CN103350309A - Tension method and tension device for aligning coaxiality and circularity of pipelines - Google Patents
Tension method and tension device for aligning coaxiality and circularity of pipelines Download PDFInfo
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- CN103350309A CN103350309A CN2013102538584A CN201310253858A CN103350309A CN 103350309 A CN103350309 A CN 103350309A CN 2013102538584 A CN2013102538584 A CN 2013102538584A CN 201310253858 A CN201310253858 A CN 201310253858A CN 103350309 A CN103350309 A CN 103350309A
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Abstract
The invention relates to the technical field of tension type aligning devices, and discloses a tension method and a tension device for aligning coaxiality and circularity of pipelines. The tension device comprises a front tension device, a rear tension device, a copper lining mechanism, a main shaft, guide mechanisms, a hanging mechanism, a support, a hydraulic system and a pneumatic system, wherein the front tension mechanism and the rear tension mechanism are connected coaxially through the main shaft; the guide mechanisms are arranged at two ends of the front tension device and at the two ends of the rear tension device; the copper lining mechanism is arranged between the front tension mechanism and the rear tension mechanism; and the front tension mechanism and the rear tension mechanism are identical mechanisms. According to the tension method and the tension device, the front tension mechanism and the rear tension mechanism are arranged, each tension mechanism mainly comprises two tension devices which have the same structural styles; and both the front tension mechanism and the rear tension mechanism have the same principles. The coaxiality of two aligned pipelines and the circularity of aligned end surfaces can be guaranteed.
Description
Technical field
The present invention relates to swelled to the mouthpart technical field, relate in particular to a kind of tensioner method and swelling device for pipeline butt axiality and circularity.
Background technology
At present, the butt welding of two pipelines, be generally the port docking welding of two pipes, since in the pipeline to mouthpart can not with two pipeline tensioners, the port of two pipes docking welding difficulty, or in the pipeline to mouthpart and two pipeline tensioners, will produce two pipeline butt axialities and circularity undesirable, cause the port docking welding of two pipes defective, cause the port docking welding defective goods of two pipes.
Summary of the invention
In order to overcome the deficiency in the background technology, the invention provides a kind of tensioner method and swelling device for pipeline butt axiality and circularity.
In order to realize the foregoing invention purpose, the present invention adopts technical scheme as follows:
A kind of swelling device for pipeline butt axiality and circularity, comprise: front tension mechanism 2, rear tension mechanism 6, brass mechanism 5, main shaft 4, guiding mechanism 1, hoisting mechanism 3, support, hydraulic system and pneumatic system, described front tension mechanism 2 and rear tension mechanism 6 are by 4 coaxial connections of main shaft, described front tension mechanism 2 is provided with guiding mechanism 1 with the two ends of rear tension mechanism 6, be provided with brass mechanism 5 between described front tension mechanism 2 and the rear tension mechanism 6, wherein, front tension mechanism 2 is identical tension mechanism with rear tension mechanism 6.
A kind of swelling device for pipeline butt axiality and circularity, described front tension mechanism 2 is comprised of two groups of relative swelling devices, every group of swelling device is comprised of building block 2.1, spring 2.2, cylinder barrel 2.3, piston 2.4, oil circuit a, oil circuit b, and the piston 2.4 in the described cylinder barrel 2.3 is fixedly connected with main shaft 4; Described be enclosed within on the main shaft 4 cylinder barrel 2.3 1 ends be evenly distributed on several activity building block and sliding-contacts on the circumference, several activity building blocks be fixed on main shaft 4 on corresponding several fixedly building block sliding-contacts; Wherein be fixedly connected with by spring 2.2 between several activity building blocks; Described piston 2.4 links to each other with hydraulic system by oil circuit a with the cavity of cylinder barrel 2.3 ends that contact the activity building block; Described piston 2.4 links to each other with hydraulic system by oil circuit b with the cavity of cylinder barrel 2.3 ends that do not contact the activity building block.
