CN102384826A - Weld joint tightness verifying device - Google Patents
Weld joint tightness verifying device Download PDFInfo
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- CN102384826A CN102384826A CN2011102365340A CN201110236534A CN102384826A CN 102384826 A CN102384826 A CN 102384826A CN 2011102365340 A CN2011102365340 A CN 2011102365340A CN 201110236534 A CN201110236534 A CN 201110236534A CN 102384826 A CN102384826 A CN 102384826A
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- 206010023230 Joint stiffness Diseases 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 238000003466 welding Methods 0.000 claims abstract description 29
- 210000001503 joint Anatomy 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 abstract description 4
- 238000005476 soldering Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 9
- 238000007689 inspection Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
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- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 239000012141 concentrate Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012029 structural testing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to a device for verifying the weld joint tightness of a ship body in a segmented manner, which solves the problem of small adaptation range of the original verifying device and comprises a shield body with an opening on the bottom surface, wherein the shield body comprises a two-surface verifying shield with openings on the bottom surface and one side surface, a three-surface verifying shield with openings on the bottom surface and adjacent two side surfaces, and a shield plate matched with one open side surface of the three-surface verifying shield; the open side surface of the two-surface verifying shield is butted with one open side surface of the three-surface verifying shield; the shield plate is embedded on the other open side surface of the three-surface verifying shield and is butted with the open side surface of the two-surface verifying shield to form a shield body; sealing strips are arranged at the connecting parts of the two-surface verifying shield, the three-surface verifying shield and the shield plate; clamping slots used for butting are arranged on the sealing strips; and the device additionally comprises an angle-adjustable rotary folding shield. A splicing structure is adopted by the device, little verifying equipment is provided, the operation and the movement are more convenient, and the verifying requirements of welding angles of various two-flat-surface plates can be adapted.
Description
Technical field
The present invention relates to a kind of close property verifying attachment, the segmentation verifying attachment of the close property of particularly a kind of ship hull weld joint.
Technical background
To the check of hull cabin tightness of welding lines, adopt classic method be wash by water, pour water, kerosene and pump gas etc.The kerosine test method is because of receiving the long influence of cabin structure, weather condition and test period, so use is disagreed with by ship inspection department; And the tightness test of pouring water limits use again because of the restriction of the bearing load that receives the building berth basal plane and row's water injection time are long.Shipbuilding industry adopts cabin pump air-tight test more at present; Adopt this method that many advantages are no doubt arranged; But limitation also being arranged, when promptly carrying out the pump air-tight test. the front and back, cabin all must be connected complete up and down, so influence the installation of the application paint and the launching ways plate of next procedure.Also has a kind of method that adopts close property vacuum (-tight) housing butt welded seam to carry out the segmentation check; Even close property cabin is not complete; Also can implement whenever and wherever possible, this method becomes the close property inspection of each bar fillet weld, butt-weld with the whole close property inspection of cabin filled type, makes inner generation of close property vacuum (-tight) housing be lower than extraneous air pressure through bleeding; If there is defective in tightness of welding lines; The suds of smearing so in welded joints will produce bubble, so just can advance to the sectional making stage to the inspection of close property, reduce or cancel the close property inspection work in later stage to greatest extent; Can also protect the paint integrality of full segmentation in addition, accomplish disposable application completion.
But the weld seam present position is different everywhere owing to hull, and the soldering angle of commissure all has difference, therefore needs the seal closure of the various angles of design adaptation.The notification number of announcing on March 28th, 2007 like Patent Office of the People's Republic of China is the patent of CN2884173Y; Name is called vacuum sealing device; This vacuum seal closure assembly comprises: seal closure, constitute the cover body of seal cavity with being verified plate and seam thereof, and Zhoukou City of this cover body is coated with caulking gum; On the housing of seal closure, be provided with the nozzle mechanism of vacuum meter, handle and threeway shape, this nozzle mechanism has inlet channel, outlet passageway and air intake passage, and the air intake passage of described nozzle mechanism links to each other with the housing of seal closure.The form of the close property of this novel practical closure assembly according to the different characteristics of version, position and the weld seam present position in cabin, is processed different shapes and is applicable to the different different check needs of various product.This has installed according to different weld seam angle design the seal closure of a large amount of different shapes; The accommodation of each seal closure is little; Therefore all need select suitable seal closure for use during every place weld inspection, waste time and energy, and because the seal closure shape is of a great variety; Carry inconvenience, use very trouble.
