CN117758703A - Jacket launching barge rocker arm shifting device and use method - Google Patents
Jacket launching barge rocker arm shifting device and use method Download PDFInfo
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- CN117758703A CN117758703A CN202311824751.0A CN202311824751A CN117758703A CN 117758703 A CN117758703 A CN 117758703A CN 202311824751 A CN202311824751 A CN 202311824751A CN 117758703 A CN117758703 A CN 117758703A
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- rocker arm
- barge
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- frame
- lifting
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 238000013461 design Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 40
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 235000014121 butter Nutrition 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Abstract
The invention discloses a rocker arm shifting device of a jacket launching barge, which belongs to the technical field of offshore oil engineering, wherein a rocker arm is provided with a jacking state and a transverse moving state; when the rocker arm is in a lifting state, a lifting jack is arranged on the barge, the fixed end of the lifting jack is connected with the barge, and the piston end of the lifting jack is connected with the rocker arm, so that the rocker arm moves vertically; when the rocker arm is in a transverse moving state, a transverse moving jack is arranged on the barge, the fixed end of the transverse moving jack is connected with the barge, and the piston end of the transverse moving jack is connected with the rocker arm so that the rocker arm transversely moves; also discloses a use method of the jacket launching barge rocker arm shifting device. Compared with the conventional operation of using a ship crane/gantry crane, the hydraulic jack is used for rocker arm displacement, so that dependence on large hoisting resources is eliminated, the effects of one-time design and permanent use are achieved, the utilization rate of the resources is improved, and the engineering cost is reduced.
Description
Technical Field
The invention belongs to the technical field of offshore oil engineering, and particularly relates to a jacket launching barge rocker arm shifting device and a using method thereof.
Background
The jacket is a common foundation form of an offshore oil platform, is fixedly connected with foundation piles through high-strength grouting materials, and is finally fixedly connected to the seabed.
As the development of domestic offshore oil is continuously advanced from shallow sea to deep sea, the jacket platform is larger and heavier, and the conventional lifting and lowering installation mode is difficult to meet the operation requirement. Currently, larger jacket offshore installations typically utilize a launch barge with rocker arms for skid launch installation.
Due to the size difference, the rocker arm gap needs to be adaptively adjusted for different jacket, the conventional method generally adopts a floating crane or a shipyard gantry crane to hoist and shift the rocker arm, so that more resources are occupied, the cost is high, and how to efficiently perform rocker arm shifting operation is a problem which needs to be solved in offshore installation of the jacket at present.
Therefore, there is a need to design a jacket launch barge rocker arm shifting device and a use method thereof, which solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a jacket launching barge rocker arm shifting device and a using method thereof, which have the advantages of stable and efficient construction and reduced operation cost, and solve the problems in the prior art.
In order to achieve the purpose, the rocker arm shifting device for the jacket launching barge and the using method of the rocker arm shifting device are as follows:
a rocker arm shifting device of a jacket launching barge, wherein the rocker arm is provided with a jacking state and a transverse shifting state;
when the rocker arm is in a lifting state, a lifting jack is arranged on the barge, the fixed end of the lifting jack is connected with the barge, and the piston end of the lifting jack is connected with the rocker arm, so that the rocker arm moves vertically;
when the rocker arm is in a transverse moving state, the barge is provided with a transverse moving jack, the fixed end of the transverse moving jack is connected with the barge, and the piston end of the transverse moving jack is connected with the rocker arm to enable the rocker arm to transversely move.
Further, a support mast is connected to the barge and connected to the fixed end of the jack-up jack.
Further, the rocker arm is fixedly connected with a first lifting frame and a second lifting frame, and the piston end of the lifting jack can be connected with the first lifting frame or the second lifting frame.
Further, when the rocker arm is in a jacking state, the barge is provided with a slip-limiting mechanism, and the slip-limiting mechanism limits the sliding stroke of the rocker arm;
the anti-slip mechanism comprises a connecting block, wherein the connecting block is fixedly connected with the barge, a first limiting frame is fixedly connected to the connecting block, a sliding block is slidably connected to the first limiting frame, and the sliding block is fixedly connected with the rocker arm.
Further, when the rocker arm is in a transverse moving state, an anti-overturning mechanism is arranged on the barge and limits the sliding stroke of the rocker arm;
the turnover preventing mechanism comprises a second limiting frame, the second limiting frame is fixedly connected with the barge, a limiting rod is connected to the second limiting frame in a sliding mode, and the limiting rod is fixedly connected with the rocker arm.
Further, an auxiliary jack is arranged on the barge, the fixed end of the auxiliary jack is connected with the barge, and the piston end of the auxiliary jack is connected with the rocker arm so as to be matched with the sideslip jack when the rocker arm is in a sideslip state, so that the rocker arm can transversely move.
