CN109098179A - A kind of throwing structural system and working method - Google Patents
A kind of throwing structural system and working method Download PDFInfo
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- CN109098179A CN109098179A CN201810929144.3A CN201810929144A CN109098179A CN 109098179 A CN109098179 A CN 109098179A CN 201810929144 A CN201810929144 A CN 201810929144A CN 109098179 A CN109098179 A CN 109098179A
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- sandbag
- throwing
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- leading truck
- control cage
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/10—Placing gravel or light material under water inasmuch as not provided for elsewhere
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Abstract
The invention discloses a kind of throwing structural system and working method, the throwing structural system mainly includes throwing ship, GPS, windlass, buoyancy tank, sandbag control leading truck, the fixed device of control cage, topside control cage storing unit, control cage lifting system and operation control box；The buoyancy tank is located at the side of the throwing ship, and the buoyancy tank middle position is provided with moon pool, three groups are placed in moon pool described in sandbag control leading truck；The sandbag control leading truck is fitted together by multiple independent sandbag control cage；The control cage lifting system is made of four promotion columns, and for controlling the movement of sandbag control leading truck, the topside control cage storing unit is made of four storage racks, for storing sandbag guiding control cage.In short, throwing structural system of the present invention can effectively improve the accuracy of sandbag throwing, construction quality is improved, is accelerated construction progress.
Description
Technical field
The present invention relates to dredging waterway technical field, it is specifically related to a kind of throwing structural system and working method.
Background technique
Bangladesh Pa Dema bridge river training works, construction area depth of water 15m~30m, construction time flow rate of water flow 0.5~
1.5m/s, design bank slope gradient 1:6, slope excavating tolerance be ± 250mm, using large-scale cutter suction dredger dredging at
Slope；Soil property is based on silt and Extra-fine sand.Bank slope protection structure is mainly that 3 layers of 125kg soil engineering bag loaded filter+90cm chunk stone are anti-
Shield, foundation trench safeguard structure are 5 layers of 800kg soil engineering bag protection.Soil engineering bag dissipates throwing form using continuous, wherein 125kg soil engineering bag
17000000,800kg soil engineering bag 4,000,000.Soil engineering bag throwing quality requirement minimum thickness meets three layers of geotechnique's 125kg soil engineering bag
Or 5 layers of 800kg soil engineering bag, 5 layers of 800kg soil engineering bag allow with a thickness of 2.0m~2.5m, 3 layers of 125kg soil engineering bag allow with a thickness of
0.5m~0.75m, for maximum gauge no more than designing the 150% of thickness, throwing required precision is high.
Bangladesh Pa Dema dredging waterway project from soil engineering bag throwing construction go into operation since, always using utilize plate
It refutes and leans on GPS positioning using four windlass as location base for operation platform, riprapping is that deck pinpoints step-by-step movement throwing method, because
Construction area water flow, water level enters the factors such as water posture is different compared with depth and soil engineering bag influences, and underwater drift and dispersion are very big, lead
Cause the soil engineering bag flatness tolerance after throwing larger, irregular, the slope surface formed after throwing is bigger, and labor intensity
Greatly, safety is poor, and construction efficiency is low, and the riprapping and throwing result is caused to cannot get owner and management approval, existing letter always
It is described as follows:
The throwing precision of soil engineering bag is low, and the region after throwing has that thickness is too high or too low.Soil engineering bag throwing with
Flat top barge is operation platform, and in barge side, by the measured fixed position of survey and throwing number of plies requirement dozens of, throwing enters together
Then water carries out stepping and next round throwing using four positioning of anchor winches；But due to when soil engineering bag enters water by construction area water
The turbulent flow of stream and the sack impact water surface influences, in addition construction area water level is deep, drifts about after will lead to soil engineering bag water inlet,
It is difficult to fall on scheduled riverbed throwing place, and drifts about there is biggish randomness, it is final after soil engineering bag water inlet to leave a nothing
Method control, the soil engineering bag thickness degree for eventually leading to throwing region are unsatisfactory for code requirement (too high or too low).Supervision requirement: throwing
Precision disapproves the construction of subsequent processing or working face in the case where not up to demand of technical standard；Throwing is more than certain thick
Degree is removed, and be unsatisfactory for thickness must mend throwing；Super thick remove work difficulty it is larger, and again carry out mend throw when, mend throw
Soil engineering bag equally will receive above-mentioned influence, cause soil engineering bag to be difficult to fall at low spot, be not achieved mend throw effect.Cause work
It constantly repeats, inefficiency.
