is arranged at the bottom of the supporting plate 507, and the inclined surface of the second pushing block 504 contacts with the inclined surface on the passive triangular block 505; the connecting rod 501 is fixedly connected with the motor cabinet 601, the motor cabinet 601 is fixedly provided with a driving gear 603, the rotating cabinet 607 is rotationally provided with a driven gear 604, the driving gear 603 and the driven gear 604 form gear transmission, the driven gear 604 is coaxially and fixedly provided with a driving belt pulley 605, the driving belt pulley 605 and the driven belt pulley 608 form belt transmission through a connecting belt 606, and the dynamic friction force between the sliding frame 610 and the rotating cabinet 607 is larger than the acting force between the center frame 401 and the sliding frame 610 when the center turntable 403 rotates on the center frame 401.
The invention discloses a hardness detection fixing device for a round seamless steel tube, which comprises the following working principles: before detection, the movable support 313 in the track butt joint assembly 3 is at the lowest position, the steel pipe 2 is sleeved outside the plurality of inner support assemblies 4 from one side of the track butt joint assembly 3, the electric cylinder 301 is started, the electric cylinder 301 pushes the first push block 306 to slide at the bottom of the mounting frame 1, the first push block 306 drives the first pin 308 and the second pin 312 to slide on the first track frame 302 and the second track frame 303 through the triangular base 309, the movable support 313 is driven to move towards the direction close to the end of the steel pipe 2 until the end of the sliding frame 610 is inserted into a straight groove on the supporting frame 316, positioning of the end of the sliding frame 610 is completed, the connecting rod 501 slides at the bottom of the mounting frame 1 simultaneously along with the sliding of the first push block 306, the second push block 504 drives the supporting plate 507 to slide upwards through the driven triangular block 505, meanwhile, the driving motor 602 is driven by the driving gear 603 to engage with the driven gear 604, starting the driving motor 602, the driving motor 602 drives the driving pulley 605 to rotate through the driving gear 603 and the driven gear 604, the driving pulley 605 drives the driven pulley 608 to rotate through the rotating seat 607, the driven pulley 608 drives the rotating shaft 611 to rotate, the rotating shaft 611 drives the central turntable 403 to rotate simultaneously, the supporting plate 402 is driven to slide outwards through the rotating wheel 404 in the rotating process of the central turntable 403 to realize the internal supporting of the steel tube 2, and it is noted that when the plurality of supporting plates 402 support the steel tube 2, the rotating wheel 404 does not move to the farthest point on the circumference of the central turntable 403, the fixing of the steel tube 2 is realized, if different positions on the circumference of the steel tube 2 are required to be detected, the rotating shaft 611 is continuously driven to rotate, the rotating shaft 611 can not extend continuously at the moment, the rotating shaft 611 drives the sliding frame 610 to rotate through the inner supporting component 4, the position conversion in the circumferential direction of the steel tube 2 is realized, the hardness detection device arranged above the mounting frame 1 moves in the length direction of the steel pipe 2, so that the omnibearing hardness detection of the steel pipe 2 is realized.

Claims (3)