Further, a stop plate is fixedly connected to the barge and is connected with the fixed end of the auxiliary jack.
Further, a stop mechanism is arranged on the barge and limits the fixed end of the traversing jack;
the stop mechanism comprises a stop frame, the stop frame is fixedly connected with the barge, a stop position is arranged on the stop frame, the fixed end of the traversing jack is connected with the stop position, a reinforcing rib is fixedly connected on the stop frame, and the reinforcing rib is fixedly connected with the barge.
A method of using the jacket launch barge rocker arm displacement device of any one of claims 1 to 8, comprising the steps of:
s1, the rocker arm hinge piece is unfixed, and a slip-resistant mechanism is installed;
s2, lifting the jack to be in place below the first lifting frame, and then lifting the jack to the designed height;
s3, filling the second jacking frame with a steel plate, and transferring the load to the second jacking frame;
s4, cleaning the semicircular sleeve, smearing butter, and then lowering the rocker arm into the semicircular sleeve;
s5, removing the rocker arm jacking operation tool;
s6, installing a stop mechanism and a stop plate;
s7, installing an anti-overturning mechanism;
s8, the traversing jack and the auxiliary jack transversely move the rocker arm to a design position;
s9, dismantling the rocker arm sideslip operation tool;
s10, installing a rocker arm hinge and checking.
Further, in S8, when the traversing jack and the auxiliary jack traverse the rocker arm, the stroke compensation of the traversing jack and the auxiliary jack can be completed by filling the steel plate.
The invention has the following advantages: compared with the conventional operation of using a ship crane/gantry crane, the hydraulic jack is used for rocker arm displacement, so that dependence on large hoisting resources is eliminated, the effects of one-time design and permanent use are achieved, the utilization rate of the resources is improved, and the engineering cost is reduced.
Drawings
FIG. 1 is a schematic view of a rocker arm shifting apparatus according to the present invention in a raised state;
FIG. 2 is a schematic view of the rocker arm shifting apparatus of the present invention in a traversing state;
FIG. 3 is a schematic view of an anti-slip mechanism according to the present invention;
FIG. 4 is a schematic view of the structure of the stopper plate of the present invention;
FIG. 5 is a schematic diagram of the anti-overturn mechanism of the present invention;
FIG. 6 is a schematic view of a stop mechanism according to the present invention;
the figure indicates: 1. a rocker arm; 11. barge; 2. a first jack-up frame; 21. a second jack-up frame; 22. a slip prevention mechanism; 23. a connecting block; 24. a first limiting frame; 3. an anti-overturning mechanism; 31. the second limiting frame; 32. a limit rod; 4. a support portal; 41. a jack is jacked; 5. a stop plate; 51. an auxiliary jack; 6. a traversing jack; 61. a stop mechanism; 62. a stop frame; 63. a stop position; 64. reinforcing ribs.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
The invention relates to a jacket launching barge rocker arm shifting device and a using method thereof, and the rocker arm shifting device is described with reference to fig. 1 to 6.
Due to the size difference, the rocker arm gap needs to be adaptively adjusted for different jackets, and a conventional method generally adopts a floating crane or a shipyard gantry crane to hoist and shift the rocker arm, so that more resources are occupied and the cost is high.
Therefore, the rocker arm shifting device of the jacket launching barge is provided, and the rocker arm 1 is provided with a jacking state and a transverse moving state; when the rocker arm 1 is in a lifting state, the barge 11 is provided with a lifting jack 41, the fixed end of the lifting jack 41 is connected with the barge 11, and the piston end of the lifting jack 41 is connected with the rocker arm 1 to enable the rocker arm 1 to move vertically; when the rocker arm 1 is in a transverse moving state, a transverse moving jack 6 is arranged on the barge 11, the fixed end of the transverse moving jack 6 is connected with the barge 11, and the piston end of the transverse moving jack 6 is connected with the rocker arm 1 to enable the rocker arm 1 to transversely move; by arranging the lifting jack 41, after the hinged piece of the rocker arm 1 is released, the rocker arm 1 is lifted upwards, so that a gap flows out between the rocker arm 1 and the barge 11, a semicircular sleeve is cleaned and butter is smeared, and then the rocker arm 1 is lowered into the semicircular sleeve; through setting up sideslip jack 6, reached after demolishing rocking arm 1 jacking operation frock, with rocking arm 1 sideslip to the design position, install later and demolish rocking arm 1 sideslip operation frock, and install rocking arm 1 articulated elements and inspect.
The barge 11 is connected with a supporting portal 4, and the supporting portal 4 is connected with the fixed end of a jack-up jack 41; by arranging the support portal 4, when the amount of the rocker arm 1 to be jacked is larger than the jacking amount of the jack 41, the jack 41 is fixedly connected to the support portal 4 by connecting the support portal 4 to the barge 11, so that the stroke compensation of the jack 41 is completed.
