CN107520576A - Slip-on welding flange internal clamp - Google Patents
Slip-on welding flange internal clamp Download PDFInfo
- Publication number
- CN107520576A CN107520576A CN201710766050.4A CN201710766050A CN107520576A CN 107520576 A CN107520576 A CN 107520576A CN 201710766050 A CN201710766050 A CN 201710766050A CN 107520576 A CN107520576 A CN 107520576A
- Authority
- CN
- China
- Prior art keywords
- nut
- runing rest
- hole
- central shaft
- slip
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0536—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for maintaining flanges on tubes
Abstract
The present invention relates to a kind of slip-on welding flange internal clamp, including central shaft, tightening nut, runing rest, jacking block, link assembly and bracing ring.Tightening nut is threadedly coupled with the central shaft leading portion, and the middle part perforate of runing rest body is simultaneously slidably connected by the hole and central shaft stage casing, and the root surface of runing rest both sides sets the limiting section for limiting runing rest transverse shifting；Link assembly connects a jacking block and corresponding tightening nut hinged seat and runing rest hinged seat by two groups of link assemblies.During Pivot axle, the distance between tightening nut and runing rest shorten, so that jacking block is held out against in inner-walls of duct.The relative position of flange and pipeline is can adjust by rotary cross support frame, is welded after being adjusted in place.Line-up clamp of the present invention can ensure axiality, the depth of parallelism of end face when slip-on welding flange is connected with pipeline, improve counterpart efficiency, ensure accuracy, welding deformation is small.
Description
Technical field
The present invention relates to pipeline welding installation tool, is that a kind of slip-on welding flange is connected internal clamp with pipeline specifically.
Background technology
In the prior art, when welding slip-on welding flange, flange and pipeline manually counterpart, speed is slow, and precision is not easy to ensure, goes out
Now reprocess, the welding deformation of welding process is difficult to control, and difficulty of construction increases with flange diameter and becomes big.Current various counterpart
In device, based on pipeline butt, internal clamp equipment is complicated, and operation is loaded down with trivial details, but all inapplicable slip-on welding flange and pipeline welding.
The content of the invention
The technical problem to be solved in the present invention provides a kind of slip-on welding flange internal clamp, so as to ensure to improve counterpart efficiency,
Ensure welding accuracy.
To solve above technical problem, the present invention uses following technical scheme：
A kind of slip-on welding flange internal clamp, including central shaft, tightening nut, runing rest, jacking block, link assembly and bracing ring；
Central shaft, include the leading portion and back segment of thread surface, and the stage casing with smooth surface；
Tightening nut, it is threadedly coupled with the central shaft leading portion, the tightening nut outer ring is provided with least two hinged seats, hinged seat
It is interior to be provided with hinge hole perpendicular to center shaft axis,
Runing rest, the middle part perforate of its body are simultaneously slidably connected by the hole and central shaft stage casing, and body outer ring is provided with hinged seat,
Hinge hole is provided with perpendicular to center shaft axis in hinged seat, runing rest hinged seat corresponds with the hinged seat on tightening nut
Set, the root surface of runing rest both sides sets the limiting section for limiting runing rest transverse shifting；
Jacking block, it is provided with an elongated hole and a circular hole perpendicular to center shaft axis thereon；
Link assembly, connect a jacking block and corresponding tightening nut hinged seat by two groups of link assemblies and runing rest is hinged
Seat, any group of link assembly include the connecting rod that two middle parts connect into " X " type by intersecting rotating shaft, two first connecting rods therein
First end respectively with the end of the connection rotating shaft through jacking block circular hole be hinged, the second end respectively with through tightening nut hinge hole
The end of connection rotating shaft be hinged, two second connecting rod first ends therein sliding axle with the elongated hole through jacking block respectively
End is be hinged, end of second end respectively with the connection rotating shaft through runing rest hinge hole is hinged；
Bracing ring, including circle body and the cross retainer for being fixed on circle body endoporus, the cross retainer middle part is provided with and center
The through hole of axle back segment adaptation, through hole sets support ring nut, is connected cross retainer and center by the support ring nut
Axle, cross retainer are provided with through hole and connection component for adpting flange.
