CN203101291U - X-ray digitalized nondestructive testing device for welding line of storage tank - Google Patents
X-ray digitalized nondestructive testing device for welding line of storage tank Download PDFInfo
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- CN203101291U CN203101291U CN 201320140352 CN201320140352U CN203101291U CN 203101291 U CN203101291 U CN 203101291U CN 201320140352 CN201320140352 CN 201320140352 CN 201320140352 U CN201320140352 U CN 201320140352U CN 203101291 U CN203101291 U CN 203101291U
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Abstract
The utility model relates to an X-ray digitalized nondestructive testing device for a welding line of a storage tank, which mainly solves the problems of high cost of flaw detection, long detection period, large labor intensity and detection quality influence of a traditional X-ray film method. The device mainly comprises a riding gantry frame, movement guide mechanisms, a transverse movement mechanism, longitudinal movement mechanisms and a digital imaging system, wherein the riding gantry frame is composed of an outer frame and an inner frame which are connected with each other through a fixing pin and a positioning block; a mechanical buffer is arranged between the inner frame and the outer frame; the transverse movement mechanism is arranged at the upper end of the outer frame; the lower parts of the outer and inner frames are respectively provided with two sets of movement guide mechanisms; and the opposite inner sides of the inner and outer frames are respectively provided with a set of longitudinal movement mechanism. Each mechanism in the device adopts a synchronous telescopic drive control method, motors for controlling an X-ray flaw detector to move and controlling the digital imaging device to move are synchronous in speed and position, and nondestructive testing of 0-3m welding lines by the digital imaging device and the X-ray flaw detector is achieved. The method is high in automatic degree, high in positioning accuracy and fast in imaging; the X-ray digitalized detection operation on the welding line of the storage tank can be reliably, objectively and accurately finished; and the detection efficiency is greatly improved, and the labor intensity is reduced.
Description
Technical field
The utility model relates to a kind of storage tank weld seam X ray digitizing the cannot-harm-detection device.
Background technology
At present, the welding quality of storage tank weld seam is extensive use of x-ray inspection and detects, because construction condition is abominable, generally by simple and easy cage x-ray flaw detector is hung on the tank skin, and is moved by the manpower traction, artificial paster, the flaw detection of taking a picture.Film of the each exposure of x-ray flaw detector, every length of a film 300mm, large-scale storage tank girth hundreds of rice, paster and comment the sheet workload huge.A large amount of films cause the cost height to the method flaw detection of this storage tank weld seam employing X-ray film, sense cycle is long, labour intensity is big because need to consume, and loaded down with trivial details with the operation of developing a film because of paster, real-time is poor, so inefficiency, especially work high above the ground, operation inconvenience, influence detects quality.
The utility model content:
Defective at above-mentioned X ray detection method exists the utility model proposes a kind of storage tank weld seam X ray digitizing the cannot-harm-detection device.This device is realized the Direct Digital Non-Destructive Testing of storage tank ring, longitudinal seam by riding door type structure, synchronization telescope driving control system and digital imaging system, and testing result is reliable, objective, accurate, can increase substantially storage tank weld seam detection efficient.
The technical solution of the utility model is: a kind of storage tank weld seam X ray digitizing the cannot-harm-detection device mainly comprises riding door type frame, movement guide mechanism, transverse movement mechanism, lengthwise movement mechanism and digital imaging system; Described riding door type frame is made up of outer frame and interior framework, and described outer frame is connected by fixed pin and locating piece with interior framework, and the mechanical damping device is housed between interior outer frame; Transverse movement mechanism is equipped with in the upper end of outer frame; The bottom of outer frame and interior framework is equipped with two cover movement guide mechanisms respectively; Interior outer frame opposed inside respectively is equipped with a cover lengthwise movement mechanism.
As preferably, described movement guide mechanism is installed on the bearing, bearing is fixed on outer frame and the interior framework, and described movement guide mechanism mainly is made up of shell, nut, handwheel, screw rod, orienting lug and top wheel, and described shell, nut and screw flight cooperate; One end of screw rod is handwheel fixedly, and the fixing top of the other end of nut wheel is equipped with orienting lug in the gathering sill of nut.
