CN103879905B - Formula floating-crane ship and moving method thereof is moved after jib - Google Patents
Formula floating-crane ship and moving method thereof is moved after jib Download PDFInfo
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- CN103879905B CN103879905B CN201410096793.1A CN201410096793A CN103879905B CN 103879905 B CN103879905 B CN 103879905B CN 201410096793 A CN201410096793 A CN 201410096793A CN 103879905 B CN103879905 B CN 103879905B
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Abstract
Move formula floating-crane ship and moving method thereof after the present invention relates to a kind of jib, move formula floating-crane ship after described jib and include: a hull (1) being provided with hoisting crane; One is installed on the sliding rail (4) on hull (1); One is hinged with the bottom of crane arm support (2) and is slidably connected to the sliding base (3) on sliding rail (4); One slippage trailer coupling (5) for drawing the sliding base (3) on sliding rail (4); One is connected to slight rise is carried out at crane arm support (2) top luffing mechanism (6) to it.Move formula floating-crane ship and moving method thereof after jib of the present invention, be beneficial to hull stable sea.
Description
Technical field
Move formula floating-crane ship and moving method thereof after the present invention relates to a kind of jib, belong to ocean engineering technical field of operation.
Background technology
At present, in offshore engineering job engineering, need to adopt floating-crane ship to carry out hoisting construction operation, the general crane ship as 1000 tonnes is equipped with one, 500 tons of main suspension hooks, two, 300 tons auxiliary hooks, one, 15 tons rigging hooks, maximum height of lift main hook is 70 meters, more than deck, and auxiliary hook is 76 meters, more than deck; Amplitude peak main hook is 69.3 meters, and auxiliary hook is 75.2 meters, and jib total length is 87 meters; Hull overall length 90 meters, molded breadth 30 meters, moldeed depth 7 meters, due to this ship system offshore crane, by the marine lifting specification of CCS, require the power produced at motion of ship acceleration/accel, the static load load forces of component must meet the requirement of 55m/S wind speed; And the crane arm support of the crane ship of routine is vertically installed on hull, because it is when hull navigation is in the process of assigned address, crane arm support windward side is comparatively large, and windage is large, is unfavorable for the steady steaming of hull.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of be beneficial to the jib of hull stable sea after move formula floating-crane ship and moving method thereof.
The object of the present invention is achieved like this: move formula floating-crane ship after a kind of jib, moves formula floating-crane ship and include after described jib:
One hull being provided with hoisting crane;
One is installed on the sliding rail on hull;
One is hinged with the bottom of crane arm support and is slidably connected to the sliding base on sliding rail;
One slippage trailer coupling for drawing the sliding base on sliding rail;
One is connected to crane jib top of the trellis carries out slight rise luffing mechanism to it.
Move formula floating-crane ship after a kind of jib of the present invention, move formula floating-crane ship after described jib and also include one and be installed on jib support for shelving crane arm support on hull.
Formula floating-crane ship is moved after a kind of jib of the present invention, the cross-sectional plane of described sliding rail is an inverted trapezoidal structure, the bottom of described sliding base is the chute of an inverted trapezoidal, above-mentioned sliding rail is embedded in this chute, between above-mentioned chute and sliding rail, liner has poly-four Buddhist vinyl plate, the left and right sides, bottom of described sliding base is provided with the adapter plate having multiple bolt hole, by this adapter plate, sliding base is fixed on hull, the top of described sliding base be with crane arm support bottom the jointed shaft that is hinged, the front end of described sliding base is provided with the pulley mounting hole for installing pulley.
Move formula floating-crane ship after a kind of jib of the present invention, described slippage trailer coupling includes winch, and being connected with sliding base after the drag rope of described winch turns to 180 ° by the deflection sheave that is positioned at sliding rail front end connects.