Further, the limiting section includes the boss for being formed at root surface and one is connected with central axle threads
Stop screw, described boss and stop screw are in runing rest both sides.
Further, described connection component includes bolt, the first nut, the second nut and the 3rd nut, the bolt
Through cross retainer through hole and corresponding flange hole, the first nut is in flange side, the second nut and the 3rd nut point
Cross retainer inner side and outer side is not tightened in.
Further, it is respectively arranged with pad between the second nut, the 3rd nut and cross keeper.
Further, the cross supporting frame support body surface is provided with scale.
Line-up clamp of the present invention can ensure axiality, the depth of parallelism of end face when slip-on welding flange is connected with pipeline, improve counterpart
Efficiency, the accuracy that ensures, welding deformation are small.It is simple to operate, efficiently, adapt to the need of each model slip-on welding flange and butt welding of pipelines
Will.
Brief description of the drawings
Accompanying drawing herein is used for providing the further explanation to the present invention, forms the part of the application, of the invention shows
Meaning property embodiment and its explanation are used for explaining the present invention, do not form inappropriate limitation of the present invention.
Fig. 1 is the structural representation of slip-on welding flange internal clamp of the present invention.
Fig. 2 is the operating diagram of the present invention.
Fig. 3 is the structural representation of bracing ring of the present invention.
Fig. 4 is I portions partial enlarged drawing in Fig. 3.
Fig. 5 is the structural representation of central shaft of the present invention.
Fig. 6 is the structural representation of tightening nut.
Fig. 7 is the structural representation of runing rest.
In figure, 1- central shafts, 2- tightening nuts, 3- runing rests, 4- jacking blocks, 5- link assemblies, 6- bracing rings, 7- crosses
Retainer, 8- support ring nuts, 9- flanges, 10- boss, 11- stop screws, 12- bolts, the nuts of 13- first, the spiral shells of 14- second
Mother, the nuts of 15- the 3rd, 16- pads, 17- rubber layers, 18- rotation square holes, 19- pipelines, 401- elongated holes, 501-, which intersects, to be turned
Axle, 502- first connecting rods, 503- second connecting rods, 504- connection rotating shafts, 505- sliding axles.
Embodiment
In order that those skilled in the art are better understood from the present invention, below in conjunction with refer to the attached drawing and in conjunction with the embodiments to this
Further clear, complete explanation is made in invention.It should be noted that in the case where not conflicting, embodiment in the application and
Feature in embodiment can be mutually combined.
In the description of the invention, term " first ", " second " etc. be only used for describe purpose, and it is not intended that instruction or
Imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
One or more this feature can be expressed or be implicitly included to feature.In the description of the invention, unless otherwise indicated,
" multiple " are meant that two or more.Unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；Can be straight
Connect connected, can also be indirectly connected by intermediary.
The slip-on welding flange internal clamp that a kind of typical embodiment of the present invention provides, with reference to figure 1 and Fig. 2, including center
Axle 1, tightening nut 2, runing rest 3, jacking block 4, link assembly 5 and bracing ring 6.Wherein, central shaft 1, thread surface is included
Leading portion and back segment, and with smooth surface stage casing.Tightening nut 2 is threadedly coupled with the leading portion of central shaft 1, the tightening nut
2 outer rings are provided with least two hinged seats, as shown in fig. 6, tightening nut 2 has three hinged seats, perpendicular to center in hinged seat
Axle axis is provided with hinge hole, runing rest 3, and the middle part perforate of its body is simultaneously slidably connected by the hole and the stage casing of central shaft 1, such as schemed
Shown in 7, body outer ring is provided with hinged seat, and hinge hole is provided with perpendicular to center shaft axis in hinged seat, runing rest hinged seat with
Hinged seat on tightening nut, which corresponds, to be set, and the surface of central shaft 1 of the both sides of runing rest 3 is set for limiting runing rest 2
The limiting section of transverse shifting.
