CN102730549A - Pipeline clamping tool and pipeline lifting method - Google Patents
Pipeline clamping tool and pipeline lifting method Download PDFInfo
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- CN102730549A CN102730549A CN2012102108609A CN201210210860A CN102730549A CN 102730549 A CN102730549 A CN 102730549A CN 2012102108609 A CN2012102108609 A CN 2012102108609A CN 201210210860 A CN201210210860 A CN 201210210860A CN 102730549 A CN102730549 A CN 102730549A
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Abstract
The invention provides a pipeline clamping tool and a pipeline lifting method. the pipeline clamping tool comprises a pedestal, a clamping part of the clamping pipeline which is hinged on the pedestal by a hinge shaft; a first hydraulic cylinder which drives the rotation of the clamping part and is arranged on the pedestal and is connected to the clamping part; and a locking part which is used for locking the clamping part and is arranged on the pedestal in a movable mode. The invention also provides a pipeline lifting method, the pipeline lifting method comprises the following steps: driving the rotation of the clamping part by the first hydraulic cylinder and clamping the pipeline, then driving the locking part, preventing the rotation of the clamping part, and then lifting the pipeline and stopping the oil supply on the first hydraulic cylinder during the lifting process.
Description
Technical field
The present invention relates to a kind of pipeline clamping device and pipeline method for improving, this pipeline clamping device and pipeline method for improving are applied to carrying on the pipe support in the deep underwater pipes emergency maintenance equipment, and its radical function is clamping seabed pipeline to be keeped in repair, so that carry the pipe support riser tubing.
Background technology
Deep water oil development at present is in the starting stage, also is being like this aspect the deep water emergency maintenance.Deep water has the environment of high pressure, low temperature, considers the influence of factors such as the depth of water, line size, line pressure and soil conditions, will be above previous industry standard to the performance requriements of these docking facilitys.These performance requriementss comprise the gripping mechanism that is applicable to multiple caliber, hydraulic packing joint pipeline reclaim instrument (RPT), chuck adaptor union, gantry sled, carry pipe support (PLF) and vertical jumper spool (VJS).Therefore, these parts need the effort in more design and the manufacturing.Under-water robot (ROV) and other equipment is to destroying the maintenance of pipeline section for ease, and pipeline is lifted from sea bed is necessary with carrying pipe support.Promote different pipelines, different height, required hoisting force is different, and corresponding holding device should adapt to this variation, and at present, existing holding device is unstable to the clamping of pipeline.In addition, in the process of whole clamping pipeline, fully control the complexity that clamping process can increase hydraulic efficiency pressure system, reduce the life-span of hydraulic efficiency pressure system by hydraulic coupling.And then because the complexity of hydraulic efficiency pressure system and deepwater environment is abominable, appearance causes the problem of clamping pipeline procedure failure owing to hydraulic system fault easily.
Summary of the invention
The present invention provides a kind of pipeline clamping device and pipeline method for improving, and is unstable to the clamping of pipeline to solve existing holding device.In addition, the present invention can also solve in the process of whole clamping pipeline, fully controls the complexity that clamping process can increase hydraulic efficiency pressure system by hydraulic coupling, reduces the problem in the life-span of hydraulic efficiency pressure system.And then the present invention can also solve because the problem that causes the clamping pipeline operations to be failed owing to hydraulic system fault appears in the complexity of hydraulic efficiency pressure system and deepwater environment abominable easily.
For this reason, the present invention proposes a kind of pipeline clamping device, and said pipeline clamping device comprises: pedestal; The holding part of clamping pipeline is hinged on the said pedestal through hinge; Drive first hydraulic actuating cylinder that said holding part rotates, be arranged on the said pedestal and and be connected with said holding part; Tight lock part to said holding part locking movably is arranged on the said pedestal.
