CN203414447U - Steel pipe clamping three-roller centering device for ultrasonic rotating flaw detector - Google Patents

Steel pipe clamping three-roller centering device for ultrasonic rotating flaw detector Download PDF

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Publication number
CN203414447U
CN203414447U CN201320478178.8U CN201320478178U CN203414447U CN 203414447 U CN203414447 U CN 203414447U CN 201320478178 U CN201320478178 U CN 201320478178U CN 203414447 U CN203414447 U CN 203414447U
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CN
China
Prior art keywords
ring
hole
moving
coil
square
Prior art date
Application number
CN201320478178.8U
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Chinese (zh)
Inventor
陈洪法
胡鹏宇
张黎
罗福兴
Original Assignee
杭州浙大精益机电技术工程有限公司
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Priority to CN201320478178.8U priority Critical patent/CN203414447U/en
Application granted granted Critical
Publication of CN203414447U publication Critical patent/CN203414447U/en

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Abstract

The utility model discloses a steel pipe clamping three-roller centering device for an ultrasonic rotating flaw detector. The inner hole of a moving ring is formed in outer lug bosses of an inner ring and an outer ring, and the moving ring, the inner ring and the outer ring are connected into a whole. Threaded rods of connecting blocks of three groups of floating wheel type clamping jaws are fixedly arranged in a radial hole in the outer circumferential surface of the outer ring at an equal interval. The through hole ends of transmission threaded rods are arranged in open grooves of the connecting blocks. Connecting seats are arranged on the end face of the moving ring at an equal interval. Long screws are fixedly arranged on the moving ring after penetrating through the connecting seats, waist-shaped grooves of oscillating rods and the moving ring. The other ends of the transmission threaded rods penetrate through the connecting seats so as to be connected with adjusting nuts. Springs are sleeved on the transmission threaded rods. A deep groove ball bearing is arranged at one end, passing through a square through hole in the circumferential surface of the moving ring, of each oscillating rod. The waist-shaped grooves are formed in the other ends of the oscillating rods. Pin shafts penetrate through the center holes of the oscillating rods. The three groups of floating wheel type clamping jaws can synchronously oscillate along with the rotation of the moving ring to clamp a steel pipe. The device is applied to a rotating flaw detection tester, and coaxiality between the center of the steel pipe and the rotating center of the rotating flaw detection tester is ensured.

