CN105945505A - External aligning device for barrier-free welding of pipeline - Google Patents
External aligning device for barrier-free welding of pipeline Download PDFInfo
- Publication number
- CN105945505A CN105945505A CN201610529019.4A CN201610529019A CN105945505A CN 105945505 A CN105945505 A CN 105945505A CN 201610529019 A CN201610529019 A CN 201610529019A CN 105945505 A CN105945505 A CN 105945505A
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- Prior art keywords
- ring
- pipeline
- lower semi
- circular
- snap
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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
- B23K37/0533—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 external pipe alignment clamps
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses an external aligning device for barrier-free welding of a pipeline. The external aligning device is used for aligned welding of the pipeline. The external aligning device comprises two clamp rings, three or more connecting sliders and a positioning and connecting bolt; the two clamp rings are symmetrically arranged; the positioning and connecting bolt penetrates through via holes in the two clamp rings, positions and connects the two clamp rings and enables bayonets in the clamp rings to be symmetrical; and sliding blocs at two ends of the three or more connecting sliders are separately arranged in circular sliding chutes through various groups of symmetrical bayonets. Compared with a traditional external aligning device, the external aligning device disclosed by the invention has the advantages that the connecting sliders which can freely move in the corresponding circular sliding chutes are arranged, so that the positions of the connecting sliders can be randomly changed in the corresponding circular sliding chutes, and further the influence on welding operation by constructors is avoided.
Description
Technical field
The present invention relates to pipeline welding technical field, particularly a kind of pipeline accessible welding external clamp.
Background technology
Different according to construction object and welding surroundings, pipe butt joint apparatus divides internal clamp and external clamp two class, and external clamp is due to more obstacle, not only welding point is many, and welding and sanding operation are caused restriction, it is impossible to completing whole piece weld seam, welding difficulty strengthens and causes welding quality to decline.Using so only doing assembling location, removing after tack welding terminates, the most formally welding.But along with the progress of welding method, use that full-automatic hot wire TIG welding etc. is semi-automatic, automatic welding time, as used tradition external clamp location, tack welding need to be carried out, when tack weld is bigger, root bead easily causes lack of penetration, lack of fusion；Tack weld is the least, and insufficient strength easily causes cracking, and to welding, the high request of tack welding is added difficulty.It addition, tradition external clamp is relatively fixed due to the position of fastening bolt, it is impossible to mobile to optional position, the regulation to misalignment can not reach all standing, boil on the nape opposite the mouth quality is difficult to ensure.
This external clamp, on conventional traditional infrastructure, is provided with the mobile device such as slide block, chute, can not carry out tack welding, directly weld.
Summary of the invention
The technical problem to be solved is to provide a kind of pipeline accessible welding external clamp, this external clamp is compared with tradition external clamp, it is provided with the mobile device such as slide block, chute so that utilize this external clamp to carry out pipeline welding and can not carry out tack welding, directly weld.
In order to realize solving the purpose of above-mentioned technical problem, present invention employs following technical scheme:
A kind of pipeline accessible welding external clamp, for butt welding of pipelines, is characterized in that: include the connection saddle of two snap rings, three or more than three and the bolt that is located by connecting；
Described snap ring includes semi-ring and lower semi-ring；Upper and lower semi-ring is symmetrical arranged, and forms a circular rings；The a connecting piece and second being respectively equipped with prominent upper half central port outside the two ends of upper semi-ring connects sheet, and a connecting piece and lower semi-ring overlapping position are provided with bearing pin, and second connects sheet is provided with the most corresponding through hole with lower semi-ring overlapping position；Being equipped with breach on upper and lower semi-ring outside bearing pin, described breach is for enabling the upper and lower semi-ring of snap ring to open, in order to snap ring can be stuck on pipeline to be welded；
Being equipped with semicircle chute inside described upper and lower semi-ring, two semicircle chutes form a circular chute when upper and lower semi-ring is symmetrical arranged；Being respectively equipped with two semicircle back-up rings at said two semicircle chute notch, two semicircle back-up rings form a circular collar when upper and lower semi-ring is symmetrical arranged, and this circular collar does not affect upper and lower semi-ring folding；Circular collar is for the slide block of spacing connection saddle, and anti-limited slip block departs from circular chute；
Described card be equipped with three or three with upper latch notch, bayonet socket is in enabling the circular chute that the slide block of connection saddle enters snap ring；
Described connection saddle includes two slide blocks, connecting rod and two puller bolts；Described slide block top and bottom are the arcwall face matched with circular chute；Two slide blocks are separately positioned on connecting rod two ends, and two slide blocks all can slide in circular chute；Both sides, connecting rod center are equipped with screwed hole, and two puller bolts are connected with connecting rod by two screwed holes respectively；
Said two snap ring is symmetrical arranged, and the bolt that is located by connecting is located by connecting two snap rings through the through hole on two snap rings, and makes the bayonet socket on snap ring symmetrical；The slide block connecting saddle two ends of three or more than three is arranged in circular chute by symmetrical each group bayonet socket respectively.