As preferably, described transverse movement mechanism is installed in the upper end of outer frame by bolt, moving horizontally wheels, a walking beam, two servomotors and supporting reduction gear by two forms, move horizontally wheels and be fixed in the two ends of walking beam by alignment pin and tight fixed bolt, servomotor and supporting reduction gear are separately fixed at the opposite side that moves horizontally wheels, and at the both ends of the surface fixed card slot plate of walking beam.
As preferably, described lengthwise movement mechanism comprises vertical lifting layer motion and longitudinal stretching layer motion; Described longitudinal stretching layer motion is made up of fromer rail, tensile layer frame, rear rail, movable slider two, fixed slider, tensile layer leading screw, tensile layer servomotor, the tensile layer servomotor is connected with the tensile layer leading screw, along the rack rail lengthwise movement that is embedded on outer frame or the interior framework, fixed slider can play guide effect with the rear rail that is embedded in the tensile layer frame to drive tensile layer frame by movable slider two; Described vertical lifting layer motion is made up of movable slider one, lifting layer leading screw, lifting layer servomotor, x-ray flaw detector support and digital imaging apparatus support, described lifting layer servomotor connects lifting layer leading screw, drives x-ray flaw detector support and digital imaging apparatus support and vertically moves along the fromer rail that is embedded in the tensile layer frame by movable slider one.
Described digital imaging system comprises x-ray flaw detector and digital imaging apparatus, and x-ray flaw detector is installed on the x-ray flaw detector support, and digital imaging apparatus is installed on the digital imaging apparatus support; In addition, the top of described outer frame and interior framework is welded with two hangers respectively.
The beneficial effects of the utility model are: storage tank weld seam digitizing the cannot-harm-detection device can be born bigger impact and vibration owing to adopt riding steel composite frame structure, the exact instrument parts of protection internal layer; Transverse moving mechanism can be adjusted the walking angle to adapt to the variation of tank volume size; Utilize movement guide mechanism, transverse movement mechanism, lengthwise movement mechanism in this device to adopt the synchronization telescope methods of driving control, the motor of controlling x-ray flaw detector motion and the motion of control figure imaging device adopts synchronous operation on speed and position, realize steady continuously, the vertically vertical movement synchronously from 0 meter to 3 meters movement travels of digital imaging apparatus and x-ray flaw detector; Drive motor adopts servomotor, and accurate positioning is controlled precisely, operated steadily; The mechanical damping device reduces impact and the vibration that causes when the pick-up unit lifting falls to installing; This device can detect circumferential weld, also can detect longitudinal joint.The detection method of utilizing this device to implement, the automaticity height, the bearing accuracy height, imaging is quick, can finish the digitizing of storage tank weld seam x ray reliable, objective, exactly and detect operation, the weld seam digital picture that collects can also be carried out various digitized processing, to highlight weld defect, improves the evaluation quality, and pass through Network Transmission, realize long-range evaluation, improve detection efficiency greatly, reduce labour intensity.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the transverse movement structural scheme of mechanism among Fig. 1;
Fig. 4 is the movement guide mechanism synoptic diagram among Fig. 1.
