CN107520576B - Slip-on welding flange internal clamp - Google Patents
Slip-on welding flange internal clamp Download PDFInfo
- Publication number
- CN107520576B CN107520576B CN201710766050.4A CN201710766050A CN107520576B CN 107520576 B CN107520576 B CN 107520576B CN 201710766050 A CN201710766050 A CN 201710766050A CN 107520576 B CN107520576 B CN 107520576B
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- Prior art keywords
- nut
- runing rest
- hole
- central axis
- slip
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The present invention relates to a kind of slip-on welding flange internal clamps, including central axis, tightening nut, runing rest, jacking block, link assembly and bracing ring.Tightening nut is threadedly coupled with the central axis leading portion, and the middle part aperture of runing rest ontology is simultaneously slidably connected by the hole and central axis middle section, and the root surface of runing rest two 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.When Pivot axle, the distance between tightening nut and runing rest shorten, so that jacking block be made to hold out against in inner wall of the pipe.The relative position that can adjust flange and pipeline by rotary cross retainer, is welded after being adjusted in place.Line-up clamp of the present invention can guarantee concentricity, the depth of parallelism of end face when slip-on welding flange is connect with pipeline, improves counterpart efficiency, guarantees accuracy, welding deformation is small.
Description
Technical field
The present invention relates to pipelines to weld installation tool, specifically, being that a kind of slip-on welding flange with pipeline connect internal clamp.
Background technique
In the prior art, when welding slip-on welding flange, flange and pipeline manually counterpart, speed is slow, and precision is not easy to guarantee, out
It now reprocesses, the welding deformation of welding process is not easy to control, and difficulty of construction increases with flange diameter and become larger.Current various counterpart
In device, based on pipeline butt, the device is complicated for internal clamp, and operation is loaded down with trivial details, but all not applicable slip-on welding flange and pipeline weld.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of slip-on welding flange internal clamp, thus guarantee improve counterpart efficiency,
Guarantee welding accuracy.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of slip-on welding flange internal clamp, including central axis, tightening nut, runing rest, jacking block, link assembly and support
Circle；
Central axis includes the leading portion and back segment of thread surface, and the middle section with smooth surface；
Tightening nut is threadedly coupled with the central axis leading portion, which is equipped at least two hinged seats, hinge
It is provided with hinge hole perpendicular to center shaft axis in joint chair,
Runing rest, ontology middle part aperture are simultaneously slidably connected by the hole and central axis middle section, and ontology outer ring is equipped with hinge
Joint chair, hinged seat is interior to be provided with hinge hole perpendicular to center shaft axis, the hinged seat one on runing rest hinged seat and tightening nut
One is correspondingly arranged, and the root surface of runing rest two sides sets the limiting section for limiting runing rest transverse shifting；
Jacking block is provided with an elongated hole and a circular hole perpendicular to center shaft axis thereon；
Link assembly connects a jacking block and corresponding tightening nut hinged seat by two groups of link assemblies and runing rest is cut with scissors
Joint chair, connecting rod of any group of link assembly including connecting into " X " type in the middle part of in the of two by intersecting shaft, the two of two groups of link assemblies
The first end of a first connecting rod respectively with the end for the connection shaft for passing through jacking block circular hole hinged, second end respectively and across screwing
The end of the connection shaft of nut hinge hole is hinged, and two second connecting rod first ends of two groups of link assemblies are respectively and across jacking block
Elongated hole sliding axle end is hinged, second end respectively with the end for the connection shaft for passing through runing rest hinge hole hinge
It connects；
Bracing ring, including circle body and the cross retainer for being fixed on circle body inner hole, be provided in the middle part of the cross retainer with
The through-hole of central axis back segment adaptation, through hole sets support ring nut, by the support ring nut be connected and fixed cross retainer and
Central axis, cross retainer are equipped with through-hole and connection component for connecting flange.
Further, the limiting section include be formed in root surface boss and one connect with central axle threads
Stop screw, the boss and stop screw are in runing rest two sides.