Description

A kind of three-roller centring device of realizing steel tube clamping for ultrasound wave rotation defectoscope
Technical field
The utility model relates to Workpiece clamping device, especially relates to a kind of three-roller centring device of realizing steel tube clamping for ultrasound wave rotation defectoscope.
Background technology
Current production technology of steel tube both domestic and external has related to steel pipe has been carried out to carrying out flaw detection, and rotation crank detection test machine testing equipment requires very high to the centering of steel pipe, and requires after steel pipe caliber changes, and it is fine that steel pipe rotates the concentricity of crank detection test machine relatively.
Utility model content
The purpose of this utility model is to provide a kind of three-roller centring device of realizing steel tube clamping for ultrasound wave rotation defectoscope, can conveniently regulate and be applicable to different steel pipe calibers, and keep the constant centring means in steel pipe center.
The technical solution adopted in the utility model is:
The utility model comprises, outer ring, inner ring, moving-coil and three groups of unsteady wheeled pawl cards that structure is identical, the endoporus of moving-coil is contained on the outer concave station of outer ring, inner ring, after the end-face hole of fastening bolt through outer ring, inner ring, moving-coil, is connected, the every group of wheeled pawl card that floats, includes Connection Block, spring, drive screw, setting nut, gland nut, contiguous block, swing arm, bearing pin and deep groove ball bearing, the screw rod decile of contiguous block is fixed in the radial hole of outer circumference surface of outer ring, and the through hole end of drive screw packs in the open slot of contiguous block, and short screw is through contiguous block open slot and drive screw and be fixed on contiguous block, Connection Block decile is arranged on the end face of moving-coil, long spiro nail is through Connection Block, after the kidney slot and moving-coil of swing arm, and be fixed on moving-coil, the drive screw other end penetrates in Connection Block, the drive screw of contiguous block one end is connected with gland nut, the drive screw stretching out outside Connection Block is connected with setting nut, spring housing is on the drive screw between gland nut and Connection Block, at moving-coil periphery, within first-class minute, have three square through holes, through the swing arm one end after square through hole on moving-coil periphery, deep groove ball bearing is housed, the swing arm other end has kidney slot, bearing pin is through after the interstitial hole of swing arm, one end of bearing pin packs in the hole of outer ring inner face, the bearing pin other end packs in the hole of inner ring inner face, three groups of wheeled pawl cards that float can rotate and synchronously swing along with moving-coil, three groups of formed round sizes of deep groove ball bearing change, the center of circle is constant.
Described moving-coil is a cylindrical annulus, on the periphery of cylindrical annulus, have the square through hole that three deciles distribute, wherein first square through hole is in annulus horizontal center line upper end, and opening direction is parallel with annulus horizontal center line, two other square through hole is rotated etc. and minute to distribute relative to cylindrical circle ring center by first square through hole.
The beneficial effect the utlity model has is:
The utility model can be realized the Linear transmission of the longitudinal stable precision of steel pipe, keeps steel pipe and the right alignment of rotating the rotation center of crank detection test machine, and right alignment is Φ 0.05, sets up steel pipe axle center straight line and carries and rotation flaw detection main frame centre of gyration right alignment relation.Unsteady wheeled claw, both can reduce the resistance that steel pipe is carried; The function again with the dynamic change of synchronous adaptation outer diameter of steel pipes simultaneously.In the situation that external diameter changes, still keep the position stability at steel pipe center.Adapt to the adjusting of different size caliber, there is holding force regulatory function.
Accompanying drawing explanation
Fig. 1 is the utility model structural principle schematic diagram.
Fig. 2 is the utility model general structure schematic diagram.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is the A-A cut-open view of Fig. 3.
Fig. 5 is the vertical view of Fig. 2.
Fig. 6 is the cut-open view of Fig. 3.
Fig. 7 is the utility model moving-coil cut-open view.
Fig. 8 is that the B of Fig. 7 is to view.
Fig. 9 is the C-C cut-open view of Fig. 8.