1-outer frame among the figure, 2-movement guide mechanism, 3-fromer rail, 4-tensile layer frame, 5-rear rail, 6-X ray inspection machine support, the 7-X ray inspection machine, 8-tensile layer servomotor, 9-hanger, 10-mechanical damping device, 11-transverse movement mechanism, 12-fixed pin, the 13-locating piece, 14-lifting layer servomotor, 15-tensile layer leading screw, the 16-digital imaging apparatus, 17-digital imaging apparatus support, 18-interior framework, the 19-bearing, 20-fixed slider, 21-movable slider one, 22-moves horizontally wheels, 23-bolt, 24-walking beam, 25-transverse movement motor, 26-reduction gear, 27-movable slider two, the 28-rack rail, 29-lifting layer leading screw, 30-alignment pin, 31-tight fixed bolt, 32-draw-in groove plate, 33-shell, 34-nut, 35-handwheel, 36-screw rod, 37-orienting lug 38-top wheel.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
To shown in Figure 4, this storage tank weld seam X ray digitizing the cannot-harm-detection device mainly comprises riding door type frame, movement guide mechanism 2, transverse movement mechanism 11, lengthwise movement mechanism and digital imaging system by Fig. 1; Described riding door type frame is made up of outer frame 1 and interior framework 18, and described outer frame 1 is connected by fixed pin 12 with interior framework 18, and the position-limit mechanism that mechanical damping device 10 and locating piece 13 are formed is housed between interior outer frame (1,18); Transverse movement mechanism 11 is equipped with in the upper end of outer frame 1; The bottom of outer frame 1 and interior framework 18 is equipped with two cover movement guide mechanisms 2 respectively; Interior outer frame (1,18) opposed inside respectively is equipped with a cover lengthwise movement mechanism.
Described movement guide mechanism 2 is installed on the bearing 19 that is fixed in outer frame 1 and interior framework 18, mainly is made up of shell 33, nut 34, handwheel 35, screw rod 36, orienting lug 37 and top wheel 38, and shell 33, nut 34 and screw rod 36 are threaded; One end of screw rod 36 is handwheel 35 fixedly, the fixing top of the other end of nut 34 wheel 38; Be equipped with orienting lug 37 in the gathering sill of nut 34.
Described transverse movement mechanism 11 is installed in the upper end of outer frame 1 by bolt 23, move horizontally wheels 22, walking beam 24, two transverse movement motors 25 and supporting reduction gear 26 by two and form, move horizontally wheels 22 and be fixed on the walking beam 24 by alignment pin 30 and tight fixed bolt 31.
Described lengthwise movement mechanism comprises vertical lifting layer motion and longitudinal stretching layer motion; Described longitudinal stretching layer motion is made up of fromer rail 3, tensile layer frame 4, rear rail 5, movable slider 2 27, fixed slider 20, tensile layer leading screw 15, tensile layer servomotor 8, tensile layer servomotor 8 is connected with tensile layer leading screw 15, along rack rail 28 lengthwise movements that are embedded on outer frame 1 or the interior framework 18, fixed slider 20 can play guide effect with the rear rail 5 that is embedded in tensile layer frame 4 to drive tensile layer frame 4 by movable slider 2 27; Described vertical lifting layer motion is made up of movable slider 1, lifting layer leading screw 29, lifting layer servomotor 14, x-ray flaw detector support 6 or digital imaging apparatus support 17, described lifting layer servomotor 14 connects lifting layer leading screw 29, driving x-ray flaw detector support 6 and digital imaging apparatus support 17 vertically moves along the fromer rail 3 that is embedded in tensile layer frame 4 by movable slider 1, fromer rail 3 and rear rail 5 are fixedly connected on the tensile layer frame 4, and it lays respectively at the two sides, front and back of tensile layer frame 4; Fixed slider 20 is fixedly connected on outer frame 1 and the interior framework 18; Movable slider 2 27 is fixedly connected on the tensile layer frame 4 by structural member, moves up and down along rack rail 28; Tensile layer leading screw 15 and tensile layer servomotor 8 are installed on the interior framework 18, and tensile layer servomotor 8 drives 15 rotations of tensile layer leading screw and the power that moves up and down is provided for tensile layer frame 4; Movable slider 1 is fixedly connected on x-ray flaw detector support 6 and the digital imaging apparatus support 17, drives x-ray flaw detector and digital imaging apparatus and moves up and down along fromer rail 3; Lifting layer leading screw 29 and lifting layer servomotor 14 are installed on the tensile layer frame 4, and lifting layer servomotor 14 drives lifting layer leading screw 29 and rotate, for x-ray flaw detector support 6, movable slider 1 and digital imaging apparatus support 17 provide power up and down.
Described digital imaging system comprises x-ray flaw detector 7 and digital imaging apparatus 16, and x-ray flaw detector 7 is installed on the x-ray flaw detector support 6, and digital imaging apparatus 16 is installed on the digital imaging apparatus support 17.
