CN110080262A - Water bag ballast system for immersed tube sinking - Google Patents
Water bag ballast system for immersed tube sinking Download PDFInfo
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- CN110080262A CN110080262A CN201910339865.3A CN201910339865A CN110080262A CN 110080262 A CN110080262 A CN 110080262A CN 201910339865 A CN201910339865 A CN 201910339865A CN 110080262 A CN110080262 A CN 110080262A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 286
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 30
- 238000010408 sweeping Methods 0.000 claims description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 8
- 238000003860 storage Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pipe Accessories (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of water bag ballast systems for immersed tube sinking, and filling water unit includes multiple water bag groups, and the number of water bag group is even numbers；Pipe-line cell includes two water main roads, vent line and a plurality of branching pipe road；Two water main roads are arranged symmetrically about the middle line of immersed tube length direction；The one end on water bag group intake-discharge pipe road is connect with water main road, and the other end is connect with water bag group, and a water bag group intake-discharge pipe road is arranged at each water bag group；The both ends of ballast pipeline are connect with water main road, and every ballast tube road is mounted on draining pump, and the draining pump exit and water main road of ballast tube road and the linkage section of ballast pipeline are equipped with hydraulic valve；Vent line is installed on the side of immersed tube butt end, and one end connection sealing end door, the other end is hanging, and shut-off valve is provided on vent line.The present invention substitutes conventional construction method, and system lower using input cost, more convenient and fast realizes tube coupling safety, quick and sink smoothly.
Description
Technical field
The invention belongs to immersed tube tunnel technical field of construction.It is more particularly related to which a kind of be used for immersed tube sinking
Water bag ballast system.
Background technique
Immersed tunnelling method is a kind of construction method in water-bed building tunnel, mainly first by several prefabricated immersed tube pipes
Transportation by driving is to sea (river surface) scene respectively for section, and then by one, each and every one ground sinking is mounted in the foundation trench dredged.Currently, heavy
There are mainly two types of the methods of pipe sinking, the first be using sinking ship lift-on/lift-off system, i.e., by the hanger rope that is arranged on sinking ship into
The sinking of row immersed tube, at the same the quadrangle of immersed tube be arranged installation cable, install cable the other end be fixed on by way of casting anchor it is heavy
Outside pipe foundation trench, during immersed tube sinking, using the fixed point that casts anchor as impetus, immersed tube is pulled to be positioned by installation cable.So
And this method easily leads to the sinking position deviation pre-determined bit of immersed tube due to being unable to control swing of immersed tube during sinking
It sets.Therefore, this sinking mode seldom uses；Second method is the method being widely used at present, in the tube coupling to sinking
The multiple water tanks of interior setting, by filling the water into water tank to increase the weight of immersed tube entirety, to realize the sinking of immersed tube, when sinking
Only need the amount of inlet water of each water tank of strict control that can keep the posture of immersed tube sinking, although this method may be implemented
Efficient, the sink smoothly of immersed tube, but the comparison of water tank is expensive, and needs to install many built-in fittings in immersed tube, it is unfavorable
In the production and disassembly of water tank.
Summary of the invention
The object of the present invention is to provide a kind of water bag ballast systems for immersed tube sinking, substitute conventional construction method,
System lower using input cost, more convenient and fast realizes tube coupling safety, quick and sink smoothly purpose.
In order to realize these purposes and other advantages according to the present invention, a kind of water bag pressure for immersed tube sinking is provided
Carry water system, including dress water unit and pipe-line cell；
Dress water unit includes multiple water bag groups, and the number of the water bag group is even numbers, and each water bag group is identical by two
Water bag is made up of piping connection, and multiple water bag groups are arranged symmetrically on the both sides of immersed tube about the middle line of immersed tube length direction；
Pipe-line cell includes two water main roads, vent line and a plurality of branching pipe road；
Two water main roads are arranged symmetrically about the middle line of immersed tube length direction, and the water main road is provided with hydraulic
Valve；
Branching pipe road includes water bag group intake-discharge pipe road and ballast pipeline；The one end on the water bag group intake-discharge pipe road and master
Water lines connection, the other end are connect with water bag group, and the water bag group intake-discharge pipe road is equipped with hydraulic valve, each water bag
One water bag group intake-discharge pipe road is set at group；The ballast pipeline is even numbers item and is in pair about the middle line of immersed tube length direction
Claim arrangement, the both ends of the ballast pipeline are connect with water main road, and every ballast tube road is mounted on draining pump, the pressure
The linkage section for carrying draining pump exit and water main road and ballast pipeline on pipeline is equipped with hydraulic valve；
Vent line is installed on the side of immersed tube butt end, and one end connection sealing end door, the other end is hanging, the ventilation
Shut-off valve is provided on pipeline.
