CN104961076A - Lifting and centering device for large diameter pipeline - Google Patents
Lifting and centering device for large diameter pipeline Download PDFInfo
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- CN104961076A CN104961076A CN201510411347.XA CN201510411347A CN104961076A CN 104961076 A CN104961076 A CN 104961076A CN 201510411347 A CN201510411347 A CN 201510411347A CN 104961076 A CN104961076 A CN 104961076A
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- Prior art keywords
- lifting
- pipeline
- stationary magazine
- large diameter
- magazine creel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a lifting and centering device for a large diameter pipeline. The lifting and centering device for the large diameter pipeline comprises multiple lifting and centering units which are arranged side by side, each lifting and centering unit comprises a carrier roller and a carrier roller support, each carrier roller is installed on the corresponding carrier roller support, the carrier roller supports are fixed on a connecting cover, the lower surface of the connecting cover is connected with lifting rods and a spiral elevator, the other ends of the lifting rods are located inside a fixed cylinder which is fixed on a support, and the spiral elevator is also fixed on the support; the fixed cylinder is filled with hydraulic oil, the lower portion of the fixed cylinder is provided with an oil pipe connector, and the fixed cylinder is communicated with a hydraulic oil pipeline through the oil pipe connector; the spiral elevator is connected with a servo motor. According to the lifting and centering device for the large diameter pipeline, by controlling the rotation of the servo motor, the lifting height of the spiral elevator can be controlled, and the centers of the pipelines with different pipe diameters can reach pressure testing center accurately; after the pipeline is filled with pressure test media, the lifting rods mainly bear the weight of the pipeline and the pressure test media, the raising tonnage of the spiral elevator is greatly reduced, the support device is simpler, the manufacturing cost is lower, and the maintenance is convenient.
Description
Technical field
The invention belongs to high pressure water pressure test machine equipment field, particularly a kind of large diameter pipeline lifting aligning gear, be applicable to the high pressure water pressure test machine lifting centering of pipe diameter wide variation.
Background technology
In recent years along with fast development economic both at home and abroad, energy demand sharp increase, international, domestic all in the dynamics strengthening recover petroleum, natural fuels.Pipe-line obtains develop rapidly as a kind of economy of oil and natural gas, long distance delivery instrument safely, uninterruptedly.In oil and gas pipes production process, water test is indispensable operation, and the pipeline not through hydraulic pressure test can not dispatch from the factory to be applied to actual oil-gas transportation engineering.Therefore, pipeline length, caliber size all must carry out hydraulic pressure test according to the requirement of API.
Current, pipe production enterprise, in order to improve the degree of utilization of equipment, requires that same set of high pressure water pressure test machine can both carry out water test to the pipeline of different tube diameters.Along with large diameter pipeline (caliber reaches 2540mm) application is more and more general, traditional high pressure water pressure test machine lifting aligning gear is difficult to realize covering from small-bore to 2540mm bigbore precision lift centering like this.
Lifting aligning gear can make the pipeline center of different tube diameters accurately arrive equipment pressure testing center, therefore the variation range of caliber is larger, it is larger that lifting accurately controls difficulty, tradition lifting aligning gear realizes adjustable height location by the proximity switch arranging some, required proximity switch quantity is extremely many, control complicated, and precision is not high; Caliber variation range directly affects the adjustable height of high pressure water pressure test machine lifting center support system, and tube support arrangement is also more complicated; The more important thing is, during bigbore hydraulic test of pipeline, pipeline is full of test medium, weight is greatly (for caliber 2540mm, wall thickness 20mm, length 24m, when not filling test medium, own wt is about 30 tons, after being full of test medium, weight is up to 120 tons), require greatly to improve to the weight capacity of tube support arrangement, tradition lifting center support system is difficult to meet.
Summary of the invention
The object of the invention is to overcome tradition lifting aligning gear control complexity, precision is not high, and be difficult to the problem of weight when meeting bigbore hydraulic test of pipeline, the lifting aligning gear that a kind of structure is simple, control is convenient, reliability is high, cost is low is provided.