Further; Said pedestal comprises: parallel leading flank and trailing flank, and the respectively left surface and the right flank of vertical said leading flank and trailing flank, shown in left surface and right flank crossing with top surface inclination respectively; The number of said first hydraulic actuating cylinder is two; Be symmetricly set on the right side of said left surface left side and said right flank, said first hydraulic actuating cylinder is hinged on the said pedestal, and each said first hydraulic actuating cylinder connects a said holding part.
Further, said pipeline clamping device also comprises second hydraulic actuating cylinder that drives said tight lock part, and said second hydraulic actuating cylinder is arranged on the said pedestal and with said tight lock part and is connected.
Further, said tight lock part is a slide block, and said pedestal is provided with and holds the chute that said slide block slides.
Further, said holding part is a pair of clamp, and said pedestal and said clamp form the grasping part in grip tube road; Said clamp is provided with the screens portion that locks with said slide block,, said screens portion has the stressed place of vertical said chute length direction; Be positioned at locked position at said slide block; Said slide block is spacing to said screens portion, and said slide block applies the clamping force that stops said clamp to rotate, the vertical said chute length direction of said clamping force to said stressed place.
Further, said hinge is positioned on the extended line of said chute, and said screens portion is block or draw-in groove.
Further, the number of said chute is four, and said chute is separately positioned on said leading flank and the trailing flank, and each side is provided with two symmetrical chutes.
Further, the thrust of said first hydraulic actuating cylinder and stroke are greater than the thrust output and the stroke of said second hydraulic actuating cylinder.
Further, be provided with in the said chute and said slide block bonded assembly spring, said spring is positioned at the said hinge of a said chute middle distance end far away.
Further; Said clamp has the circular arc gripper jaw, and the leading flank of said pedestal and trailing flank all have the arc gripper edge, and said grasping part is formed by said circular arc gripper jaw and said arc gripper edge; Wherein, said arc gripper edge is positioned at the top of said grasping part.
Further; The present invention also provides a kind of pipeline method for improving; Said pipeline method for improving comprises: rotate and clamping pipe with the first Driven by Hydraulic Cylinder holding part; Drive tight lock part then, stop said holding part to rotate, promote said pipeline then and in lifting, stop the said first hydraulic actuating cylinder fuel feeding.
Pipeline clamping device of the present invention with the holding part clamping pipe after, tight lock part moves, and locks said holding part, stop said holding part to rotate, thereby pipeline is able to by stable holding.And drive first hydraulic actuating cylinder that said holding part rotates after holding part is locked; Need not the holding part application of force, in the pipeline lifting process, hoisting force is delivered on the pedestal again; And hydraulic actuating cylinder is stressed hardly; So still can satisfy the clamp position of holding part stable holding pipeline, both realized the function of clamping device, alleviated the burden of hydraulic efficiency pressure system again.
The present invention can solve in the process of whole clamping pipeline; Fully control the complexity that clamping process can increase hydraulic efficiency pressure system by hydraulic coupling; Hydraulic system fault reduces the problem in the life-span of hydraulic efficiency pressure system, even because can not cause the failure of clamping pipeline operations yet.
This clamping device symmetrical configuration, stressed even, compact conformation, volume is little, and it is little influenced by external force, helps deepwater work.
Description of drawings
Fig. 1 is the perspective view according to the pipeline clamping device of the embodiment of the invention;
Fig. 2 is the main TV structure scheme drawing according to the pipeline clamping device of the embodiment of the invention, wherein, shows second hydraulic actuating cylinder;
Fig. 3 is the main TV structure scheme drawing according to the pipeline clamping device of the embodiment of the invention, wherein, is not provided with spring in the chute, and has removed second hydraulic actuating cylinder;
Fig. 4 is the main TV structure scheme drawing according to the pipeline clamping device of the embodiment of the invention, wherein, is provided with spring in the chute, and has removed small cylinder;
Fig. 5 shows the open configuration according to the pipeline clamping device of the embodiment of the invention;
Fig. 6 shows the clamped condition according to the pipeline clamping device of the embodiment of the invention;
Fig. 7 shows the principle of work diagram of circuit according to the pipeline clamping device of the embodiment of the invention.