Concrete: described snap ring internal diameter 20-40mm bigger than outer diameter tube to be welded.This is to be stuck on the pipeline to be welded of surface irregularity or mouth of pipe Light deformation for the ease of snap ring.
Concrete: described slide block thickness 1 to 3mm less than concentric stroking well width.This is to slide in circular chute for the ease of slide block.
The most concrete: be all inlaid with on described slide block upper and lower surfaces can be freely rotatable ball.This is to be easy to slide block slip in circular chute further.
Concrete: described three or three are uniformly distributed on snap ring with upper latch notch.
Concrete: on described snap ring, the two ends of two halves circular collar are semicircle.This is so that the circular collar of two halves circular collar composition does not affect upper and lower semi-ring folding.
Concrete: described puller bolt is provided with handle.This is the operation that can not carry out unclamping, screwing puller bolt for the ease of workman by other instruments, to save the working time.
Using method: during use, what two snap rings were stuck in pipeline to be welded treats weld seam both sides, and rotate regulation two snap rings, make the through hole on two snap rings corresponding, by the bolt that is located by connecting through the through hole on two snap rings with two snap rings that are located by connecting, the bolt that is now located by connecting not only acts as the fixing effect connecting two snap rings, and position two snap rings, make the bayonet socket on two snap rings symmetrical, in order to the slide block at connection saddle two ends is put into the circular draw-in groove of snap ring by the later stage by symmetrical bayonet socket；Then the saddle that connects of three or more than three being put into the circular draw-in groove of snap ring respectively by each group of bayonet socket, now due to the effect of slide block, connecting saddle can move freely with circular draw-in groove for track；Regulate each connection saddle to after correct position, screw two puller bolts on each connection saddle, pipeline to be welded steadily can be fixed；Finally it is subjected to, when being soldered at a certain connection saddle, only need to unclamp two puller bolts on this connection saddle finely tunes the position of this connection saddle, does not i.e. interfere with welding operation, so that pipeline welding can not carry out tack welding, and directly weld.
These technical schemes, the technical scheme including the technical scheme improved and improvement further can also be combined with each other or combines, thus reaches superior technique effect.
By using technique scheme, the present invention has a following beneficial effect:
1, a kind of pipeline accessible welding external clamp of the present utility model, by arranging the connection saddle that can move freely in circular chute, the position connecting saddle can arbitrarily be converted in circular chute, thus do not interfere with workmen and be subjected to.
2, the number connecting saddle in this external clamp can increase at any time and reduce, connection saddle can be made to reach the all-round covering of pipeline for regulation misalignment, and can carry out along with welding, disassemble the slide block that welding front hinders, and increase the connection saddle of welding position, on the premise of ensure that this line-up clamp steadily fixes pipeline to be welded, it is to avoid solder dam.
3, the bolt that is located by connecting that this external clamp is arranged not only acts as the fixing effect connecting two snap rings, and position two snap rings, make the bayonet socket on two snap rings symmetrical, solve when combining two snap rings, the technical problem connecting saddle cannot be put into because the bayonet socket on two snap rings is asymmetric.