In order to lift conveniently, the top of described outer frame 1 and interior framework 18 is welded with two hangers 9 respectively.
Utilize the detection method of storage tank weld seam X ray digitizing the cannot-harm-detection device, crane lifts by four hangers on the pick-up unit at the construction field (site), in the lifting process, movement guide mechanism vertically moves along tank skin, the top wheel shaft of movement guide mechanism front end is to parallel to the ground, the guiding frame is in place, when determining that two move horizontally wheels when all riding on the tank shell, unclamp the lifting rope, behind the rigging out half-twist is taken turns on the top of movement guide mechanism front end, make the top wheel shaft to perpendicular to the ground, and it is ridden on the tank shell, pass through movement guide mechanism, transverse movement mechanism, the synchronization telescope control system that lengthwise movement mechanism forms makes weld seam be in position between x-ray flaw detector and the digital imaging apparatus, the testing staff assigns instruction by electric-control system in inspection vehicle, the operation detection device moves automatically; At first regulate 2 servomotors (8 that are installed in respectively in the internal layer lengthwise movement mechanism, 14), make digital imaging apparatus and x-ray flaw detector be in the starting point of corresponding expectation surveyed area position, open the power supply of x-ray flaw detector and digital imaging apparatus, the X ray that x-ray flaw detector sends passes and is received by digital imaging apparatus after weld seam is attenuated certain intensity, digital imaging apparatus is converted into electronic signal with the intensity of the X ray that measures, be transferred to main frame, main frame is converted into into digital picture with the electronic signal that receives and shows that evaluation personnel evaluate testing result in real time on testing staff's computer display.
When carrying out girth joint detection operation, start transverse movement motor 25, drive pick-up unit and run to the commissure along the storage tank upper edge, regulate 2 servomotors (8 that are installed in respectively on vertical lifting layer motion, 14), adjust the locus of x-ray flaw detector 6 and digital imaging apparatus 16, make weld seam be in position between x-ray flaw detector and the digital imaging apparatus, the flaw detection personnel assign instruction by electric-control system and handle pick-up unit in detecting engineering truck.Open the power supply of x-ray flaw detector and digital imaging apparatus, two of drive controlling move horizontally wheels and do at the uniform velocity along the coboundary of tank shell, the walking of horizontal cross motion stably, the X ray that sends along with x-ray flaw detector passes weld seam, received by digital imaging apparatus after being attenuated certain intensity, digital imaging apparatus is converted into electronic signal with the intensity of the X ray that measures, be transferred to main frame, main frame is converted into into digital picture with the electronic signal that receives and shows on testing staff's computer display, the evaluation personnel just can evaluate testing result in real time, and pick-up unit is just finished the image acquisition work of big jar of girth joint one week along big jar of operation.
When carrying out longitudinal seam detection operation, start transverse movement motor 25, drive pick-up unit and run to the commissure, be i.e. the position of weld seam between x-ray flaw detector and digital imaging apparatus along a big jar upper edge.Start the lifting layer servomotor (8 of vertical lifting layer motion, 14), adjust the locus of x-ray flaw detector and digital imaging apparatus, make digital imaging apparatus and x-ray flaw detector be in the starting point of corresponding expectation surveyed area position, preliminary work is finished, and can begin to detect.The flaw detection personnel assign instruction by electric-control system and handle pick-up unit in detecting engineering truck.Open the power supply of x-ray flaw detector and digital imaging apparatus, the X ray that sends along with x-ray flaw detector passes weld seam, received by digital imaging apparatus after being attenuated certain intensity, digital imaging apparatus is converted into electronic signal with the intensity of the X ray that measures, be transferred to main frame, main frame is converted into into digital picture with the electronic signal that receives and shows that on testing staff's computer display the evaluation personnel just can evaluate testing result in real time.
