CN117169463B - Omnibearing flaw detection device for welding line of pressure container - Google Patents
Omnibearing flaw detection device for welding line of pressure container Download PDFInfo
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- CN117169463B CN117169463B CN202311140752.3A CN202311140752A CN117169463B CN 117169463 B CN117169463 B CN 117169463B CN 202311140752 A CN202311140752 A CN 202311140752A CN 117169463 B CN117169463 B CN 117169463B
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- 238000001514 detection method Methods 0.000 title claims abstract description 87
- 238000003466 welding Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 84
- 238000007689 inspection Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000007547 defect Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention relates to the field of pressure vessel detection, in particular to a pressure vessel welding line omnibearing flaw detection device, which comprises a support base, wherein the support base comprises a top plate, a support column, a first bottom plate and a circumferential panel, a clamping mechanism is arranged in the support base, a rotating mechanism is arranged outside the support base, the rotating mechanism comprises a circular support bottom plate and an annular base, a second annular chute is formed in the upper surface of the annular base, two movable seats are symmetrically arranged in the second annular chute, each movable seat comprises an arc-shaped sliding block and a first movable shaft, one end of the first movable shaft is provided with a flaw detection mechanism, the flaw detection mechanism comprises a rectangular support bottom plate, and a flaw detection structure is arranged on the rectangular support bottom plate; the invention is provided with the rotating mechanism and the two flaw detection mechanisms, the rotating mechanism comprises the annular base and the two movable seats, and the two movable seats respectively drive the two flaw detection structures to rotate around the welding seam, so that the moving stroke of the wire rod is reduced to finish the omnibearing flaw detection of the welding seam.
Description
Technical Field
The invention relates to the field of pressure vessel detection, in particular to an omnibearing flaw detection device for a welding line of a pressure vessel.
Background
The pressure container is a closed device which is filled with gas or liquid and can bear certain pressure, and the pressure container cannot be integrally formed generally, so that all parts are connected in a welding mode in the manufacturing process of the pressure container, if a welding position has a defect, the pressure borne by the position with the defect is smaller, and when the pressure is overlarge, the welding seam is extremely easy to crack.
The device for detecting the weld joint flaw of the pressure container and the using method thereof disclosed in the Chinese patent CN115494156B are characterized in that a detection component is fixedly arranged, and when the weld joint is detected, a driving component drives the pressure container to rotate at a constant speed, so that the omnibearing flaw detection of the weld joint is realized.
In the scheme, if the pressure container is large in mass and volume, the pressure container cannot be conveniently driven to rotate at a constant speed, if the pressure container is fixed, the flaw detection assembly needs to rotate around the pressure container for one circle, and a longer line needs to be reserved for the line of the flaw detection assembly to rotate around the pressure container, so that the wiring of the device line is complex.
Disclosure of Invention
The invention provides an omnibearing flaw detection device for a welding line of a pressure container, aiming at the problems existing in the prior art.
In order to solve the problems in the prior art, the invention provides an omnibearing flaw detection device for a welding seam of a pressure container, which comprises a support base, wherein the support base comprises a top plate, a support column is arranged in the middle of the lower surface of the top plate, a first bottom plate is arranged at the lower end of the support column, a circumferential panel is arranged between the first bottom plate and the top plate, a clamping mechanism is arranged in the support base, a rotating mechanism is arranged outside the support base and comprises a circular support bottom plate, the upper surface of the circular support bottom plate is connected with the lower surface of the first bottom plate, an annular base is arranged on the circular support bottom plate, the axis of the annular base is collinear with the axis of the support base, the lower surface of the annular base is connected with the upper surface of the circular support bottom plate, a second annular chute is arranged on the upper surface of the annular base, two movable seats are symmetrically arranged in the second annular chute, each movable seat comprises an arc-shaped sliding block, a first movable shaft is arranged in the middle of the arc-shaped sliding block, one end of the first movable shaft is connected with the arc-shaped sliding block, the other end of the first movable shaft is provided with a rectangular support bottom plate, the flaw detection mechanism is arranged at the other end of the first movable shaft, the lower end of the rectangular support bottom plate is connected with the other end of the first movable shaft, the rectangular bottom plate is connected with the other end of the movable bottom plate, the flaw detection mechanism is arranged along the diameter direction of the rectangular support bottom plate, and a flaw detection structure is arranged on the rectangular bottom plate.
Preferably, the upper end of the first movable shaft is provided with a first gear, one side of the first gear is provided with a first outer gear ring, the first outer gear ring is fixedly connected with the circumferential panel, the first outer gear ring is connected with the first gear in a meshed manner, the other side of the first gear is provided with an inner gear ring, the inner gear ring is connected with the first gear in a meshed manner, a second outer gear ring is arranged outside the inner gear ring, an annular connecting frame is arranged between the second outer gear ring and the inner gear ring, an annular convex block is arranged on the lower surface of the annular connecting frame, a first annular sliding groove is formed in the upper surface of the circular supporting bottom plate, the annular convex block is arranged in the first annular sliding groove in a sliding manner, one side of the second outer gear ring is provided with a second gear, the second gear is connected with the second outer gear ring in a meshed manner, and one side of the second gear is provided with a second driving motor, and an output shaft of the second driving motor is connected with the second gear.