For this reason, the invention provides a kind of large diameter pipeline lifting aligning gear, comprise the lifting centering unit with carrying roller of multiple arranged in parallel, multiple carrying roller arranged in parallel is in order to lay pipeline, described lifting centering unit comprises carrying roller and roller rack, carrying roller is arranged on roller rack, roller rack is fixed on connection cover, connection cover lower surface is connected with two lifting bars and a spiral lift, and two lifting bars are symmetrically distributed in spiral lift both sides, the other end of two lifting bars lays respectively at two stationary magazine creel inside, stationary magazine creel is fixed on support, described spiral lift is also fixed on support,
Described stationary magazine creel is built with hydraulic oil, and stationary magazine creel bottom has oil connector, and stationary magazine creel is communicated with hydraulic fluid pipeline by oil connector; Described spiral lift connects servomotor.
Be provided with orienting sleeve in described stationary magazine creel, lifting bar penetrates orienting sleeve, and gland is installed in stationary magazine creel upper end, and stationary magazine creel inside is fixed in the lower end of orienting sleeve, and upper end props up gland.
One end afterbody that described lifting bar is positioned at stationary magazine creel inside is provided with seal groove, and seal groove is built with combination sealing packing ring.
Described roller rack comprises two vertical side plates established relatively, and two side plates are provided with equal bearing, and carrying roller is horizontally disposed with, and its two ends are installed in the bearing on side plate.
Described carrying roller is V-type carrying roller.
Beneficial effect of the present invention: this large diameter pipeline lifting aligning gear of the present invention, realize controlling bolt elevator adjustable height by the rotation controlling servomotor, the pipeline center realizing different tube diameters accurately reaches pressure testing center; Meanwhile, after pipeline is full of test medium, bear pipeline weight and test medium weight primarily of lifting bar, greatly reduce the lifting tonnage of spiral lift, spiral lift only needs to overcome self weight of pipeline, make bracing or strutting arrangement more simple, cost is lower, is convenient to safeguard.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is overall structure distribution graph of the present invention.
Fig. 2 is the structural representation of lifting centering unit.
Fig. 3 is the contrast schematic diagram of different tube diameters adjustable height.
Description of reference numerals: 1, carrying roller; 2, roller rack; 3, connection cover; 4, side plate; 5, lifting bar; 6, gland; 7, orienting sleeve; 8, combination sealing packing ring; 9, stationary magazine creel; 10, oil connector; 11, support; 12, spiral lift; 13, servomotor.
Detailed description of the invention
Embodiment 1:
The present embodiment provides a kind of large diameter pipeline to be elevated aligning gear, and as depicted in figs. 1 and 2, comprise the lifting centering unit with carrying roller 1 of multiple arranged in parallel, multiple carrying roller 1 arranged in parallel is in order to lay pipeline, and carrying roller 1 is V-type carrying roller.
Lifting centering unit comprises carrying roller 1 and roller rack 2, carrying roller 1 is arranged on roller rack 2, roller rack 2 is fixed on connection cover 3, connection cover 3 lower surface has been connected by screw two lifting bars 5, be threaded connection a spiral lift 12, and two lifting bars 5 are symmetrically distributed in spiral lift 12 both sides, the other end of two lifting bars 5 lays respectively at two stationary magazine creels 9 inside, stationary magazine creel 9 is fixed on support 11 by screw, and spiral lift 12 is also fixed on support 11.
Stationary magazine creel 9 is built with hydraulic oil, and stationary magazine creel 9 bottom has oil connector 10, and stationary magazine creel 9 is communicated with hydraulic fluid pipeline by oil connector 10, mainly for delivery of with Ethylene recov force feed; Described spiral lift 12 connects servomotor 13.
