CN101858067B - Process for vertically prefabricating, turning, centering and installing semi-circle body on water - Google Patents
Process for vertically prefabricating, turning, centering and installing semi-circle body on water Download PDFInfo
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- CN101858067B CN101858067B CN 201010204082 CN201010204082A CN101858067B CN 101858067 B CN101858067 B CN 101858067B CN 201010204082 CN201010204082 CN 201010204082 CN 201010204082 A CN201010204082 A CN 201010204082A CN 101858067 B CN101858067 B CN 101858067B
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Abstract
The invention discloses a process for vertically prefabricating, turning, centering and installing a semi-circle body on water. The process comprises two processes of turning in air, storing or shipping in a prefabricating field and installing on water of the semi-circle body, and the two processes are both finished by adopting a semi-circle body lifting appliance with turning and automatic underwater unhooking functions. The invention has high construction efficiency and good construction quality, can finish installation on water of the semi-circle body by only once prefabricating, artfully utilizes the height difference of a semi-circle body lifting point position and a semi-circle body centre-of-gravity position to enable the semi-circle body to generate a turning torque by self-weight for turning by 90 DEG, i.e. exerting force by dint of force, thus a floating crane secondary hook only plays a helping role. The invention can also directly swing up for installation from a transportation ship and automatically unhook underwater without underwater diving operation of a diver completely. The invention realizes convenient unhooking, an unhooking cable is upwards drawn back through the floating crane secondary hook, and two lifting hooks can be unhooked simultaneously and conveniently by means of the weight deflection torque of the lifting hooks.
Description
Technical field
The present invention relates to a kind of semicircular body dykes and dams mounting process, specifically, relate to a kind of semicircular body mounting process of semicircular body dykes and dams.
Background technology
At present, in the shore protection improvement project, for example, gold thread top, Weihai City shore protection improvement project yacht wharf section belongs to the yacht wharf district, and this project comprises yacht stop district and visitor sight-seeing area.Wherein, this project semi arch is inboard stops the district for yacht, and 420 meters of bulkhead wall arc length adopt caisset; The long 415 meters hydrophilic water fronts in the semi arch outside are the passenger sight-seeing area, being divided into is four kinds of structures: concrete closed square vertical type dike header structure, the upright bank protection structure of twin columns wave breaker block, semicircular body retreats the hydrophilic bank protection structure of stairstepping, jackstone sloping breakwater bank protection structure, wherein, semicircular body retreats the hydrophilic shore protection section of ladder total length 200m, arrange 44 semicircular body altogether, because outer arc segments is the tourism water front, usually the semicircular body that adopts is, following two parts are pre-formed, promptly go up, following two parts are by bar splicing, need twice prefabricated, efficient is low, cost height, and exist level to connect stubble, semicircular body rough, bubble is arranged, influence attractive in appearance.For this reason, for guaranteeing the prefabricated apparent mass of semicircular body, increase visitor's sense organ degree and consider and improve efficiency of construction, reduce cost, semicircular body adopts vertical disposable prefabricated.Because semicircular body is vertically prefabricated at precasting yard,, before transportation, needs elder generation with semicircular body vertical aerial 90 degree upsets in precasting yard, and then hang on cargo ship so that install for semicircular body is installed; Semicircular body is when being transported to the on-the-spot installation of over-water construction from the bank, usually adopt the artificial hook of snap ring hoist cable to carry out the installation of semicircular body, after installation, break off relations under water by diver's diving again, the difficulty because manually-operated is broken off relations under water makes that the semicircular body set-up time is long, efficient is low.Can take off hook under water automatically when upset when therefore solving the semicircular body transportation and semicircular body are installed, be a very crucial problem.
Summary of the invention
The problems referred to above that the present invention is directed to the transportation of above-mentioned semicircular body, have when installing, provide a kind of can be when vertical prefabricated aerial 90 degree upsets of semicircular body and installation waterborne the automatically-unhooked under water vertical prefabricated upset of semicircular body set upright, mounting process waterborne.