Preferably, the middle part of arc slider has seted up the through-hole, is provided with at least one fixture block in the through-hole, and at least one draw-in groove has been seted up to the one end of first removal axle, and the fixture block cooperatees with the draw-in groove.
Preferably, a linear moving mechanism for adjusting the distance between the flaw detection structure and the welding line is arranged between the flaw detection structure and the rectangular supporting bottom plate.
Preferably, the flaw detection structure comprises an elastic supporting arm, one end of the elastic supporting arm is connected with the output end of the linear movement mechanism, the other end of the elastic supporting arm is provided with a cover body, a flaw detection head is arranged in the cover body, and two first rollers are symmetrically arranged at the open end of the cover body.
Preferably, one end of the elastic supporting arm is provided with a lifting mechanism for adjusting the height of the flaw detection head.
Preferably, one end of the cover body is provided with the dust removing mechanism, the dust removing mechanism includes first connecting plate, the one end of first connecting plate is articulated with the open end of the cover body, the bilateral symmetry of the other end of first connecting plate is provided with two first compression springs, the one end of first compression springs is articulated with the other end of first connecting plate, the other end of first compression springs is articulated with the one end of the cover body, first rectangle logical groove has been seted up at the middle part of first connecting plate, be provided with the second pivot in the first rectangle logical groove, the cover is equipped with the cleaning roller in the second pivot, one side of first rectangle logical groove is provided with the second actuating mechanism who is used for driving second pivot pivoted, the bilateral symmetry at first connecting plate middle part is provided with two second gyro wheels.
Preferably, the other end of the cover body is provided with a marking mechanism, the marking mechanism comprises a second connecting plate, one end of the second connecting plate is hinged with the opening end of the cover body, two second pressure springs are symmetrically arranged at two sides of the other end of the second connecting plate, one end of each second pressure spring is hinged with the other end of the second connecting plate, the other end of each second pressure spring is hinged with the other end of the cover body, a second rectangular through groove is formed in the middle of the second connecting plate, an installation seat is arranged in the rectangular through groove, a stepped hole is formed in the installation seat, a third pressure spring is placed in the stepped hole, a marking spray head is further inserted in the stepped hole, a pressing cylinder is arranged at the upper end of the marking spray head, and two third rollers are symmetrically arranged at two sides of the middle of the second connecting plate.
Preferably, the stepped hole has a plurality of, and the third compression spring has all been placed in a plurality of stepped hole, and all inserts in a plurality of stepped hole and be equipped with the mark shower nozzle, and the upper end of every mark shower nozzle all is provided with down the cylinder.
Preferably, a plurality of first bar-shaped through grooves are formed in the surface of the top plate, a plurality of first bar-shaped through grooves are arranged in an annular array mode relative to the center of the top plate, a clamping structure is arranged in each first bar-shaped through groove, each first clamping structure comprises a first rectangular frame, a first guide rod is arranged in each first rectangular frame, a first sliding block is arranged on each first guide rod in a sliding mode, a first reset spring is further sleeved on each first guide rod, one end of each first reset spring is in butt joint with the first sliding block, the other end of each first reset spring is in butt joint with the inner wall of each first rectangular frame, an upper supporting plate is arranged at the upper end of each first sliding block, a rubber cushion block is arranged on one side of each upper supporting plate, a lower connecting block is arranged at one side of each lower connecting block, one end of each pull rope is fixedly connected with each lower connecting block, a winch is sleeved outside each supporting column, the other end of each pull rope is inserted into each winch in the diameter direction of each winch, a first rotating shaft is fixedly connected with each winch, the upper end of each first rotating shaft is fixedly connected with each winch, each first rotating shaft is connected with each winch, the corresponding first rotating shaft is arranged at the lower end of each first rotating shaft, each first rotating shaft is fixedly connected with each first rotating shaft, a first rotating shaft is, each first rotating shaft is respectively, a heat dissipation grille is arranged on the circumference of the first rotating plates, and the upper driving boards are arranged.
Compared with the prior art, the beneficial effects of this application are:
1. the invention is provided with the rotating mechanism and the two flaw detection mechanisms, the rotating mechanism comprises the annular base and the two moving seats, the two moving seats respectively drive the two flaw detection structures to rotate around the welding line, when the arc-shaped sliding blocks slide for 180 degrees, the two flaw detection mechanisms stop moving, at the moment, the two flaw detection mechanisms realize the omnibearing flaw detection coverage of the welding line, and then the two arc-shaped sliding blocks rotate, so that the two flaw detection mechanisms rotate for 180 degrees to finish resetting, and the omnibearing flaw detection of the welding line is realized by reducing the moving stroke of wires.
2. The invention is provided with a first outer gear ring, an inner gear ring, a second outer gear ring, an annular connecting frame, a second gear and a second driving motor, wherein the second driving motor drives the second gear to rotate, the second gear drives the second outer gear ring to rotate, the second outer gear ring drives the annular connecting frame to rotate, an annular lug on the annular connecting frame slides in a first annular sliding groove on a circular supporting bottom plate, the annular connecting frame drives the inner gear ring to rotate, the inner gear ring simultaneously drives two first gears to rotate, the first inner gear ring can not rotate, the two first gears roll around the first inner gear ring towards the same direction, the first moving shaft is driven to rotate around the pressure container by the movement of the first gear, and the two first gears are driven to rotate simultaneously, so that the two first gears are prevented from rotating 180 degrees around the first outer gear ring within the same time, and the other first gear is prevented from rotating 180 degrees around the first outer gear ring, so that the two flaw detection structures simultaneously complete rotating 180 degrees around the pressure container.
