CN102615457A - Long-distance pipeline seam welding protector and aligning device provided with protector - Google Patents
Long-distance pipeline seam welding protector and aligning device provided with protector Download PDFInfo
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- CN102615457A CN102615457A CN2012101243355A CN201210124335A CN102615457A CN 102615457 A CN102615457 A CN 102615457A CN 2012101243355 A CN2012101243355 A CN 2012101243355A CN 201210124335 A CN201210124335 A CN 201210124335A CN 102615457 A CN102615457 A CN 102615457A
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- weld seam
- seam
- distance pipeline
- pipeline
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Abstract
The invention provides a long-distance pipeline seam welding protector, comprising a plurality of seam protective plates the top of which are respectively provided with an arc surface matched with the inner wall of a pipeline, the seam protective plates are rotatably arranged on pushing parts which are uniformly and radially arranged on the circumference, and a butt surface which is radially pushed to a circular ring surface that is joined by each top arc surface and is adhered with the inner wall of the pipeline by the pushing part is arranged between each seam protective plate and an adjacent seam protective plate. By adopting the technical scheme of the invention, after welding is completed, the technical aim of smooth and clean inner wall of the pipeline is realized; and especially when an aligning device provided with the protector disclosed by the invention, multifunctional equipment which continuously complete a pipeline aligning operation and a welding seam protection operation for pipeline pavement is formed, and construction progress of the pipeline pavement is greatly sped up.
Description
Technical field
Patent application of the present invention relates to is the solder joint protective device that the long-distance transport pipes welding procedure is adopted, and in particular welds the smooth carrot-free protective device of mouth of pipe seam and to mouthpart.
Background technology
At present, handgrip weldering or semiautomatic welding construction method are generally adopted in the operation of long-distance transport pipes laying construction, in the welding operation; Inside pipe wall can form the crystallization of irregular overlap, burr, molten iron and welding agent liquid, influences inner wall smooth, needs artificial removal's overlap, polishing inner-walls of duct; Purge tube inner chamber, these post-processed operations can only manual type be removed work under bad environment at present; Labour intensity is bigger, has also delayed construction progress greatly.
Summary of the invention
The goal of the invention of patent application of the present invention be to provide a kind of can make weld seam inner wall smooth, clean long distance pipeline seam welding protection device and have this protector to mouthpart.The long distance pipeline seam welding protection device technical scheme that patent application of the present invention provides; Its major technique content is: a kind of long distance pipeline seam welding protection device; It comprises that some tops have the weld seam backplate of the cambered surface that conforms to the inner-walls of duct surface; The weld seam backplate is rotatably installed in and is on each pushing part that the circumference homogeneous radiation arranges, is that the portion of being pushed radially is pushed out to the interface of inclination in the same way that each top cambered surface is connected to become the circumference anchor ring of fitting with inner-walls of duct synchronously between each weld seam backplate and the adjacent weld seam backplate.
In above-mentioned overall technical architecture, has the guide rail of dividing a word with a hyphen at the end of a line that rotates for the deflection of weld seam backplate guiding on the interface of weld seam backplate.
In above-mentioned overall technical architecture, the elastic reset jackscrew is arranged on weld seam backplate sidepiece, elastic reset jackscrew roof pressure act on depart from weld seam backplate center of rotation sidepiece a bit.
In above-mentioned overall technical architecture; Be equipped with the caliber compensation arrangement on each weld seam backplate; Said caliber compensation arrangement by between the upper and lower connecting plate of resilient engagement constitute with the guide and limit card clamp two connecting plates that slides; Lower connecting plate is rotatably assorted in the pushing part, and upper junction plate and weld seam backplate are fixed as one.
The present invention also provide a kind of have above-mentioned long distance pipeline seam welding protection device to the mouthpart technical scheme, this is to all being fixed with a pedestal on each pushing part of side of mouthpart row, the weld seam backplate is rotatably arranged on to mouthpart pushing part pedestal.
The long distance pipeline seam welding protection device that patent application of the present invention provides with have this protector to the mouthpart technical scheme, when each weld seam backplate was pushed out, deflection made the top cambered surface be connected to become the whole periphery that fits tightly with the weld bond seam in the same way; In welding, effectively stop welding dirt, liquid to get into inner cavity of pipe; Avoid generations such as overlap, burr simultaneously, promptly obtain smooth, clean weld seam after the welding, after welding is accomplished; When each weld seam backplate is return by drive; Synchronous backward deflection, the rollback of stepping down leave inner-walls of duct, so that single unit system withdraws from tube cavity.The smooth, clean of inner-walls of duct promptly guaranteed in the application of present technique scheme in the welding, inner cavity of pipe is clean, has improved the pipe laying progress greatly, has shortened the engineering time.
