CN104890824B - A kind of jacket launching barge rocking arm roll-over test method - Google Patents
A kind of jacket launching barge rocking arm roll-over test method Download PDFInfo
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- CN104890824B CN104890824B CN201510317906.0A CN201510317906A CN104890824B CN 104890824 B CN104890824 B CN 104890824B CN 201510317906 A CN201510317906 A CN 201510317906A CN 104890824 B CN104890824 B CN 104890824B
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- rocking arm
- wheel machine
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Abstract
The present invention relates to marine installation experimental technique field, specifically related to a kind of jacket launching barge rocking arm roll-over test method, there is provided, by the loop wheel machine in dock, the lifting force for realizing rocking arm upset in process of the test, adjustable, controlled loop wheel machine pulling force ensure that the accurate of rocking arm switching process and safety regulate and control, it is easy to control rocking arm to be still in required testing position and detected, the method does not need the test tools such as counterweight foundary weight, greatly reduce the test tool before and after testing to prepare and round-off work, shorten the test period, improve efficiency, process of the test can be carried out in dock, reduce mooring trial test cycle of the launching barge in harbour, be conducive to saving harbour resource and experimentation cost.
Description
Technical field
The present invention relates to marine installation experimental technique field, and in particular to a kind of jacket launching barge rocking arm roll-over test
Method.
Background technology
Launching barge rocking arm is a critical system on launching barge, is master of the equipment such as jacket during Xia Shui
Want bearing system and by Force system, two rocking arms with rotary shaft that jacket launching barge is arranged by its stern, leading
Pipe support along launching barge track slide into launching barge stern when, rocking arm jacket pressure and launching barge stern incline dual
Under effect, jacket will be dragged and overturn together and promote jacket launching, last jacket will leave barge, and rocking arm then stands on launching barge
Quarter.Need to carry out a series of roll-over test, and the process in test behind shipbuilding field, rocking arm production installation
The middle contact situation for checking that compound plate is strengthened on rocking arm levelling pad and deck, checks rotating shaft and semicircle set and the hinged situation of locker,
The contact situation of the headblock that rocking arm is laid is checked with buffer surface, it is ensured that rocking arm production installation reaches design requirement, traditional
Rocking arm roll-over test is all carried out by way of arranging the test tool such as counterweight foundary weight, is needed a large amount of counterweight foundary weight and more is manually joined
Conjunction is carried out, and when not only testing, manual work difficulty is big, and is needed to carry out substantial amounts of preparation and round-off work before and after testing, test
Cycle is long, and efficiency is low, costly.
Content of the invention
Present invention aims to the deficiencies in the prior art provide a kind of jacket launching barge rocking arm roll-over test
Method, provides, by loop wheel machine in dock, the lifting force for realizing rocking arm upset in process of the test, adjustable, controlled loop wheel machine pulling force energy
Enough ensure that the accurate of rocking arm switching process and safety regulate and control, the testing position required for being easy to control rocking arm to be still in simultaneously is examined
Survey, the method does not need the test tools such as counterweight foundary weight, greatly reduce the test tool before and after testing and prepare and round-off work,
The test period is shortened, efficiency is improve, be conducive to saving experimentation cost.