Technical scheme of the present invention is: the vertical prefabricated upset of a kind of semicircular body is set upright, mounting process waterborne, this technology comprises that semicircular body overturns, deposits or load onto ship at precasting yard in the air, and two processes of installation waterborne, above-mentioned two processes all adopt have upset, automatically-unhooked under water semicircular body suspender finishes, its processing step is as follows:
(1) semicircular body is overturn in the air, is deposited or load onto ship at precasting yard:
1) hook; After the crane ship crane barge was in place, the crane barge main hook was hung the suspender hoist cable of semicircular body suspender, and the crane barge auxiliary hook is hung the upset rope of semicircular body suspender; Semicircular body suspender suspension hook is hung in the semicircular body lifting lifting hole(eyelet), and the upset rope hook of semicircular body suspender tangles semicircular body upset lifting hole(eyelet);
2) sling semicircular body, upset: crane ship crane barge main hook slowly lifts by crane, and the crane barge auxiliary hook loosens, and behind the semicircular body lifting built on stilts height 1.3-1.5m, moves to the precalculated position; The crane barge main hook rises to semicircular body and keeps behind the proper height stablizing motionless, and the crane barge auxiliary hook promotes the upset rope of semicircular body suspender, semicircular body is turned over turn 90 degrees, and promptly is turned to the semicircular body flat bottom surface and is the level of state;
3) deposit or load onto ship: semicircular body upset is in place, moves on storage space or the ship behind the assigned address, and the crane barge main hook slowly puts down semicircular body;
4) break off relations: after semicircular body is in place, untie the upset rope that is hooked on first circle suspender of crane barge auxiliary hook, be hooked on the one-level releasing line of semicircular body suspender on the crane barge auxiliary hook and keep relaxed state; The crane barge main hook drops to relaxed state, and the crane barge auxiliary hook lifts the one-level releasing line of semicircular body suspender, and the one-level releasing line of semicircular body suspender lifts the secondary releasing line of semicircular body suspender again, and the suspension hook of semicircular body suspender rotates around the suspension hook axle, throws off semicircular body lifting lifting hole(eyelet);
(2) semicircular body installation waterborne
1) from the cargo ship semicircular body of slinging: the suspender sling hook of semicircular body suspender is hung on the crane barge main hook of crane ship, and releasing line is hooked on the crane barge auxiliary hook of crane ship and keeps relaxed state; With semicircular body steadily, slowly sling, deliver to the installation site;
2) semicircular body is installed: the crane barge main hook of crane ship slowly descends, and the crane barge auxiliary hook descends thereupon and makes the one-level releasing line of semicircular body suspender and the secondary releasing line of semicircular body suspender keep relaxed state; Semicircular body is transferred to the installation site, and the tension of crane barge main hook is little stress, checks whether the semicircular body position is correct; As the need adjustment, the crane barge main hook semicircular body of slinging is once more adjusted the position, just puts after adjusting;
3) break off relations: after confirming that the semicircular body correct position is errorless, the crane barge main hook of crane ship is loosened fully, the crane barge auxiliary hook lifts the one-level releasing line of semicircular body suspender, the one-level releasing line of semicircular body suspender lifts the secondary releasing line of semicircular body suspender again, the suspender suspension hook is rotated around the suspension hook axle, throw off semicircular body lifting lifting hole(eyelet); Unhook is finished, and suspender is mentioned.
Preferably, lower deviation is-5-+20mm on the center line of described semicircular body lifting lifting hole(eyelet) and the semicircular body actual center gravity position.
Preferably, described crane barge auxiliary hook is connected with the upset lifting hole(eyelet) of the outer middle side part bottom of the vertical arc of semicircular body by the upset rope of semicircular body suspender.
The invention has the beneficial effects as follows: efficiency of construction height of the present invention, construction quality are good, only need the once prefabricated installation waterborne that can finish semicircular body, and the ingenious difference in height of utilizing semicircular body hoisting point position and semicircular body self position of centre of gravity, making the semicircular body deadweight produce turning torque overturns, i.e. " power of borrowing is had an effect ", and the crane barge auxiliary hook is only helped out.The present invention adopts has upset, automatically-unhooked under water semicircular body hanger structure is light and handy, easy to operate, safe and reliable, it can will lift on the cargo ship after the aerial 90 degree upsets of vertical prefabricated semicircular body at precasting yard, again can be from directly handling installation on the cargo ship, automatically-unhooked under water, do not need the diver to carry out diving operation under water fully.The present invention is broken off relations conveniently, is pulled upwardly releasing line by the crane barge auxiliary hook, can throw off two suspension hooks very easily simultaneously by suspension hook weight deflection torque.