Further, the connection component includes bolt, the first nut, the second nut and third nut, the bolt
Through cross retainer through-hole and corresponding flange hole, the first nut tightening is in flange side, the second nut and third nut point
It is not tightened in cross retainer inner side and outer side.
Further, gasket is respectively arranged between the second nut, third nut and cross retainer.
Further, the cross retainer frame body surface is equipped with scale.
Line-up clamp of the present invention can guarantee concentricity, the depth of parallelism of end face when slip-on welding flange is connect with pipeline, improve counterpart
Efficiency guarantees accuracy, and welding deformation is small.It is easy to operate, efficiently, adapt to the need of each model slip-on welding flange and butt welding of pipelines
It wants.
Detailed description of the invention
Attached drawing herein is used to provide to further explanation of the invention, constitutes part of this application, of the invention shows
Meaning property embodiment and its explanation are used to explain the present invention, not constitute improper limitations of the present invention.
Fig. 1 is the structural schematic diagram of slip-on welding flange internal clamp of the present invention.
Fig. 2 is operation schematic diagram of the invention.
Fig. 3 is the structural schematic diagram of bracing ring of the present invention.
Fig. 4 is the portion I partial enlarged view in Fig. 3.
Fig. 5 is the structural schematic diagram of central axis of the present invention.
Fig. 6 is the structural schematic diagram of tightening nut.
Fig. 7 is the structural schematic diagram of runing rest.
In figure, 1- central axis, 2- tightening nut, 3- runing rest, 4- jacking block, 5- link assembly, 6- bracing ring, 7- cross
Retainer, 8- support ring nut, 9- flange, 10- boss, 11- stop screw, 12- bolt, the first nut of 13-, the second spiral shell of 14-
Mother, 15- third nut, 16- gasket, 17- rubber layer, 18- rotate square hole, and 19- pipeline, 401- elongated hole, 501-, which intersects, to be turned
Axis, 502- first connecting rod, 503- second connecting rod, 504- connection shaft, 505- sliding axle.
Specific embodiment
In order to make those skilled in the art better understand the present invention, below in conjunction with reference 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 absence of conflict, embodiment in the application and
Feature in embodiment can be combined with each other.
In the description of the present invention, term " first ", " second " etc. are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.Unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be straight
Connect it is connected, can also be indirectly connected through an intermediary.
A kind of slip-on welding flange internal clamp that typical embodiment provides of the present invention, with reference to Fig. 1 and Fig. 2, including center
Axis 1, tightening nut 2, runing rest 3, jacking block 4, link assembly 5 and bracing ring 6.Wherein, central axis 1 includes thread surface
Leading portion and back segment, and the middle section with smooth surface.Tightening nut 2 is threadedly coupled with 1 leading portion of central axis, the tightening nut
2 outer rings are equipped at least two hinged seats, as shown in fig. 6, the tool of tightening nut 2, there are three hinged seat, hinged seat is interior perpendicular to center
Axis axis is provided with hinge hole, runing rest 3, and ontology middle part aperture is simultaneously slidably connected by the hole and 1 middle section of central axis, is such as schemed
Shown in 7, ontology outer ring is equipped with hinged seat, is provided with hinge hole perpendicular to center shaft axis in hinged seat, runing rest hinged seat with
Hinged seat on tightening nut is arranged in a one-to-one correspondence, and 1 surface of central axis of 3 two sides of runing rest is set for limiting runing rest 3
The limiting section of transverse shifting.