Preferably, the water main road is additionally provided with hand-operated valve.
Preferably, the branching pipe road further includes sweeping pipeline and sealing end door draw water pipeline；
The end seal door draw water pipeline is arranged in the side of immersed tube butt end, and one end is connected to sealing end door binding cavity,
The other end is hanging；
Sweeping pipeline is two groups, is symmetrically arranged in immersed tube on two corners of butt end, one end of sweeping pipeline
It is connect with sweeping immersible pump, the other end is connect with water bag group intake-discharge pipe road；
Hand-operated valve is mounted on the end seal door draw water pipeline and the sweeping pipeline.
Preferably, the water main road, vent line and a plurality of branching pipe road are all made of rubber hose.
Preferably, the water bag ballast system further includes measuring unit, the measuring unit include type double flow meter,
Pressure sensor and float switch；
The water bag group intake-discharge pipe road is equipped with type double flow meter, the pipeline between two water bags of each water bag group
On pressure sensor is installed, a float switch is installed respectively on two angles of immersed tube butt end.
Preferably, further includes:
Master console, for sending control instruction and display immersed tube sinking information；
Valve control cabinet is located in immersed tube, the valve control cabinet and master console communication connection, the valve control cabinet and bidirectional traffics
Meter, pressure sensor, float switch and hydraulic valve electrical connection；
Pump control cabinet, is located in immersed tube, pump control cabinet and master console communication connection, the pump control cabinet and draining pump with
And sweeping immersible pump electrical connection.
Preferably, the hydraulic valve of water main road setting is aperture electric-liquid type butterfly valve.
Preferably, further include two groups of water bag group fixing pieces, be respectively arranged at the both sides of immersed tube, the water bag group fixing piece
Include:
Pedestal is fixed with the bottom plate of immersed tube, and the chassis interior is hollow, and the base upper surface offers multiple openings
And articulated slab is provided at corresponding opening, the quantity of the articulated slab and setting position are corresponding with water bag group, described hinged
Plate is hinged close to the first side of immersed tube length direction middle line and susceptor surface, and second side of the articulated slab is erected on the upper of pedestal
Surface；
Filter is set to chassis interior；
Air bag, is set on filter and opposite with articulated slab, and the quantity of the air bag is identical as the quantity of water bag group, gas
The first section after capsule inflation is trapezoidal, and first section is parallel with the perpendicular where immersed tube width direction, and described the
The top in one section from the second side of articulated slab to the direction of the first side be tilt down and with the angle of horizontal plane be 15~
25°；The bottom of the air bag is provided with gas nozzle；
Skeleton, encloses set on air bag periphery and bottom is fixed with filter, and the height of the skeleton is not higher than base intracavity
Top surface；
Inflator pump has air inlet and exhaust outlet, the air inlet of inflator pump and the intercommunication of immersed tube inner space, the inflator pump
Exhaust outlet connected by the gas nozzle of tracheae and air bag；The tracheae is made of gas main and gas-distributing pipe, and the gas main is the bottom of along
Seat length direction is arranged close to immersed tube side wall, and gas-distributing pipe one end is connect with gas main, the gas nozzle connection of the other end and air bag；
Wherein, each water bag in the water bag group is class rectangular parallelepiped structure, and the outer side wall of the water bag is equipped with rectangular
The grid of the bodily form, the water bag outside are fixed by fixing piece and grid, and the pipeline that two water bags are connected in water bag group is located at water
The connecting pin of bag lower part and the first side of close articulated slab, the water bag group intake-discharge pipe road and water bag is located at water bag lower part and leans on
First side of nearly articulated slab.
The present invention is include at least the following beneficial effects:
The first, water storage being carried out using water bag, the water of water bag carries out precise measurement by type double flow meter and pressure sensor,
The setting of built-in fitting is not only substantially reduced, but also reduces the cost of manual labor amount and water storage device.