The drawing reference numeral explanation:
1: pedestal 10: leading flank 12: left surface 14: right flank 16: trailing flank 15: arc gripper edge 3: 31: the first hydraulic actuating cylinders 33 of holding part: hinge 35: circular arc gripper jaw 37: screens portion 371: stressed place 39: adapter shaft 5: slide block 50: 51: the second hydraulic actuating cylinders 6 of chute: spring 7: pipeline
The specific embodiment
To understand in order technical characterictic of the present invention, purpose and effect being had more clearly, to contrast the description of drawings specific embodiment of the present invention at present.
, comprise to shown in Figure 2 like Fig. 1: the holding part 3 of pedestal 1, clamping pipeline, drive first hydraulic actuating cylinder 31 that said holding part rotates and the tight lock part of said holding part locking according to the pipeline clamping device of the embodiment of the invention.
Further; As shown in Figure 1, said pedestal 1 comprises: parallel leading flank 10 and trailing flank 16, and the left surface 12 and right flank 14 of vertical said leading flank of difference and trailing flank; The number of said first hydraulic actuating cylinder 31 is two; Be symmetricly set on the right side of said left surface 12 left sides and said right flank 14, said first hydraulic actuating cylinder 31 is hinged on the said pedestal 1, and each said first hydraulic actuating cylinder connects a said holding part.Left surface 12 tilts to intersect with end face 18 respectively with right flank 14; So that be that first hydraulic actuating cylinder 31 is connected slot milling through adapter shaft 39 with holding part 3; Left surface 12 intersects vertically with end face 18 respectively with right flank 14 else if; Then can make the whole pipe clamping device bulky, and be unfavorable for promoting holding part 3.
Further; Said pipeline clamping device also comprises second hydraulic actuating cylinder 51 that drives said tight lock part; Said second hydraulic actuating cylinder 51 is arranged on the said pedestal 1 and with said slide block 5 and is connected, can smooth drive through second hydraulic actuating cylinder 51, can apply the required thrust of locking.
Further, to shown in Figure 3, holding part 3 can own clamping pipeline, also can cooperate common clamping pipeline with pedestal 1 like Fig. 1.Said clamp has circular arc gripper jaw 35; The leading flank of said pedestal and trailing flank all have arc gripper edge 15; Preferable, the present invention adopts said grasping part to be formed with said arc gripper edge 15 by said circular arc gripper jaw 35, like this; Can make full use of the mechanism of pedestal, can make pedestal bear more Clamping force.Wherein, said arc gripper edge 15 is positioned at the top of said grasping part, so that pipeline is come in and gone out from the bottom.Said holding part is a pair of clamp, and said pedestal 1 and said clamp form the grasping part in grip tube road.
Said clamp is provided with the screens portion 37 that locks with said slide block; As shown in Figure 5; Said screens portion 37 has the stressed place 371 of vertical said chute 5 length directions, is positioned at locked position at said slide block 5, and the said screens of 5 pairs of said slide blocks portion 37 is spacing; 5 pairs of said stressed places 471 of said slide block apply the clamping force that stops said clamp to rotate, vertical said chute 5 length directions of said clamping force.