This device is at the not variation of the vertical amplitude of co-content storage tank shell, realize the detection of 0 to 3 meter weld seam, lengthwise movement mechanism realizes the stepless control of moving automatically, promptly at first utilize vertical lifting layer motion to finish 1.8 meters weld seam detection, when fusion length surpasses 1.8 meters, when promptly when x-ray flaw detector 7 and digital imaging apparatus 16 move downward the least significant end of tensile layer frame 4, also being not enough to satisfy 3 meters long weld seam detection and requiring, just require tensile layer frame 4 to stretch out downwards and realize increasing journey.Switching mode is by near switch; when detecting instrument during near tensile layer frame bottom near switch closure lifting layer servomotor 14 shut down, 8 work of tensile layer servomotor; realize automatically switching to stably longitudinal stretching layer motion, realize continuously, motion control stably.So just can realize the steadily vertically vertical movement continuously synchronously of digital imaging apparatus and x-ray flaw detector, thereby realize the Digital Detecting of storage tank longitudinal joint from 0 meter to 3 meters movement travels.
When digital imaging system is transferred to girth joint and the longitudinal seam digital image information that collects on testing staff's the computer display, in real time testing result is evaluated and stored by the evaluation personnel.Guaranteed the reliable, objective, complete, accurate of testing result, increased substantially storage tank weld seam detection efficient and, realize long-range evaluation, improved detection efficiency greatly, reduced labour intensity by Network Transmission.
Claims (6)
1. storage tank weld seam X ray digitizing the cannot-harm-detection device mainly comprises riding door type frame, movement guide mechanism (2), transverse movement mechanism (11), lengthwise movement mechanism and digital imaging system; Described riding door type frame is made up of outer frame (1) and interior framework (18), and described outer frame (1) is connected by fixed pin (12) and locating piece (13) with interior framework (18), and mechanical damping device (10) is housed between interior outer frame (1,18); Transverse movement mechanism (11) is equipped with in the upper end of outer frame (1); The bottom of outer frame (1) and interior framework (18) is equipped with two cover movement guide mechanisms (2) respectively; Interior outer frame (1,18) opposed inside respectively is equipped with a cover lengthwise movement mechanism.
2. storage tank weld seam X ray digitizing the cannot-harm-detection device according to claim 1, it is characterized in that: described movement guide mechanism (2) is installed on the bearing (19), bearing (19) is fixed on outer frame (1) and the interior framework (18), described movement guide mechanism (2) is mainly formed described shell (33), nut (34) and screw rod (36) threaded engagement by shell (33), nut (34), handwheel (35), screw rod (36), orienting lug (37) and top wheel (38); One end of screw rod (36) is handwheel (35) fixedly, and the fixing top wheel of the other end of nut (34) (38) is equipped with orienting lug (37) in the gathering sill of nut (34).
3. storage tank weld seam X ray digitizing the cannot-harm-detection device according to claim 1, it is characterized in that: described transverse movement mechanism (11) is installed in the upper end of outer frame (1) by bolt (23), move horizontally wheels (22) by two, a walking beam (24), two transverse movement motors (25) and supporting reduction gear (26) are formed, move horizontally wheels (22) and be fixed in the two ends of walking beam (24) by alignment pin (30) and tight fixed bolt (31), transverse movement motor (25) and supporting reduction gear (26) are separately fixed at the opposite side that moves horizontally wheels (22), and at the both ends of the surface fixed card slot plate (32) of walking beam (24).
4. storage tank weld seam X ray digitizing the cannot-harm-detection device according to claim 1 is characterized in that: described lengthwise movement mechanism comprises vertical lifting layer motion and longitudinal stretching layer motion; Described longitudinal stretching layer motion is made up of fromer rail (3), tensile layer frame (4), rear rail (5), movable slider two (27), fixed slider (20), tensile layer leading screw (15), tensile layer servomotor (8), tensile layer servomotor (8) is connected with tensile layer leading screw (15), drive tensile layer frame (4) and be embedded in rack rail (28) lengthwise movement on outer frame (1) or the interior framework (18) by movable slider two (27) edges, fixed slider (20) and the rear rail (5) that is embedded in tensile layer frame (4) can play guide effect; Described vertical lifting layer motion is made up of movable slider one (21), lifting layer leading screw (29), lifting layer servomotor (14), x-ray flaw detector support (6) and digital imaging apparatus support (17), described lifting layer servomotor (14) connects lifting layer leading screw (29), drives x-ray flaw detector support (6) and digital imaging apparatus support (17) and vertically moves along the fromer rail (3) that is embedded in tensile layer frame (4) by movable slider one (21).
