CN111024824A - Double-probe frame device for ultrasonic flaw detector - Google Patents

Double-probe frame device for ultrasonic flaw detector Download PDF

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Publication number
CN111024824A
CN111024824A CN201911366240.2A CN201911366240A CN111024824A CN 111024824 A CN111024824 A CN 111024824A CN 201911366240 A CN201911366240 A CN 201911366240A CN 111024824 A CN111024824 A CN 111024824A
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CN
China
Prior art keywords
mounting platform
frame
probe
screw rod
sliding block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201911366240.2A
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Chinese (zh)
Inventor
刘忠魁
刘成坤
陈开云
陈鹏翔
黄德全
刘伟
张力
彭彬
江维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ziyang Petroleum Steel Pipe Co ltd
Anshan Changfeng Ndt Equipment Co ltd
Original Assignee
Ziyang Petroleum Steel Pipe Co ltd
Anshan Changfeng Ndt Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Ziyang Petroleum Steel Pipe Co ltd, Anshan Changfeng Ndt Equipment Co ltd filed Critical Ziyang Petroleum Steel Pipe Co ltd
Priority to CN201911366240.2A priority Critical patent/CN111024824A/en
Publication of CN111024824A publication Critical patent/CN111024824A/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids

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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)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The invention discloses a double-probe frame device for an ultrasonic flaw detector, which can simultaneously detect welded pipes twice, and comprises a first mounting platform, a first probe frame and a second probe frame; the first probe frame is in transmission connection with the first mounting platform through a first linear reciprocating motion part; the second probe frame is arranged on the first mounting platform through a connecting piece; the first detection frame and the second detection frame are positioned on the same side of the first mounting platform; the motion trail of the first detection frame and the second detection frame are arranged in a collinear mode. The distance between the first probe frame and the second probe frame is adjustable, and the second probe detects the welding seam a while the first probe detects the welding seam center line b. Can detect the welded tube of different pipe diameters size, it is high to detect the precision, and is fast.