Summary of the invention
The objective of the invention is to provides the tightness of welding lines verifying attachment of the multiple different weld seam angles of a kind of adaptation that can be out of shape to the problem of the close property of existing hull verifying attachment seal closure to different angles weld seam bad adaptability, the multiple difform seal closure of needs.
The technical solution adopted for the present invention to solve the technical problems is: a kind of tightness of welding lines verifying attachment; The cover body that comprises the bottom surface opening; The bottom surface ring is provided with O-ring seal in week; Cover body is provided with air extractor and tensimeter; At least one side of cover body is a transparent panel, cover body comprise two sides check cover, bottom surface and adjacent two lateral openings of a bottom surface and a lateral opening three check covers, with cover plate that open side matches of three check covers, two sides check cover open side dock with three one of them open side of check cover, cover plate is embedded on three another open side of check cover and covers open side with the two sides check and docks the composition cover body; The junction of two sides check cover, three check covers and cover plate is equipped with sealing strip, and sealing strip is provided with the draw-in groove that is used to dock.Cover body can be split into two sides check cover, three checks are covered and three parts of cover plate, is bolted together when forming cover body, can form the tightness of welding lines of check two boards material plane butt joint welding formation; When taking apart, the tightness of welding lines that two sides check cover can check the welding of two boards material right angle to form, three check covers can check the three-lane road material directly to weld the corner tightness of welding lines of formation.Adopt the draw-in groove on the sealing strip to peg graft in the time of splicing, raised line is set on the madial wall of draw-in groove to improve sealing.As preferred version, two open side geomeries of three check covers are identical, and cover plate can direct splicing be checked the check of the enterprising parallel planes weld seam of open side of cover to the two sides, and check this moment is section shorter, can adapt to less check space.
As preferably, be respectively equipped with air extractor and tensimeter on two sides check cover and three check covers.Two sides check cover can independently carry out work respectively with three check covers, when being spliced into cover body, can select wherein one group of air extractor and tensimeter for use, also can use simultaneously with increase efficient.
As preferably, said two sides check cover covers on adjacent with the open side separately side with three checks and is equipped with sealing strip.Two sides check cover and three check covers can independently use the sealing between assurance and the hull plate.
As preferably, said two sides check cover dock with three check covers and be the butt joint between the sealing strip, the sealing strip draw-in groove mutual dislocation of two sides check cover and three check covers, formation dentation interlock between the sealing strip after docking.Sealing after both can having guaranteed to dock guarantees also that when independent the use sealing strip of two cover bodies all has the enough width assurances and the sealing property of hull plate.As other scheme, the form that two sealing strips are respectively draw-in groove and raised line cooperates, because narrow with the hull plate surface of contact, sealing property is not as the sealing strip of draw-in groove structure when independent the use for the sealing strip that this scheme is shaped as raised line.
As preferably; Said tightness of welding lines verifying attachment also comprises a rotary folding cover; The rotary folding cover comprises the U-shaped skeleton that some ends are hinged; Adopt the folding covering of high-air-tightness to link to each other between each U type skeleton, outermost two U type skeletons are provided with sealing strip, and the U-shaped skeleton of one of them side of rotary folding cover docks with two sides check cover open side and matches.When the hull plate soldering angle was spent greater than 90, two sides check cover can't directly be suitable for, the rotary folding cover of the external adjustable-angle of check cover open side on the two sides, and the angle that can regulate the rotary folding cover is to adapt to the soldering angle greater than 90 degree.The U-shaped skeleton for the rotary folding cover provides support, avoid since inside and outside differential pressure cause the covering excessive deformation.Covering can adopt opaque material to process, and can observe from the sidewall that the two sides check is covered.The fit system of rotary folding cover and two sides check cover open side is the grafting between the sealing strip, and sealing strip draw-in groove mutual dislocation forms the dentation interlock between the sealing strip of butt joint back.