Summary of the invention
Technical problem solved by the present invention is improving construction quality to improve the construction technology of soil engineering bag throwing, accelerate
Construction speed, the present invention provides a kind of throwing structural system and working methods.
The technical scheme is that a kind of throwing structural system, mainly includes throwing ship, GPS, windlass, buoyancy tank, sandbag
Control the fixed device of leading truck, control cage, topside control cage storing unit, control cage lifting system and operation control box；
The GPS altogether there are two, be located at the both ends of the buoyancy tank, the windlass altogether there are four, be located at described
The quadrangle of throwing ship, throwing ship are moved to specified throwing position by the GPS and windlass；
The buoyancy tank is located at the side of the throwing ship, and the buoyancy tank middle position is provided with moon pool, and the moon pool is in strip
Shape, place three groups in moon pool described in sandbag control leading truck；The buoyancy tank can in the deck usable floor area for not reducing throwing ship,
It ensures the increased modular manufacturing installation for throwing bag control device again simultaneously, reduces former ship to greatest extent in retrofit process
It stops work the repacking time；
The sandbag control leading truck is fitted together by multiple independent sandbag control cage, and sandbag controls leading truck in work
Making each station in surface side can open to form throwing mouth, and sandbag control cage according to the depth of water situation of construction operation area for gradually mentioning
Sandbag control cage is risen or removed to realize the adjustment of the sandbag control leading truck depth of water；The sandbag control leading truck is provided with specially
The independent lifting beam of door, installation and disassembly of the lifting beam for sandbag control leading truck；The sandbag control guiding
Frame can enable the sandbag left more accurately drop on bed mud face, prevent sandbag free-falling in the process due to water
The drift phenomenon that resistance and water flow generate；
The control cage lifting system is made of four promotion columns, and four promotion columns include being located among moon pool
Two promotion columns and two promotion columns positioned at moon pool two sides, be respectively provided with two on two promotion columns of the centre
Leading truck hoisting gear, a leading truck hoisting gear is respectively provided on the promotion column of the two sides, and control cage lifting system is used
In the lifting of control sandbag control leading truck；
The fixed device of the control cage is fixed on inside and outside sandbag control leading truck on railway platform, and the fixed device of control cage is logical
It crosses chain to connect with the lifting lug on sandbag control leading truck, the fixed device of control cage is for fixing sandbag control leading truck and satisfaction
Two sides leading truck hoisting gear, which breaks off relations, when sandbag control cage dismounts changes the needs of suspension centre, plays the role of insurance and fixation；
The topside control cage storing unit is made of four storage racks, and four storage racks are equidistantly fixed on buoyancy tank
Distal side, four storage racks form three storage mouths, and topside control cage storing unit is used for through storage mouth placement sandbag
Control leading truck；
The operation control box is fixed on buoyancy tank side, carries out sandbag control leading truck for operating control cage lifting system
Lifting.
Further, the fixed device every two of the control cage is respectively provided at every group of sandbag for one group and controls the remote of leading truck
End and proximal end two sides.
Further, the buoyancy tank is connect with throwing ship by the strong structure of main deck, bow stern transom plate and topside.It can be with
Guarantee the fixation between buoyancy tank and throwing ship, while improving the position precision of throwing.
Further, the sandbag control leading truck is assembled in by the sandbag control cage that 6 independent height are mono- section of 4m
Together, it is bolted between sandbag control cage.It can make the easy for installation of lifting.
Further, the sandbag control cage is mainly made of steel pipe, round steel and angle steel, and sandbag controls table in leading truck
Face need to design round and smooth, no protrusion.Prevent sandbag control leading truck when jettisoninging soil engineering bag, frame wall, which draws rotten soil engineering bag, makes soil engineering bag
It is ineffective.