3. The invention is provided with the clamping block, one end of the first movable shaft is provided with the clamping groove, the first movable shaft is inserted into the through hole, and the clamping block is clamped in the clamping groove, so that the first movable shaft cannot rotate relative to the arc-shaped sliding block, and the rectangular supporting bottom plate at the other end of the first movable shaft always faces the center of the pressure container, thereby realizing that the flaw detection structure cannot rotate when the flaw detection structure rotates around the pressure container.
Drawings
FIG. 1 is a front view of an all-round inspection apparatus for welded seams of a pressure vessel.
FIG. 2 is a left side view of an all-round inspection apparatus for welded seams of pressure vessels.
Fig. 3 is a cross-sectional view at A-A in fig. 2.
FIG. 4 is a perspective view of an omnibearing pressure vessel weld inspection apparatus.
FIG. 5 is a perspective view of a rotating mechanism in a pressure vessel weld omnibearing inspection apparatus.
FIG. 6 is a perspective view of a circular support base plate and annular connector in an omnibearing pressure vessel weld inspection apparatus.
FIG. 7 is a perspective view of an arcuate slider, a first movable shaft and a fixture block in an all-dimensional inspection apparatus for welded seams of a pressure vessel.
FIG. 8 is a perspective view of a flaw detection mechanism in a pressure vessel weld omnibearing flaw detection apparatus.
Fig. 9 is a perspective view of a flaw detection structure in the pressure vessel weld omnibearing flaw detection device.
Fig. 10 is a perspective view of a lifting mechanism in a pressure vessel weld omnibearing flaw detection device.
FIG. 11 is a perspective view of a dust removal mechanism in a pressure vessel weld omnibearing inspection apparatus.
FIG. 12 is a front view of a marking mechanism in a pressure vessel weld omnibearing inspection apparatus.
Fig. 13 is a cross-sectional view at B-B in fig. 12.
FIG. 14 is a perspective view of a clamping mechanism in a pressure vessel weld omnibearing inspection apparatus.
The reference numerals in the figures are: 1-a supporting base; 11-top plate; 111-a first strip-shaped through groove; 12-supporting columns; 13-a first bottom plate; 14-a circumferential panel; 141-a heat-dissipating grille; 2-a clamping mechanism; 21-a clamping structure; 211-a first rectangular frame; 212-a first guide bar; 213-a first slider; 214-a first return spring; 215-upper support plate; 216-rubber cushion blocks; 217-lower connection block; 218-pulling rope; 22-winch; 23-a first rotating shaft; 24-a first drive mechanism; 241-first bevel gear; 242-a second bevel gear; 243-a first drive motor; 3-a rotation mechanism; 31-a circular support floor; 311-a first annular chute; 32-an annular base; 321-a second annular chute; 33-a mobile seat; 331-arc-shaped slide block; 3311-through hole; 332-a first axis of movement; 3321-card slot; 333-first gear; 334-clamping blocks; 34-a first external ring gear; 35-an inner gear ring; 36-a second outer ring gear; 37-ring-shaped connection frame; 371-annular bump; 38-a second gear; 39-a second drive motor; 4-flaw detection mechanism; 41-a rectangular supporting base plate; 42-flaw detection structure; 421-resilient support arms; 4211-a first sleeve; 4212-a second sleeve; 4213-a second return spring; 422-cover; 423-flaw detection head; 424-first roller; 43-linear movement mechanism; 431-a second rectangular box; 432-a second screw; 433-a second guide bar; 434-a second slider; 435-a third drive motor; 44-lifting mechanism; 441-U-shaped plates; 4411-a second bar-shaped through groove; 442-partition panel; 443-fourth drive motor; 444-third screw; 445-third guide bar; 446-a third slider; 45-a dust removing mechanism; 451-a first connection plate; 4511-first rectangular through slots; 452-a first pressure spring; 453-a second spindle; 454-cleaning rollers; 455-a second drive mechanism; 4551-fifth drive motor; 4552—a first drive wheel; 4553-a second drive wheel; 4554-drive belt; 456-a second roller; 46-a marking mechanism; 461-second connection plates; 4611-a second rectangular through slot; 462-a second pressure spring; 463-mount; 4631-stepped holes; 464-a third pressure spring; 465-marking the spray head; 466-a hold-down cylinder; 467-third roller.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 14, there is shown: the utility model provides a pressure vessel welding seam all-round flaw detection device, including supporting base 1, supporting base 1 includes roof 11, the middle part of roof 11 lower surface is provided with support column 12, the lower extreme of support column 12 is provided with first bottom plate 13, be provided with circumference panel 14 between first bottom plate 13 and the roof 11, supporting base 1's inside is provided with clamping mechanism 2, supporting base 1's outside is provided with rotary mechanism 3, rotary mechanism 3 includes circular supporting bottom plate 31, circular supporting bottom plate 31's upper surface is connected with first bottom plate 13's lower surface, be provided with annular base 32 on the circular supporting bottom plate 31, annular base 32's axis and supporting base 1's axis collineation, annular base 32's lower surface and circular supporting bottom plate 31's upper surface are connected, annular base 32's upper surface has seted up second annular spout 321, the symmetry is provided with two movable seat 33 in the second annular spout 321, movable seat 33 includes arc slider 331, arc slider 331's middle part is provided with first movable shaft 332, first movable shaft's 332's one end and arc slider 331 are connected, first movable shaft's other end is provided with circular supporting bottom plate 31, circular supporting bottom plate 4, rectangular bottom plate 4's upper surface is connected with rectangular bottom plate 41, the other end of the upper surface is provided with rectangular bottom plate 41 along the diameter of supporting bottom plate 41, 41 is connected with rectangular bottom plate 41, 41 is along the diameter of supporting bottom plate 41, 41 is connected with the upper end of the bottom plate 41, 41 is arranged along the diameter of the direction of the bottom plate 41.