As preferably; Be provided with positioning strip between two U-shaped skeletons of said rotary folding cover outermost; Positioning strip one end is hinged with one of them U-shaped skeleton, the other end adopts chute to cooperate with another U-shaped skeleton, and is provided with bolt in the positioning strip end that cooperates with chute.According to the soldering angle of hull plate, adjusting rotary folding cover adopt positioning strip that the start point of rotary folding cover is remained unchanged, so positioning strip need be designed to adapt to the adjustable structure of various angles to suitable start point.As preferred structure, an end and the U-shaped skeletal fixation that can rotate a side that positioning strip is hinged, and chute is arranged on the U-shaped skeleton near two sides check cover one side, is convenient to regulate operation.
As preferably, said positioning strip is provided with in rotary folding cover symmetria bilateralis.
As preferably; Adopting the side between rotary folding cover and the two sides check cover is that the switching piece of right-angle triangle docks; The vertical straight arm of angle of switching piece matches with the vertical side of two sides check cover open side and docks; The hypotenuse of switching piece matches with the U-shaped skeleton side of rotary folding cover and docks, and the base of the U-shaped skeleton of rotary folding cover is docked with the top margin of two sides check cover open side and matched.The rotary folding cover can only satisfy 90 with the form that two sides check cover directly docks and spend the demand of above soldering angle, and also there is the soldering angle less than 90 degree usually in hull plate, and for avoiding stress too concentrated, soldering angle usually can be less than 45 degree.This preferred version has designed the switching piece of right-angle triangle, is equivalent to the initial adjustment angle of rotary folding cover is reduced to the angle at switching piece base angle, makes the adjusting form of rotary folding cover can adapt to the low-angle check.The base angle angle that the switching piece cooperates with rotary folding cover jointed shaft can be between 30～45 degree.Therefore the base of switching piece need be provided with sealing strip with the hull plate contact.The hypotenuse length of switching piece and the side arm of U-shaped skeleton are isometric, guarantee sealing.As preferably, positioning strip is arranged between the end face of U-shaped skeleton and two sides check cover of adjustable side, and adjustable chute is arranged on the dual-side of two sides check cover end face.
As preferably, said switching piece comprises the side plate and the joint pin that is connected biside plate of two right-angle triangles.This device is a purpose with the check tightness of welding lines, and therefore contacting a side with weld seam must be designed to hatch frame, and the switching piece is fixed through joint pin by two blocks of side plates; It between the base angle of side plate hatch frame; Satisfy the check needs, side plate and joint pin can be selected transparent material for use, are convenient to visual observation.As preferably, switching piece integral body is selected for use and the identical material of two sides check cover, to eliminate the matching problem that environmental change was produced.
As preferably, said rotary folding cover is structure as a whole with the switching piece, and the switching piece is the extended structure of outermost U-shaped skeleton.Directly the rotary folding cover of butt joint is inconsistent with the brachium of the rotary folding cover U-shaped skeleton that uses the switching of switching piece; The rotary folding cover of therefore transferring piece and cooperating with it needs supporting use; Therefore can be with the rotary folding cover of transferring piece and cooperating with it directly as integrative-structure; Reduce mating surface, improve the reliability of sealing.
As preferably; Said air extractor comprises a fluidic channel and a bleed-off passage, and fluidic channel comprises an air intake opening and a gas outlet, bleed-off passage one end and cover body internal communication; One end is communicated with fluidic channel, and bleed-off passage one end that is communicated with fluidic channel bends to air outlet side.Adopt jet current principle to bleed, the external equipment of air-extractor is more light, is convenient to move check.As other scheme, air extractor also can use equipment such as air pump.
As preferably, two sides check cover, three check covers and cover plate all adopt transparent material to process, and transparent material can be materials such as plastics, organic glass.