The present invention is achieved through the following technical solutions the purpose：
A kind of jacket launching barge rocking arm roll-over test method, comprises the following steps：
1) rocking arm is rotatably connected with the stern of launching barge by the rotating shaft that is used in conjunction with each other and semicircle set, described
The front and rear of rocking arm is respectively provided with the first suspension centre and the second suspension centre, and is hung with the first loop wheel machine, second by steel wire rope respectively
Machine connects；
2) the first loop wheel machine of control, the second loop wheel machine, respectively so that steel wire rope is in tension but unstressed state, checks and arrange
The pad situation of the contact with the deck in ship structure of launching barge on rocking arm；
3) control the first loop wheel machine constantly discharge steel wire rope, the second loop wheel machine is gradually increased pulling force so that rocking arm with rotating shaft for prop up
Point is overturn, and checks the rotation situation of rotating shaft, needs to can control the first loop wheel machine, the second loop wheel machine according to inspection so that rocking arm stops
Only overturn；
4) it is moved to behind the first loop wheel machine side from the second loop wheel machine side after the center of gravity of rocking arm, the first loop wheel machine of control is gradually increased
Pulling force, the second loop wheel machine constantly discharge steel wire rope and reduce pulling force so that rocking arm proceeds upset with rotating shaft as fulcrum, check rotating shaft
Rotation situation, according to inspection need can control the first loop wheel machine, the second loop wheel machine so that rocking arm stop upset；
5) bottom of the launching barge is provided with for limiting the stopping means that rocking arm is turned up, and treats that rocking arm overturns
To extreme position and with stopping means on cushion contact when, check that contact situation of the rocking arm with cushion pad simultaneously measures rocking arm
Setting angle A；
6) if the setting angle A of measurement is not inconsistent with design requirement, needing will be certain for rocking arm pull-up by the first loop wheel machine
Angle, is then adjusted to cushion pad, and overturns rocking arm to extreme position again and measure setting angle, until meet setting
Meter is required；
7) water after the completion of to be checked and measurement work, before controlling the first loop wheel machine, the second loop wheel machine to overturn rocking arm to test
Level state, completes rocking arm roll-over test.
Wherein, the roll-over test is carried out in dock, and first loop wheel machine, the second loop wheel machine are the loop wheel machine in dock.
With respect to prior art, beneficial effects of the present invention are：The jacket launching barge rocking arm roll-over test of the present invention
Method, provides, by loop wheel machine in dock, the lifting force for realizing rocking arm upset in process of the test, adjustable, controlled loop wheel machine pulling force
Ensure that the accurate of rocking arm switching process and safety regulate and control, the testing position required for being easy to control rocking arm to be still in simultaneously is carried out
Detection, the method do not need the test tools such as counterweight foundary weight, greatly reduce the test tool before and after testing and prepare and ending work
Making, the test period being shortened, efficiency is improve, process of the test can be carried out in dock, launching barge is reduced in harbour
In the mooring trial test cycle, be conducive to saving harbour resource and experimentation cost.
Description of the drawings
Fig. 1 is the deck in ship structure contact test schematic diagram of rocking arm pad and launching barge.
Fig. 2 is rocking arm switching process schematic diagram.
Fig. 3 is rocking arm setting angle A instrumentation plan.
In figure：1- rocking arm, 2- rotating shaft, 3- semicircle set, 4- launching barge, the first suspension centre of 5-, the second suspension centre of 6-, 7- steel wire
Rope,
The first loop wheel machine of 8-, the second loop wheel machine of 9-, 10- pad, 11- stopping means, 12- cushion pad.
Specific embodiment
Describe the present invention below in conjunction with drawings and the specific embodiments.
Embodiment 1.