Jacking block 4, it is provided with an elongated hole 401 and a circular hole perpendicular to center shaft axis thereon.By two groups of connection rod sets
Part 5 connects a jacking block and corresponding tightening nut hinged seat and runing rest hinged seat, and any group of link assembly 5 includes two
Middle part connects into the connecting rod of " X " type by intersecting rotating shaft 501, the first ends of two first connecting rods 502 therein respectively with through
The end of the connection rotating shaft 504 of the circular hole of jacking block 4 is be hinged, the second end respectively with the connection rotating shaft 504 through the hinge hole of tightening nut 2
End be hinged, two second connecting rods 503 first end therein sliding axle 505 with the elongated hole 401 through jacking block 4 respectively
End is be hinged, end of second end respectively with the connection rotating shaft 504 through the hinge hole of runing rest 3 is hinged；
The bracing ring 6 includes circle body and is fixed on the cross retainer 7 of circle body endoporus（Fig. 3）, the middle part of cross retainer 7
It is provided with the through hole being adapted to the back segment of central shaft 1, through hole sets support ring nut 8, is connected cross by the support ring nut 8
Retainer 7 and central shaft 1, cross retainer 7 are provided with through hole and connection component for adpting flange 9.According to flange hole away from
With the difference of diameter, bracing ring 6 can be adopted as different models, to meet to use.
In embodiment of above, tightening nut 2 is connected with the nose threads of central shaft 1, and runing rest 3 is sliding with central shaft 1
Dynamic connection, and limited location portion limits runing rest in central shaft transverse shifting.According to above structure, in Pivot axle 1, rotation
The distance between tight nut 2 and runing rest 3 shorten, so that jacking block 4 is held out against in the inwall of pipeline 19, thus make central shaft 1
It is fixed in pipeline.Flange 9 is fixed on cross supporting frame 7 beforehand through connection component, is rotated again on central shaft 1, is passed through
Rotary cross support frame 7 can adjust the relative position of flange 9 and pipeline 19, be welded after being adjusted in place.After the completion of welding, unload
The connection component of lower clamp flange, round about Pivot axle make tightening nut 2 and runing rest 3 apart from becoming big, jacking block 4
Unclamp, pull down line-up clamp of the present invention.The invention can ensure that axiality, end face when slip-on welding flange connects with pipeline is parallel
Degree, improve counterpart efficiency, ensure accuracy, welding deformation is small.In the gas piping of Ruzhou Tianrui coking engineering projects construction diameter 800
Above-mentioned technique effect is demonstrated in construction.
In a kind of relative specific embodiment, with reference to figure 5, the limiting section includes being formed at the convex of root surface
Platform 10 and one are threadedly coupled stop screw 11, described boss 10 and stop screw 11 with central shaft 1 in 3 liang of runing rest
Side.
In a kind of relative specific embodiment, described connection component includes bolt 12, the first nut 13, the second spiral shell
The nut 15 of mother 14 and the 3rd, the bolt 12 run through the through hole of cross retainer 7 and corresponding flange hole, and the first nut 13 is tightened in
The side of flange 9, the second nut 14 and the 3rd nut 15 are tightened in the inner side and outer side of cross retainer 7 respectively.According to this embodiment party
Formula, the connecting bolt 12 of the first nut 13 and flange are first passed through, then screw the second nut 14 and the 3rd nut 15 to fasten cross guarantor
Frame 7 is held, it is easy to assembly, unlike material engagement flange can also be avoided.Method can adjust by the second nut 14 and the 3rd nut 15
The distance between blue and cross retainer 7.
Preferably, it is respectively arranged with pad 16 between the second nut 14, the 3rd nut 15 and cross keeper 7.When flange material
For stainless steel when, connecting bolt 12, nut 13, pad 16 use stainless steel, to avoid corroding.
In a preferred embodiment, the support body surface of cross supporting frame 7 is provided with scale, with reference to figure 4, available for accurate
Adjust 6 concentricity of flange 9 and bracing ring.
In a preferred embodiment, the outer face of jacking block 4 is provided with rubber layer 17, and the rubber layer 17 is in jacking block 4 and pipe
Between road inwall, there is increase friction and avoid jacking block from damaging tube wall.
In a preferred embodiment, described central shaft rear end face has the rotation square hole 18 of indent, the rotation square hole 18
For by instrument Pivot axle.
The scope of protection of present invention is not limited to above embodiment, to those skilled in the art, this
Invention can have a various deformation and change, all designs in the present invention with made within principle any modification, improvement and be equal
Replacing should all be included within protection scope of the present invention.
