CN203875462U - Stud type positioning clamp - Google Patents
Stud type positioning clamp Download PDFInfo
- Publication number
- CN203875462U CN203875462U CN201420306979.0U CN201420306979U CN203875462U CN 203875462 U CN203875462 U CN 203875462U CN 201420306979 U CN201420306979 U CN 201420306979U CN 203875462 U CN203875462 U CN 203875462U
- Authority
- CN
- China
- Prior art keywords
- welding
- stud
- card code
- screw
- locator card
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000003466 welding Methods 0.000 claims abstract description 96
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims description 7
- 238000004021 metal welding Methods 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000010953 base metal Substances 0.000 abstract 2
- 239000002184 metal Substances 0.000 description 22
- 229910052751 metal Inorganic materials 0.000 description 22
- 238000005520 cutting process Methods 0.000 description 9
- 238000005498 polishing Methods 0.000 description 9
- 230000008439 repair process Effects 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000004224 protection Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Abstract
The utility model discloses a stud type positioning clamp which is a cuboid steel clamp. An arch part is formed on the lower portion of the clamp, positions welded with base metal are arranged on the two sides of the arch part, stud holes are formed in the two sides of the arch part in the clamp, and matched stud welding nails are mounted in the stud holes for welding. The stud type positioning clamp has the advantages that operation is easy, the stud welding nails of the stud type positioning clamp and the positioning clamp are fastened through bolts, mounting is convenient and fast, repeated dismounting and using can be achieved, the cleaning efficiency of a welding foot is high, the surface quality of the base metal cannot be damaged, and harm to operators is small in the welding process.
Description
Technical field
The utility model relates to a kind of for splicing the locator card code of weldering, and the assembling and positioning and the misalignment that are particularly useful for metal structure splicing welding joint are corrected.
Background technology
Development along with modern industry, splicing application between sheet metal is more and more, for example steel tube factory needs steel plate to splice before rolled steel tube, and then rolling welding forming, or for some valuable sheet metal, processed clout be spliced into rectangular, through cutting out shaping, coiling, is applied to other field.In shipbuilding field, field of aerospace, the splicing weldering that keel welding location, dull and stereotyped abutment joint welding are located, closed up between the sheet materials such as seam welding location is also too numerous to enumerate.
The location of metal current structures to form weld seam adopts arc welding formula card code location mostly, even arc welding or CO by hand
2the method of gas shielded arc welding is welded on weld seam both sides by locator card code; after splicing welding joint welding, the general method of oxy-acetylene gas cutting of using is removed card code; adopt the method for carbon arc air gouging to remove card code leg; the situation on polishing backsight mother metal surface determines whether need repair welding (according to statistics; more than 80% card code leg needs repair welding); if need repair welding, after repair welding, need polishing welding seams reinforcement.Traditional locator card code shape, as shown in accompanying drawing 1,2, is generally cuboid card code, offers below arch position, and arch both sides are and mother metal welding position that wherein arch position underneath is put splicing seams, facilitates welding gun process.If the sheet material weld seam of splicing is longer, in construction, often needs to use a plurality of card codes and position.