Description

Double-probe frame device for ultrasonic flaw detector
Technical Field
The invention relates to the technical field of flaw detection, in particular to a double-probe-frame device for an ultrasonic flaw detector.
Background
Ultrasonic inspection is a method for inspecting part defects by using the characteristic that ultrasonic energy penetrates into the depth of a metal material and is reflected at the edge of an interface when entering another section from one section. Ultrasonic waves have various waveforms when propagating through a medium, and longitudinal waves, transverse waves, surface waves, and the like are most commonly used for inspection. The longitudinal wave can be used for detecting the defects of inclusions, cracks, white spots and the like in metal ingots, medium plates and the like; the transverse wave can be used for detecting the defects of circumferential and axial cracks, scratches, air holes in welding seams and the like in the pipe; defects in the sheet can be detected with surface waves.
In the production process of the spiral welded pipe, the automatic detection of the ultrasonic welding seam is a key detection process. At present, a plurality of probes (10 probes) are mainly arranged on a probe frame to detect a welding seam, and the probe frame moves for one stroke relative to a welded pipe to detect the welding seam at one time. Therefore, the detection rate of the defects in the middle area of the thick-wall (12.0mm and above) welding seam is low, and the detection is easy to miss.
Disclosure of Invention
The invention aims to provide a double-probe-frame device for an ultrasonic flaw detector, which can detect welded pipes twice at the same time.
The technical scheme adopted by the invention for solving the technical problems is as follows: the double-probe-frame device for the ultrasonic flaw detector comprises a first mounting platform, a first probe frame and a second probe frame;
the first probe frame is in transmission connection with the first mounting platform through a first linear reciprocating motion part;
the second probe frame is arranged on the first mounting platform through a connecting piece;
the first detection frame and the second detection frame are positioned on the same side of the first mounting platform; the motion trail of the first detection frame and the second detection frame are arranged in a collinear mode.
Further, the first linear reciprocating element comprises a first electric lead screw device and a first limiting device;
the first limiting device comprises a first sliding groove and a first sliding block which are in sliding fit; the first sliding groove is arranged on the first mounting platform; the first sliding block is arranged between the first mounting platform and the first detection frame;
a first screw rod of the first electric screw rod device is in threaded fit with a threaded hole in the first sliding block; the first screw rod and the first sliding groove are arranged in parallel along the length direction;
and a first driving motor of the first electric lead screw device is fixedly connected with the first mounting platform.
Further, the device also comprises a second mounting platform; the connecting piece is arranged between the first mounting platform and the second mounting platform;
the second probe frame is in transmission connection with the second mounting platform through a second linear reciprocating motion piece;
the motion trail of the first detection frame is collinear with that of the second detection frame.
Further, the second linear reciprocating element comprises a second electric lead screw device and a second limiting device;
the second limiting device comprises a second sliding chute and a second sliding block which are in sliding fit, and the second sliding chute is arranged on the second mounting platform; the second sliding block is arranged between the second mounting platform and the second probe frame;
a second screw rod of the second electric screw rod device is in threaded fit with a threaded hole in the second sliding block;
and a second driving motor of the second electric lead screw device is fixedly connected with the second mounting platform.
The first sliding block is arranged between the first mounting platform and the third mounting platform;
and the third mounting platform is in transmission connection with the first probe frame through a third linear reciprocating motion piece.
Further, the third linear reciprocating element comprises a third electric screw rod device and a third limiting device;
the third limiting device comprises a third sliding groove and a third sliding block which are in sliding fit; the third sliding groove is arranged on the third mounting platform; the third sliding block is arranged between the third mounting platform and the first detection frame;
a third screw rod of the third electric screw rod device is in threaded fit with a threaded hole of a third sliding block;
a third driving motor of the third electric lead screw device is fixedly connected with the third mounting platform;
the third sliding groove is parallel to the first sliding groove along the length direction.
The first bearing is fixedly arranged on the first mounting platform;
one end of the first screw rod is installed through one first bearing, and the other end of the first screw rod is installed through the other first bearing.
The device further comprises a second bearing, wherein the second bearing is fixedly arranged on the second mounting platform;
one end of the second screw rod is installed through one of the second bearings, and the other end of the second screw rod is installed through the other second bearing.