1. The utility model provides a circular seamless steel pipe hardness detects fixing device which characterized in that: including mounting bracket (1), track interfacing assembly (3), interior support subassembly (4), pop-up subassembly (5) and drive assembly (6), drive assembly (6) set up on mounting bracket (1), drive assembly (6) on be provided with a plurality of interior support subassemblies (4), the outside cover of interior support subassembly (4) is equipped with steel pipe (2), interior support subassembly (4) are used for realizing fixing steel pipe (2) from steel pipe (2) inside, drive assembly (6) be used for driving interior support subassembly (4) to steel pipe (2) fixed with to steel pipe (2) transposition, mounting bracket (1) on be provided with track interfacing assembly (3) in drive assembly (6) tip position, track interfacing assembly (3) be used for providing rotation support for the cantilever end of drive assembly (6), be provided with on mounting bracket (1) of steel pipe (2) below and prop up subassembly (5), prop up subassembly (5) and be connected with track interfacing assembly (3), prop up subassembly (5) and be used for realizing lifting steel pipe (2).
The driving assembly (6) comprises a rotating seat (607), the rotating seat (607) is fixedly arranged at the bottom of the mounting frame (1), a driven belt pulley (608) is rotatably arranged on the rotating seat (607), a second torsion spring (609) is arranged between the end face of the driven belt pulley (608) and the rotating seat (607), the driven belt pulley (608) is fixedly connected with a rotating shaft (611) coaxially, one end of the sliding frame (610) is rotatably arranged on the rotating seat (607), an inner supporting assembly (4) is arranged on the rotating shaft (611), the inner supporting assembly (4) is simultaneously arranged on the sliding frame (610), the sliding frame (610) is in a cantilever beam form, and the track butt joint assembly (3) is used for realizing the positioning of the other end of the sliding frame (610);
the inner support assembly (4) comprises a center frame (401), the center frame (401) is inserted into two sides of a sliding frame (610), a plurality of hollow branches are arranged on the circumference of the center frame (401), a support plate (402) is slidably arranged on the hollow branches, one surface, which is contacted with the inner wall of a steel pipe (2), of the support plate (402) is provided with an elastic material, the end part of the support plate (402) is rotatably provided with a rotating wheel (404), a third spring (405) is arranged between one end, which is positioned inside the center frame (401), of the support plate (402) and the end part of the branches, a rotating shaft (611) penetrates through the center frame (401) and is simultaneously connected with the center frame (401) in a rotating mode, a center rotating disc (403) is coaxially fixed on the rotating shaft (611), the side surface of the center rotating disc (403) is contacted with the rotating wheel (404), and a plurality of concave parts are circumferentially arranged on the center rotating disc (403).
The track butt joint assembly (3) comprises two first track frames (302) and two second track frames (303), the second track frames (303) and the first track frames (302) are fixedly arranged at the bottom of the installation frame (1), triangular bases (309) are arranged between the two groups of second track frames (303) and the two groups of first track frames (302), first pin posts (308) and second pin posts (312) are respectively arranged at two sides of the triangular bases (309), the triangular bases (309) are slidably arranged on the first track frames (302) through the first pin posts (308), the triangular bases (309) are slidably arranged on the second track frames (303) through the second pin posts (312), first push blocks (306) are slidably arranged at the bottom of the installation frame (1), electric cylinders (301) are fixedly arranged at the bottom of the installation frame (1), movable ends of the electric cylinders (301) are fixedly connected with the first push blocks (306), the triangular bases (309) are fixedly connected with the triangular bases (314) which are fixedly arranged on the triangular bases (313) and the triangular bases (314), the triangular bases (313) are fixedly arranged on the triangular bases (314), the first pushing block (306) on be provided with the straight flute that holds carriage (610), straight flute edge be provided with the chamfer for make things convenient for carriage (610) to slide in, bull stick (314) tip and movable support (313) between be provided with bull stick (314) coaxial first torsional spring (315), the bottom of mounting bracket (1) still be provided with limiting plate (311), limiting plate (311) on slidable mounting have slide bar (317), slide bar (317) be close to the one end fixed mounting of triangle seat (309) have push pedal (310), push pedal (310) and limiting plate (311) between be provided with slide bar (317) coaxial second spring (318), first track frame (302) and second track frame (303) on all be provided with right angle spout, first round pin post (308) and second round pin post (312) set up inside the spout, the outside of first track frame (302) and second track frame (303) be provided with two guide bars (304) respectively, guide bar (307) are provided with two guide bar (304) respectively, guide bar (307) and guide bar (304) are installed on the both ends (307) and the guide bar (304) are fixed mounting bracket (303) on the bottom (307), the pressing plate (307) is contacted with the first pin (308);
the upper bracket assembly (5) comprises a connecting rod (501), the connecting rod (501) is slidably arranged at the bottom of the mounting frame (1), the connecting rod (501) is fixedly connected with the first pushing block (306), a second pushing block (504) is fixedly arranged on the connecting rod (501), a second sliding column (503) is fixedly arranged at the bottom of the mounting frame (1), a first sliding column (502) is slidably arranged in the second sliding column (503), a supporting plate (507) is fixedly arranged at the upper end of the first sliding column (502), a fourth spring (506) coaxial with the second sliding column (503) is arranged between the bottom of the supporting plate (507) and the bottom of the mounting frame (1), and a passive triangular block (505) is arranged at the bottom of the supporting plate (507), and the inclined surface of the second pushing block (504) is in contact with the inclined surface of the passive triangular block (505);
connecting rod (501) and motor cabinet (601) fixed connection, motor cabinet (601) on fixed mounting have driving gear (603), rotation seat (607) on rotate and install driven gear (604), driving gear (603) and driven gear (604) form gear drive, driven gear (604) on coaxial fixed mounting have driving pulley (605), driving pulley (605) and driven pulley (608) form belt drive through connecting belt (606).
2. The hardness testing fixture of circular seamless steel pipe according to claim 1, wherein: the upper part of the mounting frame (1) is provided with a slide way which is used for mounting the hardness detection device.
3. The hardness testing fixture of circular seamless steel pipe according to claim 1, wherein: the dynamic friction force between the sliding frame (610) and the rotating seat (607) is larger than the acting force between the center frame (401) and the sliding frame (610) when the center turntable (403) rotates on the center frame (401).
CN202311128206.8A 2023-09-04 2023-09-04 Hardness detection fixing device for round seamless steel pipe Active CN117147285B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311128206.8A CN117147285B (en) 2023-09-04 2023-09-04 Hardness detection fixing device for round seamless steel pipe