The pressure container is large in size and heavy in weight, when the welding line of the pressure container is subjected to flaw detection, the pressure container is inconvenient to rotate, the flaw detection device rotates around the pressure container to enable wires such as a power line to move along the flaw detection device, the two flaw detection mechanisms 4 need to be reset in a large stroke after flaw detection is completed, as at most two flaw detection mechanisms 4 are used, an included angle between the two flaw detection mechanisms 4 is the largest, the pressure container with a larger size is conveniently placed on the support base 1, when the flaw detection device works, workers hoist the pressure container on the support base 1, the clamping mechanism 2 clamps the lower end of the pressure container on the support base 1, then the rotating mechanism 3 and the flaw detection mechanisms 4 work simultaneously, the two arc slide blocks 331 simultaneously move in the same direction along a second annular slide groove 321 on the annular base 32, the two flaw detection mechanisms 4 stop moving around the welding line after the arc slide blocks 331 slide 180 degrees, the two arc slide blocks 4 realize full-direction flaw detection coverage of the welding line, then the two arc slide blocks 4 rotate in a rotating mode, the two arc slide blocks 4 rotate 180 degrees, the two flaw detection mechanisms can complete full-direction detection of the welding line with the movement stroke, and the full-direction detection of the welding line is completed, and the full-direction detection of the movement of the welding line is reduced.
Referring to fig. 3, 4, 5 and 6, there are shown: the upper end of first movable shaft 332 is provided with first gear 333, one side of first gear 333 is provided with first outer ring gear 34, first outer ring gear 34 is fixedly connected with circumference panel 14, first outer ring gear 34 is connected with first gear 333 in a meshed manner, the opposite side of first gear 333 is provided with ring gear 35, ring gear 35 is connected with first gear 333 in a meshed manner, the outside of ring gear 35 is provided with second outer ring gear 36, be provided with annular link 37 between second outer ring gear 36 and ring gear 35, the lower surface of annular link 37 is provided with annular lug 371, first annular spout 311 has been seted up to the upper surface of circular support bottom plate 31, annular lug 371 slides and sets up in first annular spout 311, one side of second outer ring gear 36 is provided with second gear 38, second gear 38 is connected with second outer ring gear 36 in a meshed manner, one side of second gear 38 is provided with by second driving motor 39, the output shaft of second driving motor 39 is connected with second gear 38.
The second driving motor 39 drives the second gear 38 to rotate, the second gear 38 drives the second outer gear 36 to rotate, the second outer gear 36 drives the annular connecting frame 37 to rotate, the annular protruding block 371 on the annular connecting frame 37 slides in the first annular sliding groove 311 on the circular supporting bottom plate 31, the annular connecting frame 37 drives the annular gear 35 to rotate, the annular gear 35 simultaneously drives the two first gears 333 to rotate, the first annular gear 35 cannot rotate, the two first gears 333 roll around the first annular gear 35 towards the same direction, the movement of the first gears 333 drives the first movable shaft 332 to rotate around the pressure container, the two first gears 333 simultaneously rotate through driving the two first gears 333, the rotation angles of the two first gears 333 around the first outer gear 34 are the same in the same time, and the fact that one first gear 333 rotates 180 degrees around the first outer gear 34 and the other first gear 333 does not rotate 180 degrees around the first outer gear 34 is avoided, so that the two flaw detection structures 42 simultaneously complete rotation around the pressure container by 180 degrees.
Referring to fig. 3, 5 and 8, there is shown: the middle part of arc slider 331 has offered the through-hole 3311, is provided with at least one fixture block 334 in the through-hole 3311, and at least one draw-in groove 3321 has been offered to the one end of first movable shaft 332, and fixture block 334 cooperatees with draw-in groove 3321.