Description of drawings
Fig. 1 is the general assembly structure chart to mouthpart that originally has long distance pipeline seam welding protection device
Fig. 2 and Fig. 3 release the two condition figure that is expansion linking and rollback dislocation deflection
Fig. 4 and Fig. 5 are the stereogram and the sectional structure charts of caliber compensation arrangement
Fig. 6 is the sectional structure chart of elastic reset jackscrew
Fig. 7 and Fig. 8 be respectively release be expansion linking state and rollback misplace deflection state have long distance pipeline seam welding protection device to the mouthpart structural representation.
The specific embodiment
The long distance pipeline seam welding protection device that application of the present invention separates; As shown in the figure; It comprises some weld seam backplates 1 that are shaped as parallelogram; The top of each weld seam backplate 1 is to have the cambered surface that is consistent with pipeline 4 inner wall surface, and each weld seam backplate 1 is rotatably installed on each pushing part 2 that is circumference homogeneous radiation layout by the identical set direction, is radially ejected or is return by pushing part 2.When being pushed portion 2 and radially releasing; Each weld seam backplate 1 deflects in the process of limit position in the same way, and each interface is connected each other fully, makes each top cambered surface be connected to the circumference anchor ring of fitting with pipeline 4 inwalls; As depicted in figs. 1 and 2; One vertical angles of the weld seam backplate 1 of parallelogram are preferably 45 °, have the guide rail of dividing a word with a hyphen at the end of a line for the 1 guiding deflection of weld seam backplate on the adjacent interface, guarantee the accuracy of deflection action.Pushing part 2 pulling weld seam backplates 1 are radially during rollback; The distance values a of the center of rotation spacing of two adjacent weld seam backplates 1 when ejecting dwindles variation gradually, promptly withdraws from circumference a1*n＜work circumference a*n, and n is the quantity of weld seam backplate; Each weld seam backplate 1 squeezes mistake each other and is oppositely deflection in the same way; Two acute angle drift angles of weld seam backplate 1 are ejected by dislocation, and the bore on the throne of weld seam backplate 1 of this moment promptly withdraws from the working diameter of diameter＜extension bits; Weld seam backplate 1 breaks away from pipeline 4 inwalls, just can this device be taken out in pipeline.In the present embodiment structure; Can deflect to the linking state smoothly when ejecting in order to make each weld seam backplate 1 be pushed portion 2; Be positioned at each weld seam backplate 1 sidepiece and be equipped with elastic reset jackscrew 17; Elastic reset jackscrew 17 roof pressures act on the sidepiece that departs from weld seam backplate 1 rotary centerline, deflect away from outward a bit; Adjustment screw 18 can be adjusted the side direction moment that resets that elastic reset jackscrew 17 applies, and auxiliary each weld seam backplate 1 is to being connected biased commentaries on classics, and it is more flexible and reliable to make each weld seam backplate 1 be connected the expansion running.Also provide a kind of in the present embodiment structure and can be fit to identical caliber model and the caliber compensation arrangement of the different pipeline of caliber error range; Like Fig. 4 and shown in Figure 5; This caliber compensation arrangement by upper junction plate 12, lower connecting plate 14, two connecting plates 12, between 14 spring 13 and by the both sides card load onto, the guide and limit card 10,11 of lower connecting plate 12,14 constitutes; Lower connecting plate 14 is rotatably installed on the pushing part 2; Upper junction plate 12 is fixed as one with weld seam backplate 1, and two connecting plates 12, spring 13 can compensate spacing between the two automatically between 14 with the caliber error, for weld seam backplate 1 provides the radial compensation distance.Be provided with the guide rail of dividing a word with a hyphen at the end of a line with lower connecting plate 14 sides of weld seam backplate 1 interface homonymy for the deflection of weld seam backplate guiding.
Disclosed by the invention have above-mentioned long distance pipeline seam welding protection device to mouthpart; Like Fig. 1, Fig. 7, Fig. 8 and shown in Figure 4; All be fixed with a pedestal 20 on each pushing part 2 to mouthpart 3 one sides row; The lower connecting plate 14 of weld seam backplate 1 or caliber compensation arrangement rotates and is arranged on the pedestal 20, and elastic reset jackscrew 17 acts on the guide and limit card 11 that departs from weld seam backplate 1 rotary centerline a bit.This becomes counterpart operation and solder joint protection operation are accomplished in pipe laying continuously by flow process multi-functional arranging fully to mouthpart.
Claims (7)
1. long distance pipeline seam welding protection device; It is characterized in that it comprises that some tops have the weld seam backplate (1) of the cambered surface that conforms to the inner-walls of duct surface; The weld seam backplate is rotatably installed in and is on each pushing part (2) that the circumference homogeneous radiation arranges, is to be pushed portion (2) radially to be pushed out to the interface of inclination in the same way that each top cambered surface is connected to become the circumference anchor ring of fitting with inner-walls of duct synchronously between each weld seam backplate and the adjacent weld seam backplate.