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Application Number Priority Date Filing Date Title
CN202311128206.8A CN117147285B (en) 2023-09-04 2023-09-04 Hardness detection fixing device for round seamless steel pipe

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CN117147285A CN117147285A (en) 2023-12-01
CN117147285B true CN117147285B (en) 2024-02-13

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Citations (10)

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WO1999022218A1 (en) * 1997-10-27 1999-05-06 Hill Jack O Apparatus and method for testing the hardness of a pipe
CN210639007U (en) * 2019-09-06 2020-05-29 天津博展科技发展有限公司 Hardness detection device for steel pipe
CN213516709U (en) * 2020-09-16 2021-06-22 南京泰祺瑞新材料科技有限公司 Steel pipe hardness testing device
CN214922482U (en) * 2021-06-21 2021-11-30 杭州立达管业有限公司 Flexible rotary cutting device for large-diameter seamless steel pipe
CN215546883U (en) * 2021-08-12 2022-01-18 山东永安昊宇制管有限公司 Fixing device for processing seamless steel pipe
CN114034588A (en) * 2022-01-07 2022-02-11 江苏龙合物联科技有限公司 Safety inspection device is used in steel pipe production
CN216870253U (en) * 2021-10-27 2022-07-01 粤钢(广州)有限公司 Hardness detection device for internal and external plastic-coated composite steel pipe
CN114878349A (en) * 2022-06-09 2022-08-09 昆山求正工程质量检测有限公司 Continuous check out test set of building metal component intensity
CN218098608U (en) * 2022-06-23 2022-12-20 无锡市前洲无缝钢管有限公司 Circular seamless steel pipe hardness detects fixing device
CN116591487A (en) * 2023-05-17 2023-08-15 中铁四局集团有限公司 Butt joint positioning device for steel pipe columns

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999022218A1 (en) * 1997-10-27 1999-05-06 Hill Jack O Apparatus and method for testing the hardness of a pipe
CN210639007U (en) * 2019-09-06 2020-05-29 天津博展科技发展有限公司 Hardness detection device for steel pipe
CN213516709U (en) * 2020-09-16 2021-06-22 南京泰祺瑞新材料科技有限公司 Steel pipe hardness testing device
CN214922482U (en) * 2021-06-21 2021-11-30 杭州立达管业有限公司 Flexible rotary cutting device for large-diameter seamless steel pipe
CN215546883U (en) * 2021-08-12 2022-01-18 山东永安昊宇制管有限公司 Fixing device for processing seamless steel pipe
CN216870253U (en) * 2021-10-27 2022-07-01 粤钢(广州)有限公司 Hardness detection device for internal and external plastic-coated composite steel pipe
CN114034588A (en) * 2022-01-07 2022-02-11 江苏龙合物联科技有限公司 Safety inspection device is used in steel pipe production
CN114878349A (en) * 2022-06-09 2022-08-09 昆山求正工程质量检测有限公司 Continuous check out test set of building metal component intensity
CN218098608U (en) * 2022-06-23 2022-12-20 无锡市前洲无缝钢管有限公司 Circular seamless steel pipe hardness detects fixing device
CN116591487A (en) * 2023-05-17 2023-08-15 中铁四局集团有限公司 Butt joint positioning device for steel pipe columns

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