CN102794596A - Device for locking, welding and centering round pipes - Google Patents
Device for locking, welding and centering round pipes Download PDFInfo
- Publication number
- CN102794596A CN102794596A CN2012102832554A CN201210283255A CN102794596A CN 102794596 A CN102794596 A CN 102794596A CN 2012102832554 A CN2012102832554 A CN 2012102832554A CN 201210283255 A CN201210283255 A CN 201210283255A CN 102794596 A CN102794596 A CN 102794596A
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- connecting rod
- pipe
- locking
- pivot pin
- screw thread
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Abstract
The invention discloses a device for locking, welding and centering round pipes. A locking rod comprises a plurality of conical sections in the same direction; a positioning hand wheel is mounted at one end of the locking rod through threads; a circumferential flange is formed in the other end of the locking rod; external threads are formed in a concentric sleeve; a round pipe locking device is mounted at one end of the concentric sleeve through threads; at least three through grooves are uniformly distributed in the circumferential direction of the concentric sleeve corresponding to each conical section of the locking rod; a steel ball is mounted in each through groove; the number of elastic locking sleeves is the same as that of the conical sections of the locking rod; the elastic locking sleeves are axially fixed to the concentric sleeve through threads; arc-shaped outwardly projected elastic metal sheets are arranged on the elastic locking sleeves; the steel balls are against the elastic metal sheets of the elastic locking sleeves and the corresponding conical sections of the locking rod; and the elastic metal sheets are against the inner wall of the first round pipe and the inner wall of the second round pipe. According to the device, the round pipes are directly welded after being quickly positioned in a high-precision way without multi-time visual measurement and repeated adjustment, so that the step of fixing by point welding is removed, thereby saving time and labor.
Description
Technical field
The present invention relates to a kind of device that two sections pipes are positioned of being used for, specifically exactly two sections identical pipes of diameter are located centering fast, two sections pipes can be welded easily.
Background technology
Various pipelines on the ship are called " blood vessel " of boats and ships, as the predominating path of ship power transmission, delivering vapor, gas, water and wet goods; In boats and ships, play considerable effect; When in the shipbuilding process, need carrying out centering welding, when the pipe of two sections different-diameters is welded together, need carry out space orientation to two sections pipes earlier to a large amount of pipelines; Make two sections circle pipe centerings, just can weld then.
At present, mostly be artificial fixed form to carrying out sterically defined mode before two sections pipe welding.Though the centering of adopting artificial fixed form also can realize two sections pipes needs through repeatedly measuring, the range estimation positioning accuracy is low, needs to adjust repeatedly to realize welding, wastes time and energy.
Adopt pipe locking welding centralising device can avoid above problem.China specially CN 201012445Y discloses a kind of pipe welded retainer; This patent adopts the elasticity lock sleeve that round tube inner wall is locked; But in the process that manual work is screwed, occur the skidding between tube wall and the elasticity lock sleeve easily, pipeline centering is fixedly impacted.
Summary of the invention
A kind of pipe locking welding centralising device that provides of the present invention.Use this pipe locking welding centralising device that two sections pipes are carried out centering, the ability effective and rapid is locked centering to pipeline and is fixed, and can not occur the skidding of fixture and pipeline inner wall in the position fixing process; Weld again; Positioning accuracy is high, and is convenient and swift, time saving and energy saving.
The technical solution adopted for the present invention to solve the technical problems is:
Pipe locking welding centralising device comprises check lock lever, concentric locking collar, elasticity lock sleeve, steel ball, location handwheel and pipe locker.Described check lock lever is made up of some conical sections in the same way; The one of which end is equipped with the location handwheel through screw thread, and the other end is circumferential rib, on the described concentric locking collar external screw thread is arranged; The one of which end is equipped with the pipe locker through screw thread; Corresponding week of each conical section on concentric locking collar and the check lock lever upwards is uniform-distribution with at least three grooves, in each groove steel ball is installed, and the elasticity lock sleeve equates with conical section quantity on the check lock lever; The elasticity lock sleeve is axially fixed on the concentric locking collar through screw thread; Elasticity locking puts all has the outwards resilient blade of protuberance of arc, and the resilient blade of corresponding with check lock lever respectively conical section of described steel ball and elasticity lock sleeve offsets, and resilient blade and pipe one inwall, pipe two inwalls offset.