4, this external clamp not only boil on the nape opposite the mouth is more flexible, and convenient disassembly, is not only suitable for general boil on the nape opposite the mouth, be especially suitable for Full-automatic welding equipment with the use of；Minimizing group to defective cause reprocess, reduce labor intensity simultaneously, improve efficiency of construction.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
The partial enlarged drawing in Tu2Shi Tu1Zhong A district.
Fig. 3 is the structural representation of snap ring.
The partial enlarged drawing in Tu4Shi Tu3Zhong B district.
Fig. 5 is the structural representation of upper and lower semi-ring.
Fig. 6 is the structural representation that upper and lower semi-ring is connected by bearing pin and opens.
Fig. 7 is the front view connecting saddle.
Fig. 8 is the side view connecting saddle.
Fig. 9 is the use view of the present invention.
In figure: 1-snap ring, 2-connects saddle, and 3-is located by connecting bolt, and 4-a connecting piece, 5-bearing pin, the upper semi-ring of 6-, semi-ring under 7-, 8-bayonet socket, 9-circular collar, 10-through hole, 11-second connects sheet, 12-slide block, 13-puller bolt, 14-connecting rod.
Detailed description of the invention
With embodiment, this patent is further explained below in conjunction with the accompanying drawings.But the protection domain of this patent is not limited to specific embodiment.
Embodiment 1
As shown in drawings, a kind of pipeline accessible welding external clamp of this patent, for butt welding of pipelines, it is characterized in that: include that two snap rings 1, three connect saddle 2 and the bolt 3 that is located by connecting.
Snap ring 1 includes semi-ring 6 and lower semi-ring 7；Upper and lower semi-ring 7 is symmetrical arranged, and forms a circular rings；The a connecting piece 4 and second being respectively equipped with prominent upper semi-ring 6 port outside the two ends of upper semi-ring 6 connects sheet 11, and a connecting piece 4 and lower semi-ring 7 overlapping position are provided with bearing pin 5, and second connects sheet 11 is provided with the most corresponding through hole 10 with lower semi-ring 7 overlapping position；Being equipped with breach on upper and lower semi-ring 7 outside bearing pin 5, described breach is for making the upper and lower semi-ring 7 of snap ring 1 to open, in order to snap ring 1 can be stuck on pipeline to be welded.
Being equipped with semicircle chute inside upper and lower semi-ring 7, two semicircle chutes form a circular chute when upper and lower semi-ring 7 is symmetrical arranged；Being respectively equipped with two semicircle back-up rings at two semicircle chute notches, two semicircle back-up rings form a circular collar 9 when upper and lower semi-ring 7 is symmetrical arranged, and this circular collar 9 does not affect the folding of upper and lower semi-ring 7；Circular collar 9 is for the slide block 12 of spacing connection saddle 2, and anti-limited slip block 12 departs from circular chute.
Snap ring 1 is provided with three bayonet sockets 8, and bayonet socket 8 is in making the circular chute that the slide block 12 of connection saddle 2 can enter snap ring 1.
Connect saddle 2 and include two slide blocks 12, connecting rod 14 and two puller bolts 13；Slide block 12 top and bottom are the arcwall face matched with circular chute；Two slide blocks 12 are separately positioned on connecting rod 14 two ends, and two slide blocks 12 all can slide in circular chute；Both sides, connecting rod 14 center are equipped with screwed hole, and two puller bolts 13 are connected with connecting rod 14 by two screwed holes respectively.
Two snap rings 1 are symmetrical arranged, and the bolt 3 of being located by connecting is located by connecting two snap rings 1 through the through hole 10 on two snap rings 1, and makes the bayonet socket 8 on snap ring 1 symmetrical；Three slide blocks 12 connecting saddle 2 two ends are arranged in circular chute by symmetrical each group bayonet socket 8 respectively.
Wherein, footpath 20-40mm bigger than outer diameter tube to be welded, is to be stuck on the pipeline to be welded of surface irregularity or mouth of pipe Light deformation for the ease of snap ring 1；Slide block 12 thickness 1 to 3mm less than concentric stroking well width, this is to slide in circular chute for the ease of slide block 12；On snap ring 1, the two ends of two halves circular collar are semicircle, and this is so that the circular collar 9 of two halves circular collar composition does not affect the folding of upper and lower semi-ring 7；Three bayonet sockets 8 are uniformly distributed on snap ring 1.