A kind of tensioner method for pipeline butt axiality and circularity adopts the interior swelled counterpart device of hydraulic pressure to carry out counterpart, guarantees that two are carried out the axiality of counterpart pipeline and the circularity of counterpart end face, and its step is as follows:
One, front tension mechanism is entered tensioner behind first pipeline,
1), when hydraulic oil enters cylinder barrel by oil circuit 1, be fixed together by piston 4 and main shaft, so cylinder barrel travels forward under the pressure-acting of hydraulic oil, travel forward simultaneously so that be evenly distributed on several activity building blocks 2.1 on the circumference, simultaneously activity building block 2.1 radially produces displacement along main shaft 4;
2), when piston 4 contact with the cylinder barrel bottom of motion, cylinder barrel 2.3 stop motions, this moment, circumference and the internal diameter of the pipeline of several activity building block 2.1 upper surfaces compositions coincided; In this process, the hydraulic oil in the cylinder barrel 2.3 returns fuel tank by oil circuit 2;
3), when hydraulic oil enters cylinder barrel by oil circuit 2, the piston that is fixed on the main shaft is motionless, so cylinder barrel is backward motion under the pressure-acting of hydraulic oil, so that be evenly distributed on simultaneously backward motion of the N on the circumference building block, simultaneously building block is along the diameter of axle to producing displacement;
4), when piston movement to cylinder barrel when bottom, the piston stop motion, several activity building blocks 2.1 this moment are got back to initial position under the effect of spring 2.2 pulling force; The interior hydraulic oil of cylinder barrel returns fuel tank by oil circuit 1 in this process;
Two, second pipeline put into rear tension mechanism and tensioner, the building block of rear tension mechanism and the building block of front tension mechanism are in full accord again, and the job step of rear tension mechanism is identical with front tension mechanism job step;
1), when hydraulic oil enters cylinder barrel by oil circuit 1, can make equally second pipeline coaxial with main shaft 4 after the building block tensioner; It is coaxial with 8 maintenances of 7 second pipelines that this moment, first device for cleaning pipeline crossed rigidity and the intensity of main shaft 4.
2), described working connection is the deep hole on the main shaft 4, replaced the circumscribed oil pipe, saved to a great extent the space of equipment, and improved the reliability of oil circuit.
Because adopt aforesaid technical scheme, the present invention has following superiority:
A kind of tensioner method and swelling device for pipeline butt axiality and circularity adopt front tension mechanism and rear tension mechanism, and each tension mechanism mainly contains two cover swelling devices and forms, and its version is identical; Thereafter tension mechanism is identical with front tension mechanism principle.So the present invention can guarantee that two are carried out the axiality of counterpart pipeline and the circularity of counterpart end face.
[description of drawings]
Fig. 1 is the structural representation of swelled counterpart device in the hydraulic pressure;
Fig. 2 is the structural representation of front tension mechanism;
Among the figure: 1, guiding mechanism, 2, front tension mechanism, 2.1, building block, 2.2, spring, 2.3, cylinder barrel, 2.4, piston, 2.5, oil circuit a, 2.6, oil circuit b, 3, hoisting mechanism, 4, main shaft, 5, brass mechanism, 6, rear tension mechanism, 7, first pipelines, 8, second pipelines.
[specific embodiment]
As shown in Figure 1, 2, a kind of swelling device for pipeline butt axiality and circularity, comprise: front tension mechanism 2, rear tension mechanism 6, brass mechanism 5, main shaft 4, guiding mechanism 1, hoisting mechanism 3, support, hydraulic system and pneumatic system, described front tension mechanism 2 and rear tension mechanism 6 are by 4 coaxial connections of main shaft, described front tension mechanism 2 is provided with guiding mechanism 1 with the two ends of rear tension mechanism 6, be provided with brass mechanism 5 between described front tension mechanism 2 and the rear tension mechanism 6, wherein, front tension mechanism 2 is identical tension mechanism with rear tension mechanism 6.
Described front tension mechanism 2 is comprised of two groups of relative swelling devices, and every group of swelling device is comprised of building block 2.1, spring 2.2, cylinder barrel 2.3, piston 2.4, oil circuit a, oil circuit b, and the piston 2.4 in the described cylinder barrel 2.3 is fixedly connected with main shaft 4; Described be enclosed within on the main shaft 4 cylinder barrel 2.3 1 ends be evenly distributed on several activity building block and sliding-contacts on the circumference, several activity building blocks be fixed on main shaft 4 on corresponding several fixedly building block sliding-contacts; Wherein be fixedly connected with by spring 2.2 between several activity building blocks; Described piston 2.4 links to each other with hydraulic system by oil circuit a with the cavity of cylinder barrel 2.3 ends that contact the activity building block; Described piston 2.4 links to each other with hydraulic system by oil circuit b with the cavity of cylinder barrel 2.3 ends that do not contact the activity building block.