See Fig. 2, after the pipeline of a certain diameter enters into jacking system, the carrying roller 1 of some is held, first, can calculate according to pipe diameter the height that elevator should be elevated, then, rotate certain revolution by servomotor 13, make spiral lift 12 drive pipeline to be elevated the theoretical level calculated, and then pipeline reach pressure testing center; In the process, the hydraulic oil of hydraulic fluid pipeline enters stationary magazine creel 9 inside by oil connector 10 under the effect of lifting bar 5 self-priming.After pipeline arrives pressure testing center, stationary magazine creel 9 inside is filled with hydraulic oil, and now, close oil connector 10, hydraulic oil cannot pass in and out; Be full of in test medium pressure testing process at pipeline, the weight of test medium and pipeline is all born by the lifting bar 5 of both sides, due to bottom lifting bar 5 for hydraulic oil cannot decline, ensure that pipeline is in pressure testing center in pressure testing process, and pressure testing process inputs energy without the need to the external world, greatly reduces system power dissipation.After pressure testing terminates, open oil connector 10, hydraulic oil flows out from stationary magazine creel 9 inside, and servomotor 13 reverses, and drive spiral lift 12 to decline, carrying roller 1 returns initial position, waits for the pressure testing of next root pipeline.
As shown in Figure 3, no matter variation range is much for next root pipe diameter, accurately can control the adjustable height of carrying roller 1, ensure that pipeline center is in pressure testing center, have the remarkable advantages such as control accuracy is high, structure is simple, cost is low, easy to maintenance according to pipe diameter size.
Embodiment 2:
On the basis of embodiment 1, in the present embodiment, be provided with orienting sleeve 7 in stationary magazine creel 9, lifting bar 5 penetrates orienting sleeve 7, and gland 6 is installed in stationary magazine creel 9 upper end, and stationary magazine creel 9 inside is fixed in the lower end of orienting sleeve 7, and upper end props up gland 6.
Orienting sleeve 7 is for the guiding of lifting bar 5, and gland 6 is pressed in orienting sleeve 7 top by screw, prevents orienting sleeve from moving axially.
One end afterbody that lifting bar 5 is positioned at stationary magazine creel 9 inside is provided with seal groove, and seal groove is built with combination sealing packing ring 8.Combination sealing packing ring 8 in seal groove, can prevent the leakage of hydraulic oil in stationary magazine creel 9, combination sealing packing ring 8 can with lifting bar 5 together lifting moving.
In the present embodiment, roller rack 2 comprise two vertical relatively and side plate 4, two side plates 4 established are provided with equal bearing, carrying roller 1 is horizontally disposed with, and its two ends are installed in the bearing on side plate 4, such setting, make carrying roller 1 rotatable, facilitate the placement of pipeline and move.
Further, the present invention can arrange a control system, according to the caliber of pipeline, directly calculates the height that elevator should be elevated, then rotate to carry out spiral lift 12 and to rise specified altitude assignment by controlling servomotor 13, and then pipeline reaches pressure testing center.Control herein realizes by simple control circuit, is prior art, does not elaborate at this.The lifting of this automatically controlled height, control accuracy is higher, and the pipeline center of different tube diameters can be made to arrive equipment pressure testing center accurately.
In sum, this large diameter pipeline lifting aligning gear of the present invention, realize controlling bolt elevator adjustable height by the rotation controlling servomotor, the pipeline center realizing different tube diameters accurately reaches pressure testing center; Meanwhile, after pipeline is full of test medium, bear pipeline weight and test medium weight primarily of lifting bar, greatly reduce the lifting tonnage of spiral lift, spiral lift only needs to overcome self weight of pipeline, make bracing or strutting arrangement more simple, cost is lower, is convenient to safeguard.
More than exemplifying is only to casehistory of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (5)
1. a large diameter pipeline lifting aligning gear, comprise the lifting centering unit with carrying roller (1) of multiple arranged in parallel, multiple carrying roller (1) arranged in parallel is in order to lay pipeline, it is characterized in that: described lifting centering unit comprises carrying roller (1) and roller rack (2), carrying roller (1) is arranged on roller rack (2), roller rack (2) is fixed on connection cover (3), connection cover (3) lower surface is connected with two lifting bars (5) and a spiral lift (12), and two lifting bars (5) are symmetrically distributed in spiral lift (12) both sides, the other end of two lifting bars (5) lays respectively at two stationary magazine creels (9) inside, stationary magazine creel (9) is fixed on support (11), described spiral lift (12) is also fixed on support (11),
Described stationary magazine creel (9) is built with hydraulic oil, and stationary magazine creel (9) bottom has oil connector (10), and stationary magazine creel (9) is communicated with hydraulic fluid pipeline by oil connector (10); Described spiral lift (12) connects servomotor (13).