Jacking block 4 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, the first end point of two first connecting rods 502 of two groups of link assemblies by intersecting shaft 501
Not with the end for the connection shaft 504 for passing through 4 circular hole of jacking block is hinged, second end respectively with the company across 2 hinge hole of tightening nut
The end for switching through axis 504 is hinged, and two 503 first ends of second connecting rod of two groups of link assemblies are ellipse with the length across jacking block 4 respectively
The end of the sliding axle 505 of circular hole 401 is hinged, the second end end with the connection shaft 504 for passing through 3 hinge hole of runing rest respectively
Portion is hinged；
The bracing ring 6 includes circle body and the cross retainer 7(Fig. 3 for being fixed on circle body inner hole), the cross retainer 7
Middle part is provided with the through-hole being adapted to 1 back segment of central axis, and through hole sets support ring nut 8, is connected and fixed by the support ring nut 8
Cross retainer 7 and central axis 1, cross retainer 7 are equipped with through-hole and connection component for connecting flange 9.According to flange
The difference of pitch-row and diameter, bracing ring 6 can be used as different models, use to meet.
In embodiment of above, tightening nut 2 is connect with 1 nose threads of central axis, and runing rest 3 is sliding with central axis 1
Dynamic connection, and have limiting section limitation runing rest in central axis transverse shifting.According to the above structure, in Pivot axle 1, rotation
Tight the distance between nut 2 and runing rest 3 shorten, so that jacking block 4 be made to hold out against in 19 inner wall of pipeline, thus make central axis 1
It is fixed in pipeline.Flange 9 first passes through connection component in advance and is fixed on cross retainer 7, is rotated again on central axis 1, passes through
Rotary cross retainer 7 can adjust the relative position of flange 9 Yu pipeline 19, be welded after being adjusted in place.After the completion of welding, unload
The connection component of lower clamp flange, Pivot axle makes tightening nut 2 and 3 distance of runing rest become larger round about, jacking block 4
It unclamps, removes line-up clamp of the present invention.The invention can ensure that concentricity, end face when slip-on welding flange and pipeline connect is parallel
Degree improves counterpart efficiency, guarantees accuracy, and welding deformation is small.In the gas piping of Ruzhou Tianrui coking engineering projects construction diameter 800
Above-mentioned technical effect is demonstrated in construction.
In a kind of opposite specific embodiment, with reference to Fig. 5, the limiting section includes be formed in root surface convex
Platform 10 and one are threadedly coupled stop screw 11 with central axis 1, and the boss 10 and stop screw 11 are at 3 liang of runing rest
Side.
In a kind of opposite specific embodiment, the connection component includes bolt 12, the first nut 13, the second spiral shell
Mother 14 and third nut 15, the bolt 12 run through 7 through-hole of cross retainer and corresponding flange hole, and the first nut 13 is tightened in
9 side of flange, the second nut 14 and third nut 15 are tightened in 7 inner side and outer side of cross retainer respectively.According to this embodiment party
Formula first passes through the first nut 13 connection bolt 12 and flange, then screws the second nut 14 and third nut 15 to fasten cross guarantor
Frame 7 is held, it is easy to assembly, unlike material engagement flange can also be avoided.It can adjust method by the second nut 14 and third nut 15
The distance between blue and cross retainer 7.
Preferably, gasket 16 is respectively arranged between the second nut 14, third nut 15 and cross retainer 7.Work as flange material
When for stainless steel, connection bolt 12, nut 13, gasket 16 use stainless steel material, to avoid corrosion.
In a preferred embodiment, the 7 frame body surface of cross retainer is equipped with scale, with reference to Fig. 4, can be used for accurate
Adjust 6 concentricity of flange 9 and bracing ring.
In a preferred embodiment, 4 outer end face of jacking block is equipped with rubber layer 17, and the rubber layer 17 is in jacking block 4 and pipe
Between road inner wall, has the function of increasing friction and jacking block is avoided to damage tube wall.
In a preferred embodiment, the central axis rear end face is equipped with the rotation square hole 18 of indent, the rotation square hole
18 for by tool Pivot axle.
The scope of protection of present invention is not limited to the above specific embodiment, to those skilled in the art, this
Invention can there are many deformation and change, it is all design of the invention within principle it is made it is any modification, improve and be equal
Replacement should be all included within protection scope of the present invention.