Description of drawings
Accompanying drawing 1 is the structural representation of specific embodiment of the invention semicircular body suspender;
Accompanying drawing 2 is the portal-framed structure schematic diagram of specific embodiment of the invention semicircular body suspender;
Accompanying drawing 3 is the last shaft base structure schematic diagram of specific embodiment of the invention semicircular body suspender;
Accompanying drawing 4 is the following shaft base structure schematic diagram of specific embodiment of the invention semicircular body suspender;
Accompanying drawing 5 is the suspension hook structural representation of specific embodiment of the invention semicircular body suspender;
Accompanying drawing 6 is the suspension hook side structure schematic diagram of specific embodiment of the invention semicircular body suspender;
Accompanying drawing 7 is the backing structure schematic diagram of specific embodiment of the invention semicircular body suspender;
Accompanying drawing 8 is specific embodiment of the invention semicircular body lifting original state schematic diagram;
Accompanying drawing 9 is a specific embodiment of the invention semicircular body rollover states schematic diagram;
Accompanying drawing 10 lands view for specific embodiment of the invention semicircular body.
The specific embodiment
The structural representation of semicircular body suspender of the present invention shown in Fig. 1 to 7, a kind of have upset, an automatically-unhooked semicircular body suspender under water, this suspender hangs on two main hooks 1 and auxiliary hook 2 of double hook crane ship, described semicircular body suspender comprises door frame 3 and suspension hook 4, suspension hook 4 is coupling below door frame 3 by suspension hook axle 5, the two ends of door frame 3 are connected with two main hooks by suspender cable wire 6 respectively, and suspension hook 4 is connected with auxiliary hook 2 by releasing line; Described suspender also is provided with a upset rope 10, and auxiliary hook 2 is connected by the upset lifting hole(eyelet) of upset rope 10 with the outer middle side part bottom of semicircular body 7 vertical arcs.Suspension hook 4 comprises the gib head 41 of bottom and the neck of hook 42 on top, the end that gib head 41 contacts with semicircular body 7 is provided with backing plate 43, this backing plate 43 is installed in the end of gib head 41 by bearing pin 44, the upper outside of the neck of hook 42 is provided with a connecting rod 45, releasing line is connected with suspension hook 4 by this connecting rod 4, and the two bottom sides of gib head also is provided with stiffener 46.Door frame 3 is provided with axle bed 31 and following axle bed 32, suspender cable wire 6 is connected with door frame 3 by last axle bed 31, suspension hook 4 passes through down, and axle bed 32 is connected with door frame 3, described door frame 3 comprises door frame crossbeam 33 and door frame vertical rod 34, last axle bed 31 is arranged on the two ends of door frame crossbeam 33, the top of door frame vertical rod 34, and following axle bed 32 is arranged on the bottom of door frame vertical rod 34.Last axle bed 31 is provided with suspender rope axle 35, is set with suspender pulley 6 and releasing line pulley 37 on the suspender rope axle 35, and suspender cable wire 6 is connected with last axle bed 31 by suspender pulley 36; Also be provided with an arc 38 on the last axle bed 31, a side of this arc 38 is connected by the top of screw with last axle bed 31, and opposite side is connected by the outside of back-up ring ring 39 with releasing line pulley 37.Suspension hook axle 5 is arranged on down on the axle bed 32, and suspension hook 6 is coupling on following axle bed 32 by suspension hook axle 5.Releasing line comprises one-level releasing line 8 and secondary releasing line 9, one end of one-level releasing line 8 is connected with auxiliary hook 2, the other end is connected with secondary releasing line 9, and secondary releasing line 9 passes the releasing line pulley 37 that is arranged on the door frame 3 and is connected with connecting rod 45 on being arranged on suspension hook 4.
Adopt above-mentionedly have upset, automatically-unhooked semicircular body suspender carries out that the vertical prefabricated upset of semicircular body is set upright, installation waterborne under water, its processing step is as follows:
(1) semicircular body is overturn in the air, is deposited or load onto ship at precasting yard:
1) hook: after the crane ship crane barge was in place, the crane barge main hook was hung the suspender hoist cable of semicircular body suspender, and the crane barge auxiliary hook is hung the upset rope of semicircular body suspender; Semicircular body suspender suspension hook is hung in the semicircular body lifting lifting hole(eyelet), and lower deviation is-5-+20mm on the center line of semicircular body lifting lifting hole(eyelet) and the semicircular body actual center gravity position; The upset rope hook of semicircular body suspender tangles the upset lifting hole(eyelet) of the outer middle side part bottom of the vertical arc of semicircular body.
2) sling semicircular body, upset: crane ship crane barge main hook slowly lifts by crane, and the crane barge auxiliary hook loosens, and behind the semicircular body lifting built on stilts height 1.3-1.5m, moves to the precalculated position; The crane barge main hook rises to semicircular body and keeps behind the proper height stablizing motionless, and the crane barge auxiliary hook promotes the upset rope of semicircular body suspender, semicircular body is turned over turn 90 degrees, and promptly is turned to the semicircular body flat bottom surface and is the level of state.