Further, the promotion column is installed on buoyancy tank in such a way that bolt and electric welding are reinforced, and is promoted on column
Face is equipped with leading block, suspension hook and ladder etc.；The top for promoting column is provided with maintenance platform, convenient for the follow-up maintenance of equipment
Maintenance and the fixation and promotion of sandbag control leading truck, promote column inner top and are provided with vertical lifting bracket, vertically play ascending branch
Frame, which is used to hang on sandbag control leading truck by wirerope, promotes column, prevents sandbag control leading truck during raising
Shaking, influence control sandbag control leading truck movement.
Further, the control cage lifting system controls the suspension centre at leading truck both ends by sandbag and is promoted above column
Leading truck hoisting gear and leading block come cooperate complete, the leading truck hoisting gear at both ends be designed to double speed or three speed, energy
Realize the linkage of two vehicles and a vehicle single action, three groups of sandbag control leading trucks can focus on control cabinet at one and control.Due to entire sandbag
Weight is larger after controlling leading truck connection, belongs to flat boxes and baskets body structure, and overall stiffness is on the weak side, to realize that sandbag controls leading truck
Lifting in moon pool can satisfy the requirement of two-end-point promotion with this solution.
Further, the sandbag control leading truck bottom outside is equipped with baffle.By the design of baffle, geotechnique can be made
Exit is fallen under bag, gives the power of soil engineering bag one inwardly, keeps soil engineering bag filling even closer, improves the efficiency and matter of throwing
Amount.
The present invention also provides a kind of working methods of throwing structural system, comprising the following steps:
S1: selecting the height of sandbag control leading truck according to the depth of water in practice of construction region, is assisted using windlass as work,
Install or remove sandbag control cage additional；
S2: guiding sandbag to control leading truck movement by operation control box (8), according to the depth of water and passes through control cage promotion system
Promotion and reduction sandbag appropriate of uniting controls leading truck, and throwing ship manipulator should adjust in time sandbag control according to throwing depth and lead
To the depth of frame, avoids the outlet of sandbag control leading truck too far from riverbed, do not have effect, also avoid outlet too close from riverbed
Danger is bottomed out, to guarantee going on smoothly for construction；
S3: it after work starts, is controlled by four anchors on throwing ship and double GPS computer monitors, manipulator understands throwing in real time
The coordinate position of ship is filled out, to grasp the positioning accuracy of each throwing point；
S4: each soil engineering bag is pushed into sandbag guiding control cage after completing filling, seam packet according to directives for construction, because
To there is sandbag to control the constraint of leading truck, soil engineering bag by water velocity, the depth of water and will not enter water posture and influenced, prevent in water
The generation of irregular drift phenomenon is oriented to control cage by sandbag and directly drop to designated place, each throwing of strict control
The soil engineering bag throwing number of point carries out soil engineering bag throwing according to preset throwing superficial density, after the completion of each batch throwing
Joint signature confirmation should be carried out at once, substantially increase throwing precision；
S5: it after completing a wheel throwing, is measured by GPS, determines the throwing number and batch of next round, and pass through four anchors
Machine carries out the movement of ship, completes a new wheel throwing, repeats the throwing process；Ship pays attention to sandbag control in moving process
The underwater position of leading truck processed, avoids bottoming out.
The beneficial effects of the present invention are:
(1) present invention is designed using buoyancy tank, can be in the deck usable floor area for not reducing throwing ship, while being ensured and being increased again
Throwing bag control device modular manufacturing installation, the shut-down for reducing former ship to greatest extent in retrofit process reequips the time,
Improve construction efficiency.
(2) present invention controls leading truck using sandbag, and the sandbag left can be enable more accurately to drop to bed mud
On face, drift phenomenon of the sandbag free-falling in the process due to water resistance and water flow generation is prevented；Throwing construction efficiency is improved,
Reduce security risk.
(3) sandbag of the invention control leading truck is combined assembly by multiple sandbag control cage, can be according to reality
The throwing depth of water carries out dismounting adjustment, is suitable for a variety of depth of water environment, and the scope of application is wider.