Claims (7)
1. a kind of slip-on welding flange internal clamp, including central shaft（1）, tightening nut（2）, runing rest（3）, jacking block（4）, connecting rod
Component（5）And bracing ring（6）；
Central shaft（1）, include the leading portion and back segment of thread surface, and there is the stage casing of smooth surface；
Tightening nut（2）, with the central shaft（1）Leading portion is threadedly coupled, the tightening nut（2）It is be hinged that outer ring is provided with least two
Seat, hinged seat is interior to be provided with hinge hole perpendicular to center shaft axis,
Runing rest（3）, in the middle part of its body perforate simultaneously pass through the hole and central shaft（1）Stage casing is slidably connected, and body outer ring is provided with
Hinged seat, hinged seat is interior to be provided with hinge hole, runing rest hinged seat and the hinged seat on tightening nut perpendicular to center shaft axis
Correspond and set, runing rest（3）The central shaft of both sides（1）Surface is set for limiting runing rest（2）The limit of transverse shifting
Position portion；
Jacking block（4）, it is provided with an elongated hole perpendicular to center shaft axis thereon（401）With a circular hole；
Link assembly（5）, by two groups of link assemblies（5）Connect a jacking block and corresponding tightening nut hinged seat and runing rest
Hinged seat, any group of link assembly（5）Including two middle parts by intersecting rotating shaft（501）The connecting rod of " X " type is connected into, it is therein
Two first connecting rods（502）First end respectively with through jacking block（4）The connection rotating shaft of circular hole（504）End it is be hinged, second
End respectively with through tightening nut（2）The connection rotating shaft of hinge hole（504）End be hinged, two second connecting rods therein
（503）First end respectively with through jacking block（4）Elongated hole（401）Sliding axle（505）End is be hinged, the second end difference
With through runing rest（3）The connection rotating shaft of hinge hole（504）End be hinged；
Bracing ring（6）, including circle body and the cross retainer for being fixed on circle body endoporus（7）, the cross retainer（7）Open at middle part
Have and central shaft（1）The through hole of back segment adaptation, through hole sets support ring nut（8）, pass through the support ring nut（8）It is connected
Cross retainer（7）And central shaft（1）, cross retainer（7）It is provided with and is used for adpting flange（9）Through hole and connection component.
2. slip-on welding flange internal clamp according to claim 1, it is characterised in that：The limiting section includes being formed at center
The boss on axle surface（10）And one and central shaft（1）It is threadedly coupled stop screw（11）, described boss（10）With spacing spiral shell
Nail（11）In runing rest（3）Both sides.
3. slip-on welding flange internal clamp according to claim 1 or 2, it is characterised in that：Described connection component includes spiral shell
Bolt（12）, the first nut（13）, the second nut（14）With the 3rd nut（15）, the bolt（12）Through cross retainer（7）
Through hole and corresponding flange hole, the first nut（13）It is tightened in flange（9）Side, the second nut（14）With the 3rd nut（15）Point
Cross retainer is not tightened in（7）Inner side and outer side.
4. slip-on welding flange internal clamp according to claim 3, it is characterised in that：Second nut（14）, the 3rd nut
（15）With cross keeper（7）Between be respectively arranged with pad（16）.
5. slip-on welding flange internal clamp according to claim 4, it is characterised in that：The cross supporting frame（7）Support body table
Face is provided with scale.
6. slip-on welding flange internal clamp according to claim 5, it is characterised in that：The jacking block（4）Outer face is provided with rubber
Glue-line（17）.