3) deposit or load onto ship: semicircular body upset is in place, moves on storage space or the ship behind the assigned address, and the crane barge main hook slowly puts down semicircular body.
4) break off relations: after semicircular body is in place, untie the upset rope that is hooked on first circle suspender of crane barge auxiliary hook, be hooked on the one-level releasing line of semicircular body suspender on the crane barge auxiliary hook and keep relaxed state; The crane barge main hook drops to relaxed state, and the crane barge auxiliary hook lifts the one-level releasing line of semicircular body suspender, and the one-level releasing line of semicircular body suspender lifts the secondary releasing line of semicircular body suspender again, and the suspension hook of semicircular body suspender rotates around the suspension hook axle, throws off semicircular body lifting lifting hole(eyelet).
So far, the workflow end that semicircular body is overturn in the air, deposited or load onto ship at precasting yard, extremely shown in Figure 10 as Fig. 8.Enter next working cycles by said sequence.
(2) semicircular body installation waterborne
1) from the cargo ship semicircular body of slinging: the suspender sling hook of semicircular body suspender is hung on the crane barge main hook of crane ship, and releasing line is hooked on the crane barge auxiliary hook of crane ship and keeps relaxed state; With semicircular body steadily, slowly sling, deliver to the installation site.
2) semicircular body is installed: the crane barge main hook of crane ship slowly descends, and the crane barge auxiliary hook descends thereupon and makes the one-level releasing line of semicircular body suspender and the secondary releasing line of semicircular body suspender keep relaxed state; Semicircular body is transferred to the installation site, and the tension of crane barge main hook is little stress, checks whether the semicircular body position is correct; As the need adjustment, the crane barge main hook semicircular body of slinging is once more adjusted the position, just puts after adjusting.
3) break off relations: after confirming that the semicircular body correct position is errorless, the crane barge main hook of crane ship is loosened fully, the crane barge auxiliary hook lifts the one-level releasing line of semicircular body suspender, the one-level releasing line of semicircular body suspender lifts the secondary releasing line of semicircular body suspender again, the suspender suspension hook is rotated around the suspension hook axle, throw off semicircular body lifting lifting hole(eyelet); Unhook is finished, and suspender is mentioned.
So far, a semicircular body installation waterborne enters next working cycles.
Claims (3)
- The vertical prefabricated upset of semicircular body set upright, mounting process waterborne, it is characterized in that: this technology comprises that semicircular body overturns, deposits or load onto ship at precasting yard in the air, and two processes of installation waterborne, above-mentioned two processes all adopt have upset, automatically-unhooked under water semicircular body suspender finishes, its processing step is as follows:(1) semicircular body is overturn in the air, is deposited or load onto ship at precasting yard:1) hook: after the crane ship crane barge was in place, the crane barge main hook was hung the suspender hoist cable of semicircular body suspender, and the crane barge auxiliary hook is hung the upset rope of semicircular body suspender; Semicircular body suspender suspension hook is hung in the semicircular body lifting lifting hole(eyelet), and the upset rope hook of semicircular body suspender tangles semicircular body upset lifting hole(eyelet);2) sling semicircular body, upset: crane ship crane barge main hook slowly lifts by crane, and the crane barge auxiliary hook loosens, and behind the semicircular body lifting built on stilts height 1.3-1.5m, moves to the precalculated position; The crane barge main hook rises to semicircular body and keeps behind the proper height stablizing motionless, and the crane barge auxiliary hook promotes the upset rope of semicircular body suspender, semicircular body is turned over turn 90 degrees, and promptly is turned to the semicircular body flat bottom surface and is the level of state;3) deposit or load onto ship: semicircular body upset is in place, moves on storage space or the ship behind the assigned address, and the crane barge main hook slowly puts down semicircular body;4) break off relations: after semicircular body is in place, untie the upset rope that is hooked on first circle suspender of crane barge auxiliary hook, be hooked on the one-level releasing line of semicircular body suspender on the crane barge auxiliary hook and keep relaxed state; The crane barge main hook drops to relaxed state, and the crane barge auxiliary hook lifts the one-level releasing line of semicircular body suspender, and the one-level releasing line of semicircular body suspender lifts the secondary releasing line of semicircular body suspender again, and the suspension hook of semicircular body suspender rotates around the suspension hook axle, throws off semicircular body lifting lifting hole(eyelet);(2) semicircular body installation waterborne1) from the cargo ship semicircular body of slinging: the suspender sling hook of semicircular body suspender is hung on the crane barge main hook of crane ship, and releasing line is hooked on the crane barge auxiliary hook of crane ship and keeps relaxed state; With semicircular body steadily, slowly sling, deliver to the installation site;2) semicircular body is installed: the crane barge main hook of crane ship slowly descends, and the crane barge auxiliary hook descends thereupon and makes the one-level releasing line of semicircular body suspender and the secondary releasing line of semicircular body suspender keep relaxed state; Semicircular body is transferred to the installation site, and the tension of crane barge main hook is little stress, checks whether the semicircular body position is correct; As the need adjustment, the crane barge main hook semicircular body of slinging is once more adjusted the position, just puts after adjusting;3) break off relations: after confirming that the semicircular body correct position is errorless, the crane barge main hook of crane ship is loosened fully, the crane barge auxiliary hook lifts the one-level releasing line of semicircular body suspender, the one-level releasing line of semicircular body suspender lifts the secondary releasing line of semicircular body suspender again, the suspender suspension hook is rotated around the suspension hook axle, throw off semicircular body lifting lifting hole(eyelet); Unhook is finished, and suspender is mentioned.