The rocker arm 1 is fixedly connected with a first jacking frame 2 and a second jacking frame 21, and the piston end of a jacking jack 41 can be connected with the first jacking frame 2 or the second jacking frame 21; by providing the first and second jacking frames 2 and 21, it is achieved that the jacking jacks 41 are first brought into contact with the first jacking frame 2, then lifted to a design height, and then filled with steel plates at the second jacking frame 21, so that the load is transferred to the second jacking frame 21.
When the rocker arm 1 is in a jacking state, the barge 11 is provided with a slip-limiting mechanism 22, and the slip-limiting mechanism 22 limits the sliding stroke of the rocker arm 1; the anti-slip mechanism 22 comprises a connecting block 23, the connecting block 23 is fixedly connected with the barge 11, a first limiting frame 24 is fixedly connected to the connecting block 23, a sliding block is connected to the first limiting frame 24 in a sliding manner, and the sliding block is fixedly connected with the rocker arm 1; by providing the anti-slip mechanism 22, the effect of limiting the sliding stroke of the rocker arm 1, so that the rocker arm 1 can only move up and down, cannot move transversely and can turn over is achieved.
When the rocker arm 1 is in a transverse movement state, the barge 11 is provided with an anti-overturning mechanism 3, and the anti-overturning mechanism 3 limits the sliding stroke of the rocker arm 1; the turnover preventing mechanism 3 comprises a second limiting frame 31, the second limiting frame 31 is fixedly connected with the barge 11, a limiting rod 32 is connected onto the second limiting frame 31 in a sliding manner, and the limiting rod 32 is fixedly connected with the rocker arm 1; by arranging the anti-overturning mechanism 3, the sliding stroke of the rocker arm 1 is limited, so that the rocker arm 1 can only transversely move and cannot move up and down and overturn.
The barge 11 is provided with an auxiliary jack 51, the fixed end of the auxiliary jack 51 is connected with the barge 11, and the piston end of the auxiliary jack 51 is connected with the rocker arm 1 so as to be matched with the traversing jack 6 when the rocker arm 1 is in a traversing state, so that the rocker arm 1 traverses; by providing the auxiliary jack 51, the traversing jack 6 is assisted, and the effect that the rocker arm 1 cannot deviate when traversing is ensured.
A stop plate 5 is fixedly connected to the barge 11, and the stop plate 5 is connected with the fixed end of the auxiliary jack 51; by providing the stopper plate 5, the effect of supporting the auxiliary jack 51 is achieved.
A stop mechanism 61 is arranged on the barge 11, and the stop mechanism 61 limits the fixed end of the traversing jack 6; the stop mechanism 61 comprises a stop frame 62, the stop frame 62 is fixedly connected with the barge 11, a stop position 63 is arranged on the stop frame 62, the fixed end of the traversing jack 6 is connected with the stop position 63, a reinforcing rib 64 is fixedly connected with the stop frame 62, and the reinforcing rib 64 is fixedly connected with the barge 11; by arranging the stop mechanism 61, the traversing jack 6 is supported, and by arranging the reinforcing ribs 64, the unexpected effect of the traversing jack 6 in use is further ensured.
A method of using the jacket launch barge 11 rocker arm 1 displacement apparatus according to any one of claims 1 to 8, comprising the steps of:
s1, the hinge part of the rocker arm 1 is unfixed, and a slip-limiting mechanism 22 is installed;
s2, the lifting jack 41 is positioned below the first lifting frame 2 and then lifted to the designed height;
s3, filling the second jacking frame 21 with a steel plate to prevent the jack pressure from falling, and transferring the load to the second jacking frame 21;
s4, cleaning the semicircular sleeve, smearing butter, and then lowering the rocker arm 1 into the semicircular sleeve;
s5, removing the lifting operation tool of the rocker arm 1;
s6, installing a stop mechanism 61 and a stop plate 5;
s7, installing an anti-overturning mechanism 3;
s8, the traversing jack 6 and the auxiliary jack 51 transversely move the rocker arm 1 to a design position;
in S8, when the traversing jack 6 and the auxiliary jack 51 traverse the swing arm 1, the stroke compensation of the traversing jack 6 and the auxiliary jack 51 can be completed by filling the steel plate.
After traversing the rocker arm 1 to the design position, subsequent measurements confirm the rocker arm 1 position.