In figure: 1, fastening bolt, 2, gland nut, 3, drive screw, 4, spring, 5, setting nut, 6, swing arm, 7, deep groove ball bearing, 8, outer ring, 9, inner ring, 10, moving-coil, 11, contiguous block, 12, Connection Block, 13, long spiro nail, 14, short screw, 15, bearing pin.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, the utility model comprises fastening bolt 1, outer ring 8, inner ring 9, moving-coil 10 and three groups of unsteady wheeled pawl cards that structure is identical, the endoporus of moving-coil 10 is contained on the outer concave station of outer ring 8, inner ring 9, after the end-face hole of fastening bolt 1 through outer ring 8, inner ring 9, moving-coil 10, is connected, the every group of wheeled pawl card that floats, includes Connection Block 12, spring 4, drive screw 3, setting nut 5, gland nut 2, contiguous block 11, swing arm 6, bearing pin 15 and deep groove ball bearing 7, the screw rod decile of contiguous block 11 is fixed in the radial hole of outer circumference surface of outer ring 8, and the through hole end of drive screw 3 packs in the open slot that connects 11, and short screw 14 is through contiguous block 11 open slots and drive screw 3 and be fixed on contiguous block 11, Connection Block 12 deciles are arranged on the end face of moving-coil 10, long spiro nail 13 is through Connection Block 12, after the kidney slot of swing arm 6 and moving-coil 10, and be fixed on moving-coil 10, drive screw 3 other ends penetrate in Connection Block 12, the drive screw 3 of contiguous block 11 one end is connected with gland nut 2, the drive screw 3 stretching out outside Connection Block 12 is connected with setting nut 5, spring 4 is enclosed within on the drive screw 3 between gland nut 2 and Connection Block 12, at moving-coil 10 peripheries, within first-class minute, have three square through holes, through swing arm 6 one end after square through hole on moving-coil 10 peripheries, deep groove ball bearing 7(Fig. 1 is housed, in Fig. 4, being two is the deep groove ball bearing of a group), swing arm 6 other ends have kidney slot, bearing pin 15 is through after the interstitial hole of swing arm 6, one end of bearing pin 15 packs in the hole of outer ring 8 inner faces, bearing pin 15 other ends pack in the hole of inner ring 9 inner faces, three groups of wheeled pawl cards that float can rotate and synchronously swing along with moving-coil 8, three groups of formed round sizes of deep groove ball bearing 7 change, the center of circle is constant, regulate the gland nut at contiguous block 11 places, change the size of spring force.
As shown in Fig. 7, Fig. 8, Fig. 9, described moving-coil 10 is cylindrical annulus, on the periphery of cylindrical annulus, have the square through hole that three deciles distribute, wherein first square through hole is in annulus horizontal center line upper end, and opening direction is parallel with annulus horizontal center line, two other square through hole is rotated etc. and minute to distribute relative to cylindrical circle ring center by first square through hole.
Principle of work of the present utility model is as follows:
More than two groups three-roller centring devices is fixed on respectively in the subsidiary engine frame of ultrasound wave rotation defectoscope, the tested steel pipe of ultrasound wave rotation defectoscope is through each three-roller centring device, tested steel pipe is in rectilinear motion process, and three-roller centring device can guarantee that the position of center line of tested steel pipe is constant.When tested steel pipe caliber becomes large, tighten the wherein setting nut 5 of one group of wheeled pawl card upper connecting base 12 end that float, moving-coil 10 clockwise rotates, three groups of swing arms 6 are done clockwise swing around bearing pin 13 simultaneously, three groups of formed circles of deep groove ball bearing 7 become large, tighten again the setting nut 5 of another two groups of wheeled pawl card upper connecting base 12 ends that float, guarantee that the center of circle is constant.When tested steel pipe caliber diminishes, unclamp respectively the setting nut 5 of three groups of wheeled pawl card upper connecting base 12 ends that float, moving-coil 10 rotates counterclockwise, three groups of swing arms 6 are done counter-clockwise swing around bearing pin 13 simultaneously, three groups of formed circles of deep groove ball bearing 7 diminish, the center of circle is constant, can meet the steel pipe of obstructed caliber, has guaranteed the right alignment of the rotation center of tested steel pipe and ultrasound wave rotation defectoscope simultaneously.
In three-roller centring device use procedure, can turn clockwise the gland nut 2 of contiguous block 11 ends on the every group of wheeled pawl card that floats, increase the size of the elastic force of spring 4, guarantee the clamping force of three-roller centring device to tested steel pipe.