The present invention has adopted the cover body of splicing structure, adopts few parts of trying one's best to satisfy the inspection of hermetic seal of most of hull plate weld seam soldering angle, makes inspection machine still less, operation and mobile more convenient; Adopt the rotary folding cover structure of adjustable-angle, make this device can adapt to the check demand of various two flat sheet soldering angles.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention, and transparent visible dorsal part outline line adopts dotted line to represent among the figure.
Fig. 2 is the decomposition texture synoptic diagram of Fig. 1.
Fig. 3 is to use the rotary folding cover to cooperate the structural representation of two sides check cover.
Fig. 4 is the partial enlarged drawing at A place among Fig. 3.
Fig. 5 is the rotary folding cover utilization structure figure that adopts the switching of switching piece.
Fig. 6 is the docking structure synoptic diagram of sealing strip draw-in groove.
Fig. 7 is the docking structure synoptic diagram of cover plate and sealing strip draw-in groove.
Fig. 8 is the another kind of docking structure synoptic diagram of cover plate and sealing strip draw-in groove.
Fig. 9 is the structural representation of air extractor.
Among the figure: 1. cover body, 2. tensimeter, 3. air extractor, 4. sealing strip, 5. two sides check cover, 6. three check covers; 7. cover plate, 8. rotary folding cover, 9.U shape skeleton, 10. positioning strip, 11. chutes; 12. the switching piece, 13. joint pins, 14. draw-in grooves, 15. fluidic channel, 16. bleed-off passages.
Embodiment
Below through specific embodiment and combine accompanying drawing that the present invention is further specified.
Embodiment: a kind of tightness of welding lines verifying attachment, extremely shown in Figure 5 like Fig. 1.This device is an assembly type, can assemble adaptation according to different hull plate soldering angles.
Structure such as Fig. 1, shown in Figure 2 of this device check plane and right angle weld seam, cover body 1 is assemblied to form by two sides check cover 5, three check covers 6, cover plates 7 of adopting transparent organic glass to process.Two sides check cover 5 is the square casing of bottom surface and right flank opening; The end face of check cover 5 also is provided with tensimeter 2 and air extractor 3 on the two sides; On all sides of the open side of two sides check cover 5, be equipped with sealing strip 4; Two sides check cover 5 can independently use, and is used to the weld seam of checking two hull plate right angle butt welding to form.Three check covers 6 are the housing of opening for bottom surface, leading flank and left surface; Three check cover 6 integral body are square; Cover the formation scarf of cutting sth. askew on the crossing angle of 6 end faces, trailing flank and right flanks three checks, strengthen three check covers 6 bulk strengths, not flexible types; End face at three check covers 6 also is provided with tensimeter 2 and air extractor 3; On all sides of the open side of three check covers 6, being equipped with 4, three check covers 6 of sealing strip can independently use, and is used to the corner type weld seam of checking the right angle welding in twos of three hull plates to form.Cover plate 7 is and three consistent flat boards of check cover 6 leading flank opening shapes that cover plate 7 bases are provided with sealing strip 4.Said sealing strip 4 is provided with the draw-in groove of butt joint usefulness; Left surface and leading flank shape that 5 right flank, three check covers 6 are covered in the two sides check are identical; The right flank of two sides check cover 5 and the left surface alignment assembly unit of three check covers 6 also utilize the butt joint of sealing strip 4 draw-in grooves; Cover plate 7 and three check cover 6 leading flank assembly units are also pegged graft the upper side edge and the left and right sides side of cover plate with sealing strip 4 draw-in grooves, the cover body 1 that assembling forms can be used to check the weld seam of hull plate plane welding, when space, weld seam place than hour; Can not use three check covers 6, directly check the right flank of cover 5 to use to the two sides cover plate 7 assembly units.