Claims (7)
1. a kind of slip-on welding flange internal clamp, including central axis (1), tightening nut (2), runing rest (3), jacking block (4), connecting rod
Component (5) and bracing ring (6)；
Central axis (1) includes the leading portion and back segment of thread surface, and the middle section with smooth surface；
Tightening nut (2) is threadedly coupled with the central axis (1) leading portion, and it is hinged which is equipped at least two
Seat, hinged seat is interior to be provided with hinge hole perpendicular to center shaft axis,
Runing rest (3), ontology middle part aperture are simultaneously slidably connected by the hole and central axis (1) middle section, and ontology outer ring is equipped with
Hinged seat, hinged seat is interior to be provided with hinge hole perpendicular to center shaft axis, the hinged seat on runing rest hinged seat and tightening nut
It is arranged in a one-to-one correspondence, central axis (1) surface of runing rest (3) two sides sets the limit for limiting runing rest (3) transverse shifting
Position portion；
Jacking block (4) is provided with an elongated hole (401) and a circular hole perpendicular to center shaft axis thereon；
Link assembly (5) connects a jacking block and corresponding tightening nut hinged seat and runing rest by two groups of link assemblies (5)
Hinged seat, any group of link assembly (5) include the connecting rod that two middle parts connect into " X " type by intersecting shaft (501), two groups of companies
The first end of two first connecting rods (502) of bar assembly is cut with scissors with the end for the connection shaft (504) for passing through jacking block (4) circular hole respectively
Connect, second end it is hinged with the end for the connection shaft (504) for passing through tightening nut (2) hinge hole respectively, two groups of link assemblies
Two second connecting rod (503) first ends are cut with scissors with the end of the sliding axle (505) for the elongated hole (401) for passing through jacking block (4) respectively
Connect, second end respectively with pass through runing rest (3) hinge hole connection shaft (504) end it is hinged；
Bracing ring (6) is opened in the middle part of the cross retainer (7) including circle body and the cross retainer (7) for being fixed on circle body inner hole
There is the through-hole being adapted to central axis (1) back segment, through hole sets support ring nut (8), is connected and fixed by the support ring nut (8)
Cross retainer (7) and central axis (1), cross retainer (7) are equipped with through-hole and connection component for connecting flange (9).
2. slip-on welding flange internal clamp according to claim 1, it is characterised in that: the limiting section includes being formed in center
The boss (10) on axis surface and one are threadedly coupled stop screw (11) with central axis (1), the boss (10) and limit spiral shell
(11) are followed closely in runing rest (3) two sides.
3. slip-on welding flange internal clamp according to claim 1 or 2, it is characterised in that: the connection component includes spiral shell
Bolt (12), the first nut (13), the second nut (14) and third nut (15), the bolt (12) run through cross retainer (7)
Through-hole and corresponding flange hole, the first nut (13) are tightened in flange (9) side, the second nut (14) and third nut (15) point
It is not tightened in cross retainer (7) inner side and outer side.
4. slip-on welding flange internal clamp according to claim 3, it is characterised in that: the second nut (14), third nut
(15) it is respectively arranged between cross retainer (7) gasket (16).
5. slip-on welding flange internal clamp according to claim 4, it is characterised in that: cross retainer (7) the frame body table
Face is equipped with scale.
6. slip-on welding flange internal clamp according to claim 5, it is characterised in that: jacking block (4) outer end face is equipped with rubber
Glue-line (17).
7. slip-on welding flange internal clamp according to claim 6, it is characterised in that: the central axis rear end face is equipped with interior
Recessed 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 CN107520576A (en) | 2017-12-29 |
| CN107520576B true 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) |
Families Citing this family (4)
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1017172C1 (en) * | 2001-01-23 | 2002-07-25 | Jan Schepers | Welding shoe for welding pipes. |
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2017
- 2017-08-30 CN CN201710766050.4A patent/CN107520576B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107520576A (en) | 2017-12-29 |
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