When the first gear 333 rolls around the first external gear, the first moving shaft 332 is driven to move along the annular base 32, meanwhile, the first gear 333 drives the first moving shaft 332 to rotate, the rectangular supporting bottom plate 41 rotates due to the self-rotation of the first moving shaft 332, the flaw detection structure 42 which rotates due to the rectangular supporting bottom plate 41 rotates, the flaw detection structure 42 is far away from a welding line, flaw detection of the welding line cannot be completed, a clamping block 334 is arranged in the middle of the arc-shaped sliding block 331, a clamping groove 3321 is formed in one end of the first moving shaft 332, the first moving shaft 332 is inserted into the through hole 3311, the clamping block 334 is clamped in the clamping groove 3321, the first moving shaft 332 cannot rotate relative to the arc-shaped sliding block 331, the rectangular supporting bottom plate 41 at the other end of the first moving shaft 332 always faces the center of the pressure container, and therefore the flaw detection structure 42 cannot rotate when the flaw detection structure 42 rotates around the pressure container.
Referring to fig. 3, 4 and 8, there is shown: the linear moving mechanism 43 used for adjusting the distance between the flaw detection structure 42 and the welding seam is arranged between the flaw detection structure 42 and the rectangular supporting bottom plate 41, the linear moving mechanism 43 comprises a second rectangular frame 431, a second screw rod 432 is arranged in the second rectangular frame 431, two second guide rods 433 are symmetrically arranged on two sides of the second screw rod 432, a second sliding block 434 is further arranged in the second rectangular frame 431, the second sliding block 434 is in transmission connection with the second screw rod 432, the second sliding block 434 is in sliding connection with the second guide rod 433, a third driving motor 435 is arranged at one end of the second screw rod 432, and an output shaft of the third driving motor 435 is in transmission connection with the second screw rod 432.
The pressure vessel is fixed on supporting base 1, third driving motor 435 drive second screw 432 rotates, because second slider 434 can't rotate for second screw 432 exerts the thrust to second slider 434, second slider 434 drives the structure 42 that detects a flaw and removes towards the pressure vessel, make the structure 42 that detects a flaw close to the welding seam, make the effect of detecting a flaw more accurate, when the diameter of pressure vessel is less, third driving motor 435 drive second slider 434 removes longer stroke towards the pressure vessel, thereby realize that the structure 42 that detects a flaw can detect a flaw to the pressure vessel of different diameters.
Referring to fig. 3, 8 and 9: the flaw detection structure 42 comprises an elastic support arm 421, one end of the elastic support arm 421 is connected with the output end of the linear movement mechanism 43, the other end of the elastic support arm 421 is provided with a cover body 422, a flaw detection head 423 is arranged in the cover body 422, two first rollers 424 are symmetrically arranged at the opening end of the cover body 422, the elastic support arm 421 comprises a first sleeve 4211, a second sleeve 4212 and a second return spring 4213, one end of the first sleeve 4211 is connected with a second sliding block 434, one end of the second sleeve 4212 is sleeved at the other end of the first sleeve 4211, the other end of the second sleeve 4212 is connected with one end of the cover body 422, a second return spring 4213 is arranged in the first sleeve 4211, one end of the second return spring 4213 is connected with the first sleeve 4211, and the other end of the second return spring 4213 is connected with the second sleeve 4212.
When the linear moving mechanism 43 pushes the flaw detection structure 42 to approach the pressure vessel, the two first rollers 424 at the opening end of the cover 422 are respectively abutted against the wall surfaces of the pressure vessel at the two sides of the welding seam, the linear moving mechanism 43 continues to push the cover 422 to move towards the pressure vessel, the pressure vessel applies opposite thrust to the cover 422, the first sleeve 4211 moves towards the second sleeve 4212, and the second return spring 4213 is compressed, so that the thrust applied to the cover 422 by the linear moving mechanism 43 is absorbed by the second return spring 4213, and the excessive force applied to the pressure vessel by the linear moving mechanism 43 through the cover 422 is avoided, so that the cover 422 is difficult to walk around the welding seam.
Referring to fig. 8 and 10, it is shown that: the one end of elastic support arm 421 is provided with the elevating system 44 that is used for adjusting the high of flaw detection head 423, elevating system 44 includes U template 441, the inside of U template 441 is provided with partition plate 442, be provided with fourth driving motor 443 between partition plate 442 and the one end of U template 441, be provided with third screw 444 between the other end of partition plate 442 and U template 441, the one end and the output shaft transmission of fourth driving motor 443 of third screw 444 are connected, the bilateral symmetry of third screw 444 is provided with two third guide bars 445, the last third slider 446 that slides that is provided with of third guide bar 445, third slider 446 is connected with the transmission of third screw 444, the second strip leads to the groove 4411 has been seted up on the U template 441, the one end of first sleeve 4211 passes second strip leads to groove 4411 and third slider 446 sliding connection.
Because the pressure container is manufactured by using different heights of raw materials, so that the heights of welding seams on the pressure container are different, before the inspection structure 42 is pushed to move towards the pressure container, the fourth driving motor 443 drives the third screw 444 to rotate, the third sliding block 446 cannot rotate under the action of the third guide rod 445, so that the third screw 444 applies thrust to the third sliding block 446, the third sliding block 446 drives the elastic supporting arm 421 to move up and down along the second strip-shaped through groove 4411, when the inspection head 423 moves to be level with the welding seams, the fourth driving motor 443 stops driving the third screw 444 to rotate, and because the third sliding block 446 cannot drive the third screw 444 to rotate, the position of the third sliding block 446 on the third screw 444 is fixed, so that the height of the inspection head 423 is fixed, and inspection of the welding seams with different heights on the pressure container is realized.