The second, two water main roads are used, the midfeather that pipeline passes through immersed tube is avoided, reduces the construction of system
Difficulty.
Third, using rubber hose as intake-discharge pipe road, compared to current steel pipe pipeline, pipeline installation can be reduced
Difficulty improves construction efficiency.
4th, safe, the quick and sink smoothly for realizing immersed tube open water main road when immersed tube needs
Aperture electric-liquid type butterfly valve and water bag group intake-discharge pipe road switch electric-liquid type butterfly valve, can be moved the water to flow by head difference
Water bag makes immersed tube sink to increase immersed tube own wt；When need to float tube coupling when, open draining pump both sides switch electricity
The aperture electric-liquid type butterfly valve of liquid formula butterfly valve and water main road opens draining pump, so that it may so that the water in water bag is discharged, to subtract
Small tube coupling self weight, makes immersed tube float；The water of water bag group carries out precise measurement by type double flow meter and pressure sensor；Not only may be used
To guarantee the adjustable of disengaging water flow, and can in case of emergency blind off a line, fully ensure that the steady of immersed tube sinking and
Safety.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the water bag ballast system structural schematic diagram for immersed tube sinking in embodiment 1；
Fig. 2 is enlarged drawing at A in embodiment 1；
Fig. 3 is enlarged drawing at B/D in embodiment 1；
Fig. 4 is enlarged drawing at C in embodiment 1；
Fig. 5 is enlarged drawing at E in embodiment 1；
Fig. 6 is water bag group fixing piece main view in embodiment 2；
Fig. 7 is water bag group fixing piece left view in embodiment 2.
1- water bag group intake-discharge pipe road, 2- water bag group, the small water bag of 21- first, the small water bag of 22- second, 3- water main road, 4-
Sweeping pipeline, 5- end seal door draw water pipeline, 6- vent line, 7- ballast pipeline, 8- hand-operated valve, 9- aperture electric-liquid type butterfly valve, 10-
Draining pump, 11- switch electric-liquid type butterfly valve, 12- type double flow meter, 13- pressure sensor, 14- sweeping immersible pump, 15- floating ball are opened
It closes, 16- shut-off valve, 17 pedestals, 18 articulated slabs, 19 filters, 20 air bags, 21 gas nozzles, 22 skeletons, 23 electric inflating pumps, 24 total gas
Pipe, 25 gas-distributing pipes, 26 grids, 27 fixing pieces.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
In the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, is not that device or the element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Embodiment 1
As shown in Fig. 1~5, the present invention provides a kind of water bag ballast system for immersed tube sinking, including dress water unit
And pipe-line cell；
Dress water unit includes multiple water bag groups 2, and the number of the water bag group 2 is even numbers, and there are two identical for each water bag group 2
Water bag, be as shown in Figure 4 respectively the first small water bag 21 and the second small water bag 22, the first small water bag 21 and the second small water bag 22 are logical
Piping connection composition is crossed, multiple water bag groups 2 are arranged symmetrically on the both sides of immersed tube about the middle line of immersed tube length direction；This implementation
Dress water unit described in example includes six water bag groups 2, and the size dimension of each water bag is 15x8x2m, each on the both sides of immersed tube
Arrangement is in symmetrical three water bag groups 2 about immersed tube length middle line, and three water bag groups 2 on every side are along immersed tube length middle line direction
Equidistant placement.
Pipe-line cell includes two 3, one, water main road vent lines 6 and branching pipe road in the present embodiment；
Two water main roads 3 are arranged symmetrically about the middle line of immersed tube length direction, are provided with out on the water main road 3
Electric-liquid type butterfly valve 9 to be spent, can control the inflow on water main road 3, the one end on water main road is pierced by the non-butt end of immersed tube, if
It sets two water main roads 3 and avoids the midfeather that pipeline passes through immersed tube, reduce the difficulty of construction of system.