This device check sheet material soldering angle is greater than the structure of the weld seam of 90 degree, like Fig. 3, shown in Figure 4.When this device is checked greater than the weld seam of 90 degree,, adopt two sides check cover 5 to cooperate rotary folding covers 8 to assemble and use three on the cover body 1 check covers 6 and cover plate 7 dismountings.Rotary folding cover 8 has plurality of U-shaped skeleton 9; The end of two arms of each U-shaped skeleton 9 is hinged respectively; Adopt the covering of high-air-tightness to link together between each U-shaped skeleton 9; Rotary folding cover 8 is the structure of left and right sides opening, on the U-shaped skeleton 9 of the leftmost side and the rightmost side, has outside sealing strip.The both sides of rotary folding cover 8 are respectively equipped with a positioning strip 10; The right-hand member of positioning strip 10 is hinged on the middle part of doing right side U-shaped skeleton 9; Leftmost side U-shaped skeleton 9 is provided with vertical chute 11, and the left end of positioning strip 10 slidably is connected with chute 11, and adopts set bolt to position.The size of the size of U-shaped skeleton 9 and two sides check cover 5 right flank openings matches; Leftmost side U-shaped skeleton 9 docks with two sides check cover 5 right openings faces; U-shaped skeleton 9 pin joints align with check cover 5 bases, two sides; Make the adjustable angle joint between the plane, right side of bottom surface and rotary folding cover 8 of two sides check cover 5, according to adopting positioning strip 10 location to test after the soldering angle adapt of weld seam.Because covering is opaque, can observe through the transparent side surfaces of two sides check cover 5 during check.
This device check sheet material soldering angle is less than the structure of the weld seam of 90 degree, and is as shown in Figure 5.Transfer through switching piece 12 between two sides check cover 5 and the rotary folding cover 8; Switching piece 12 is connected to form through two joint pins 13 for two modification of right-angled triangle plate in both sides; Spacing is identical between spacing between two modification of right-angled triangle plate and U-shaped skeleton 9 and the two sides check cover 5 right side dual-sides; The vertical straight arm of angle of two modification of right-angled triangle plate and the consistent and butt joint of two sides check cover 5 right side dual-side height, the base angle of two modification of right-angled triangle plate is 40 degree.The hypotenuse of two modification of right-angled triangle plate is consistent with two arm lengths of U-shaped skeleton 9, and two modification of right-angled triangle plate and 9 liang of arms of leftmost side U-shaped skeleton are made of one structure, and switching piece 12 is as the extension block of leftmost side U-shaped skeleton 9.Two right-angle sides in two modification of right-angled triangle plate are provided with sealing strip.Between the side arm root of rightmost side U-shaped skeleton 9 and two sides check cover 5 end face sides, be provided with positioning strip 10, positioning strip 10 right-hand members and rightmost side U-shaped skeleton are 9 hinged, left end checks the chute that covers on the 5 end face sides to be slidingly matched with the two sides.The hull plate soldering angle generally is not less than 40 degree and concentrates to avoid stress, and this structure can be checked the hull plate weld seam greater than 40 degree, and when soldering angle is spent greater than 90, as long as launch also can adopt this structural testing in the range of adjustment at rotary folding cover 8.
The structure of sealing strip 4 draw-in grooves butt joint is as shown in Figure 6, and Fig. 6 is an example with the butt joint of 5 and three check covers 6 of two sides check cover, and the sealing strip draw-in groove 14 of 5 and three check covers 6 of two sides check cover staggers each other, forms the dentation interlock.This sealing structure property is good, and when having guaranteed the independent use of 5 and three check covers of two sides check cover 6, the surface of contact of enough width is arranged between sealing strip 4 and the sheet material.Equally, the structure of other positions employing sealing strip 4 butt joints is with shown in Figure 6 consistent.
Cover plate and draw-in groove connected structure such as Fig. 7, shown in Figure 8, cover plate 7 is provided with spacing raised line with draw-in groove 14 splicing positions, and the depth capacity that cover plate 7 is pegged graft limits, and makes cooperation more accurate.
Air extractor is as shown in Figure 9, and air extractor 3 has fluidic channel 15 and vertical bleed-off passage 16 of a level, and fluidic channel 15 right-hand members are that air intake opening, the left end of high velocity air is the gas outlet; Bleed-off passage 16 bottoms are communicated with cover body 1; The top is communicated with fluidic channel and to air outlet side deflection, when high velocity air passes through fluidic channel, forms jet in bleed-off passage 16 upper ends; Drive bleed-off passage 16 interior air-flows and upwards flow, gas in the cover body is extracted out formed low pressure.