Detailed description of the invention
Fig. 1 is throwing structural system main view of the present invention.
Fig. 2 is throwing structural system top view of the present invention.
Fig. 3 is the Section A-A figure of Fig. 2 of the present invention, specially promotion pillar construction schematic diagram.
Fig. 4 is the section B-B figure of Fig. 2 of the present invention, and the specially fixed device of control cage and sandbag control guiding rack position closes
System, a are positional relationship one, and b is positional relationship two, and c is positional relationship three.
Fig. 5 is the C-C sectional view of Fig. 2 of the present invention, specially the positional relationship and sliding of sandbag control leading truck and railway platform
Schematic diagram.
Wherein, 1- throwing ship, 11- windlass, 2- buoyancy tank, 21-GPS, 3- moon pool, 4- sandbag control leading truck, 41- sandbag control
Frame processed, 42- baffle, 43- lifting lug, 5- promote column, 51- leading truck hoisting gear, 52- ladder, 53- suspension hook, 54- guiding and slide
Wheel, the vertical lifting bracket of 55-, 6- storage rack, 7- control cage fixed device, 8- operation control box, 9- lifting beam.
Specific embodiment
As shown in Figure 1, a kind of throwing structural system, mainly includes throwing ship 1, GPS 21, windlass 11, buoyancy tank 2, sandbag control
Leading truck 4, the fixed device 7 of control cage, topside control cage storing unit, control cage lifting system and operation control box 8 processed；GPS
21 altogether there are two, be located at the both ends of buoyancy tank 2, windlass 11 altogether there are four, be located at the quadrangle of throwing ship 1, throwing ship 1 is logical
It crosses GPS 21 and windlass 11 is moved to specified throwing position；
As shown in Fig. 2, buoyancy tank 2 is located at the side of throwing ship 1, buoyancy tank 2 and throwing ship 1 by main deck, bow stern transom plate with
And the strong structure connection of topside.It can guarantee the fixation between buoyancy tank 2 and throwing ship 1, while improve the position precision of throwing.
2 middle position of buoyancy tank is provided with moon pool 3, and moon pool 3 is elongated, and three groups of sandbag control leading trucks 4 are placed in moon pool 3；Buoyancy tank 2 can be with
In the deck usable floor area for not reducing throwing ship 1, while the increased modular manufacturing installation for throwing bag control device is ensured again,
The time is reequiped in the shut-down for reducing former ship to greatest extent in retrofit process；
It is assembled in as shown in Figure 1, sandbag controls leading truck 4 by the sandbag control cage 41 that 6 independent height are mono- section of 4m
Together, it is bolted between sandbag control cage 41.It can make the easy for installation of lifting.Sandbag control cage 41 is mainly by steel
Pipe, round steel and angle steel are made, and sandbag control 4 inner surface of leading truck need to design round and smooth, no protrusion.Prevent sandbag from controlling leading truck
4 when jettisoninging soil engineering bag, and frame wall, which draws rotten soil engineering bag, keeps soil engineering bag ineffective.Sandbag controls 4 bottom outside of leading truck and is equipped with gear
Plate 42.It by the design of baffle 42, can make to fall on exit under soil engineering bag, give the power of soil engineering bag one inwardly, make geotechnique
Bag filling is even closer, improves the efficiency and quality of throwing.Sandbag controls leading truck 4 and can open in the work each station in surface side
It is formed and throws mouth, sandbag control cage 41 is used to gradually promote or remove sandbag control cage 41 according to the depth of water situation of construction operation area
To realize the adjustment of sandbag control 4 depth of water of leading truck；Sandbag control leading truck 4 is provided with special independent lifting beam 9, rises
Installation and disassembly of the weight crossbeam 9 for sandbag control leading truck 4；Sandbag control leading truck 4 can enable the sandbag left compare
It accurately drops on bed mud face, prevents drift phenomenon of the sandbag free-falling in the process due to water resistance and water flow generation；
As shown in Figure 1-3, control cage lifting system is made of four promotion columns 5, promotes column 5 and pass through bolt and electric welding
The mode of reinforcing is installed on buoyancy tank 2, is promoted column 5 and is equipped with leading block 54, suspension hook 53 and ladder 52 etc. above；It is promoted vertical
The top of column 5 is provided with maintenance platform, and the fixation and promotion of leading truck 4 are controlled convenient for the follow-up maintenance maintenance of equipment and sandbag,
It promotes 5 inner top of column and is provided with vertical lifting bracket 55, vertical lifting bracket 55 is used to lead sandbag control by wirerope
It hangs on and is promoted on column 5 to frame 4, prevent the shaking of sandbag control leading truck 4 during raising, influence control sandbag control and lead