Branching pipe road includes six water bag group intake-discharge pipe roads 1 and two ballast pipelines 7 in the present embodiment；The water bag group
The one end on intake-discharge pipe road 1 is connect with water main road 3, and the other end is connect with water bag group 2, the water bag group intake-discharge pipe road 1
On switch electric-liquid type butterfly valve is installed, flow into water bag for controlling water, one water bag group of setting is into draining at each water bag group 2
Pipeline 1；The ballast pipeline 7 is even numbers item and the middle line about immersed tube length direction is arranged symmetrically in immersed tube butt end one
The both ends of side, the ballast pipeline 7 are connect with water main road 3, are mounted on draining pump 10 on every ballast pipeline 7, at this
Two 10 flows of draining pump are 150m in embodiment3/ h, lift 40m.10 exit of draining pump on the ballast pipeline 7 with
And the linkage section of water main road 3 and ballast pipeline 7 is equipped with switch electric-liquid type butterfly valve.
Vent line 6 is installed on the side of immersed tube butt end, and one end connection sealing end door, the other end is hanging, described logical
Shut-off valve 16 is provided on air pipe 6, the vent line 6 prevents binding cavity for making immersed tube butt end binding cavity lead to atmosphere
The problem of inside having negative pressure, causing the water that can not take out binding cavity.Two sections are heavy after immersed tube butt end binding cavity refers to the linking of two section immersed tube
Will form a binding cavity between pipe, be between binding cavity and the chamber of immersed tube it is independent, in order to guarantee that it is special that binding cavity leads to atmosphere
Vent line is set, and immersed tube in the prior art has manhole, manhole is directly communicated to the water surface or more, therefore can guarantee
It is connected in immersed tube with atmosphere.
Further, hand-operated valve 8 is additionally provided on the water main road 3, hand-operated valve 8 and aperture electric-liquid type butterfly valve 9 are superfluous
Remaining design, hand-operated hydraulic valve are normally open, in case of emergency blinding off a line.
Further, the branching pipe road further includes two sweeping pipelines 4 and a sealing end door draw water pipeline 5；
The end seal door draw water pipeline 5 is arranged in the side of immersed tube butt end, and one end is connected to sealing end door binding cavity,
The other end is hanging, and a stand-by pump can be set to connect later with water main road, in immersed tube, after immersed tube completes docking, sinks
The butt end of pipe will form binding cavity, be loaded with water in binding cavity, and being drawn water by draw water pipeline, there are two types of schemes, and one is will take out
Water lines connection stand-by pump is simultaneously connected with water main road, opens the hand-operated valve in end seal door draw water pipeline at this time, then open needs
The switch electric-liquid type butterfly valve of the intake-discharge pipe road of the water bag of water inlet opens the shut-off valve on vent line, due to head difference, knot
The water for closing chamber can automatically flow into a part into water bag, then start stand-by pump, water remaining in binding cavity is pumped into water bag
In.Another scheme is that draw water pipeline is directly connected with water main road, and the water in binding cavity is directly discharged to river by draining pump
In go.
Sweeping pipeline 4 is two groups, is symmetrically arranged in immersed tube on two corners of butt end, the one of sweeping pipeline 4
End is connect with sweeping immersible pump 14, and the other end is connect with water bag group intake-discharge pipe road 1；During immersed tube sinking, when heavy
When leak occurs in pipe, corresponding sweeping immersible pump 14 will be started, the water in immersed tube is extracted into water bag group 2.
Hand-operated valve 8 is mounted on the end seal door draw water pipeline 5 and the sweeping pipeline 4.
In the present embodiment, the water main road 3, vent line 6 and branching pipe road are all made of rubber hose.
Further, the water bag ballast system further includes measuring unit, and the measuring unit includes type double flow meter
12, pressure sensor 13 and float switch 15；
Type double flow meter 12 is installed, type double flow meter 12 is intake for detection stream on the water bag group intake-discharge pipe road 1
The inflow of bag is equipped with pressure sensor 13 on the pipeline between two water bags of each water bag group 2, and pressure sensor 13 is used
Hydraulic pressure in detection water bag, thus guarantee water bag can safe water storage, install one respectively on two angles of immersed tube butt end
Float switch 15, float switch 15 for detect immersed tube whether leak.
Further, further includes:
Master console, for sending control instruction and showing the immersed tube sinking information of valve control cabinet and pumping cabinet feedback；
Valve control cabinet is located in immersed tube, the valve control cabinet and master console communication connection, the valve control cabinet and bidirectional traffics
Meter 12, pressure sensor 13, float switch 15 and hydraulic valve electrical connection.