When this device uses, can select appropriate module to carry out assembly unit, carry out the tightness of welding lines check according to the difference of hull plate soldering angle.
Claims (10)
1. tightness of welding lines verifying attachment; The cover body that comprises the bottom surface opening; The bottom surface ring is provided with O-ring seal in week; Cover body is provided with air extractor and tensimeter; At least one side of cover body is a transparent panel, it is characterized in that: cover body comprise two sides check cover, bottom surface and adjacent two lateral openings of a bottom surface and a lateral opening three check covers, with cover plate that open side matches of three check covers, two sides check cover open side dock with three one of them open side of check cover, cover plate is embedded on three another open side of check cover and covers open side with the two sides check and docks the composition cover body; The junction of two sides check cover, three check covers and cover plate is equipped with sealing strip, and sealing strip is provided with the draw-in groove that is used to dock.
2. tightness of welding lines verifying attachment according to claim 1 is characterized in that: be respectively equipped with air extractor and tensimeter on two sides check cover and three check covers.
3. tightness of welding lines verifying attachment according to claim 1 is characterized in that: said two sides check cover covers on adjacent with the open side separately side with three checks and is equipped with sealing strip.
4. tightness of welding lines verifying attachment according to claim 3; It is characterized in that: said two sides check cover docks with three check covers and is the butt joint between the sealing strip; Two sides check cover and three sealing strip draw-in groove mutual dislocation of checking cover form the dentation interlock between the sealing strip of butt joint back.
5. according to claim 1 or 2 or 3 or 4 described tightness of welding lines verifying attachments; It is characterized in that: said tightness of welding lines verifying attachment also comprises a rotary folding cover; The rotary folding cover comprises the U-shaped skeleton that some ends are hinged; Adopt the folding covering of high-air-tightness to link to each other between each U type skeleton, outermost two U type skeletons are provided with sealing strip, and the U-shaped skeleton of one of them side of rotary folding cover docks with two sides check cover open side and matches.
6. tightness of welding lines verifying attachment according to claim 5; It is characterized in that: be provided with positioning strip between two U-shaped skeletons of said rotary folding cover outermost; Positioning strip one end is hinged with one of them U-shaped skeleton, the other end adopts chute to cooperate with another U-shaped skeleton, and is provided with bolt in the positioning strip end that cooperates with chute.
7. tightness of welding lines verifying attachment according to claim 6 is characterized in that: said positioning strip is provided with in rotary folding cover symmetria bilateralis.
8. tightness of welding lines verifying attachment according to claim 5; It is characterized in that: adopting the side between rotary folding cover and the two sides check cover is that the switching piece of right-angle triangle docks; The vertical straight arm of angle of switching piece matches with the vertical side of two sides check cover open side and docks; The hypotenuse of switching piece matches with the U-shaped skeleton side of rotary folding cover and docks, and the base of the U-shaped skeleton of rotary folding cover is docked with the top margin of two sides check cover open side and matched.
9. tightness of welding lines verifying attachment according to claim 8 is characterized in that: said switching piece comprises the side plate and the joint pin that is connected biside plate of two right-angle triangles.