- 2. the vertical prefabricated upset of semicircular body as claimed in claim 1 is set upright, mounting process waterborne, it is characterized in that: lower deviation is-5-+20mm on the center line of described semicircular body lifting lifting hole(eyelet) and the semicircular body actual center gravity position.
- 3. the vertical prefabricated upset of semicircular body as claimed in claim 1 is set upright, mounting process waterborne, it is characterized in that: described crane barge auxiliary hook is connected with the lifting hole(eyelet) of the outer middle side part bottom of the vertical arc of semicircular body by the upset rope of semicircular body suspender.
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| CN 201010204082 CN101858067B (en) | 2010-06-21 | 2010-06-21 | Process for vertically prefabricating, turning, centering and installing semi-circle body on water |
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| CN 201010204082 CN101858067B (en) | 2010-06-21 | 2010-06-21 | Process for vertically prefabricating, turning, centering and installing semi-circle body on water |
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Families Citing this family (9)
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| CN103935892B (en) * | 2013-01-21 | 2016-09-14 | 中交第三航务工程局有限公司南京分公司 | A kind of semicircular body overturns technique in the air |
| CN103066779B (en) * | 2013-01-25 | 2015-05-20 | 江苏南车电机有限公司 | Method for rolling over stator crown block of large permanent magnetic direct-driven wind turbine generator |
| CN104975590B (en) * | 2014-04-04 | 2019-02-22 | 广东海上城建控股发展有限公司 | The vertical assembling technique waterborne of prestressed concrete fixed platform waterborne |
| CN104961043B (en) * | 2015-04-29 | 2017-05-31 | 招商局重工（江苏）有限公司 | A kind of crane barge and its Multifunctional hanging hook, Multifunctional hanging hook group |
| CN106626019A (en) * | 2016-10-01 | 2017-05-10 | 杜宏来 | Automatic turnover type fast-pouring U channel mold |
| CN107043066A (en) * | 2016-12-30 | 2017-08-15 | 中船动力有限公司 | Diesel engine hoisting tool and hoisting method |
| CN108861899B (en) * | 2017-05-12 | 2021-03-12 | 上海船厂船舶有限公司 | Crane vessel amplitude-variable steel wire rope drawing method |
| CN109403365B (en) * | 2018-12-21 | 2022-07-22 | 中交一航局第二工程有限公司 | Safe outgoing system and process for unmanned caisson |
| CN113602955B (en) * | 2021-08-02 | 2023-09-12 | 山海关船舶重工有限责任公司 | Turning method and auxiliary tool for staggered hull section |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10245827A (en) * | 1998-04-06 | 1998-09-14 | Tomen Constr Kk | Construction method for detached breakwater and structure of detached break water |
| CN1970888A (en) * | 2005-11-23 | 2007-05-30 | 天津得鑫电机有限公司 | Semicircular breakwater |
| CN201240753Y (en) * | 2008-06-20 | 2009-05-20 | 中交一航局第二工程有限公司 | Semi-cylinder sling capable of automatically hooking and unhooking |
| CN101736747A (en) * | 2009-12-14 | 2010-06-16 | 中铁大桥局股份有限公司 | Anchor dropping underwater detacher |
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