Described pipe locker comprises the connecting rod holder, connecting rod one, connecting rod two; Connecting rod three, pivot pin one, pivot pin two; Pivot pin three and locking handwheel connect through the bolt in the bolt hole between the connecting rod holder of circumferential arrangement, and the connecting rod holder is tightened on concentric locking collar through screw thread; One end of connecting rod one is fixed on the connecting rod holder through pivot pin one, and an end of connecting rod two is fixed on connecting rod one other end through pivot pin two, and an end of connecting rod three is fixed on the other end of connecting rod two through pivot pin three; Connecting rod three places between connecting rod holder and the concentric locking collar, and offsets connecting rod one with the locking handwheel; Connecting rod two is formed slider-crank mechanism with connecting rod three, and the connecting rod one and the curved surface of connecting rod two junctions and the inwall of pipe two offset.
The invention has the beneficial effects as follows: the present invention is equipped with concentric locking collar on check lock lever, and elasticity lock sleeve, steel ball and pipe locker are installed on the concentric locking collar.The locking handwheel of screwing clockwise makes the connecting rod one on the pipe locker offset with connecting rod two and pipe two inwalls; Pipeline is locked; Effectively avoid occurring skidding, dextrorotation tightening position handwheel makes check lock lever laterally move to right, and props up pipe one and pipe two inwalls thereby the conical section of check lock lever forces steel ball to open the resilient blade of elasticity lock sleeve outward; Force pipe one and pipe two fast concentric centerings, directly weld again.Compare with artificial pipe location centering, do not need repeatedly to estimate and measure and adjustment repeatedly, directly weld pipe back, realization quick high accuracy location, has exempted the fixing step of spot welding, time saving and energy saving.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A cutaway view through the Fig. 1 that amplifies;
Fig. 3 is the structural representation of pipe locker.
The specific embodiment
Be further described below in conjunction with the accompanying drawing specific embodiments of the invention.
Like Fig. 1, shown in Figure 2, the check lock lever 5 of present embodiment is made up of some conical sections in the same way, and the one of which end is equipped with location handwheel 14 through screw thread; The other end is circumferential rib 20; On the described concentric locking collar 4 external screw thread is arranged, the one of which end is equipped with pipe locker 13 through screw thread, corresponding week of each conical section upwards is uniform-distribution with three grooves 6 on concentric locking collar 4 and the check lock lever 5; In each groove 6 steel ball 2 is installed; Elasticity lock sleeve 3 equates that with conical section quantity on the check lock lever 5 elasticity lock sleeve 3 is axially fixed on the concentric locking collar 4 through screw thread, and the outwards resilient blade 19 of protuberance of arc is all arranged on the elasticity lock sleeve 3; Described steel ball 2 offsets with the resilient blade 19 of check lock lever 5 corresponding conical sections and elasticity lock sleeve 3 respectively, and resilient blade 19 offsets with pipe one 1 inwalls, pipe 2 18 inwalls.
As shown in Figure 3,3 connecting rod holders 7 of pipe locker 13 circumferential arrangement connect through the bolt in 3 bolts hole 16, and connecting rod holder 7 is tightened on concentric locking collar 4 through screw thread; Connecting rod 1 is fixed on the connecting rod holder 7 through pivot pin 1; Connecting rod 2 11 is fixed on the connecting rod 1 through pivot pin 2 10, and connecting rod 3 17 is fixed on the connecting rod 2 11 through pivot pin 3 12, and connecting rod 3 17 places between connecting rod holder 7 and the concentric locking collar 4; And with locking handwheel 15 offset; Connecting rod 1, connecting rod 2 11 is formed slider-crank mechanism with connecting rod 3 17, and the connecting rod 1 and the curved surface of connecting rod 2 11 junctions and the inwall of pipe 2 18 offset.