As shown in Figure 6, stressed place 371 can be for bearing surface or stressed stupefied or stress point, and preferable, the present invention adopts stressed place 371 to be bearing surface, stability under loading, and stressed dispersion like this.Be positioned at locked position at said slide block 5; Main stressed of clamp is the bearing force F2 at pipeline 7 applied pressure F1,5 pairs of stressed places 371 of slide block and the bearing force N of 33 pairs of clamps of hinge; In addition, above-mentioned relatively each power of the gravity of clamp itself can be ignored, therefore; For the ease of analyzing, the gravity of clamp itself no longer counts consideration.In pressure F1, bearing force F2 and bearing force N; Bearing force N is directed to pedestal and provides; The pressure F1 of pipeline passes on the pedestal, provides through pedestal, and bearing force F2 derives from the dragging track face along its length of chute 50; The length direction of the vertical chute 50 of the direction of bearing force F2 that is to say that bearing force F2 also provides through pedestal.After locking, suffered pressure F1, bearing force (coupling mechanism force) F2 and the bearing force N of clamp is directly or indirectly from pedestal, with first hydraulic actuating cylinder 31 and second hydraulic actuating cylinder 51, no longer includes relation.With first hydraulic actuating cylinder 31 and second hydraulic actuating cylinder 51 just in driving the process clamp clamping pipe and that promote slide block locking, applied thrust, wait locking to accomplish after; Just no longer need be from the thrust of first hydraulic actuating cylinder 31 and second hydraulic actuating cylinder 51, so, after the locking; Stop can not influencing locking, the problem that clamp is decontroled can not occur second hydraulic actuating cylinder, 51 fuel feeding; Because the power F2 of locking is from chute 50 dragging track faces, but not from second hydraulic actuating cylinder 51; After the locking, stop, the problem that clamp is decontroled can not occurring first hydraulic actuating cylinder, 31 fuel feeding.
As shown in Figure 3, further, said hinge 33 is positioned on the extended line of said chute 50, like this, can guarantee when second hydraulic actuating cylinder 51 promotes slide blocks 5 and pushes against on clamp, and the moment of torsion of second hydraulic actuating cylinder 51 that clamp is suffered is less or be zero, keeps stable.Said screens portion 37 is block or draw-in groove, and block or draw-in groove can both have the bearing surface that cooperates screens with slide block 5.What the present invention adopted in an embodiment is block.
Further, the number of said chute 50 is four, and said first hydraulic actuating cylinder 31 also is four, and said chute is separately positioned on said leading flank and the trailing flank, and each side is provided with two symmetrical chutes.Like this, can disperse bearing force (coupling mechanism force) F2, alleviate the stressed of single chute.
Further, the thrust of said first hydraulic actuating cylinder 31 and stroke are greater than the thrust output and the stroke of said second hydraulic actuating cylinder 51.That is to say that first hydraulic actuating cylinder 31 is big hydraulic actuating cylinder, second hydraulic actuating cylinder 51 is a small cylinder, like this, can rationally cooperate clamping and locking.
Further, as shown in Figure 4, the invention provides the better locking mechanism of another kind of locking effect.Structure main difference among this structure and Fig. 3 is: be provided with in the said chute 50 and said slide block 5 bonded assembly springs 6, said spring 6 is positioned at the said hinge of said chute 50 middle distances 33 end far away.For example, among Fig. 4, spring 6 is between the top and slide block 5 of chute, and spring 6 is generally pressure spring, also can be tension spring under some situation.Spring 6 one ends are fixed on the top of chute, and spring 6 other ends are fixed on the slide block 5, elsewhere; Identical with the example structure of Fig. 3; For example, slide block 5 still is connected with second hydraulic actuating cylinder 51, and second hydraulic actuating cylinder 51 still can driving sliding block 5 slide; Just, second hydraulic actuating cylinder 51 is not shown for the convenience of view.
This locking mechanism with spring can store the part thrust and the function with buffering answer of second hydraulic actuating cylinder 51, can regulate coupling mechanism force F2.The more important thing is; When required F2 was big, chute 50 or slide block 5 might produce distortion, at this moment; Depending the original coupling mechanism force F2 that is provided by chute alone is difficult under the situation of chute distortion, all coupling mechanism forces are provided; The appearance of spring 6 then provides the scheme that overcomes this problem, and spring 6 can also provide along the pressure of the length direction of chute 50 or pulling force, more helps locking.Also have, slide block 5 is owing to being connected with spring 6, even second hydraulic actuating cylinder 51 breaks down or ruptures; Need not second hydraulic actuating cylinder, 51 applied thrusts, slide block 5 can receive the pulling force or the pressure of spring 6, thereby can normally slide into locked position; Block screens portion 37, realize locking, thereby; Spring 6 can also realize driving the function that slip reaches locked position separately in some cases.