2. large diameter pipeline lifting aligning gear as claimed in claim 1, it is characterized in that: in described stationary magazine creel (9), be provided with orienting sleeve (7), lifting bar (5) penetrates orienting sleeve (7), gland (6) is installed in stationary magazine creel (9) upper end, stationary magazine creel (9) inside is fixed in the lower end of orienting sleeve (7), and upper end props up gland (6).
3. large diameter pipeline lifting aligning gear as claimed in claim 1 or 2, is characterized in that: one end afterbody that described lifting bar (5) is positioned at stationary magazine creel (9) inner is provided with seal groove, and seal groove is built with combination sealing packing ring (8).
4. large diameter pipeline lifting aligning gear as claimed in claim 1, it is characterized in that: described roller rack (2) comprises two vertical side plates (4) established relatively, two side plates (4) are provided with equal bearing, carrying roller (1) is horizontally disposed with, and its two ends are installed in the bearing on side plate (4).
5. the large diameter pipeline lifting aligning gear as described in claim 1 or 4, is characterized in that: described carrying roller (1) is V-type carrying roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411347.XA CN104961076B (en) | 2015-07-14 | 2015-07-14 | A kind of large diameter pipeline lifts centralising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411347.XA CN104961076B (en) | 2015-07-14 | 2015-07-14 | A kind of large diameter pipeline lifts centralising device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104961076A true CN104961076A (en) | 2015-10-07 |
| CN104961076B CN104961076B (en) | 2017-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510411347.XA Active CN104961076B (en) | 2015-07-14 | 2015-07-14 | A kind of large diameter pipeline lifts centralising device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2705954A1 (en) * | 1993-06-04 | 1994-12-09 | Sefac Equipement | Lifting assembly and device for managing the operation of an association of unitary lifting elements, especially for vehicles |
| CN201087112Y (en) * | 2007-05-23 | 2008-07-16 | 天水锻压机床有限公司 | Steel pipe lifting device |
| CN102518624A (en) * | 2011-12-29 | 2012-06-27 | 天水锻压机床(集团)有限公司 | Pressure-maintaining and pressure-relieving control system for large-tonnage cylinder of steel-tube finishing straightening machine |
| CN104209771A (en) * | 2014-08-29 | 2014-12-17 | 德清丁氏机械设备安装有限公司 | Mobile lifting platform |
| CN104440362A (en) * | 2014-11-19 | 2015-03-25 | 天水锻压机床(集团)有限公司 | Steel pipe end alignment system and method |
| CN204264816U (en) * | 2014-11-19 | 2015-04-15 | 天水锻压机床(集团)有限公司 | A kind of lifting-transverse shifting rollgang |
| CN204778696U (en) * | 2015-07-14 | 2015-11-18 | 中国重型机械研究院股份公司 | Large diameter pipeline lift centering device |
-
2015
- 2015-07-14 CN CN201510411347.XA patent/CN104961076B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2705954A1 (en) * | 1993-06-04 | 1994-12-09 | Sefac Equipement | Lifting assembly and device for managing the operation of an association of unitary lifting elements, especially for vehicles |
| CN201087112Y (en) * | 2007-05-23 | 2008-07-16 | 天水锻压机床有限公司 | Steel pipe lifting device |
| CN102518624A (en) * | 2011-12-29 | 2012-06-27 | 天水锻压机床(集团)有限公司 | Pressure-maintaining and pressure-relieving control system for large-tonnage cylinder of steel-tube finishing straightening machine |
| CN104209771A (en) * | 2014-08-29 | 2014-12-17 | 德清丁氏机械设备安装有限公司 | Mobile lifting platform |
| CN104440362A (en) * | 2014-11-19 | 2015-03-25 | 天水锻压机床(集团)有限公司 | Steel pipe end alignment system and method |
| CN204264816U (en) * | 2014-11-19 | 2015-04-15 | 天水锻压机床(集团)有限公司 | A kind of lifting-transverse shifting rollgang |
| CN204778696U (en) * | 2015-07-14 | 2015-11-18 | 中国重型机械研究院股份公司 | Large diameter pipeline lift centering device |
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| CN104961076B (en) | 2017-07-04 |
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