Claims (2)

1. for ultrasound wave rotation defectoscope, realize a three-roller centring device for steel tube clamping, it is characterized in that: comprise outer ring (8), inner ring (9), moving-coil (10) and three groups of unsteady wheeled pawl cards that structure is identical, the endoporus of moving-coil (10) is contained on the outer concave station of outer ring (8), inner ring (9), after the end-face hole of fastening bolt (1) through outer ring (8), inner ring (9), moving-coil (10), is connected, the every group of wheeled pawl card that floats, includes Connection Block (12), spring (4), drive screw (3), setting nut (5), gland nut (2), contiguous block (11), swing arm (6), bearing pin (15) and deep groove ball bearing (7), the screw rod decile of contiguous block (11) is fixed in the radial hole of outer circumference surface of outer ring (8), the through hole end of drive screw (3) packs in the open slot of contiguous block (11), and short screw (14) passes contiguous block (11) open slot and drive screw (3) and is fixed on contiguous block (11), Connection Block (12) decile is arranged on the end face of moving-coil (10), long spiro nail (13) is through Connection Block (12), after the kidney slot of swing arm (6) and moving-coil (10), and be fixed on moving-coil (10), drive screw (3) other end penetrates in Connection Block (12), the drive screw (3) of contiguous block (11) one end is connected with gland nut (2), stretching out the outer drive screw (3) of Connection Block (12) is connected with setting nut (5), spring (4) is enclosed within on the drive screw (3) between gland nut (2) and Connection Block (12), at moving-coil (10) periphery, within first-class minute, have three square through holes, through swing arm (6) one end after square through hole on moving-coil (10) periphery, deep groove ball bearing (7) is housed, swing arm (6) other end has kidney slot, bearing pin (15) is through after the interstitial hole of swing arm (6), one end of bearing pin (15) packs in the hole of outer ring (8) inner face, bearing pin (15) other end packs in the hole of inner ring (9) inner face, three groups of wheeled pawl cards that float can rotate and synchronously swing along with moving-coil (8), the formed round size of three groups of deep groove ball bearings (7) changes, the center of circle is constant.
2. a kind of three-roller centring device of realizing steel tube clamping for ultrasound wave rotation defectoscope according to claim 1, it is characterized in that: described moving-coil (10) is a cylindrical annulus, on the periphery of cylindrical annulus, have the square through hole that three deciles distribute, wherein first square through hole is in annulus horizontal center line upper end, and opening direction is parallel with annulus horizontal center line, two other square through hole is rotated etc. and minute to distribute relative to cylindrical circle ring center by first square through hole.
CN201320478178.8U 2013-08-06 2013-08-06 Steel pipe clamping three-roller centering device for ultrasonic rotating flaw detector CN203414447U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320478178.8U CN203414447U (en) 2013-08-06 2013-08-06 Steel pipe clamping three-roller centering device for ultrasonic rotating flaw detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320478178.8U CN203414447U (en) 2013-08-06 2013-08-06 Steel pipe clamping three-roller centering device for ultrasonic rotating flaw detector

Publications (1)

Publication Number Publication Date
CN203414447U true CN203414447U (en) 2014-01-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439414A (en) * 2013-08-06 2013-12-11 杭州浙大精益机电技术工程有限公司 Three-roller centring device for ultrasonic rotary flaw detector to clamp steel pipe
CN103454350A (en) * 2013-09-13 2013-12-18 中国石油大学(华东) Waveguide rod fixing device for acoustic emission inspection of pipeline
CN106807829A (en) * 2017-04-05 2017-06-09 长葛市圆方不锈钢制品有限公司 Anti-rejection stainless steel tube embossing machine
CN110936194A (en) * 2019-12-18 2020-03-31 刘永海 Sewage pipe clamping device capable of adjusting clamp distance and clamping size

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439414A (en) * 2013-08-06 2013-12-11 杭州浙大精益机电技术工程有限公司 Three-roller centring device for ultrasonic rotary flaw detector to clamp steel pipe
CN103439414B (en) * 2013-08-06 2015-06-24 杭州浙达精益机电技术股份有限公司 Three-roller centring device for ultrasonic rotary flaw detector to clamp steel pipe
CN103454350A (en) * 2013-09-13 2013-12-18 中国石油大学(华东) Waveguide rod fixing device for acoustic emission inspection of pipeline
CN103454350B (en) * 2013-09-13 2015-06-24 中国石油大学(华东) Waveguide rod fixing device for acoustic emission inspection of pipeline
CN106807829A (en) * 2017-04-05 2017-06-09 长葛市圆方不锈钢制品有限公司 Anti-rejection stainless steel tube embossing machine
CN110936194A (en) * 2019-12-18 2020-03-31 刘永海 Sewage pipe clamping device capable of adjusting clamp distance and clamping size

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C14 Grant of patent or utility model
GR01 Patent grant
RGAV Abandon patent right to avoid regrant
AV01 Patent right actively abandoned

Granted publication date: 20140129

Effective date of abandoning: 20150624