Movement to frame 4.Four promotion columns 5 include two promotion columns 5 positioned at 3 centre of moon pool and two positioned at moon pool two sides
Column 5 is promoted, is respectively provided with two leading truck hoisting geares 51 on two intermediate promotion columns 5, it is each on the promotion column 5 of two sides
Equipped with a leading truck hoisting gear 51, control cage lifting system is used to control the lifting of sandbag control leading truck 4；Control cage mentions
The system of liter pass through sandbag control the suspension centre at leading truck both ends and promoted leading truck hoisting gear and the leading block above column come
Cooperation is completed, and the leading truck hoisting gear at both ends is designed to double speed or three speed, is able to achieve the linkage of two vehicles and a vehicle single action, and three groups husky
Bag control leading truck can focus on control cabinet at one and control.Weight is larger after being connected due to entire sandbag control leading truck 4, belongs to
Flat boxes and baskets body structure, overall stiffness is on the weak side, to realize lifting of the sandbag control leading truck 4 in moon pool 3, with this solution may be used
To meet the requirement of two-end-point promotion.
It is fixed on two inside and outside every group of sandbag control leading truck 4 as shown in Fig. 2, fixed 7 every two of device of control cage is one group
On side railway platform 3, the fixed device 7 of control cage controls the lifting lug 43 on leading truck 4 with sandbag by chain and connect, the fixed dress of control cage
7 are set to change for fixing sandbag control leading truck 4 and meeting two sides leading truck hoisting gear 51 when sandbag control cage 41 dismounts to break off relations
The needs of suspension centre, play the role of insurance and fixation；
As shown in Fig. 2, topside control cage storing unit is made of four storage racks 6, four storage racks 6 are equidistantly fixed on
The distal side of buoyancy tank 2, four storage racks 6 form three storage mouths, and topside control cage storing unit is used to put by storing mouth
Set sandbag control leading truck 4；
As shown in Fig. 2, operation control box 8 is fixed on 2 side of buoyancy tank, sandbag control is carried out for operating control cage lifting system
The lifting of leading truck 4 processed.
As shown in figure 4, figure a, b and c are followed successively by the fixed device 7 of three kinds of control cage and the position of sandbag control leading truck 4 is closed
System.
As shown in figure 5, the positional relationship and sliding schematic diagram of sandbag control leading truck 4 and railway platform 3.
The present invention also provides a kind of working methods of throwing structural system, comprising the following steps:
S1: selecting the height of sandbag control leading truck 4 according to the depth of water in practice of construction region, auxiliary using windlass 11 as work
It helps, installs or remove sandbag control cage 41 additional；
S2: guiding sandbag to control the movement of leading truck 4 by operation control box 8, according to the depth of water and passes through control cage promotion system
Promotion and reduction sandbag appropriate of uniting controls leading truck 4, and 1 manipulator of throwing ship should adjust in time sandbag control according to throwing depth
The depth of leading truck 4 avoids the outlet of sandbag control leading truck 4 too far from riverbed, does not have effect, also avoid outlet from riverbed
Closely danger is bottomed out very much, to guarantee going on smoothly for construction；
S3: it after work starts, is controlled by four anchors on throwing ship 1 and double GPS computer monitors, manipulator understands throwing in real time
The coordinate position for filling out ship 1 grasps the positioning accuracy of each throwing point；
S4: each soil engineering bag is pushed into sandbag guiding control cage 4 after completing filling, seam packet according to directives for construction, because
To there is sandbag to control the constraint of leading truck, soil engineering bag by water velocity, the depth of water and will not enter water posture and influenced, prevent in water
The generation of irregular drift phenomenon is oriented to control cage 4 by sandbag and directly drop to designated place, each throwing of strict control
The soil engineering bag throwing number of point carries out soil engineering bag throwing according to preset throwing superficial density, after the completion of each batch throwing
Joint signature confirmation should be carried out at once, substantially increase throwing precision；
S5: it after completing a wheel throwing, is measured by GPS 21, determines the throwing number and batch of next round, and pass through four
A windlass 11 carries out the movement of ship, completes a new wheel throwing, repeats the throwing process；Ship pays attention in moving process
Sandbag controls the underwater position of leading truck 4, avoids bottoming out.