Referring to fig. 8 and 11, it is shown that: the dust removing mechanism 45 is arranged at one end of the cover body 422, the dust removing mechanism 45 comprises a first connecting plate 451, one end of the first connecting plate 451 is hinged with the opening end of the cover body 422, two first pressure springs 452 are symmetrically arranged at two sides of the other end of the first connecting plate 451, one end of each first pressure spring 452 is hinged with the other end of the first connecting plate 451, the other end of each first pressure spring 452 is hinged with one end of the cover body 422, a first rectangular through groove 4511 is formed in the middle of the first connecting plate 451, a second rotating shaft 453 is arranged in the first rectangular through groove 4511, a cleaning roller 454 is sleeved on the second rotating shaft 453, a second driving mechanism 455 for driving the second rotating shaft 453 to rotate is arranged at one side of the first rectangular through groove 4511, two second rollers 456 are symmetrically arranged at two sides of the middle of the first connecting plate 451, each second driving mechanism 455 comprises a first driving wheel 4552, a second driving wheel 4553, a fifth driving motor 4551 and a driving belt 4554, the two ends of the second driving wheel 4553 are connected with an output shaft of the fifth driving motor 4551, and the driving belt 4554 is respectively connected with the first driving wheel 4552 and the second driving wheel 4553.
The dust removing mechanism 45 is located at the front end of the moving direction of the cover 422, the first rectangular through groove 4511 is flush with the welding seam, the cleaning roller 454 is parallel to the plane where the axial cross section is located, the fifth driving motor 4551 drives the second driving wheel 4553 to rotate, the second driving wheel 4553 drives the first driving wheel 4552 to rotate through the driving belt 4554, the first driving wheel 4552 drives the second rotating shaft 453 to rotate, the second rotating shaft 453 drives the cleaning roller 454 to rotate, and the cleaning roller 454 rotates from the upper end of the welding seam towards the lower end of the welding seam, so that dust on the welding seam is cleaned, and the dust is prevented from interfering with flaw detection of the welding seam by the flaw detection head 423.
Referring to fig. 8, 12 and 13: the other end of the cover 422 is provided with a marking mechanism 46, the marking mechanism 46 comprises a second connecting plate 461, one end of the second connecting plate 461 is hinged with the opening end of the cover 422, two second pressure springs 462 are symmetrically arranged on two sides of the other end of the second connecting plate 461, one end of the second pressure springs 462 is hinged with the other end of the second connecting plate 461, the other end of the second pressure springs 462 is hinged with the other end of the cover 422, a second rectangular through groove 4611 is formed in the middle of the second connecting plate 461, a mounting seat 463 is arranged in the rectangular through groove, a stepped hole 463 is formed in the mounting seat 463, a third pressure spring 464 is arranged in the stepped hole 463, a marking spray nozzle 465 is further inserted in the stepped hole 463, a pressing cylinder 466 is arranged at the upper end of the marking spray nozzle 465, and two third rollers 467 are symmetrically arranged on two sides of the middle of the second connecting plate 461.
The marking mechanism 46 is arranged at the rear end of the moving direction of the cover body 422, the second pressure spring 462 applies thrust to the second connecting plate 461, so that the third rollers 467 at two sides of the second connecting plate 461 are abutted against the wall surface of the pressure container, when the flaw detection head 423 detects that a weld joint has a defect problem, the lower pressure cylinder 466 applies downward pressure to the marking spray nozzle 465, the third pressure spring 464 is compressed, the marking spray nozzle 465 is close to the weld joint and performs spray marking at the defective position, and therefore the defect position of the weld joint is marked immediately, and the reworking of the weld joint by workers is facilitated.
Referring to fig. 12 and 13: the stepped holes 4631 are provided with a plurality of third pressure springs 464, the third pressure springs 464 are respectively arranged in the stepped holes 4631, marking spray heads 465 are respectively inserted into the stepped holes 4631, and a pressing cylinder 466 is respectively arranged at the upper end of each marking spray head 465.
The second rectangle leads to groove 4611 and the plane that the welding seam is located are perpendicular, because the width of welding seam is different, the position height that appears the defect in the welding seam is different, consequently, set up a plurality of mark shower nozzles 465, the plane that a plurality of mark shower nozzles 465 are located is perpendicular with the plane that the welding seam is located, and a plurality of mark shower nozzles 465 can cover the width of welding seam, when the width of defect in the welding seam in vertical direction is wider in the inspection head 423 detection, a plurality of cylinder 466 pushes down simultaneously and marks a plurality of mark shower nozzles 465, when the both sides of welding seam have the defect, the cylinder 466 pushes down of both sides respectively and carries out the spraying mark to make marking mechanism 46 more accurate to the defect position mark of welding seam, and then improve the efficiency of reworking.