7. slip-on welding flange internal clamp according to claim 6, it is characterised in that：Described central shaft rear end face has indent
Rotation square hole（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710766050.4A CN107520576B (en) | 2017-08-30 | 2017-08-30 | Slip-on welding flange internal clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710766050.4A CN107520576B (en) | 2017-08-30 | 2017-08-30 | Slip-on welding flange internal clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107520576A true CN107520576A (en) | 2017-12-29 |
| CN107520576B CN107520576B (en) | 2019-05-07 |
Family
ID=60682952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710766050.4A Active CN107520576B (en) | 2017-08-30 | 2017-08-30 | Slip-on welding flange internal clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107520576B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608141A (en) * | 2018-06-29 | 2018-10-02 | 上海宝冶集团有限公司 | Polygon slab workpiece main weld displacement device and welding method |
| CN109551164A (en) * | 2018-12-27 | 2019-04-02 | 山东瑞烨法兰有限公司 | A kind of cylinder and flange positioning are formed a team device |
| CN110497125A (en) * | 2019-07-09 | 2019-11-26 | 四川艾普耐斯油气工程服务有限公司 | A kind of dovetail section formula flange abutting joint device |
| CN114012330A (en) * | 2021-11-30 | 2022-02-08 | 青岛嘉恒新能源设备有限公司 | Inner and outer circular seam welding equipment for large steel pipe connecting flange |
| CN114227127A (en) * | 2021-11-25 | 2022-03-25 | 中国科学院江西稀土研究院 | Barrel supports frock structure |
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| CN2606830Y (en) * | 2003-04-26 | 2004-03-17 | 大庆油田建设集团 | Linking rod pipeline flange connector |
| US20040169061A1 (en) * | 2001-01-23 | 2004-09-02 | Jan Schepers | Welding accessory for welding pipes |
| DE202004019719U1 (en) * | 2004-12-22 | 2005-04-07 | K B Schweismaschinen Vermietun | Device for flooding connected tubes with gas comprises a body arranged in the tubes having an outlet opening for the gas, sealing elements delimiting a flooding chamber and removal elements for removing protective gas |
| CN201380377Y (en) * | 2009-04-14 | 2010-01-13 | 江苏宇杰钢机有限公司 | Clamp for preventing flange from welding deformation |
| CN201519848U (en) * | 2009-09-15 | 2010-07-07 | 大庆油田有限责任公司 | Triangular support flange centralizer |
| CN205520283U (en) * | 2016-01-27 | 2016-08-31 | 江苏电力装备有限公司 | Welding deformation rigid fastening device is prevented to flexible flange |
| CN205764672U (en) * | 2016-05-16 | 2016-12-07 | 天津市华彪金属制品有限公司 | Interior pipe clamp |
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2017
- 2017-08-30 CN CN201710766050.4A patent/CN107520576B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040169061A1 (en) * | 2001-01-23 | 2004-09-02 | Jan Schepers | Welding accessory for welding pipes |
| CN2606830Y (en) * | 2003-04-26 | 2004-03-17 | 大庆油田建设集团 | Linking rod pipeline flange connector |
| DE202004019719U1 (en) * | 2004-12-22 | 2005-04-07 | K B Schweismaschinen Vermietun | Device for flooding connected tubes with gas comprises a body arranged in the tubes having an outlet opening for the gas, sealing elements delimiting a flooding chamber and removal elements for removing protective gas |
| CN201380377Y (en) * | 2009-04-14 | 2010-01-13 | 江苏宇杰钢机有限公司 | Clamp for preventing flange from welding deformation |
| CN201519848U (en) * | 2009-09-15 | 2010-07-07 | 大庆油田有限责任公司 | Triangular support flange centralizer |
| CN205520283U (en) * | 2016-01-27 | 2016-08-31 | 江苏电力装备有限公司 | Welding deformation rigid fastening device is prevented to flexible flange |
| CN205764672U (en) * | 2016-05-16 | 2016-12-07 | 天津市华彪金属制品有限公司 | Interior pipe clamp |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608141A (en) * | 2018-06-29 | 2018-10-02 | 上海宝冶集团有限公司 | Polygon slab workpiece main weld displacement device and welding method |
| CN109551164A (en) * | 2018-12-27 | 2019-04-02 | 山东瑞烨法兰有限公司 | A kind of cylinder and flange positioning are formed a team device |
| CN110497125A (en) * | 2019-07-09 | 2019-11-26 | 四川艾普耐斯油气工程服务有限公司 | A kind of dovetail section formula flange abutting joint device |
| CN114227127A (en) * | 2021-11-25 | 2022-03-25 | 中国科学院江西稀土研究院 | Barrel supports frock structure |
| CN114012330A (en) * | 2021-11-30 | 2022-02-08 | 青岛嘉恒新能源设备有限公司 | Inner and outer circular seam welding equipment for large steel pipe connecting flange |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107520576B (en) | 2019-05-07 |
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