The moving method of formula floating-crane ship is moved after a kind of jib of the present invention, described method moves formula floating-crane ship after including a jib, move formula floating-crane ship after described jib to include, one hull being provided with hoisting crane, one is installed on the sliding rail on hull, one is hinged with the bottom of crane arm support and is slidably connected to the sliding base on sliding rail, one slippage trailer coupling for drawing the sliding base on sliding rail, one is connected to crane jib top of the trellis carries out slight rise luffing mechanism to it;
Described method includes following steps
After move when transferring:
Steps A 1: start luffing mechanism action and make crane arm support become 60 ° of angles with horizontal surface, then stop luffing mechanism;
Steps A 2: withstand sliding base with jack, unloads sliding base and is fixed on bolt on hull, then remove jack;
Steps A 3: start slippage trailer coupling, move, thus the angle of crane arm support and horizontal surface is slowly reduced after making sliding base drive the crane arm support on it, when this angle is reduced to 40 °, stops slippage trailer coupling;
Steps A 4: return steps A 1, slides onto posterior end until move after crane arm support;
During reach lifting:
Step B1: start luffing mechanism and crane arm support is raised to become 40 ° of angles with horizontal surface, then stop luffing mechanism;
Step B2: start slippage trailer coupling and make sliding base drive the crane arm support on it to move forward, thus the angle of crane arm support and horizontal surface is slowly increased, when this angle increases to 60 °, stops slippage trailer coupling;
Step B3: start luffing mechanism and make extremely to become 40 ° of angles with horizontal surface below crane arm support, then stop luffing mechanism;
Step B4: return step B2, until sliding base drives crane arm support to control position;
Step B5: when sliding base moves to control position, by bolt, sliding base is fixed on hull.
Move the moving method of formula floating-crane ship after a kind of jib of the present invention, in the cyclic process of step B2 and step B3, the middle part of hull is provided with an operation point.
Move the moving method of formula floating-crane ship after a kind of jib of the present invention, move after above-mentioned and transfer, move forward in the process of lifting, the angle of crane arm support and horizontal surface is in the stabilized conditions of 40 ° ~ 60 ° all the time.
The moving method of formula floating-crane ship is moved after a kind of jib of the present invention, above-mentioned deflection sheave is provided with bearing pin sensor, the bottom of described sliding base is provided with multiple pulling force sensor, before carrying out above-mentioned steps A1, the pulling force sensor that sliding base is installed is adjusted to unanimously, thus makes stressed evenly consistent.
Move the moving method of formula floating-crane ship after a kind of jib of the present invention, when carrying out above-mentioned steps A2, when jack withstanding sliding base, observing the registration of bearing pin sensor, when registration is zero, starting the bolt dismantled on sliding base.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is for meeting offshore crane code requirement, reduce productive costs to greatest extent, have employed crane arm support and move mode after hull longitudinal direction, move after jib is longitudinal along hull, finally place on what jib support with 6 ° of angles, thus ensure the safe reliability of hull in decantation navigation process; When navigating by water to destination, again drawing crane arm support reach and being raised to control position.
Accompanying drawing explanation
Fig. 1 is the structural representation (mode of operation) of the crane arm support moving formula floating-crane ship after jib of the present invention when being positioned at working position.
Fig. 2 is the structural representation (operational configuration) of the crane arm support moving formula floating-crane ship after jib of the present invention when being positioned at end.
Fig. 3 (for the purpose of display is clear, eliminates crane arm support in figure for the designs simplification figure moving the various important compositions on the hull of formula floating-crane ship after jib of the present invention; And jib sliding base represents state signal when sliding onto two diverse locations in diagram).
Fig. 4 is the perspective view of the jib sliding base moving formula floating-crane ship after jib of the present invention.
Fig. 5 is the construction profile schematic diagram of the jib sliding base moving formula floating-crane ship after jib of the present invention.
Fig. 6 is the A-A cutaway view of the Fig. 5 of the jib sliding base moving formula floating-crane ship after jib of the present invention.
Wherein:
Hull 1, crane arm support 2, jib sliding base 3, sliding rail 4, slippage trailer coupling 5, luffing mechanism 6, jib support 7;
Chute 3.1, adapter plate 3.2, jointed shaft 3.3, pulley mounting hole 3.4;
Winch 5.1, deflection sheave 5.2, drag rope 5.3.