Referring to fig. 3 and 14, it is shown that: the surface of the top plate 11 is provided with a plurality of first strip-shaped through grooves 111, the plurality of first strip-shaped through grooves 111 are arranged in an annular array relative to the center of the top plate 11, each first strip-shaped through groove 111 is internally provided with a clamping structure 21, each first clamping structure 21 comprises a first rectangular frame 211, a first guide rod 212 is arranged in each first rectangular frame 211, a first sliding block 213 is arranged on each first guide rod 212 in a sliding manner, a first return spring 214 is also sleeved on each first guide rod 212, one end of each first return spring 214 is abutted with each first sliding block 213, the other end of each first return spring 214 is abutted with the inner wall of each first rectangular frame 211, the upper end of each first sliding block 213 is provided with an upper supporting plate 215, one side of each upper supporting plate 215 is provided with a rubber cushion block 216, the lower end of each first sliding block 213 is provided with a lower connecting block 217, one side of lower connecting block 217 is provided with stay cord 218, the one end and the lower connecting block 217 fixed connection of stay cord 218, the outside cover of support column 12 is equipped with capstan winch 22, the other end of stay cord 218 inserts capstan winch 22 along the diameter direction of capstan winch 22 to with capstan winch 22 fixed connection, the lower extreme of capstan winch 22 is provided with first pivot 23, the upper end and the capstan winch 22 fixed connection of first pivot 23, the lower extreme of first pivot 23 is provided with first actuating mechanism 24, set up the heat dissipation grid 141 on the circumference panel 14, first actuating mechanism 24 includes first bevel gear 241, second bevel gear 242 and first actuating motor 243, first bevel gear 241 and the lower extreme fixed connection of first pivot 23, second bevel gear 242 and first bevel gear 241 meshing transmission connection, the output shaft of first actuating motor 243 and second bevel gear 242 transmission connection.
The pressure vessel is placed on supporting base 1, first driving motor 243 drives second bevel gear 242 to rotate, second bevel gear 242 drives first bevel gear 241 to rotate, first pivot 23 drives capstan 22 to rotate, capstan 22 rolling stay cord 218, exert pulling force to stay cord 218, stay cord 218 pulling first slider 213 moves towards the center of roof 11 along first guide bar 212, make rubber cushion 216 and pressure vessel's wall contact, rubber cushion 216 can avoid pressure vessel's wall to appear wearing and tearing, when pressure vessel's diameter is different, the stay cord 218 length of capstan 22 rolling is also different, consequently, the stroke that first slider 213 moved is also different, thereby realize the clamp fixation to the pressure vessel of different diameters.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (5)
1. The utility model provides a pressure vessel welding seam all-round flaw detection device, including supporting base (1), a serial communication port, supporting base (1) includes roof (11), the middle part of roof (11) lower surface is provided with support column (12), the lower extreme of support column (12) is provided with first bottom plate (13), be provided with circumference panel (14) between first bottom plate (13) and roof (11), the inside of supporting base (1) is provided with clamping mechanism (2), the outside of supporting base (1) is provided with rotary mechanism (3), rotary mechanism (3) include circular supporting bottom plate (31), the upper surface of circular supporting bottom plate (31) is connected with the lower surface of first bottom plate (13), be provided with annular base (32) on circular supporting bottom plate (31), the axis of annular base (32) and the axis collineation of supporting base (1), the lower surface of annular base (32) is connected with the upper surface of circular supporting bottom plate (31), the upper surface of annular base (32) is provided with second annular spout (321), the interior symmetry of supporting base (321) is provided with two and removes seat (33), it includes slider (33) and slider (331) are provided with arc-shaped movable middle part (332) and arc-shaped slider (332), the other end of the first moving shaft (332) is provided with a flaw detection mechanism (4), the flaw detection mechanism (4) comprises a rectangular supporting bottom plate (41), the lower end of the rectangular supporting bottom plate (41) is connected with the other end of the first moving shaft (332), the rectangular supporting bottom plate (41) is arranged along the diameter direction of the supporting base (1), and the rectangular supporting bottom plate (41) is provided with a flaw detection structure (42);
a linear moving mechanism (43) for adjusting the distance between the flaw detection structure (42) and the welding line is arranged between the flaw detection structure (42) and the rectangular supporting bottom plate (41);
the flaw detection structure (42) comprises an elastic supporting arm (421), one end of the elastic supporting arm (421) is connected with the output end of the linear moving mechanism (43), the other end of the elastic supporting arm (421) is provided with a cover body (422), a flaw detection head (423) is arranged in the cover body (422), and two first rollers (424) are symmetrically arranged at the opening end of the cover body (422);
one end of the cover body (422) is provided with a dust removing mechanism (45), the dust removing mechanism (45) comprises a first connecting plate (451), one end of the first connecting plate (451) is hinged to the opening end of the cover body (422), two first pressure springs (452) are symmetrically arranged on two sides of the other end of the first connecting plate (451), one end of each first pressure spring (452) is hinged to the other end of the first connecting plate (451), the other end of each first pressure spring (452) is hinged to one end of the cover body (422), a first rectangular through groove (4511) is formed in the middle of each first connecting plate (451), a second rotating shaft (453) is arranged in the first rectangular through groove (4511), a cleaning roller (454) is sleeved on the second rotating shaft (453), two second driving mechanisms (455) for driving the second rotating shaft (453) are symmetrically arranged on one side of the middle of the first rectangular through groove (4511), and two second rollers (456) are symmetrically arranged on two sides of the middle of the first connecting plate (451).