The shortcoming of above-mentioned arc welding formula locator card code is as follows:
1, according to the construction process requirement of arc welding formula locator card code, card code is generally greater than 50mm with the leg length of mother metal welding position, more than 80% card code leg need to pass through the operation of gas cutting, carbon arc air gouging, polishing, repair welding, polishing repair welding reinforcement, the common more than 30 minutes in man-hour of processing 1 card code leg, cost of labor is very high;
2, after splicing is soldered into, general flame cutting or the carbon arc air gouging of adopting removed arc welding formula locator card code, loss ratio to card code is larger, generally arc welding formula locator card code is just done and is scrapped processing after using 2-3 time, steel consumption amount is large, and the card code of recycling needs polishing cleaning before reusing, time and effort consuming, has increased cost of labor;
3, after adopting arc welding formula card code positioning process to splicing welding joint welding, because card code must be removed, the method that usually occurs the hammering of operating personnel's Misuse is removed the phenomenon of blocking code, its consequence is exactly to cause a large amount of damages on the surface of mother metal, increase repair welding workload, and can bring mother metal problem off quality;
4, high to the requirement of operating personnel's technical ability, need to need multiplex (MUX) to plant coordinating operation through welding technical ability and the carbon arc air gouging operative skill of professional training, increase the human cost of enterprise;
5, operating process needs the operations such as welding, gouge, can produce a large amount of flue dust, noise and arc light, to operating personnel's health, can produce infringement in various degree, and operating environment is produced to certain pollution;
While 6, adopting arc welding locator card code welding location, sweating heat input quantity is larger; usually can damage mother metal back side paint; especially shipbuilding industry need to meet the special-purpose seawater ballast tank of < < boats and ships and two topside place protective finish performance standard > > (PSPC) rules of bulk freighter; when if the paint at the mother metal back side damages the quantity that surpasses rule request; need to re-start sanding and application; this will extend construction period and increase construction cost, reduce the market competitiveness of enterprise.
Utility model content
Utility model object: for the problems referred to above, the purpose of this utility model is to provide a kind of simple, convenient double-screw bolt formula locator card code that the cleaning of misalignment rectification, leg efficiently, does not damage mother metal surface that carries out.
Technical scheme: a kind of double-screw bolt formula locator card code, for cuboid steel card code, it offers arch position below, and arch both sides are and mother metal welding position, described card code offers stud bolt hole in both sides, described arch position, the stud welding screw of coupling is installed in described stud bolt hole and welds.
Adopt double-screw bolt formula locator card code, with fastening nuts locator card code, by stud welding, stud welding screw is welded on to the both sides of splicing welding joint, thereby reach the object of assembling and positioning and misalignment rectification.Stud welding is by welding current, in a short period of time, stud welding screw and mother metal contact portion is melted, and forms and connects.
Described stud bolt hole is cylindrical or elliptical cylinder-shape.Due to oval stud welding screw and mother metal contact weld part, compare longlyer with circular stud welding screw, locating effect can be better.
Described stud bolt hole is at least offered 2 in a side at described arch position, is applicable to the assembling and positioning of cut deal and misalignment to correct.
Described stud welding screw surface is covered and is added with ceramic protective layer, and stud welding screw adopts arc pulling type welding method will weld nail welding on mother metal, appearance of weld and arc extinguishing when ceramic protective layer impels stud welding screw and mother metal welding.
Beneficial effect: compared with prior art, the utility model has the advantages that:
1, simple to operate, common operating personnel can skillfully be grasped stud welding through the training of half a day, accurately judges the welding quality of weld seam;
2, between the double-screw bolt formula of double-screw bolt formula locator card code weldering nail and locator card code, adopt bolted, it is convenient to install, and depending on the situation of mother metal thickness of slab and structure, can carry out the leveling of 3~10mm misalignment;
3, the cleaning of double-screw bolt formula locator card code leg only needs gas cutting, polishing, and the used time is no more than 1 minute, compares with the leg cleaning of arc welding locator card code, and efficiency can improve decades of times;
4, effectively guarantee mother metal surface quality, after the polishing of the weld seam leg of normal operating, mother metal surface does not have defect, and without repair welding, weldering nail can only adopt the mode of cutting to remove, and avoids operating personnel to use hammering etc. to dismantle in violation of rules and regulations locator card code and damages mother metal;
5, stud welding only has micro-flue dust, very little to operating personnel's infringement; Stud welding screw adopts porcelain ring protection to make weld seam be easy to moulding and arc extinguishing, and operating personnel even can carry out welding job in the situation that of the protections such as unshielded face shield;
6, after the dismounting of double-screw bolt formula locator card code, without processing, can be repeatedly used, save the blanking of arc welding locator card code or block the finishing polishing operation after code reclaims, reduce production costs.