To further illustrate advantage of the present invention, We conducted be transformed to sandbag throwing ship: by three 125kg
And two 800kg throwing plates refute side overall length direction installation buoyancy tank 2,2 middle position of buoyancy tank increases sandbag control leading truck 4,
Control cage lifting system, the fixed facilities such as device 7 and topside control cage storing unit of control cage leave process to meet sandbag
In posture and position control.
Primary structure system:
1) buoyancy tank
The size of buoyancy tank 2 is calculated according to the size of flat top barge, to meet intensity and requirement.Size is inadequate
Accordingly increasing overhanging platform, (B16 increases the overhanging platform of windlass 11, guarantees effective row rope distance of positioning windlass 11, generally
It is 5-6 times of 11 drum length of windlass).Deck and hull use attached gusset and electric welding connection, and underwater is disregarded, waterline
It is connected using structure with structure at the above 200mm, stem is connected with increasing T-shaped outside ship stern.Spiral shell is used respectively at deck and hull
Bolt and electric welding connection guarantee the longitudinal strength needs of entire buoyancy tank 2, and after the completion of the buoyancy tank 2 entirely newly added splices, centre be will form
The moon pool 3 of one longitudinal direction, sandbag control leading truck 4 are put into river water from moon pool 3.It is 24 that sandbag, which controls 4 total height of leading truck,
Rice, is fitted together by 6 independent 4 meters high sandbag control cage 41, is gradually promoted according to the depth of water situation of construction operation area
Or sandbag control cage 41 is removed to phytal zone movement.
By the haul of buoyancy tank 2 to the barge position for needing to be transformed, (barge will be parked in relatively flat at this time with barge side of a ship side positioning
Hydrostatic domain, barge are also required to by adjusting load finally concordant with 2 main deck of buoyancy tank to be installed additional), pass through main deck, bow stern transom plate
And the strong structure connection of topside, combine brand-new buoyancy tank 2 firmly with former ship.
2) sandbag controls leading truck
Sandbag control leading truck 4 is designed to that height is mono- section of 4m, and the requirement for meeting the throwing bag depth of water (can in ' s operation in shallow water
Meet job requirements by promoting or removing sandbag control cage 41), entire sandbag control leading truck 4 work surface side each
Station can be opened to form throwing mouth, and the every ship design of 800kg soil engineering bag has three groups of sandbag control leading trucks 4, and horizontal direction is equipped with 7
Throw mouth, full ship can simultaneously 21 sandbags of throwing.The every ship design of 125kg soil engineering bag has three groups of sandbag control leading trucks 4, horizontal direction
Equipped with 13 throwing mouths, full ship can 39 sandbags of throwing simultaneously.
41 4 meters of height of every section sandbag control cage, divides upper layer and lower layer, and two meters every layer, every layer has a throwing mouth, and every group totally 6
Sandbag control cage 41 is saved, can be dismantled at any time, is able to satisfy from the water surface to -24 meters of throwing and is oriented to, greatest limit overworks 6 section sandbags
When control cage 41, the intensity of every group of sandbag control leading truck 4 laterally can anti-1m/s water impact, (laterally refer to perpendicular to throwing
Fill out working face) it longitudinally can anti-2m/s water impact (vertical face, which refers to, is parallel to throwing working face).It cannot construct during the rainy season of the side mawa,
Since flow rate of water flow reaches 4m/s during Pa Dema main stem rainy season, the side Jajira can construct throughout the year, and maximum flow rate is equal
No more than 2m/s.