Further; The present invention also provides a kind of pipeline method for improving, and said pipeline method for improving comprises: drive holding part 3 with first hydraulic actuating cylinder 31 and rotate and clamping pipe 7, drive tight lock part then; Stop said holding part 3 to rotate; Promote said pipeline then and in lifting, stop the said first hydraulic actuating cylinder fuel feeding, like this, first hydraulic actuating cylinder is the stressed hardly burden that alleviates hydraulic efficiency pressure system in lifting.
As shown in Figure 7, working process of the present invention is following: at first (with big hydraulic actuating cylinder (first hydraulic actuating cylinder 31) retraction) guarantees that clamp is in open mode → close up clamp (claw) clamping pipe 7 → tighten screens portions 37 with small cylinder (second hydraulic actuating cylinder 51) promotion slide block 5 with big hydraulic actuating cylinder (first hydraulic actuating cylinder 31).When pipeline being promoted behind the chucking, institute is stressed passes to slide block 5 by clamp (claw) and pass to pedestal 1 again for it, so each hydraulic actuating cylinder does not receive the influence of thrust or pulling force again.
The scope in holder's prodigiosin grip tube of the present invention road is 200mm-305mm (8 inches-12 inches).If adapt to the pipeline clamping of more size, only need pedestal and clamp are changed slightly.
The present invention has the following advantages: 1, this clamping device symmetrical configuration is stressed even.2, this clamping device is when clamping pipe, and clamped condition is pinned in the gripping mechanism action; In the pipeline lifting process, hoisting force is delivered on the pedestal, and hydraulic actuating cylinder is stressed hardly.Promptly realize the function of clamping device, alleviated the burden of hydraulic efficiency pressure system again.
The above is merely the schematic specific embodiment of the present invention, is not in order to limit scope of the present invention.For each component part of the present invention can make up under the condition of not conflicting each other, any those skilled in the art, equivalent variations of under the prerequisite that does not break away from design of the present invention and principle, having done and modification all should belong to the scope that the present invention protects.
Claims (10)
1. a pipeline clamping device is characterized in that, said pipeline clamping device comprises:
Pedestal;
The holding part of clamping pipeline is hinged on the said pedestal through hinge;
Drive first hydraulic actuating cylinder that said holding part rotates, be arranged on the said pedestal and and be connected with said holding part;
Tight lock part to said holding part locking movably is arranged on the said pedestal, and at locked position, said tight lock part is locked said holding part, stops said holding part to rotate.
2. pipeline clamping device as claimed in claim 1; It is characterized in that; Said pedestal comprises: parallel leading flank and trailing flank, and the respectively left surface and the right flank of vertical said leading flank and trailing flank, shown in left surface and right flank crossing with top surface inclination respectively; The number of said first hydraulic actuating cylinder is two; Be symmetricly set on the right side of said left surface left side and said right flank, said first hydraulic actuating cylinder is hinged on the said pedestal, and each said first hydraulic actuating cylinder connects a said holding part.
3. pipeline clamping device as claimed in claim 1 is characterized in that, said pipeline clamping device also comprises second hydraulic actuating cylinder that drives said tight lock part, and said second hydraulic actuating cylinder is arranged on the said pedestal and with said tight lock part and is connected.
4. pipeline clamping device as claimed in claim 2 is characterized in that, said tight lock part is a slide block, and said pedestal is provided with and holds the chute that said slide block slides.