The jacket launching barge rocking arm roll-over test method of the present embodiment, comprises the following steps：
1) as shown in figure 1, rocking arm 1 passes through the rotating shaft 2 being used in conjunction with each other and the stern of semicircle set 3 and launching barge 4 can
Connection is rotated, and the first suspension centre 5 and the second suspension centre 6 is respectively provided with the front and rear of the rocking arm 1, and is passed through steel wire rope respectively
7 are connected with the first loop wheel machine 8, the second loop wheel machine 9；
2) the first loop wheel machine 8 of control, the second loop wheel machine 9, respectively so that steel wire rope 7 is in tension but unstressed state, check
The situation of the contact with the deck in ship structure of launching barge 4 of pad 10 being arranged on rocking arm 1；
3) as shown in Fig. 2 the first loop wheel machine 8 of control constantly discharges steel wire rope 7, the second loop wheel machine 9 is gradually increased pulling force so that shake
Arm 1 is overturn with rotating shaft 2 as fulcrum, checks the rotation situation of rotating shaft 2, needs to can control the first loop wheel machine 8, second according to inspection
Loop wheel machine 9 so that rocking arm 1 stops upset；
4) it is moved to behind 8 side of the first loop wheel machine from 9 side of the second loop wheel machine after the center of gravity of rocking arm 1, the first loop wheel machine 8 of control is gradually
Increase pulling force, the second loop wheel machine 9 constantly discharges steel wire rope 7 and reduces pulling force so that rocking arm 1 proceeds upset with rotating shaft 2 as fulcrum,
The rotation situation of rotating shaft 2 is checked, needs to can control the first loop wheel machine 8, the second loop wheel machine 9 according to inspection so that rocking arm 1 stops upset；
5) as shown in figure 3, the bottom of the launching barge 4 is provided with for limiting the spacing dress that rocking arm 1 is turned up
11 are put, when rocking arm 1 is overturn to extreme position and is contacted with the cushion pad 12 on stopping means 11, checks rocking arm 1 and cushion pad
12 contact situation simultaneously measures the setting angle A of rocking arm 1；
6) if the setting angle A of measurement is not inconsistent with design requirement, need 1 pull-up one of rocking arm by the first loop wheel machine 8
Determine angle, then cushion pad 12 is adjusted, and rocking arm 1 is overturn to extreme position again and measure setting angle A, until
Meet design requirement；
7) after the completion of to be checked and measurement work, before the first loop wheel machine 8 of control, the second loop wheel machine 9 overturn rocking arm 1 to test
Horizontality, completes 1 roll-over test of rocking arm.
The roll-over test of the present embodiment is carried out in dock, manufactures installation in rocking arm, and launching barge 4 undocks before i.e.
The test can be carried out, is carried out so as to rocking arm roll-over test is advanced in dock, reduces mooring of the launching barge 4 in harbour
Test period, be conducive to saving harbour resource and experimentation cost, first loop wheel machine 8, the second loop wheel machine 9 are hanging in dock
Machine, it is not necessary to using power support on ship, provide, by the loop wheel machine in dock, the lifting for realizing the upset of rocking arm 1 in process of the test
Power, adjustable, controlled loop wheel machine pulling force ensure that the accurate of 1 switching process of rocking arm and safety regulate and control, and be easy to control rocking arm 1 static
In required testing position and detected, the method does not need the test tools such as counterweight foundary weight, before greatly reducing test
Test tool afterwards prepares and round-off work, shortens the test period, improves efficiency.
Embodiment described above only have expressed some embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
The restriction that therefore can not be interpreted as to the scope of the claims of the present invention.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformation and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (2)
1. a kind of jacket launching barge rocking arm roll-over test method, it is characterised in that comprise the following steps：
1) rocking arm is rotatably connected with the stern of launching barge by the rotating shaft that is used in conjunction with each other and semicircle set, in the rocking arm
Anterior first suspension centre is set, at the rear portion of the rocking arm, the second suspension centre is set, first suspension centre passes through steel wire rope and first
Loop wheel machine connects, and second suspension centre is connected with the second loop wheel machine by steel wire rope；
2) the first loop wheel machine of control, the second loop wheel machine, respectively so that steel wire rope is in tension but unstressed state, checks to be arranged at and shake
Pad on the arm situation of the contact with the deck in ship structure of launching barge；
3) the first loop wheel machine of control constantly discharges steel wire rope, and the second loop wheel machine is gradually increased pulling force so that rocking arm is with rotating shaft as a click-through
Row upset, checks the rotation situation of rotating shaft, needs to can control the first loop wheel machine, the second loop wheel machine according to inspection so that rocking arm stops turning over
Turn；
4) it is moved to behind the first loop wheel machine side from the second loop wheel machine side after the center of gravity of rocking arm, the first loop wheel machine of control is gradually increased drawing
Power, the second loop wheel machine constantly discharge steel wire rope and reduce pulling force so that rocking arm proceeds upset with rotating shaft as fulcrum, check rotating shaft
Rotation situation, needs to can control the first loop wheel machine, the second loop wheel machine according to inspection so that rocking arm stops upset；
5) bottom of the launching barge is provided with for limiting the stopping means that rocking arm is turned up, and treats that rocking arm overturns extremely
Extreme position and with stopping means on cushion contact when, check contact situation of the rocking arm with cushion pad and measure the installation of rocking arm
Angle A；
6) if the setting angle A of measurement is not inconsistent with design requirement, need rocking arm pull-up certain angle by the first loop wheel machine,
Then cushion pad is adjusted, and rocking arm is overturn to extreme position again and measure setting angle, until meet design will
Ask；
7) after the completion of to be checked and measurement work, horizontal before controlling the first loop wheel machine, the second loop wheel machine to overturn rocking arm to test
State, completes rocking arm roll-over test.