Pump control cabinet, is located in immersed tube, the pump control cabinet and master console communication connection, the pump control cabinet and draining pump 10
And sweeping immersible pump 14 is electrically connected.
In the implementation process of the present embodiment: when immersed tube needs, the aperture being first turned on two water main roads 3 is electric
Switch electric-liquid type butterfly valve on liquid formula butterfly valve 9 and water main road 3, due to head difference, river water can automatically flow into water main road 3, so
The switch electric-liquid type butterfly valve on the water bag group intake-discharge pipe road 1 on 2 side of water bag group that needs to intake is opened afterwards, so that it may control river water stream
Enter corresponding water bag, in this way can be while increasing immersed tube own wt, the water flow adjusting controlled into each water bag is sunk
The posture of pipe, makes immersed tube steadily sink.The speed for flowing into water is controlled by aperture electric-liquid type butterfly valve 9, flows into each water bag
The water of group 2 is measured by the type double flow meter 12 on the water bag group intake-discharge pipe road 1 of each water bag group 2, meanwhile, pressure
Sensor 13 detects the hydraulic pressure in water bag group 2, further prevents water bag explosion due to water storage is excessive.When the water inlet of water bag group 2 reaches
After it is required that, the switch electric-liquid type butterfly valve on the water bag group intake-discharge pipe road 1 on corresponding 2 side of water bag group is closed.When all water bag groups 2 into
After water, close the aperture electric-liquid type butterfly valve 9 on two water main roads 3 and on the water main road 3 of drainpipe linkage section
Switch electric-liquid type butterfly valve.
When needing to float tube coupling or sinking will drain in place, the aperture electric-liquid type that is first turned on two water main roads 3
Butterfly valve 9, the switch electric-liquid type butterfly valve on ballast pipeline 7, restarts two draining pumps 10, and draining water bag group will be carried out by then opening
Switch electric-liquid type butterfly valve on the water bag group intake-discharge pipe road 1 on 2 sides, so that it may control each water bag group 2 and be drained, is discharged
The speed of water is controlled by aperture electric-liquid type butterfly valve 9, and the water of each water bag group 2 is discharged by the water of each water bag group 2
Type double flow meter 12 on bag group intake-discharge pipe road 1 measures, to obtain the water purification amount in water bag group 2 indirectly.Work as water bag
After 2 draining of group reaches requirement, the switch electric-liquid type butterfly valve of the intake-discharge pipe road on corresponding 2 side of water bag group is closed.When all water bags
Stop draining pump 10 after 2 draining of group, finally the switch electric-liquid type butterfly valve on closing ballast pipeline 7, on two water main roads 3
Aperture electric-liquid type butterfly valve 9.
During immersed tube sinking, when float switch 15 detects that leak occurs in immersed tube, corresponding sweeping will be started
Water in immersed tube is extracted into water bag group 2 by immersible pump 14.
Embodiment 2
As shown in figs. 6-7, on the basis of embodiment 1, further include two groups of water bag group fixing pieces, be respectively arranged at immersed tube
Both sides, the water bag group fixing piece includes:
Pedestal 17 is fixed with the bottom plate of immersed tube, and 17 inner hollow of pedestal, 17 upper surface of pedestal offers more
A opening and articulated slab 18, the quantity of the articulated slab 18 and setting position are provided at corresponding opening and water bag group 2 is right
It answers, the articulated slab 18 is hinged close to the first side of immersed tube length direction middle line and 17 surface of pedestal, and the of the articulated slab 18
Two sides are erected on the upper surface of pedestal 17；
Filter 19 is set to inside pedestal 17；
Air bag 20, material are rubber, and the air bag 20 is set on filter 19 and, the air bag opposite with articulated slab 18
20 quantity is identical as the quantity of water bag group 2, and the first section after air bag 20 is inflated is trapezoidal, and first section and immersed tube are wide
Perpendicular where spending direction is parallel, and the top in first section is to the direction of the first side from the second side of articulated slab 18
It tilts down and is 15~25 ° with the angle of horizontal plane；The bottom of the air bag 20 is provided with gas nozzle 21；
Skeleton 22 is enclosed and is fixed set on 20 periphery of air bag and bottom and filter 19, and the height of the skeleton 22 is not higher than bottom
The top surface of 17 inner cavities of seat；
Electric inflating pump 23, electric inflating pump 23 are electrically connected with pump control cabinet, and electric inflating pump 23 has air inlet and exhaust
Mouth, the air inlet of electric inflating pump 23 and the intercommunication of immersed tube inner space, the exhaust outlet of the electric inflating pump 23 are by tracheae
Rubber hose is connect with the gas nozzle 21 of air bag 20；The tracheae is made of gas main 24 and gas-distributing pipe 25,24 edge of gas main
17 length direction of pedestal is arranged close to immersed tube side wall, and 25 one end of gas-distributing pipe is connect with gas main 24, the gas of the other end and air bag 20
Mouth 21 connects, and switch electric-liquid type butterfly valve is provided on each gas-distributing pipe 25, the switch electric-liquid type butterfly valve on gas-distributing pipe 25 with
The electrical connection of valve control cabinet, and controlled by the instruction that master console is sent.