Accompanying drawing explanation
Fig. 1 is existing arc welding formula locator card code structure front view;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the utility model structural front view;
Fig. 4 is the upward view of Fig. 3;
Fig. 5 is embodiment 2 structural front view;
Fig. 6 is the upward view of Fig. 5.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment and only for the utility model is described, be not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
Embodiment 1: as shown in accompanying drawing 3-4, a kind of double-screw bolt formula locator card code, be used for splicing weldering, for cuboid steel card code 1, its bottom offers arch position 2, arch both sides are and the welding position 3 of mother metal, and 2 both sides, arch position respectively offer the stud bolt hole 4 that runs through upper and lower faces, and the stud welding screw of the interior installation coupling of stud bolt hole 4 is also welded with fastening nuts.
Stud bolt hole 4 is cylindrical or elliptical cylinder-shape, the offering position and should remain on same straight line of stud bolt hole 4, corresponding, stud welding screw is circular double-screw bolt or oval double-screw bolt, convenient for assembly.It is longer that oval stud welding screw and mother metal contact weld part are compared with circular stud welding screw, and locating effect can be better.
If the sheet material weld seam of splicing is longer, in construction, often need to position with a plurality of the utility model.
Appearance of weld and arc extinguishing while welding with mother metal in order to impel, stud welding screw of the present utility model adopts porcelain ring protection, and stud welding screw surface is covered and is added with ceramic protective layer.In order to save cost, this ceramic protective layer can only cover the part that cuboid card code is stretched out in stud welding screw bottom, also can produce the supporting ceramic protection ring of special-purpose and stud welding screw, is enclosed within the part that cuboid card code is stretched out in stud welding screw bottom.
Embodiment 2: substantially the same manner as Example 1, difference is: as shown in accompanying drawing 5-6, one side at arch position 2 is at least offered 2 stud bolt holes 4, according to actual conditions needs, increase the quantity of stud bolt hole and the size of change locator card code, form reinforced double-screw bolt formula locator card code, the assembling and positioning and the misalignment that are applicable to cut deal are corrected.
Compare with embodiment 1, the quantity of stud welding screw increases, and the lengthening of locator card code, so locating effect is better.
Concrete manufacturing process of the present utility model is: select Britain Taylor stud welding machine; power supply model is System1200E; welding gun model is DA2; use the reinforced double-screw bolt formula locator card code of 12 embodiment 2; the overall dimensions of each double-screw bolt formula locator card code are 280mm * 40mm * 80mm; supporting 3 stud welding screw, each stud welding screw is equipped with nut and special-purpose ceramic protection ring, and 5 meters of 32500 tons of ships steel plates long, that 5mm is thick are spliced to weldering.
Concrete technology flow process is as follows:
1, the preset work of splicing steel plate is carried out in operation area in the open, before welding, check groove size, fit-up gap and clean-up performance, guarantee that weld groove form meets technological requirement, and thoroughly remove paint, factor that greasy dirt, moisture, iron rust, iron scale etc. affect welding quality;
2, adopt respectively the mode of stud welding by the 12 equidistant both sides that are welded on splicing welding joint of cover stud welding screw, during welding screw weldering nail, need to guarantee that stud welding screw is vertical with plate as far as possible;
3, card code is enclosed within stud welding screw, therefore because stud welding screw diameter is less than stud bolt hole, card code is than being easier to pack into stud welding screw, when the head of three stud welding screw of discovery is no longer on straight line, can gently break the head of stud welding screw, make it to be inserted in the stud bolt hole of card code; Then with fastening nuts locator card code and tighten up, carry out assembling and positioning and misalignment and correct, if there is the structure on both sides to have misalignment, when tightening up nut, card code can be at leisure the structure on both sides to flat, reach the object of correcting misalignment; After nut screwing clamping, check whether the misalignment situation of structure meets the requirements, if undesirable, can continue to adjust unfitness of butt joint by fastening nut, until meet the demands, guarantee that the docking of steel plate meets the relevant specification requirement of welding;
4, method and the welding parameter of adopting process regulation are spliced weldering, if single face welding and double face shaping will note welding gesture, the moulding of assurance aspect meets the demands; After if backing welding completes, capping need to adopt Lincoln weld, at this moment can remove locator card code, in order to avoid affect the walking of Lincoln weld dolly;
5, weld rear dismounting nut and locator card code, with spanner, unclamped nut, removed card code, if code is more difficult because welding deformation is pulled down card, can rap card code, until remove;
6, adopt gas cutting, carbon arc air gouging or special-purpose abrasive machine cutting stud welding screw, or adopt carbon arc air gouging to cut off stud welding screw, note not damaging mother metal;
7, leg is carried out to gas cutting, polishing, make it concordant with mother metal, complete cleaning.