A kind of for swelled counterpart method in the hydraulic pressure of pipeline butt axiality and circularity, carry out the axiality of counterpart pipeline and the circularity of counterpart end face for guaranteeing two, adopt the interior swelled counterpart device of hydraulic pressure to carry out counterpart, its step is as follows:
One, front tension mechanism is entered tensioner behind first pipeline,
1), when hydraulic oil enters cylinder barrel by oil circuit 1, be fixed together by piston 4 and main shaft, so cylinder barrel travels forward under the pressure-acting of hydraulic oil, travel forward simultaneously so that be evenly distributed on several activity building blocks 2.1 on the circumference, simultaneously activity building block 2.1 radially produces displacement along main shaft 4;
2), when piston 4 contact with the cylinder barrel bottom of motion, cylinder barrel 2.3 stop motions, this moment, circumference and the internal diameter of the pipeline of several activity building block 2.1 upper surfaces compositions coincided; In this process, the hydraulic oil in the cylinder barrel 2.3 returns fuel tank by oil circuit 2;
3), when hydraulic oil enters cylinder barrel by oil circuit 2, the piston that is fixed on the main shaft is motionless, so cylinder barrel is backward motion under the pressure-acting of hydraulic oil, so that be evenly distributed on simultaneously backward motion of the N on the circumference building block, simultaneously building block is along the diameter of axle to producing displacement;
4), when piston movement to cylinder barrel when bottom, the piston stop motion, several activity building blocks 2.1 this moment are got back to initial position under the effect of spring 2.2 pulling force; The interior hydraulic oil of cylinder barrel returns fuel tank by oil circuit 1 in this process;
Two, second pipeline put into rear tension mechanism and tensioner, the building block of rear tension mechanism and the building block of front tension mechanism are in full accord again, and the job step of rear tension mechanism is identical with front tension mechanism job step;
1), when hydraulic oil enters cylinder barrel by oil circuit 1, can make equally second pipeline coaxial with main shaft 4 after the building block tensioner; It is coaxial with 8 maintenances of 7 second pipelines that this moment, first device for cleaning pipeline crossed rigidity and the intensity of main shaft 4.
2), described working connection is the deep hole on the main shaft 4, replaced the circumscribed oil pipe, saved to a great extent the space of equipment, and improved the reliability of oil circuit;
This is comprised of front tension mechanism, rear tension mechanism, brass mechanism, main shaft, guiding mechanism, hoisting mechanism, support, hydraulic system and pneumatic system etc. mouthpart chief component parts,
Illustrate: major function is carried out the axiality of counterpart pipeline and the circularity of counterpart end face for guaranteeing two
1, former tension mechanism is example explanation (rear tension mechanism is identical with front tension mechanism principle):
Front tension mechanism mainly contains two cover swelling devices and forms, and its version is identical.
When hydraulic oil enters cylinder barrel by oil circuit 1, because piston and main shaft are fixed together, so cylinder barrel travels forward under the effect of pressure, travel forward simultaneously so that be evenly distributed on the building block of the N on the circumference, simultaneously building block is along the diameter of axle to producing displacement.When piston movement arrives the cylinder barrel bottom, the piston stop motion, circumference and internal diameter of the pipeline that this moment, N building block upper surface formed coincide.The interior hydraulic oil of former cylinder barrel returns fuel tank by oil circuit 2 in this process.When hydraulic oil entered cylinder barrel by oil circuit 2, because piston and main shaft are fixed together, so cylinder barrel backward motion under the effect of pressure, so that be evenly distributed on simultaneously backward motion of the N on the circumference building block, simultaneously building block was along the diameter of axle to producing displacement.When piston movement arrives the cylinder barrel bottom, the piston stop motion, N building block this moment got back to initial position under the effect of spring tension.The interior hydraulic oil of former cylinder barrel returns fuel tank by oil circuit 1 in this process.