The device further comprises a third bearing, wherein the third bearing is fixedly arranged on a third mounting platform;
one end of the third screw rod is installed through one of the third bearings, and the other end of the third screw rod is installed through the other third bearing.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a double-probe frame device for an ultrasonic flaw detector, which can detect welded pipes twice at the same time. The distance between the first probe frame and the second probe frame is adjustable, and the second probe detects the welding seam a while the first probe detects the welding seam center line b. When detecting the thick-wall welded pipe, the detection precision is high and the speed is high. And the detection can be carried out on welded pipes with different pipe diameters and different wall thicknesses.
Drawings
FIG. 1 is a schematic structural view of the present invention;
reference numerals: 1-a first mounting platform; 2-a second mounting platform; 3-a third mounting platform; 4-a connector; 5-a first probe frame; 501-a first probe; 6-a second probe frame; 601-a second probe; 7-a first electric lead screw device; 701-a first screw rod; 702-a first drive motor; 8-a first slider; 9-a second electric lead screw device; 901-a second lead screw; 902-a second drive motor; 10-a second slide; 11-a third electric lead screw device; 1101-a third lead screw; 1102-a third drive motor; 12-a third slide; 13-a first bearing; 14-a second bearing; 15-third bearing.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in the attached drawings, the double-probe frame device for the ultrasonic flaw detector comprises a first mounting platform 1, a first probe frame 5 and a second probe frame 6; the first probe frame 5 is in transmission connection with the first mounting platform 1 through a first linear reciprocating motion part; the second probe frame 6 is arranged on the first mounting platform 1 through a connecting piece 4; the first detecting frame 5 and the second detecting frame 6 are positioned on the same side of the first mounting platform 1; the movement track of the first detecting frame 5 and the second detecting frame 6 are arranged in a collinear way.
First spy frame 5 and second spy frame 6 all are located the homonymy of first mounting platform 1, and under the transmission of first straight reciprocating motion piece, the interval between first spy frame 5 and the second spy frame 6 can increase or the regulation of shortening. A plurality of first probes 501 are arranged on the first probe frame 5, a plurality of second probes 601 are arranged on the second probe frame 6, and the first probes 501 and the second probes 601 work simultaneously. The weld is in a spiral configuration on the welded pipe with the first probe 501 aligned with the weld centerline b and the second probe 601 aligned with the weld a. The first mounting platform 1 moves linearly along the axial direction of the welded pipe under the transmission action of the feeding system; the welded pipe rotates along the circumferential direction of the welded pipe L2 under the driving action of the driving device. The first probe 501 detects a welding seam central line b, and a detection path of the first probe forms a spiral structure along the welding seam central line b; the second probe 601 detects the weld a, and the detection path forms a spiral structure along the weld a. In a detection stroke, not only can the welding seam a of the thick-wall welded pipe be detected, but also the welding seam central line b can be detected, and the detection omission of the welding seam central line b area is avoided. Therefore, the detection precision is high and the speed is high. When the device is used, firstly, the second probe frame 6 is placed corresponding to the welding line a, and the second probe 601 is aligned to the welding line a; next, the first probe frame 5 is adjusted to be placed corresponding to the weld centerline b by the first linear reciprocating member, and the first probe 501 is aligned with the weld centerline b. The first linear reciprocating element has various embodiments: in a first embodiment, the first linear reciprocating element comprises a first electric lead screw device 7 and a first limiting device; the first limiting device comprises a first sliding groove and a first sliding block 8 which are in sliding fit; the first chute is arranged on the first mounting platform 1; the first sliding block 8 is arranged between the first mounting platform 1 and the first detecting frame 5; a first lead screw 701 of the first electric lead screw device 7 is in threaded fit with a threaded hole on the first slide block 8; the first screw rod 701 and the first sliding groove are arranged in parallel along the length direction; the first driving motor 702 of the first electric lead screw device 7 is fixedly connected with the first mounting platform 1. As the prior art, a screw rod of an electric screw rod device is connected with a rotating shaft of a driving motor, and the driving motor can realize forward and reverse rotation so as to drive the forward rotation or reverse rotation of the screw rod. The first sliding groove is in sliding fit with the first sliding block 8, and the first lead screw 701 is in threaded fit with a threaded hole in the first sliding block 8, so that the first sliding block 8 can perform axial linear reciprocating motion along the first lead screw 701, and further the first probe frame 5 is driven to perform axial reciprocating motion along the first lead screw 701. In a second specific embodiment, the first linear reciprocating element comprises a first hydraulic cylinder, and a cylinder body of the first hydraulic cylinder is fixedly connected with the first mounting platform 1; the first probe frame 5 is arranged at one end, far away from the cylinder body, of a piston rod of the first hydraulic cylinder. The piston rod of the first hydraulic cylinder extends or shortens to drive the first probe frame 5 to reciprocate along the linear direction. According to the two specific embodiments, the adjustment of the distance between the first probe frame 5 and the second probe frame 6 can be realized.