Claims (4)
1. a double-screw bolt formula locator card code, for cuboid steel card code (1), it offers arch position (2) below, arch both sides are and mother metal welding position (3), it is characterized in that: described card code (1) offers stud bolt hole (4) in both sides, described arch position (2), the stud welding screw of coupling is installed in described stud bolt hole (4) and welds.
2. double-screw bolt formula locator card code according to claim 1, is characterized in that: described stud bolt hole (4) is cylindrical or elliptical cylinder-shape.
3. double-screw bolt formula locator card code according to claim 1, is characterized in that: described stud bolt hole (4) is at least offered 2 in a side at described arch position (2).
4. double-screw bolt formula locator card code according to claim 1, is characterized in that: described stud welding screw surface is covered and is added with ceramic protective layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420306979.0U CN203875462U (en) | 2014-06-10 | 2014-06-10 | Stud type positioning clamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420306979.0U CN203875462U (en) | 2014-06-10 | 2014-06-10 | Stud type positioning clamp |
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CN203875462U true CN203875462U (en) | 2014-10-15 |
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CN201420306979.0U Expired - Lifetime CN203875462U (en) | 2014-06-10 | 2014-06-10 | Stud type positioning clamp |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105485121A (en) * | 2016-01-27 | 2016-04-13 | 广州凯弧贸易有限公司 | Cutting-free weld bolt for stud type positioning connector for tailor welding and using method |
CN107470827A (en) * | 2017-09-07 | 2017-12-15 | 上海振华重工(集团)股份有限公司 | The active card code frock of piece stud and the active card code method of piece stud |
CN108098174A (en) * | 2017-12-27 | 2018-06-01 | 广船国际有限公司 | A kind of ship slab segment carrying assembly method |
CN110844021A (en) * | 2019-09-27 | 2020-02-28 | 广州文冲船厂有限责任公司 | Channel steel hoop tool and connecting method of channel steel and segmented parent metal |
-
2014
- 2014-06-10 CN CN201420306979.0U patent/CN203875462U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105485121A (en) * | 2016-01-27 | 2016-04-13 | 广州凯弧贸易有限公司 | Cutting-free weld bolt for stud type positioning connector for tailor welding and using method |
CN105485121B (en) * | 2016-01-27 | 2017-11-17 | 广州凯弧贸易有限公司 | Exempt from cutting weld bolt and application method for splicing weldering stud formula locator card code |
CN107470827A (en) * | 2017-09-07 | 2017-12-15 | 上海振华重工(集团)股份有限公司 | The active card code frock of piece stud and the active card code method of piece stud |
CN108098174A (en) * | 2017-12-27 | 2018-06-01 | 广船国际有限公司 | A kind of ship slab segment carrying assembly method |
CN110844021A (en) * | 2019-09-27 | 2020-02-28 | 广州文冲船厂有限责任公司 | Channel steel hoop tool and connecting method of channel steel and segmented parent metal |
CN110844021B (en) * | 2019-09-27 | 2022-03-15 | 广州文冲船厂有限责任公司 | Channel steel hoop tool and connecting method of channel steel and segmented parent metal |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 511457 two, floor 16, Jintao four street, Nansha District, Guangzhou, Guangdong, 201 Patentee after: Kai arc welding technology (Guangzhou) Co.,Ltd. Address before: 511457 two, floor 16, Jintao four street, Nansha District, Guangzhou, Guangdong, 201 Patentee before: GUANGZHOU KAIHU TRADE CO.,LTD. |
|
CP01 | Change in the name or title of a patent holder | ||
CX01 | Expiry of patent term |
Granted publication date: 20141015 |