Detailed description of the invention
See Fig. 1 ~ 6, after a kind of jib that the present invention relates to, move formula floating-crane ship, move formula floating-crane ship after described jib and include:
One hull 1 being provided with hoisting crane;
One is installed on the sliding rail 4 on hull 1;
One is hinged with the bottom of crane arm support 2 and is slidably connected to the sliding base 3 on sliding rail 4;
One slippage trailer coupling 5 for drawing the sliding base 3 on sliding rail 4;
One is connected to the intrinsic mechanism that crane arm support 2 top is hoisting crane to this luffing mechanism 6 of luffing mechanism 6(that it carries out slight rise, utilizes it to carry out sliding movement this mechanism in this patent);
One is installed on the jib support 7 for shelving crane arm support 2 on hull 1;
Its basic moving method is:
After move when transferring:
Steps A 1: start luffing mechanism 6 action and make crane arm support 2 become 60 ° of angles with horizontal surface, then stop luffing mechanism 6;
Steps A 2: withstand sliding base 3 with jack, unloads sliding base 3 and is fixed on bolt on hull 1, then remove jack;
Steps A 3: start slippage trailer coupling 5, move after making sliding base 3 drive the crane arm support 2 on it, thus crane arm support 2 is slowly reduced with the angle of horizontal surface, when this angle is reduced to 40 °, stop slippage trailer coupling 5;
Steps A 4: return steps A 1, slides onto posterior end until move after crane arm support 2;
Steps A 5: start luffing mechanism 6 and crane arm support 2 is transferred on jib support 7;
During reach lifting:
Step B1: start luffing mechanism 6 and crane arm support 2 is raised to become 40 ° of angles with horizontal surface, then stop luffing mechanism 6;
Step B2: start slippage trailer coupling 5 and make sliding base 3 drive the crane arm support 2 on it to move forward, thus crane arm support 2 is slowly increased with the angle of horizontal surface, when this angle increases to 60 °, stop slippage trailer coupling 5;
Step B3: start luffing mechanism 6 and make, to becoming 40 ° of angles with horizontal surface below crane arm support 2, then to stop luffing mechanism 6;
Step B4: return step B2, until sliding base 3 drives crane arm support 2 to control position;
Step B5: when sliding base 3 moves to control position, is fixed on hull 1 by bolt by sliding base 3;
In the cyclic process of step B2 and step B3, one operation point (being fixed on the operation point place be positioned in the middle part of hull 1 by sliding base 3) is set at the middle part of hull 1, this benefit is: conventional operation point is all arranged on Chuan Bianchu, now lift by crane the impact owing to lifting by crane angle, goods cannot be risen and winch on hull 1, after operation point is set in the middle part of hull 1, when sliding base 3 moves to this operation point, be secured by bolts in this place, now work, easily goods can be risen and winch on ship;
Move after above-mentioned and transfer, move forward in the process of lifting, crane arm support 2 is in the stabilized conditions of 40 ° ~ 60 ° all the time with the angle of horizontal surface;
Above-mentioned embodiment is only a scheme simplified most, and any change that those skilled in the art does according to above-mentioned design or improvement, all within the protection domain of this patent;
Below, according to legend, this patent one prioritization scheme is described:
In this prioritization scheme, the cross-sectional plane of described sliding rail 4 is an inverted trapezoidal structure, the bottom of described sliding base 3 is the chute 3.1 of an inverted trapezoidal, above-mentioned sliding rail 4 is embedded in this chute 3.1, be arranged to inverted trapezoidal be to prevent from breakking away by actv., the Peril Incident of upset, and in order to increase friction, between above-mentioned chute 3.1 and sliding rail 4, liner has poly-four Buddhist vinyl plate, the left and right sides, bottom of described sliding base 3 is provided with the adapter plate 3.2 having multiple bolt hole, by this adapter plate 3.2, sliding base 3 is fixed on hull 1, the top of described sliding base 3 be with crane arm support 2 bottom the jointed shaft 3.3 that is hinged, the front end of described sliding base 3 is provided with the pulley mounting hole 3.4 for installing pulley,
Described slippage trailer coupling 5 includes winch 5.1, be connected with sliding base 3 after the drag rope 5.3 of described winch 5.1 turns to 180 ° by the deflection sheave 5.2 that is positioned at sliding rail 4 front end and connect, preferably, the pulley that the pulley mounting hole 3.4 of above-mentioned sliding base 3 front end is installed is to drag rope 5.3 spacing directional taggings;
Preferably, above-mentioned deflection sheave 5.2 is provided with bearing pin sensor, the bottom of described sliding base 3 is provided with multiple pulling force sensor, before above-mentioned steps A1, the pulling force sensor that sliding base 3 is installed is adjusted to unanimously, thus make stressed evenly consistent, prevent from during slippage, occurring the unbalanced situation in left and right; When carrying out above-mentioned steps A2, when jack withstands sliding base 3, observe the registration of bearing pin sensor, when registration is zero, start to dismantle the bolt on sliding base 3, now bolt does not stress, not only convenient disassembly, safer in what is more important unloading process, stop the generation of safety misadventure.