2. long distance pipeline solder joint protector according to claim 1 is characterized in that having the guide rail of dividing a word with a hyphen at the end of a line that rotates for the deflection of weld seam backplate guiding on the interface of weld seam backplate (1).
3. long distance pipeline solder joint protector according to claim 1 is characterized in that the elastic reset jackscrew is arranged on weld seam backplate (1) sidepiece, elastic reset jackscrew roof pressure act on depart from weld seam backplate center of rotation sidepiece a bit.
4. long distance pipeline solder joint protector according to claim 1; It is characterized in that the weld seam backplate is provided with the caliber compensation arrangement; The caliber compensation arrangement by between the upper and lower connecting plate (12,14) and the guide and limit card (10,11) that slip clamps two connecting plates (12,14) of resilient engagement constitute; Lower connecting plate (14) is rotatably assorted in the pushing part (2), and upper junction plate (12) is fixed as one with weld seam backplate (1).
5. long distance pipeline solder joint protector according to claim 4 is characterized in that being provided with the guide rail of dividing a word with a hyphen at the end of a line for the deflection of weld seam backplate guiding with lower connecting plate (14) side of weld seam backplate (1) interface homonymy.
6. long distance pipeline solder joint protector according to claim 1 is characterized in that weld seam backplate (1) is a parallelogram, and the one of which vertical angles are 45 °.
7. have claim 1,2,3,4,5 or 6 described long distance pipeline solder joint protectors to mouthpart; It is characterized in that to all being fixed with a pedestal (20) on a side of mouthpart each pushing part of row (2) weld seam backplate (1) is rotatably arranged on to mouthpart pushing part pedestal (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210124335.5A CN102615457B (en) | 2012-04-25 | 2012-04-25 | Long-distance pipeline seam welding protector and aligning device provided with protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210124335.5A CN102615457B (en) | 2012-04-25 | 2012-04-25 | Long-distance pipeline seam welding protector and aligning device provided with protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102615457A true CN102615457A (en) | 2012-08-01 |
| CN102615457B CN102615457B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210124335.5A Expired - Fee Related CN102615457B (en) | 2012-04-25 | 2012-04-25 | Long-distance pipeline seam welding protector and aligning device provided with protector |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85105922A (en) * | 1985-08-05 | 1987-02-25 | 麦克德莫特国际公司 | The weld-supporting mechanism of welding apparatus in pipe |
| US5110031A (en) * | 1990-11-02 | 1992-05-05 | Atlantic Point Inc. | Weld suporting ring for pipes |
| US5285947A (en) * | 1992-09-14 | 1994-02-15 | Cogsdill Tool Products, Inc. | Welding fixture |
| EP0628378A2 (en) * | 1993-06-07 | 1994-12-14 | Crc-Evans Pipeline International, Inc. | Internal line up clamp |
| WO2000024546A1 (en) * | 1998-10-23 | 2000-05-04 | Proline Pipe Equipment Inc. | Internal backup ring system |
| CN201455557U (en) * | 2009-08-26 | 2010-05-12 | 重庆斯沃德光电设备设计制造有限公司 | Pipeline welding device |
| CN202622208U (en) * | 2012-04-25 | 2012-12-26 | 丹东曙光泵阀有限公司 | Long-distance pipeline joint welding protector and aligning device with protector |
-
2012
- 2012-04-25 CN CN201210124335.5A patent/CN102615457B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85105922A (en) * | 1985-08-05 | 1987-02-25 | 麦克德莫特国际公司 | The weld-supporting mechanism of welding apparatus in pipe |
| US5110031A (en) * | 1990-11-02 | 1992-05-05 | Atlantic Point Inc. | Weld suporting ring for pipes |
| US5285947A (en) * | 1992-09-14 | 1994-02-15 | Cogsdill Tool Products, Inc. | Welding fixture |
| EP0628378A2 (en) * | 1993-06-07 | 1994-12-14 | Crc-Evans Pipeline International, Inc. | Internal line up clamp |
| WO2000024546A1 (en) * | 1998-10-23 | 2000-05-04 | Proline Pipe Equipment Inc. | Internal backup ring system |
| CN201455557U (en) * | 2009-08-26 | 2010-05-12 | 重庆斯沃德光电设备设计制造有限公司 | Pipeline welding device |
| CN202622208U (en) * | 2012-04-25 | 2012-12-26 | 丹东曙光泵阀有限公司 | Long-distance pipeline joint welding protector and aligning device with protector |
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| Publication number | Publication date |
|---|---|
| CN102615457B (en) | 2015-03-18 |
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