5. storage tank weld seam X ray digitizing the cannot-harm-detection device according to claim 1, it is characterized in that: described digital imaging system comprises x-ray flaw detector (7) and digital imaging apparatus (16), x-ray flaw detector (7) is installed on the x-ray flaw detector support (6), and digital imaging apparatus (16) is installed on the digital imaging apparatus support (17).
6. storage tank weld seam x ray digitizing the cannot-harm-detection device according to claim 1, it is characterized in that: the top of described outer frame (1) and interior framework (18) is welded with hanger (9) respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140352 CN203101291U (en) | 2013-03-26 | 2013-03-26 | X-ray digitalized nondestructive testing device for welding line of storage tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320140352 CN203101291U (en) | 2013-03-26 | 2013-03-26 | X-ray digitalized nondestructive testing device for welding line of storage tank |
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| CN203101291U true CN203101291U (en) | 2013-07-31 |
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| CN 201320140352 Withdrawn - After Issue CN203101291U (en) | 2013-03-26 | 2013-03-26 | X-ray digitalized nondestructive testing device for welding line of storage tank |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196928A (en) * | 2013-03-26 | 2013-07-10 | 中国石油天然气集团公司 | X-ray digital nondestructive detection device and method of welding seam of storage tank |
| CN103470909A (en) * | 2013-09-10 | 2013-12-25 | 东北石油大学 | Pipeline weld detecting device applied to agricultural irrigation field |
| CN104634881A (en) * | 2015-01-12 | 2015-05-20 | 江苏三合声源超声波科技有限公司 | Crawling car for automatic ultrasonic aluminum alloy bar flaw detection device |
| CN105301021A (en) * | 2015-11-11 | 2016-02-03 | 江苏省特种设备安全监督检验研究院 | Digital flat panel ray detection imaging system based on Mecanum wheels |
| CN109682841A (en) * | 2019-01-10 | 2019-04-26 | 上海航菱航空科技发展有限公司 | A kind of mechanical synchronization telecontrol equipment for industrial X-ray flaw detection |
| CN111982937A (en) * | 2020-08-26 | 2020-11-24 | 大冶市探伤机有限责任公司 | Automatic calibrating installation of X-ray flaw detection |
-
2013
- 2013-03-26 CN CN 201320140352 patent/CN203101291U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196928A (en) * | 2013-03-26 | 2013-07-10 | 中国石油天然气集团公司 | X-ray digital nondestructive detection device and method of welding seam of storage tank |
| CN103470909A (en) * | 2013-09-10 | 2013-12-25 | 东北石油大学 | Pipeline weld detecting device applied to agricultural irrigation field |
| CN104634881A (en) * | 2015-01-12 | 2015-05-20 | 江苏三合声源超声波科技有限公司 | Crawling car for automatic ultrasonic aluminum alloy bar flaw detection device |
| CN105301021A (en) * | 2015-11-11 | 2016-02-03 | 江苏省特种设备安全监督检验研究院 | Digital flat panel ray detection imaging system based on Mecanum wheels |
| CN105301021B (en) * | 2015-11-11 | 2017-06-27 | 江苏省特种设备安全监督检验研究院 | Digital flat panel ray detection imaging system based on Mecanum wheels |
| CN109682841A (en) * | 2019-01-10 | 2019-04-26 | 上海航菱航空科技发展有限公司 | A kind of mechanical synchronization telecontrol equipment for industrial X-ray flaw detection |
| CN111982937A (en) * | 2020-08-26 | 2020-11-24 | 大冶市探伤机有限责任公司 | Automatic calibrating installation of X-ray flaw detection |
| CN111982937B (en) * | 2020-08-26 | 2023-08-15 | 大冶市探伤机有限责任公司 | Automatic calibrating device of X-ray inspection |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20141231 |
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