2, front tension mechanism enters tensioner behind first pipeline, because two be assembled into device and be synchronized with the movement, and the external diameter of the circle that forms of two groups of building block upper surfaces is identical, so just effectively guaranteed the axiality of first pipeline and main shaft; Again second pipeline put into rear tension mechanism and tensioner.Rear tension mechanism operation principle is identical with front tension mechanism operation principle, and the building block of building block and front tension mechanism is in full accord.Equally effectively guaranteed the axiality of second pipeline and main shaft after the tensioner.This moment, the axiality of first pipeline and second pipeline just can be guaranteed by main shaft good rigidity and intensity.
3, working connection is the deep hole on the main shaft, has replaced circumscribed oil pipe in the past, has saved to a great extent the space of equipment, and has effectively raised the reliability of oil circuit.
Claims (3)
1. swelling device that is used for pipeline butt axiality and circularity, comprise: front tension mechanism (2), rear tension mechanism (6), brass mechanism (5), main shaft (4), guiding mechanism (1), hoisting mechanism (3), support, hydraulic system and pneumatic system, described front tension mechanism (2) and rear tension mechanism (6) are by coaxial connection of main shaft (4), described front tension mechanism (2) is provided with guiding mechanism (1) with the two ends of rear tension mechanism (6), be provided with brass mechanism (5) between described front tension mechanism (2) and the rear tension mechanism (6), wherein, front tension mechanism (2) is identical tension mechanism with rear tension mechanism (6).
2. swelling device that is used for pipeline butt axiality and circularity, described front tension mechanism (2) is comprised of two groups of relative swelling devices, every group of swelling device is comprised of building block (2.1), spring (2.2), cylinder barrel (2.3), piston (2.4), oil circuit a, oil circuit b, and the piston (2.4) in the described cylinder barrel (2.3) is fixedly connected with main shaft (4); Described be enclosed within on the main shaft (4) cylinder barrel (2.3) one ends be evenly distributed on several activity building block and sliding-contacts on the circumference, several activity building blocks be fixed on main shaft (4) and go up several corresponding fixedly building block sliding-contacts; Wherein be fixedly connected with by spring (2.2) between several activity building blocks; Described piston (2.4) links to each other with hydraulic system by oil circuit a with the cavity of the cylinder barrel that contacts the activity building block (2.3) end; Described piston (2.4) links to each other with hydraulic system by oil circuit b with the cavity of the cylinder barrel that does not contact the activity building block (2.3) end.
3. a tensioner method that is used for pipeline butt axiality and circularity is swelled counterpart method in the hydraulic pressure, adopts the interior swelled counterpart device of hydraulic pressure to carry out counterpart, guarantees that two are carried out the axiality of counterpart pipeline and the circularity of counterpart end face, and its step is as follows:
One, front tension mechanism is entered tensioner behind first pipeline,
1), when hydraulic oil enters cylinder barrel by oil circuit 1, be fixed together by piston (4) and main shaft, so cylinder barrel travels forward under the pressure-acting of hydraulic oil, travel forward simultaneously so that be evenly distributed on several activity building blocks (2.1) on the circumference, simultaneously activity building block (2.1) radially produces displacement along main shaft (4);
2), when piston (4) contact with the cylinder barrel bottom of motion, cylinder barrel (2.3) stop motion, this moment, circumference and the internal diameter of the pipeline of several activity building block (2.1) upper surfaces compositions coincided; In this process, the hydraulic oil in the cylinder barrel (2.3) returns fuel tank by oil circuit (2);