During use, what two snap rings 1 were stuck in pipeline to be welded treats weld seam both sides, and rotate regulation two snap rings 1, make the through hole 10 on two snap rings 1 corresponding, by the bolt 3 that is located by connecting through the through hole 10 on two snap rings 1 with two snap rings 1 that are located by connecting, the bolt 3 that is now located by connecting not only acts as the fixing effect connecting two snap rings 1, and position two snap rings 1, make the bayonet socket 8 on two snap rings 1 symmetrical, in order to the slide block 12 connecting saddle 2 two ends is passed through symmetrical bayonet socket 8 and puts into the circular draw-in groove of snap ring 1 by the later stage；Three connection saddles 2 are then put into the circular draw-in groove of snap ring 1 respectively by each group of bayonet socket 8, and now due to the effect of slide block 12, connecting saddle 2 can move freely with circular draw-in groove for track；After regulating each connection saddle 2 to correct position, screw two puller bolts 13 on each connection saddle 2, pipeline to be welded steadily can be fixed；Finally it is subjected to, when being soldered at a certain connection saddle 2, only need to unclamp two puller bolts 13 on this connection saddle 2 finely tunes the position of this connection saddle 2, does not i.e. interfere with welding operation, so that pipeline welding can not carry out tack welding, and directly weld.
Embodiment 2
Same as in Example 1, but all it is inlaid with ball that can be freely rotatable on slide block 12 upper and lower surfaces, and this is to be easy to slide block 12 slip in circular chute further.
Embodiment 3
Same as in Example 1, but puller bolt 13 is provided with handle, and this is the operation that can not carry out unclamping, screwing puller bolt 13 for the ease of workman by other instruments, to save the working time.
Embodiment 4
Same as in Example 1, but this pipeline accessible welding external clamp includes the connection saddle 2 of more than three, and snap ring 1 is provided with the bayonet socket 8 of more than three, and the bayonet socket 8 of more than three is uniformly distributed on snap ring 1.
Claims (7)
1. a pipeline accessible welding external clamp, for butt welding of pipelines, is characterized in that: include the connection saddle of two snap rings, three or more than three and the bolt that is located by connecting；
Described snap ring includes semi-ring and lower semi-ring；Upper and lower semi-ring is symmetrical arranged, and forms a circular rings；The a connecting piece and second being respectively equipped with prominent upper half central port outside the two ends of upper semi-ring connects sheet, and a connecting piece and lower semi-ring overlapping position are provided with bearing pin, and second connects sheet is provided with the most corresponding through hole with lower semi-ring overlapping position；Being equipped with breach on upper and lower semi-ring outside bearing pin, described breach is for enabling the upper and lower semi-ring of snap ring to open, in order to snap ring can be stuck on pipeline to be welded；
Being equipped with semicircle chute inside described upper and lower semi-ring, two semicircle chutes form a circular chute when upper and lower semi-ring is symmetrical arranged；Being respectively equipped with two semicircle back-up rings at said two semicircle chute notch, two semicircle back-up rings form a circular collar when upper and lower semi-ring is symmetrical arranged, and this circular collar does not affect upper and lower semi-ring folding；Circular collar is for the slide block of spacing connection saddle, and anti-limited slip block departs from circular chute；
Described card be equipped with three or three with upper latch notch, bayonet socket is in enabling the circular chute that the slide block of connection saddle enters snap ring；
Described connection saddle includes two slide blocks, connecting rod and two puller bolts；Described slide block top and bottom are the arcwall face matched with circular chute；Two slide blocks are separately positioned on connecting rod two ends, and two slide blocks all can slide in circular chute；Both sides, connecting rod center are equipped with screwed hole, and two puller bolts are connected with connecting rod by two screwed holes respectively；
Said two snap ring is symmetrical arranged, and the bolt that is located by connecting is located by connecting two snap rings through the through hole on two snap rings, and makes the bayonet socket on snap ring symmetrical；The slide block connecting saddle two ends of three or more than three is arranged in circular chute by symmetrical each group bayonet socket respectively.