As a preferred embodiment, the first linear reciprocating element comprises a first electric lead screw device 7 and a first limiting device; the first limiting device comprises a first sliding groove and a first sliding block 8 which are in sliding fit; the first sliding groove is arranged on the first mounting platform 1; the first sliding block 8 is arranged between the first mounting platform 1 and the first detecting frame 5; the first lead screw 701 of the first electric lead screw device 7 is in threaded fit with a threaded hole on the first slide block 8; the first screw rod 701 and the first sliding groove are arranged in parallel along the length direction; the first driving motor 702 of the first electric lead screw device 7 is fixedly connected with the first mounting platform 1.
The second detecting frame 6 can be fixedly installed on the first installation platform 1 through the connecting piece 4, and the connecting piece 4 can be a connecting rod or a connecting plate, but the disadvantage that the position of the second detecting frame 6 is fixed exists. In order to solve the above technical problem, it is preferable that the mounting device further includes a second mounting platform 2; the connecting piece 4 is arranged between the first mounting platform 1 and the second mounting platform 2; the second probe frame 6 is in transmission connection with the second mounting platform 2 through a second linear reciprocating motion part; the motion trail of the first detecting frame 5 is collinear with the motion trail of the second detecting frame 6. The second probe frame 6 is subjected to position change relative to the second mounting platform 2 under the action of the second linear reciprocating element. The second linear reciprocating element has various specific embodiments: in the first embodiment, the second linear reciprocating element comprises a second electric lead screw device 9 and a second limiting device; the second limiting device comprises a second sliding groove and a second sliding block 10 which are in sliding fit, and the second sliding groove is arranged on the second mounting platform 2; the second sliding block 10 is arranged between the second mounting platform 2 and the second detecting frame 6; a second lead screw 901 of the second electric lead screw device 9 is in threaded fit with a threaded hole on the second slider 10; and a second driving motor 902 of the second electric lead screw device 9 is fixedly connected with the second mounting platform 2. The second sliding chute is in sliding fit with the second slider 10, and the second lead screw 901 is in threaded fit with a threaded hole in the second slider 10, so that the second slider 10 is linearly reciprocated along the axial direction of the second lead screw 901, and the second probe frame 6 is driven to reciprocate along the axial direction of the second lead screw 901. In a second specific embodiment, the second linear reciprocating element comprises a second hydraulic cylinder, and a cylinder body of the second hydraulic cylinder is fixedly connected with the second mounting platform 2; the second detection frame 6 is arranged at one end, far away from the cylinder body, of a piston rod of the second hydraulic cylinder. The piston rod of the second hydraulic cylinder extends or shortens to drive the second detecting frame 6 to reciprocate along the linear direction. The two specific embodiments can realize the adjustment of the position of the second detecting frame 6.
As a preferred embodiment, the second linear reciprocating element comprises a second electric lead screw device 9 and a second limiting device; the second limiting device comprises a second sliding groove and a second sliding block 10 which are in sliding fit, and the second sliding groove is arranged on the second mounting platform 2; the second sliding block 10 is arranged between the second mounting platform 2 and the second detecting frame 6; a second lead screw 901 of the second electric lead screw device 9 is in threaded fit with a threaded hole on the second slider 10; and a second driving motor 902 of the second electric lead screw device 9 is fixedly connected with the second mounting platform 2.