During work, unclamp locking handwheel 15 and location handwheel 14 counterclockwise earlier, make elasticity lock sleeve 3 and pipe locker 13 be in releasing orientation; Be put in the present invention between pipe to be welded 1 and the pipe 2 18; The locking handwheel 15 that turns clockwise makes connecting rod 3 17 laterally move to left, and makes connecting rod 1 and connecting rod 2 11 outwards move, and connecting rod 1 offsets with connecting rod 2 11 joint faces and pipeline 2 18 inwalls; Locking pipe 2 18; The location handwheel 14 that turns clockwise makes check lock lever 5 laterally move to right, thereby the conical section of check lock lever 5 forces steel ball 2 to open the inwall that props up pipe 1 and pipe 2 18 to the resilient blade 19 of elasticity lock sleeve 3 outward, forces pipe 1 and pipe 2 18 fast concentric centerings; Directly weld again; Be rotated counterclockwise locking handwheel 15 and location handwheel 14 after the welding completion, make elasticity lock sleeve 3 and pipe locker 13 unclamp, this device is taken out from pipe 1 and pipe 2 18.
Claims (2)
1. centralising device is welded in pipe locking; Comprise check lock lever (5), concentric locking collar (4), elasticity lock sleeve (3), steel ball (2), location handwheel (14) and pipe locker (13); It is characterized in that: described check lock lever (5) is made up of some conical sections in the same way; The one of which end is equipped with location handwheel (14) through screw thread, and the other end is circumferential rib (20), and described concentric locking collar has external screw thread on (4); The one of which end is equipped with pipe locker (13) through screw thread; Corresponding week of each conical section upwards be uniform-distribution with at least three grooves (6) on concentric locking collar (4) and the check lock lever (5), steel ball (2) is installed in each groove (6), elasticity lock sleeve (3) equates with conical section quantity on the check lock lever (5); Elasticity lock sleeve (3) is axially fixed on the concentric locking collar (4) through screw thread; The outwards resilient blade (19) of protuberance of arc is all arranged on the elasticity lock sleeve (3), and described steel ball (2) offsets with the resilient blade (19) of the corresponding conical section of check lock lever (5) and elasticity lock sleeve (3) respectively, and resilient blade (19) and pipe one (1) inwall, pipe two (18) inwalls offset.
2. pipe locking welding centralising device according to claim 1, it is characterized in that: described pipe locker (13) comprises connecting rod holder (7), connecting rod one (9); Connecting rod two (11), connecting rod three (17), pivot pin one (8); Pivot pin two (10), pivot pin three (12) and locking handwheel (15) connect through the bolt in the bolt hole (16) between the connecting rod holder (7) of circumferential arrangement; Connecting rod holder (7) is tightened on concentric locking collar (4) through screw thread, and an end of connecting rod one (9) is fixed on the connecting rod holder (7) through pivot pin one (8), and an end of connecting rod two (11) is fixed on connecting rod one (9) other end through pivot pin two (10); One end of connecting rod three (17) is fixed on the other end of connecting rod two (11) through pivot pin three (12); Connecting rod three (17) places between connecting rod holder (7) and the concentric locking collar (4), and offsets connecting rod one (9) with locking handwheel (15); Connecting rod two (11) and connecting rod three (17) are formed slider-crank mechanism, and the curved surface of connecting rod one (9) and connecting rod two (11) junctions and the inwall of pipe two (18) offset.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012102832554A CN102794596A (en) | 2012-08-10 | 2012-08-10 | Device for locking, welding and centering round pipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012102832554A CN102794596A (en) | 2012-08-10 | 2012-08-10 | Device for locking, welding and centering round pipes |