3) column is promoted
After the completion of buoyancy tank 2 is built, for convenience of the installation of subsequent sandbag control cage 41, every 4 sets of setting of throwing ship 1 is dedicated to be mentioned
Column 5 is risen, promotes stem height at 11 meters or so, the scheme reinforced by bolt and electric welding is installed on buoyancy tank 2.It is dedicated
It promotes column 5 and hoisting gear 51, leading block 54, ladder 52, suspension hook 53 etc. is installed above, maintenance platform is arranged in top, convenient
The follow-up maintenance of equipment is maintained and the fixation and promotion of sandbag control leading truck 4.
The vertical lifting bracket 55 that setting sandbag at the top of column 5 controls leading truck 4 is promoted, by specialized wire rope by sandbag
Control leading truck 4, which is hung on, to be promoted on column 5, according to the depth of water situation of actual production, passes through hoisting gear 51, leading block
Sandbag control leading truck 4 is promoted or is declined by 54 equal cooperations.
4) control cage lifting system
The both ends of this programme each group of sandbag control leading truck 4 are designed with suspension centre, dedicated are mentioned by promoted above column 5
Winch 51 and leading block 54 are risen to complete the lifting of sandbag control leading truck 4, the hoisting gear 51 at both ends is designed to double speed, energy
Realize the linkage of two vehicles and a vehicle single action, three groups of sandbag control leading trucks 4 can focus on control cabinet at one and control.
5) the fixed device of control cage
Sandbag controls leading truck 4 when adjustment position finishes in running order, for the sake of assurance, control is equipped on buoyancy tank
The fixed device 7 of frame processed, controls the lifting lug 43 on leading truck 4 with sandbag by chain and connect, play insurance and fixed function.Simultaneously
Also the needs that suspension centre is changed in hoisting gear 51 unhook in two sides when sandbag control cage 41 dismounts are able to satisfy.
It is used by actual test, this throwing structural system falls on river along leading truck after can entering water with effective guarantee sandbag
Bottom position is accurate, will not occur drift situation because of water currents, and the number of plies is uniform after throwing, can largely improve throwing precision,
Guarantee construction quality, reduction do over again and mends throw etc. construction volumes, throwing effect it is good.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (8)
1. a kind of throwing structural system, which is characterized in that mainly include throwing ship (1), GPS (21), windlass (11), buoyancy tank (2),
Sandbag controls leading truck (4), control cage fixed device (7), topside control cage storing unit, control cage lifting system and operation control
Case (8) processed；
The GPS (21) altogether there are two, be located at the both ends of the buoyancy tank (2), the windlass (11) altogether there are four, position respectively
In the quadrangle of the throwing ship (1), throwing ship (1) is moved to specified throwing position by the GPS (21) and windlass (11)；
The buoyancy tank (2) is located at the side of the throwing ship (1), and buoyancy tank (2) middle position is provided with moon pool (3), the moon
Pond (3) is elongated, the control of sandbag described in three groups of placement leading truck (4) in moon pool (3)；
Sandbag control leading truck (4) is fitted together by multiple independent sandbag control cage (41), and sandbag controls leading truck
(4) it can open to form throwing mouth in the work each station in surface side, sandbag control cage (41) is used for the water according to construction operation area
Deep feeling condition gradually promotes or removes sandbag control cage (41) to realize the adjustment of sandbag control leading truck (4) depth of water；The sand
Bag control leading truck (4) is provided with special independent lifting beam (9), and the lifting beam (9) controls leading truck for sandbag
(4) installation and disassembly；
The control cage lifting system is made of four promotion columns (5), and four promotion columns (5) include being located at moon pool
(3) two intermediate promotion columns (5) and two promotion columns (5) positioned at moon pool two sides, two of the centre are promoted vertical
It is respectively provided with two leading truck hoisting geares (51) on column (5), is respectively provided with a leading truck on the promotion column (5) of the two sides and mentions
It rises winch (51), control cage lifting system is used to control the lifting of sandbag control leading truck (4)；
The control cage fixed device (7) is fixed on inside and outside sandbag control leading truck (4) on railway platform (3), and control cage is fixed
Device (7) is connect by chain with the lifting lug (43) in sandbag control leading truck (4), and control cage fixed device (7) is for fixing
Two sides leading truck hoisting gear (51), which breaks off relations, when sandbag controls leading truck (4) and meets sandbag control cage (41) dismounting changes suspension centre
It needs；
The topside control cage storing unit is made of four storage racks (6), and four storage racks (6) are equidistantly fixed on floating
The distal side of case (2), four storage racks (6) form three storage mouths, and topside control cage storing unit is used for through storage mouth
Place sandbag control leading truck (4)；
The operation control box (8) is fixed on buoyancy tank (2) side, carries out sandbag control guiding for operating control cage lifting system
The lifting of frame (4).