In order to realize the second adjustment of the position of the first probe frame 5, it is preferable that the second probe frame further comprises a third mounting platform 3, and the first sliding block 8 is mounted between the first mounting platform 1 and the third mounting platform 3; and the third mounting platform 3 is in transmission connection with the first probe frame 5 through a third linear reciprocating motion piece. The first probe frame 5 can be positionally changed with respect to the third mounting platform 3, and the third mounting platform 3 can be positionally changed with respect to the first mounting platform 1. The first slide block 8 makes a linear reciprocating motion in the first sliding chute, and the first detection frame 5 realizes the adjustment of the first position to roughly determine the position between the first detection frame 5 and the second detection frame 6, namely rough adjustment. The first probe frame 5 realizes the adjustment of the position for the second time under the action of the third linear reciprocating motion piece, and finally determines the position between the first probe frame 5 and the second probe frame 6, namely fine adjustment. The third mounting platform 3 provides a stable mounting for the third linear reciprocating element. The third linear reciprocating element has various specific embodiments: in the first embodiment, the third linear reciprocating element comprises a third electric screw rod device 11 and a third limiting device; the third limiting device comprises a third sliding groove and a third sliding block 12 which are in sliding fit; the third chute is arranged on the third mounting platform 3; the third sliding block 12 is arranged between the third mounting platform 3 and the first detecting frame 5; a third screw 1101 of the third electric screw device 11 is in threaded fit with a threaded hole of a third slider 12; a third driving motor 1102 of the third electric lead screw device 11 is fixedly connected with a third mounting platform 3; the third sliding groove is parallel to the first sliding groove along the length direction. The third sliding groove is in sliding fit with the third sliding block 12, and the third screw rod 1101 is in threaded fit with a threaded hole in the third sliding block 12, so that the third sliding block 12 linearly reciprocates along the axial direction of the third screw rod 1101, and the first detecting frame 5 is driven to axially reciprocate along the third screw rod 1101. In a second specific embodiment, the third linear reciprocating element comprises a third hydraulic cylinder, and a cylinder body of the third hydraulic cylinder is fixedly connected with the third mounting platform 3; the first probe frame 5 is arranged at one end, far away from the cylinder body of the third hydraulic cylinder, of the piston rod of the third hydraulic cylinder. The piston rod of the third hydraulic cylinder extends or shortens to drive the first probe frame 5 to reciprocate along the linear direction. According to the two specific embodiments, the position of the first probe frame 5 relative to the third mounting platform 3 can be changed, and the position of the first probe frame 5 can be adjusted for the second time.
As a preferred embodiment, the third linear reciprocating element comprises a third electric screw rod device 11 and a third limiting device; the third limiting device comprises a third sliding groove and a third sliding block 12 which are in sliding fit; the third chute is arranged on the third mounting platform 3; the third sliding block 12 is arranged between the third mounting platform 3 and the first detecting frame 5; a third screw 1101 of the third electric screw device 11 is in threaded fit with a threaded hole of a third slider 12; a third driving motor 1102 of the third electric lead screw device 11 is fixedly connected with a third mounting platform 3; the third sliding groove is parallel to the first sliding groove along the length direction.
In order to ensure the transmission precision of the first electric screw device 7 and the first limiting device, preferably, the device further comprises a first bearing 13, and the first bearing 13 is fixedly installed on the first installation platform 1; one end of the first lead screw 701 is mounted through one of the first bearings 13, and the other end of the first lead screw 701 is mounted through the other first bearing 13. The first bearing 13 can ensure the transmission precision of the first electric screw device 7 and the first limiting device.
In order to ensure the transmission precision of the second electric screw device 9 and the second limiting device, preferably, the device further comprises a second bearing 14, and the second bearing 14 is fixedly installed on the second installation platform 2; one end of the second lead screw 901 is mounted through one of the second bearings 14, and the other end of the second lead screw 901 is mounted through the other second bearing 14. The second bearing 14 can ensure the transmission precision of the second electric screw device 9 and the second limiting device.
In order to ensure the transmission precision of the third electric screw device 11 and the third limiting device, preferably, the device further comprises a third bearing 15, and the third bearing 15 is fixedly installed on the third installation platform 3; one end of the third screw 1101 is mounted through one of the third bearings 15, and the other end of the third screw 1101 is mounted through the other third bearing 15. The third bearing 15 can ensure the transmission precision of the third electric screw device 11 and the third limiting device.
The above is a specific embodiment of the present invention, and it can be seen from the implementation process that the present invention provides a double-probe rack device for an ultrasonic flaw detector, which can perform two detections on welded pipes simultaneously. The distance between the first probe frame and the second probe frame is adjustable, and the second probe detects the welding seam a while the first probe detects the welding seam center line b. When detecting the thick-wall welded pipe, the detection precision is high and the speed is high. And the detection can be carried out on welded pipes with different pipe diameters and different wall thicknesses.