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CN102794596A true CN102794596A (en) | 2012-11-28 |
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CN2012102832554A Pending CN102794596A (en) | 2012-08-10 | 2012-08-10 | Device for locking, welding and centering round pipes |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015164864A1 (en) * | 2014-04-25 | 2015-10-29 | Palmaz Scientific, Inc. | Adaptive guide bushing for laser tube cutting systems |
CN110355523A (en) * | 2019-06-26 | 2019-10-22 | 中国船舶重工集团公司第七二五研究所 | A kind of positioning device and fixed-position welding method of heat exchanger tube sheet soldering and sealing |
CN111168321A (en) * | 2020-03-05 | 2020-05-19 | 黑龙江建筑职业技术学院 | Fixing clamp for welding heating and ventilation pipe |
CN111227534A (en) * | 2018-11-29 | 2020-06-05 | 仁宝电脑工业股份有限公司 | Wine bottle fixing device and wine cabinet |
US11969819B2 (en) | 2019-04-16 | 2024-04-30 | Vactronix Scientific, Llc | Adaptive guide bushing for laser tube cutting systems |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US2615413A (en) * | 1949-01-28 | 1952-10-28 | United States Steel Corp | Internal pipe aligning clamp |
US5356067A (en) * | 1993-06-07 | 1994-10-18 | Crc-Evans Pipeline International, Inc. | Internal line up clamp |
CN201012445Y (en) * | 2007-01-27 | 2008-01-30 | 中国船舶重工集团公司第七○二研究所 | Round tube soldering positioner |
CN201275681Y (en) * | 2008-09-16 | 2009-07-22 | 上汽通用五菱汽车股份有限公司 | Crank rocker type backward clamp device |
CN201519848U (en) * | 2009-09-15 | 2010-07-07 | 大庆油田有限责任公司 | Triangular support flange centralizer |
CN202780372U (en) * | 2012-08-10 | 2013-03-13 | 浙江大学 | Round pipe locking welding centering device |
-
2012
- 2012-08-10 CN CN2012102832554A patent/CN102794596A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2615413A (en) * | 1949-01-28 | 1952-10-28 | United States Steel Corp | Internal pipe aligning clamp |
US5356067A (en) * | 1993-06-07 | 1994-10-18 | Crc-Evans Pipeline International, Inc. | Internal line up clamp |
CN201012445Y (en) * | 2007-01-27 | 2008-01-30 | 中国船舶重工集团公司第七○二研究所 | Round tube soldering positioner |
CN201275681Y (en) * | 2008-09-16 | 2009-07-22 | 上汽通用五菱汽车股份有限公司 | Crank rocker type backward clamp device |
CN201519848U (en) * | 2009-09-15 | 2010-07-07 | 大庆油田有限责任公司 | Triangular support flange centralizer |
CN202780372U (en) * | 2012-08-10 | 2013-03-13 | 浙江大学 | Round pipe locking welding centering device |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10259080B1 (en) | 2013-04-26 | 2019-04-16 | Vactronix Scientific, Llc | Adaptive guide bushing for laser tube cutting systems |
WO2015164864A1 (en) * | 2014-04-25 | 2015-10-29 | Palmaz Scientific, Inc. | Adaptive guide bushing for laser tube cutting systems |
CN111227534A (en) * | 2018-11-29 | 2020-06-05 | 仁宝电脑工业股份有限公司 | Wine bottle fixing device and wine cabinet |
US11969819B2 (en) | 2019-04-16 | 2024-04-30 | Vactronix Scientific, Llc | Adaptive guide bushing for laser tube cutting systems |
CN110355523A (en) * | 2019-06-26 | 2019-10-22 | 中国船舶重工集团公司第七二五研究所 | A kind of positioning device and fixed-position welding method of heat exchanger tube sheet soldering and sealing |
CN111168321A (en) * | 2020-03-05 | 2020-05-19 | 黑龙江建筑职业技术学院 | Fixing clamp for welding heating and ventilation pipe |
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Application publication date: 20121128 |