2. a kind of throwing structural system according to claim 1, which is characterized in that the control cage fixed device (7) is every
Two are respectively provided at the distal end and proximal end two sides that every group of sandbag controls leading truck for one group.
3. a kind of throwing structural system according to claim 1, which is characterized in that the buoyancy tank (2) and throwing ship (1) are logical
Cross the strong structure connection of main deck, bow stern transom plate and topside.
4. a kind of throwing structural system according to claim 1, which is characterized in that sandbag control leading truck (4) is by 6
A independent height is that the sandbag control cage (41) of mono- section of 4m fits together, and is connected between sandbag control cage (41) by bolt
It connects.
5. a kind of throwing structural system according to claim 4, which is characterized in that the sandbag control cage (41) mainly by
Steel pipe, round steel and angle steel are made, and sandbag control leading truck (4) inner surface need to design round and smooth, no protrusion.
6. a kind of throwing structural system according to claim 1, which is characterized in that the promotion column (5) passes through bolt
And electric welding reinforce mode be installed on buoyancy tank (2), promoted column (5) above be equipped with leading block (54), suspension hook (53) and
Ladder (52)；The top for promoting column (5) is provided with maintenance platform, promotes column (5) inner top and is provided with vertical lifting bracket
(55), vertical lifting bracket (55), which is used to hang on sandbag control leading truck (4) by wirerope, promotes column (5).
7. a kind of throwing structural system according to claim 1, which is characterized in that the sandbag controls leading truck (4) bottom
Baffle (42) are equipped on the outside of portion.
8. a kind of working method of throwing structural system, which comprises the following steps:
S1: selecting the height of sandbag control leading truck (4) according to the depth of water in practice of construction region, auxiliary as work using windlass (11)
It helps, installs or remove sandbag control cage (41) additional；
S2: guiding sandbag control leading truck (4) mobile by operation control box (8), promotes system according to the depth of water and by control cage
Promotion and reduction sandbag appropriate of uniting controls leading truck (4), and throwing ship (1) manipulator should adjust in time sandbag according to throwing depth
The depth for controlling leading truck (4) avoids the outlet of sandbag control leading truck (4) too far from riverbed, does not have effect, also avoid out
Mouth closely bottoms out very much danger from riverbed, to guarantee going on smoothly for construction；
S3: it after work starts, is controlled by four anchors on throwing ship (1) and double GPS computer monitors, manipulator understands throwing in real time
The coordinate position of ship (1) grasps the positioning accuracy of each throwing point；
S4: each soil engineering bag is pushed into sandbag guiding control cage (4) according to directives for construction, passes through after completing filling, seam packet
Sandbag guiding control cage (4) directly drop to designated place, the soil engineering bag throwing number of each throwing point of strict control, according to
Preset throwing superficial density carries out soil engineering bag throwing, should carry out joint signature confirmation after the completion of each batch throwing at once；
S5: it after completing a wheel throwing, is measured by GPS (21), determines the throwing number and batch of next round, and pass through four anchors
Machine (11) carries out the movement of ship, completes a new wheel throwing, repeats the throwing process；Ship pays attention to sand in moving process
The underwater position of bag control leading truck (4), avoids bottoming out.
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