2. jacket launching barge rocking arm roll-over test method according to claim 1, it is characterised in that the upset examination
Testing is carried out in dock, and first loop wheel machine, the second loop wheel machine are the loop wheel machine in dock.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317906.0A CN104890824B (en) | 2015-06-10 | 2015-06-10 | A kind of jacket launching barge rocking arm roll-over test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317906.0A CN104890824B (en) | 2015-06-10 | 2015-06-10 | A kind of jacket launching barge rocking arm roll-over test method |
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| Publication Number | Publication Date |
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| CN104890824A CN104890824A (en) | 2015-09-09 |
| CN104890824B true CN104890824B (en) | 2017-03-08 |
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| CN107963182B (en) * | 2017-11-28 | 2019-05-31 | 海洋石油工程股份有限公司 | Displacement method for the large-scale rocker arm that subsidiary conduit frame is lauched |
| CN108298027A (en) * | 2018-03-15 | 2018-07-20 | 湖南湘首智能科技有限公司 | A kind of underwater drilling machine turnover device of double track trolley pull-type and working method |
| CN108839758B (en) * | 2018-08-02 | 2024-07-30 | 中交第三航务工程勘察设计院有限公司 | Survey equipment retraction device and retraction method for offshore engineering shipborne platform |
| CN114906293B (en) * | 2022-05-31 | 2024-05-17 | 广州文冲船舶修造有限公司 | Method for constructing rocker arm hinge piece of jacket launching barge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100466881B1 (en) * | 2003-07-29 | 2005-01-24 | 주식회사 한아엔지니어링 | A cargo-handling apparatus for operation at both side of ship |
| CN103373447B (en) * | 2012-04-13 | 2015-12-30 | 上海利策科技股份有限公司 | A kind of jacket removes ship and jacket method for dismounting |
| CN202745060U (en) * | 2012-08-27 | 2013-02-20 | 天津海德天润海上工程技术有限公司 | Overwater pile-lifting turning mechanism suitable for underwater ultra-long steel pile of deepwater wellhead platform jacket |
| CN102852147B (en) * | 2012-10-09 | 2014-06-04 | 中国海洋石油总公司 | Method for righting jacket by using single cantilever gin pole and double hooks |
| JP2014227765A (en) * | 2013-05-24 | 2014-12-08 | 独立行政法人海上技術安全研究所 | Installation method for ocean wind power generation facility, and barge for ocean wind power generation facility |
| CN103422462B (en) * | 2013-08-20 | 2015-08-05 | 中国海洋石油总公司 | The harbour mounting process of test jacket |
| CN103552655B (en) * | 2013-11-18 | 2015-11-25 | 广州中船黄埔造船有限公司 | A kind of 400 tons of lifting pipe laying vessel stinger installation methods waterborne |
| CN103552664B (en) * | 2013-11-18 | 2015-09-16 | 广州中船黄埔造船有限公司 | For the barge rocker arrangement of jacket launching |
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