The other end of the cover body (422) is provided with a marking mechanism (46), the marking mechanism (46) comprises a second connecting plate (461), one end of the second connecting plate (461) is hinged with the opening end of the cover body (422), two second pressure springs (462) are symmetrically arranged on two sides of the other end of the second connecting plate (461), one end of each second pressure spring (462) is hinged with the other end of the second connecting plate (461), the other end of each second pressure spring (462) is hinged with the other end of the cover body (422), a second rectangular through groove (4611) is formed in the middle of the second connecting plate (461), a mounting seat (463) is arranged in the rectangular through groove, a stepped hole (463) is formed in the mounting seat (463), a third pressure spring (464) is arranged in the stepped hole (463), marking spray heads (465) are further inserted in the stepped hole (463), a lower pressure cylinder (466) is arranged at the upper end of each marking spray head (465), and two third rollers (467) are symmetrically arranged on two sides of the middle of the second connecting plate (461);
the stepped holes (4631) are provided with a plurality of, third pressure springs (464) are respectively arranged in the stepped holes (4631), marking spray heads (465) are respectively inserted in the stepped holes (4631), and a lower pressure cylinder (466) is arranged at the upper end of each marking spray head (465).
2. The omnibearing flaw detection device for welded seams of pressure vessels according to claim 1, characterized in that a first gear (333) is arranged at the upper end of a first movable shaft (332), a first outer gear ring (34) is arranged on one side of the first gear (333), the first outer gear ring (34) is fixedly connected with a circumferential panel (14), the first outer gear ring (34) is meshed with the first gear (333), an inner gear ring (35) is arranged on the other side of the first gear (333), the inner gear ring (35) is meshed with the first gear (333), a second outer gear ring (36) is arranged outside the inner gear ring (35), an annular connecting frame (37) is arranged between the second outer gear ring (36) and the inner gear ring (35), an annular protruding block (371) is arranged on the lower surface of the annular connecting frame (37), a first annular sliding groove (311) is formed in the upper surface of a circular supporting base plate (31), a second gear (38) is arranged on one side of the second outer gear ring (36), the second gear ring (38) is meshed with the second outer gear ring motor (36), the second gear ring motor (38) is connected with the second gear ring motor (38), and the second gear ring motor (38) is meshed with the second gear ring (39) and is meshed with the second output shaft (39).
3. The omnibearing flaw detection device for welded seams of pressure vessels according to claim 2, characterized in that a through hole (3311) is provided in the middle of the arc-shaped slide block (331), at least one clamping block (334) is provided in the through hole (3311), at least one clamping groove (3321) is provided at one end of the first moving shaft (332), and the clamping block (334) is matched with the clamping groove (3321).
4. The omnibearing pressure vessel weld inspection device according to claim 1, wherein one end of the elastic supporting arm (421) is provided with a lifting mechanism (44) for adjusting the height of the inspection head (423).
5. The omnibearing pressure vessel weld joint flaw detection device according to claim 1, wherein a plurality of first strip-shaped through grooves (111) are formed in the surface of the top plate (11), the plurality of first strip-shaped through grooves (111) are arranged in a central annular array with respect to the top plate (11), one clamping structure (21) is arranged in each first strip-shaped through groove (111), the first clamping structure (21) comprises a first rectangular frame (211), a first guide rod (212) is arranged in the first rectangular frame (211), a first sliding block (213) is arranged on the first guide rod (212) in a sliding manner, a first return spring (214) is further sleeved on the first guide rod (212), one end of the first return spring (214) is in butt joint with the first sliding block (213), the other end of the first return spring (214) is in butt joint with the inner wall of the first rectangular frame (211), an upper supporting plate (215) is arranged at the upper end of the first sliding block (213), one side of the upper supporting plate (215) is provided with a rubber cushion block (216), a lower end (217) of the first sliding block (213) is provided with a lower end (217), one side (218) of the lower end (218) is provided with a lower connecting block (218) is fixedly connected with a connecting block (12), the other end of stay cord (218) inserts capstan winch (22) along the diameter direction of capstan winch (22) to with capstan winch (22) fixed connection, the lower extreme of capstan winch (22) is provided with first pivot (23), the upper end and the capstan winch (22) fixed connection of first pivot (23), the lower extreme of first pivot (23) is provided with first actuating mechanism (24).
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| CN202311140752.3A CN117169463B (en) | 2023-09-06 | 2023-09-06 | Omnibearing flaw detection device for welding line of pressure container |
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| CN117169463B true CN117169463B (en) | 2024-03-19 |
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| CN117949311A (en) * | 2024-01-19 | 2024-04-30 | 华电电力科学研究院有限公司 | Pressure vessel bearing performance detection equipment |
| CN118348222B (en) * | 2024-06-18 | 2024-09-03 | 山东大业股份有限公司 | Environment-friendly flat steel wire surface defect detector |
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| JPH1062393A (en) * | 1996-08-23 | 1998-03-06 | Mitsubishi Heavy Ind Ltd | Inspecting device of circumferential weld part |
| CN111537605A (en) * | 2020-04-15 | 2020-08-14 | 广东核电合营有限公司 | Butt weld detection device |
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