It should be noted that above-mentioned detailed description of the invention is only an optimization scheme of this patent, any change that those skilled in the art does on the basis of above-mentioned concrete structure or improvement, all within the protection domain of this patent.
Claims (5)
1. after a jib, move the moving method of formula floating-crane ship, it is characterized in that: described method moves formula floating-crane ship after including a jib, move formula floating-crane ship after described jib to include, one hull (1) being provided with hoisting crane, one is installed on the sliding rail (4) on hull (1), one is hinged with the bottom of crane arm support (2) and is slidably connected to the sliding base (3) on sliding rail (4), one slippage trailer coupling (5) for drawing the sliding base (3) on sliding rail (4), one is connected to slight rise is carried out at crane arm support (2) top luffing mechanism (6) to it,
Described method includes following steps:
After move when transferring:
Steps A 1: start luffing mechanism (6) action and make crane arm support (2) become 60 ° of angles with horizontal surface, then stop luffing mechanism (6);
Steps A 2: withstand sliding base (3) with jack, unloads sliding base (3) and is fixed on bolt on hull (1), then remove jack;
Steps A 3: start slippage trailer coupling (5), move after making sliding base (3) drive the crane arm support on it (2), thus crane arm support (2) is slowly reduced with the angle of horizontal surface, when this angle is reduced to 40 °, stop slippage trailer coupling (5);
Steps A 4: return steps A 1, slides onto posterior end until move after crane arm support (2);
During reach lifting:
Step B1: start luffing mechanism (6) and crane arm support (2) is raised to become 40 ° of angles with horizontal surface, then stop luffing mechanism (6);
Step B2: start slippage trailer coupling (5) and make sliding base (3) drive the crane arm support (2) on it to move forward, thus crane arm support (2) is slowly increased with the angle of horizontal surface, when this angle increases to 60 °, stop slippage trailer coupling (5);
Step B3: start luffing mechanism (6) and make crane arm support (2) below to becoming 40 ° of angles with horizontal surface, then stop luffing mechanism (6);
Step B4: return step B2, until sliding base (3) drives crane arm support (2) to control position;
Step B5: when sliding base (3) moves to control position, by bolt, sliding base (3) is fixed on hull (1).
2. move the moving method of formula floating-crane ship after a kind of jib as claimed in claim 1, it is characterized in that: in the cyclic process of step B2 and step B3, the middle part of hull (1) is provided with an operation point.
3. move the moving method of formula floating-crane ship after a kind of jib as claimed in claim 1, it is characterized in that: move after above-mentioned and transfer, move forward in the process of lifting, crane arm support (2) is in the stabilized conditions of 40 ° ~ 60 ° all the time with the angle of horizontal surface.