S9, removing the transverse moving operation tool of the rocker arm 1;
s10, installing and checking the rocker arm 1 hinge, and then fixing and checking the rocker arm 1;
compared with the conventional operation of using a ship crane/gantry crane, the hydraulic jack is used for shifting the rocker arm 1, so that dependence on large hoisting resources is eliminated, the effects of one-time design and permanent use are achieved, the utilization rate of the resources is improved, and the engineering cost is reduced.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. The utility model provides a jacket launch barge rocking arm displacement device which is characterized in that the rocking arm is provided with a jacking state and a sideslip state;
when the rocker arm is in a lifting state, a lifting jack is arranged on the barge, the fixed end of the lifting jack is connected with the barge, and the piston end of the lifting jack is connected with the rocker arm, so that the rocker arm moves vertically;
when the rocker arm is in a transverse moving state, the barge is provided with a transverse moving jack, the fixed end of the transverse moving jack is connected with the barge, and the piston end of the transverse moving jack is connected with the rocker arm to enable the rocker arm to transversely move.
2. The jacket launch barge arm displacement apparatus according to claim 1, wherein a support mast is connected to the barge, the support mast being connected to a fixed end of the jack-up jack.
3. The rocker arm shifting device of the jacket launch barge according to claim 1 or 2, wherein the rocker arm is fixedly connected with a first lifting frame and a second lifting frame, and the piston end of the lifting jack can be connected with the first lifting frame or the second lifting frame.
4. The jacket launch barge rocker arm displacement device according to claim 1, wherein when the rocker arm is in a jacking state, a slide-stopping mechanism is arranged on the barge and limits the sliding travel of the rocker arm;
the anti-slip mechanism comprises a connecting block, wherein the connecting block is fixedly connected with the barge, a first limiting frame is fixedly connected to the connecting block, a sliding block is slidably connected to the first limiting frame, and the sliding block is fixedly connected with the rocker arm.
5. The jacket launch barge rocker arm displacement device according to claim 1, wherein when the rocker arm is in a traversing state, an anti-overturning mechanism is arranged on the barge and limits the sliding travel of the rocker arm;
the turnover preventing mechanism comprises a second limiting frame, the second limiting frame is fixedly connected with the barge, a limiting rod is connected to the second limiting frame in a sliding mode, and the limiting rod is fixedly connected with the rocker arm.
6. A jacket launch barge arm displacement apparatus according to claim 1 or claim 5, wherein the barge is provided with auxiliary jacks, fixed ends of the auxiliary jacks are connected to the barge, and piston ends of the auxiliary jacks are connected to the swing arms so as to cooperate with the traversing jacks to traverse the swing arms when the swing arms are in a traversing state.
7. The jacket launch barge arm displacement apparatus according to claim 6, wherein a stop plate is fixedly attached to the barge, and the stop plate is connected to a fixed end of the auxiliary jack.
8. The jacket launch barge rocker arm displacement device according to claim 1, wherein a stop mechanism is arranged on the barge and limits the fixed end of the traversing jack;
the stop mechanism comprises a stop frame, the stop frame is fixedly connected with the barge, a stop position is arranged on the stop frame, the fixed end of the traversing jack is connected with the stop position, a reinforcing rib is fixedly connected on the stop frame, and the reinforcing rib is fixedly connected with the barge.
9. A method for using the jacket launch barge rocker arm shifting device, which is characterized in that the jacket launch barge rocker arm shifting device according to any one of claims 1 to 8 is used, and comprises the following steps:
s1, the rocker arm hinge piece is unfixed, and a slip-resistant mechanism is installed;
s2, lifting the jack to be in place below the first lifting frame, and then lifting the jack to the designed height;
s3, filling the second jacking frame with a steel plate, and transferring the load to the second jacking frame;
s4, cleaning the semicircular sleeve, smearing butter, and then lowering the rocker arm into the semicircular sleeve;
s5, removing the rocker arm jacking operation tool;
s6, installing a stop mechanism and a stop plate;
s7, installing an anti-overturning mechanism;
s8, the traversing jack and the auxiliary jack transversely move the rocker arm to a design position;
s9, dismantling the rocker arm sideslip operation tool;
s10, installing a rocker arm hinge and checking.
10. The method according to claim 9, wherein in S8, when the traversing jack and the auxiliary jack traverse the rocker arm, the steel plates are filled to compensate the strokes of the traversing jack and the auxiliary jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311824751.0A CN117758703A (en) | 2023-12-28 | 2023-12-28 | Jacket launching barge rocker arm shifting device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311824751.0A CN117758703A (en) | 2023-12-28 | 2023-12-28 | Jacket launching barge rocker arm shifting device and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117758703A true CN117758703A (en) | 2024-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311824751.0A Pending CN117758703A (en) | 2023-12-28 | 2023-12-28 | Jacket launching barge rocker arm shifting device and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117758703A (en) |
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2023
- 2023-12-28 CN CN202311824751.0A patent/CN117758703A/en active Pending
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