Claims (9)

1. A two probe frame devices for ultrasonic flaw detector, its characterized in that: comprises a first mounting platform (1), a first detecting frame (5) and a second detecting frame (6);
the first probe frame (5) is in transmission connection with the first mounting platform (1) through a first linear reciprocating motion part;
the second probe frame (6) is arranged on the first mounting platform (1) through a connecting piece (4);
the first detection frame (5) and the second detection frame (6) are positioned on the same side of the first mounting platform (1); the motion trail of the first detecting frame (5) and the second detecting frame (6) are arranged in a collinear way.
2. The double rack apparatus for an ultrasonic flaw detector according to claim 1, wherein: the first linear reciprocating motion piece comprises a first electric lead screw device (7) and a first limiting device;
the first limiting device comprises a first sliding groove and a first sliding block (8) which are in sliding fit; the first sliding groove is arranged on the first mounting platform (1); the first sliding block (8) is arranged between the first mounting platform (1) and the first detection frame (5);
a first screw rod (701) of the first electric screw rod device (7) is in threaded fit with a threaded hole in the first sliding block (8); the first screw rod (701) and the first sliding groove are arranged in parallel along the length direction;
and a first driving motor (702) of the first electric lead screw device (7) is fixedly connected with the first mounting platform (1).
3. The double rack apparatus for an ultrasonic flaw detector according to claim 1, wherein: further comprising a second mounting platform (2); the connecting piece (4) is arranged between the first mounting platform (1) and the second mounting platform (2);
the second probe frame (6) is in transmission connection with the second mounting platform (2) through a second linear reciprocating motion part;
the motion trail of the first detecting frame (5) is collinear with that of the second detecting frame (6).
4. The double rack apparatus for an ultrasonic flaw detector according to claim 3, wherein: the second linear reciprocating motion piece comprises a second electric lead screw device (9) and a second limiting device;
the second limiting device comprises a second sliding groove and a second sliding block (10) which are in sliding fit, and the second sliding groove is arranged on the second mounting platform (2); the second sliding block (10) is arranged between the second mounting platform (2) and the second detection frame (6);
a second screw rod (901) of the second electric screw rod device (9) is in threaded fit with a threaded hole in a second sliding block (10);
and a second driving motor (902) of the second electric lead screw device (9) is fixedly connected with the second mounting platform (2).
5. The double rack apparatus for an ultrasonic flaw detector according to claim 2, wherein: the first sliding block (8) is arranged between the first mounting platform (1) and the third mounting platform (3);
and the third mounting platform (3) is in transmission connection with the first probe frame (5) through a third linear reciprocating motion piece.
6. The double rack apparatus for an ultrasonic flaw detector according to claim 5, wherein: the third linear reciprocating motion piece comprises a third electric lead screw device (11) and a third limiting device;
the third limiting device comprises a third sliding groove and a third sliding block (12) which are in sliding fit; the third sliding groove is arranged on the third mounting platform (3); the third sliding block (12) is arranged between the third mounting platform (3) and the first detection frame (5);
a third screw rod (1101) of the third electric screw rod device (11) is in threaded fit with a threaded hole of a third sliding block (12);
a third driving motor (1102) of the third electric lead screw device (11) is fixedly connected with a third mounting platform (3);
the third sliding groove is parallel to the first sliding groove along the length direction.
7. The double rack apparatus for an ultrasonic flaw detector according to claim 2, wherein: the device also comprises a first bearing (13), wherein the first bearing (13) is fixedly arranged on the first mounting platform (1);
one end of the first screw rod (701) is installed through one of the first bearings (13), and the other end of the first screw rod (701) is installed through the other first bearing (13).
8. The double rack apparatus for an ultrasonic flaw detector according to claim 4, wherein: the mounting platform further comprises a second bearing (14), wherein the second bearing (14) is fixedly mounted on the second mounting platform (2);
one end of the second screw rod (901) is installed through one of the second bearings (14), and the other end of the second screw rod (901) is installed through the other second bearing (14).
9. The double rack apparatus for an ultrasonic flaw detector according to claim 6, wherein: the device also comprises a third bearing (15), wherein the third bearing (15) is fixedly arranged on the third mounting platform (3);
one end of the third screw rod (1101) is installed through one of the third bearings (15), and the other end of the third screw rod (1101) is installed through the other third bearing (15).
CN201911366240.2A 2019-12-26 2019-12-26 Double-probe frame device for ultrasonic flaw detector Withdrawn CN111024824A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911366240.2A CN111024824A (en) 2019-12-26 2019-12-26 Double-probe frame device for ultrasonic flaw detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911366240.2A CN111024824A (en) 2019-12-26 2019-12-26 Double-probe frame device for ultrasonic flaw detector

Publications (1)

Publication Number Publication Date
CN111024824A true CN111024824A (en) 2020-04-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911366240.2A Withdrawn CN111024824A (en) 2019-12-26 2019-12-26 Double-probe frame device for ultrasonic flaw detector

Country Status (1)

Country Link
CN (1) CN111024824A (en)

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