4. move the moving method of formula floating-crane ship after a kind of jib as described in claim 1,2 or 3, it is characterized in that: move formula floating-crane ship after described jib and also include one and be installed on jib support (7) for shelving crane arm support (2) on hull (1), the cross-sectional plane of described sliding rail (4) is an inverted trapezoidal structure, the bottom of described sliding base (3) is the chute (3.1) of an inverted trapezoidal, above-mentioned sliding rail (4) is embedded in this chute (3.1), the left and right sides, bottom of described sliding base (3) is provided with the adapter plate (3.2) having multiple bolt hole, by this adapter plate (3.2), sliding base (3) is fixed on hull (1), the top of described sliding base (3) is the jointed shaft (3.3) be hinged with crane arm support (2) bottom, the front end of described sliding base (3) is provided with the pulley mounting hole (3.4) for installing pulley, described slippage trailer coupling (5) includes winch (5.1), is connected after the drag rope (5.3) of described winch (5.1) turns to 180 ° by the deflection sheave (5.2) that is positioned at sliding rail (4) front end with sliding base (3), (5.2) are provided with bearing pin sensor with above-mentioned deflection sheave, the bottom of described sliding base (3) is provided with multiple pulling force sensor, before carrying out above-mentioned steps A1, the upper pulling force sensor installed of sliding base (3) is adjusted to unanimously, thus makes stressed evenly consistent.
5. after a kind of jib as described in claim 1,2 or 3, move the moving method of formula floating-crane ship, it is characterized in that: when carrying out above-mentioned steps A2, when jack withstands sliding base (3), observe the registration of bearing pin sensor, when registration is zero, start to dismantle the bolt on sliding base (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410096793.1A CN103879905B (en) | 2014-03-17 | 2014-03-17 | Formula floating-crane ship and moving method thereof is moved after jib |
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| CN201410096793.1A CN103879905B (en) | 2014-03-17 | 2014-03-17 | Formula floating-crane ship and moving method thereof is moved after jib |
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| CN103879905B true CN103879905B (en) | 2015-12-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879904B (en) * | 2014-03-17 | 2015-10-28 | 江苏华西村海洋工程服务有限公司 | Ocean crane ship and moving method thereof |
| CN106744355B (en) * | 2017-02-17 | 2018-07-24 | 亨通华西海洋工程有限公司 | Single arm support crane is shelved after floating |
| CN107487724B (en) * | 2017-08-16 | 2020-04-14 | 青岛海西重机有限责任公司 | Non-crane-assisted large floating crane arm support mounting device and mounting method |
| CN110565527B (en) * | 2019-08-06 | 2021-03-19 | 中交第一航务工程局有限公司 | Method for installing prestressed T-beam on non-rotating synchronous double-lifting-hoisting sea |
| CN110395669A (en) * | 2019-08-28 | 2019-11-01 | 上海振华重工(集团)股份有限公司 | A kind of the cantilever crane free bearing system and arm derrick crane of crane |
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| CN203781695U (en) * | 2014-03-17 | 2014-08-20 | 江苏华西村海洋工程服务有限公司 | Boom backward-movement type floating crane ship |
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| JPH07179294A (en) * | 1993-12-24 | 1995-07-18 | Ishikawajima Harima Heavy Ind Co Ltd | Floating crane |
| JP5324960B2 (en) * | 2009-02-26 | 2013-10-23 | 寄神建設株式会社 | Floating crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4078665A (en) * | 1975-09-05 | 1978-03-14 | Howaldtswerke-Deutsche Werft Aktiengesellschaft Hamburg Und Kiel | Floating crane comprising a main jib which can be deposited on deck |
| CN201406288Y (en) * | 2009-04-02 | 2010-02-17 | 上海振华重工(集团)股份有限公司 | Arm stand sliding system of heavy floating crane |
| CN202415021U (en) * | 2012-01-12 | 2012-09-05 | 龚苏生 | Irrotational foldable variable-amplitude large-scale crane ship |
| CN103879904A (en) * | 2014-03-17 | 2014-06-25 | 江苏华西村海洋工程服务有限公司 | Ocean crane ship and moving method thereof |
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