10. tightness of welding lines verifying attachment according to claim 9 is characterized in that: said rotary folding cover is structure as a whole with the switching piece, and the switching piece is the extended structure of outermost U-shaped skeleton.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110236534 CN102384826B (en) | 2011-08-18 | 2011-08-18 | Weld joint tightness verifying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110236534 CN102384826B (en) | 2011-08-18 | 2011-08-18 | Weld joint tightness verifying device |
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| CN102384826A true CN102384826A (en) | 2012-03-21 |
| CN102384826B CN102384826B (en) | 2013-07-10 |
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| CN 201110236534 Active CN102384826B (en) | 2011-08-18 | 2011-08-18 | Weld joint tightness verifying device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743531A (en) * | 2013-12-26 | 2014-04-23 | 沪东中华造船(集团)有限公司 | Airtightness tool for pipe system cabin penetrating member and method for mounting airtightness tool |
| CN103852224A (en) * | 2014-03-18 | 2014-06-11 | 罗放武 | Fuel gas watchcase leakage detection device and detection method |
| CN104316274A (en) * | 2014-10-14 | 2015-01-28 | 江苏扬子鑫福造船有限公司 | Full-angle vacuum verifying device |
| CN104677564A (en) * | 2015-03-11 | 2015-06-03 | 浙江造船有限公司 | Tightness test device of ship |
| CN109297644A (en) * | 2018-10-31 | 2019-02-01 | 上海江南长兴造船有限责任公司 | A kind of close property detection method for 90 ° of fillet welds at LNG ship CM node |
| CN109297646A (en) * | 2018-10-31 | 2019-02-01 | 上海江南长兴造船有限责任公司 | A kind of vacuum plant detected for 90 ° of fillet weld sealing properties at LNG ship CM node |
| CN109297645A (en) * | 2018-10-31 | 2019-02-01 | 上海江南长兴造船有限责任公司 | A kind of close property detection method for 45° angle weld seam at LNG ship CM node |
| CN109297647A (en) * | 2018-10-31 | 2019-02-01 | 上海江南长兴造船有限责任公司 | A kind of close property detection vacuum plant for 45° angle weld seam at LNG ship CM node |
| CN117232745A (en) * | 2023-08-03 | 2023-12-15 | 苏州凯尔森气滤系统有限公司 | Scanning leak detection device |
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| CN103743531A (en) * | 2013-12-26 | 2014-04-23 | 沪东中华造船(集团)有限公司 | Airtightness tool for pipe system cabin penetrating member and method for mounting airtightness tool |
| CN103852224A (en) * | 2014-03-18 | 2014-06-11 | 罗放武 | Fuel gas watchcase leakage detection device and detection method |
| CN104316274A (en) * | 2014-10-14 | 2015-01-28 | 江苏扬子鑫福造船有限公司 | Full-angle vacuum verifying device |
| CN104677564A (en) * | 2015-03-11 | 2015-06-03 | 浙江造船有限公司 | Tightness test device of ship |
| CN109297644A (en) * | 2018-10-31 | 2019-02-01 | 上海江南长兴造船有限责任公司 | A kind of close property detection method for 90 ° of fillet welds at LNG ship CM node |
| CN109297646A (en) * | 2018-10-31 | 2019-02-01 | 上海江南长兴造船有限责任公司 | A kind of vacuum plant detected for 90 ° of fillet weld sealing properties at LNG ship CM node |
| CN109297645A (en) * | 2018-10-31 | 2019-02-01 | 上海江南长兴造船有限责任公司 | A kind of close property detection method for 45° angle weld seam at LNG ship CM node |
| CN109297647A (en) * | 2018-10-31 | 2019-02-01 | 上海江南长兴造船有限责任公司 | A kind of close property detection vacuum plant for 45° angle weld seam at LNG ship CM node |
| CN117232745A (en) * | 2023-08-03 | 2023-12-15 | 苏州凯尔森气滤系统有限公司 | Scanning leak detection device |
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Application publication date: 20120321 Assignee: Zhoushan Xinli Technology Co.,Ltd. Assignor: ZHEJIANG MARINE DEVELOPMENT Research Institute Contract record no.: X2023980044397 Denomination of invention: Weld seam tightness inspection device Granted publication date: 20130710 License type: Common License Record date: 20231025 Application publication date: 20120321 Assignee: ZHEJIANG HUAGANG ELECTRIC TECHNOLOGY Co.,Ltd. Assignor: ZHEJIANG MARINE DEVELOPMENT Research Institute Contract record no.: X2023980044363 Denomination of invention: Weld seam tightness inspection device Granted publication date: 20130710 License type: Common License Record date: 20231025 Application publication date: 20120321 Assignee: Zhoushan Liyuan Machinery Co.,Ltd. Assignor: ZHEJIANG MARINE DEVELOPMENT Research Institute Contract record no.: X2023980044126 Denomination of invention: Weld seam tightness inspection device Granted publication date: 20130710 License type: Common License Record date: 20231023 |