The most according to claim 1, pipeline accessible welding external clamp, is characterized in that: described snap ring internal diameter 20-40mm bigger than outer diameter tube to be welded.
The most according to claim 1, pipeline accessible welding external clamp, is characterized in that: described slide block thickness 1 to 3mm less than concentric stroking well width.
The most according to claim 3, pipeline accessible welding external clamp, is characterized in that: be all inlaid with on described slide block upper and lower surfaces can be freely rotatable ball.
The most according to claim 1, pipeline accessible welding external clamp, is characterized in that: described three or three are uniformly distributed on snap ring with upper latch notch.
The most according to claim 1, pipeline accessible welding external clamp, is characterized in that: on described snap ring, the two ends of two halves circular collar are semicircle.
7., according to pipeline accessible welding external clamp described in any one of claim 1 to 6, it is characterized in that: described puller bolt is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529019.4A CN105945505B (en) | 2016-07-07 | 2016-07-07 | A kind of accessible welding external clamp of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529019.4A CN105945505B (en) | 2016-07-07 | 2016-07-07 | A kind of accessible welding external clamp of pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105945505A true CN105945505A (en) | 2016-09-21 |
| CN105945505B CN105945505B (en) | 2018-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610529019.4A Active CN105945505B (en) | 2016-07-07 | 2016-07-07 | A kind of accessible welding external clamp of pipeline |
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| Country | Link |
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| CN (1) | CN105945505B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747185A (en) * | 2018-07-16 | 2018-11-06 | 浙江树人学院 | A kind of pipeline special purpose robot |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3422519A (en) * | 1966-08-31 | 1969-01-21 | Barry F Fehlman | Lineup clamp for pipe |
| GB1162937A (en) * | 1967-04-03 | 1969-09-04 | Leon Flymond Phariss | Pipe welding clamp |
| US5165160A (en) * | 1991-07-22 | 1992-11-24 | Poncelet George V | Apparatus and method for axially aligning straight or curved conduits |
| CN201217140Y (en) * | 2008-07-16 | 2009-04-08 | 宝山钢铁股份有限公司 | Pipeline welding interfacing apparatus |
| CN201534305U (en) * | 2009-05-22 | 2010-07-28 | 周宝库 | Pipe aligning fixture |
| CN204893326U (en) * | 2015-07-02 | 2015-12-23 | 湖南金海钢结构股份有限公司 | Steel pipe butt joint positioning device |
| CN205394326U (en) * | 2016-02-15 | 2016-07-27 | 合肥燃气集团有限公司 | Channel bend external [line up] clamp |
-
2016
- 2016-07-07 CN CN201610529019.4A patent/CN105945505B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3422519A (en) * | 1966-08-31 | 1969-01-21 | Barry F Fehlman | Lineup clamp for pipe |
| GB1162937A (en) * | 1967-04-03 | 1969-09-04 | Leon Flymond Phariss | Pipe welding clamp |
| US5165160A (en) * | 1991-07-22 | 1992-11-24 | Poncelet George V | Apparatus and method for axially aligning straight or curved conduits |
| CN201217140Y (en) * | 2008-07-16 | 2009-04-08 | 宝山钢铁股份有限公司 | Pipeline welding interfacing apparatus |
| CN201534305U (en) * | 2009-05-22 | 2010-07-28 | 周宝库 | Pipe aligning fixture |
| CN204893326U (en) * | 2015-07-02 | 2015-12-23 | 湖南金海钢结构股份有限公司 | Steel pipe butt joint positioning device |
| CN205394326U (en) * | 2016-02-15 | 2016-07-27 | 合肥燃气集团有限公司 | Channel bend external [line up] clamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108747185A (en) * | 2018-07-16 | 2018-11-06 | 浙江树人学院 | A kind of pipeline special purpose robot |
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|---|---|
| CN105945505B (en) | 2018-02-06 |
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Address after: 471023 Luolong, Henan Province, Guan Lin China Petroleum First Construction Corporation Applicant after: China Petroleum & Natural Gas Construction Co., Ltd. Address before: 471023 Luolong, Henan Province, Guan Lin China Petroleum First Construction Corporation Applicant before: China Petroleum Natural Gas No.1 Construction Co. |
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