3), when hydraulic oil by oil circuit (2) when entering cylinder barrel, the piston that is fixed on the main shaft is motionless, so cylinder barrel is backward motion under the pressure-acting of hydraulic oil, so that be evenly distributed on simultaneously backward motion of the N on the circumference building block, simultaneously building block is along the diameter of axle to producing displacement;
4), when piston movement to cylinder barrel when bottom, the piston stop motion, several activity building blocks (2.1) this moment are got back to initial position under the effect of spring (2.2) pulling force; The interior hydraulic oil of cylinder barrel returns fuel tank by oil circuit (1) in this process;
Two, second pipeline put into rear tension mechanism and tensioner, the building block of rear tension mechanism and the building block of front tension mechanism are in full accord again, and the job step of rear tension mechanism is identical with front tension mechanism job step;
1), when entering cylinder barrel, can make equally second pipeline coaxial with main shaft (4) by oil circuit (1) after the building block tensioner when hydraulic oil; It is coaxial with (7) second pipelines (8) maintenance that this moment, first device for cleaning pipeline crossed rigidity and the intensity of main shaft (4);
2), described working connection is the deep hole on the main shaft (4), replaced the circumscribed oil pipe, saved to a great extent the space of equipment, and improved the reliability of oil circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102538584A CN103350309A (en) | 2013-06-25 | 2013-06-25 | Tension method and tension device for aligning coaxiality and circularity of pipelines |
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| CN2013102538584A CN103350309A (en) | 2013-06-25 | 2013-06-25 | Tension method and tension device for aligning coaxiality and circularity of pipelines |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586621A (en) * | 2013-11-28 | 2014-02-19 | 昆山华恒焊接股份有限公司 | Pipe flange welding locating device |
| CN104344076A (en) * | 2014-09-26 | 2015-02-11 | 洛阳德平科技股份有限公司 | Internal clamp capable of quickly centering |
| CN104339120A (en) * | 2014-10-31 | 2015-02-11 | 茂名重力石化机械制造有限公司 | Self-tightened type aligner for aligning shock-cooling heat exchanger tube |
| CN107234400A (en) * | 2017-08-08 | 2017-10-10 | 重庆格机械制造有限公司 | Turn to the weld jig of support |
| CN107263008A (en) * | 2017-08-07 | 2017-10-20 | 重庆格机械制造有限公司 | Automobile steering supporting welder |
| CN113732609A (en) * | 2021-08-27 | 2021-12-03 | 航天海鹰(哈尔滨)钛业有限公司 | Stepped annular part high-precision butt-joint ring welding inner support tool and design method and welding method thereof |
| CN114178778A (en) * | 2021-11-25 | 2022-03-15 | 贵州枫叶管业有限公司 | Pipe sleeve mounting equipment at two ends of water supply pipe of steel wire framework |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586621A (en) * | 2013-11-28 | 2014-02-19 | 昆山华恒焊接股份有限公司 | Pipe flange welding locating device |
| CN103586621B (en) * | 2013-11-28 | 2015-12-02 | 昆山华恒焊接股份有限公司 | Pipe fitting flange apparatus for welding and positioning |
| CN104344076A (en) * | 2014-09-26 | 2015-02-11 | 洛阳德平科技股份有限公司 | Internal clamp capable of quickly centering |
| CN104339120A (en) * | 2014-10-31 | 2015-02-11 | 茂名重力石化机械制造有限公司 | Self-tightened type aligner for aligning shock-cooling heat exchanger tube |
| CN104339120B (en) * | 2014-10-31 | 2016-02-03 | 茂名重力石化机械制造有限公司 | The self-tightening type line-up clamp of rapid-cooling heat exchanger pipe splicing |
| CN107263008A (en) * | 2017-08-07 | 2017-10-20 | 重庆格机械制造有限公司 | Automobile steering supporting welder |
| CN107234400A (en) * | 2017-08-08 | 2017-10-10 | 重庆格机械制造有限公司 | Turn to the weld jig of support |
| CN107234400B (en) * | 2017-08-08 | 2019-01-29 | 重庆格一机械制造有限公司 | Turn to the welding fixture of support |
| CN113732609A (en) * | 2021-08-27 | 2021-12-03 | 航天海鹰(哈尔滨)钛业有限公司 | Stepped annular part high-precision butt-joint ring welding inner support tool and design method and welding method thereof |
| CN113732609B (en) * | 2021-08-27 | 2024-06-07 | 航天海鹰(哈尔滨)钛业有限公司 | High-precision butt-joint ring welding inner support tool for stepped annular parts and welding method of high-precision butt-joint ring welding inner support tool |
| CN114178778A (en) * | 2021-11-25 | 2022-03-15 | 贵州枫叶管业有限公司 | Pipe sleeve mounting equipment at two ends of water supply pipe of steel wire framework |
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Application publication date: 20131016 |