5. pipeline clamping device as claimed in claim 4; It is characterized in that said holding part is a pair of clamp, said pedestal and said clamp form the grasping part in grip tube road; Said clamp is provided with the screens portion that locks with said slide block; Said screens portion has the stressed place of vertical said chute length direction, is positioned at locked position at said slide block, and said slide block is spacing to said screens portion; Said slide block applies the clamping force that stops said clamp to rotate, the vertical said chute length direction of said clamping force to said stressed place.
6. pipeline clamping device as claimed in claim 4; It is characterized in that; Said hinge is positioned on the extended line of said chute, and said screens portion is block or draw-in groove, and the number of said chute is four; Said chute is separately positioned on said leading flank and the trailing flank, and each side is provided with two symmetrical chutes.
7. pipeline clamping device as claimed in claim 3 is characterized in that, the thrust of said first hydraulic actuating cylinder and stroke are greater than the thrust output and the stroke of said second hydraulic actuating cylinder.
8. pipeline clamping device as claimed in claim 4 is characterized in that, is provided with in the said chute and said slide block bonded assembly spring, and said spring is positioned at the said hinge of a said chute middle distance end far away.
9. pipeline clamping device as claimed in claim 5; It is characterized in that; Said clamp has the circular arc gripper jaw, and the leading flank of said pedestal and trailing flank all have the arc gripper edge, and said grasping part is formed by said circular arc gripper jaw and said arc gripper edge; Wherein, said arc gripper edge is positioned at the top of said grasping part.
10. pipeline method for improving; It is characterized in that said pipeline method for improving comprises: rotate and clamping pipe with the first Driven by Hydraulic Cylinder holding part, drive tight lock part then; Stop said holding part to rotate, promote said pipeline then and in lifting, stop the said first hydraulic actuating cylinder fuel feeding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102108609A CN102730549A (en) | 2012-06-20 | 2012-06-20 | Pipeline clamping tool and pipeline lifting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102108609A CN102730549A (en) | 2012-06-20 | 2012-06-20 | Pipeline clamping tool and pipeline lifting method |
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| CN102730549A true CN102730549A (en) | 2012-10-17 |
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| CN2012102108609A Pending CN102730549A (en) | 2012-06-20 | 2012-06-20 | Pipeline clamping tool and pipeline lifting method |
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| CN103112389A (en) * | 2013-03-04 | 2013-05-22 | 北京南车时代机车车辆机械有限公司 | Pipe fixture and pipe-conveying machine |
| CN103707223A (en) * | 2014-01-07 | 2014-04-09 | 中国海洋石油总公司 | Pipeline suspension fixture |
| CN103706651A (en) * | 2013-12-20 | 2014-04-09 | 河北宏润重工股份有限公司 | Steel pipe turnover mechanism |
| CN103879930A (en) * | 2014-03-31 | 2014-06-25 | 成都振中电气有限公司 | Clamping mechanism of electrical pipeline lift |
| CN104528022A (en) * | 2014-12-16 | 2015-04-22 | 登封市启明轩程控设备有限公司 | Fine dried noodle packaging machine packaging part locking device |
| CN104653864A (en) * | 2015-01-22 | 2015-05-27 | 哈尔滨工程大学 | Stone falling pipe stone dumping device for treating suspended spanning of submarine pipeline |
| CN105366537A (en) * | 2015-11-17 | 2016-03-02 | 盐城苏工高科机械有限公司 | Hydraulic clamping jaw of heavy type lifting device |
| CN105673665A (en) * | 2014-11-19 | 2016-06-15 | 中国航空工业集团公司西安飞机设计研究所 | Hook type device capable of being locked when bearing force and separated when losing force |
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| CN103112389B (en) * | 2013-03-04 | 2015-07-08 | 北京南车时代机车车辆机械有限公司 | Pipe fixture and pipe-conveying machine |
| CN103706651A (en) * | 2013-12-20 | 2014-04-09 | 河北宏润重工股份有限公司 | Steel pipe turnover mechanism |
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Application publication date: 20121017 |