Wherein, each water bag in the water bag group 2 is class rectangular parallelepiped structure, and the outer side wall of the water bag is equipped with rectangular
The grid 26 of the bodily form, the water bag outside is by fixing piece 27 and grid 26 fixed (can be viscose, hidden discount etc.) so that water bag
It can be formed in non-water-filling, the pipeline that two water bags are connected in water bag group 2 is located at the of water bag lower part and close articulated slab 18
The connecting pin of side, the water bag group intake-discharge pipe road 1 and water bag is located at water bag lower part and close to the first side of articulated slab 18.
The course of work of water bag group fixing piece: when the water purification amount in water bag group 2 is lower than master console setting value, main control
Platform sends instructions to pump control cabinet and valve control cabinet, is separately turned on water bag group 2 corresponding switch electricity of the corresponding water purification amount lower than setting value
Liquid formula butterfly valve and the air bag 20 of 23 pairs of electric inflating pump corresponding 2 lower sections of water bag group are inflated, and the air bag 20 after inflation will be cut with scissors
The upward pushing tow of fishplate bar 18 makes water bag with tilting together with articulated slab 18, to make water in water bag to the first of articulated slab 18
Side convergence, facilitates the later period to be fully drawn out the water in water bag, reduces water and remains in water bag.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and embodiment shown and described herein.
Claims (8)
1. a kind of water bag ballast system for immersed tube sinking, which is characterized in that including dress water unit and pipe-line cell；
Dress water unit includes multiple water bag groups, and the number of the water bag group is even numbers, and each water bag group is by two identical water bags
It is made up of piping connection, multiple water bag groups are arranged symmetrically on the both sides of immersed tube about the middle line of immersed tube length direction；
Pipe-line cell includes two water main roads, vent line and a plurality of branching pipe road；
Two water main roads are arranged symmetrically about the middle line of immersed tube length direction, and the water main road is provided with hydraulic valve；
Branching pipe road includes water bag group intake-discharge pipe road and ballast pipeline；The one end on the water bag group intake-discharge pipe road and water main
Road connection, the other end are connect with water bag group, and the water bag group intake-discharge pipe road is equipped with hydraulic valve, at each water bag group
One water bag group intake-discharge pipe road is set；The ballast pipeline is even numbers item and is in symmetrical cloth about the middle line of immersed tube length direction
It sets, the both ends of the ballast pipeline are connect with water main road, and every ballast tube road is mounted on draining pump, the ballast tube
The draining pump exit and water main road of road and the linkage section of ballast pipeline are equipped with hydraulic valve；
Vent line is installed on the side of immersed tube butt end, and one end connection sealing end door, the other end is hanging, the vent line
On be provided with shut-off valve.
2. being used for the water bag ballast system of immersed tube sinking as described in claim 1, which is characterized in that the water main road
It is additionally provided with hand-operated valve.
3. being used for the water bag ballast system of immersed tube sinking as claimed in claim 1 or 2, which is characterized in that the branching pipe
Road further includes sweeping pipeline and sealing end door draw water pipeline；
The end seal door draw water pipeline is arranged in the side of immersed tube butt end, and one end is connected to sealing end door binding cavity, another
End is hanging；
Sweeping pipeline be two groups, be symmetrically arranged in immersed tube close to butt end two corners on, one end of sweeping pipeline with sweep
The connection of cabin immersible pump, the other end are connect with water bag group intake-discharge pipe road；
Hand-operated valve is mounted on the end seal door draw water pipeline and the sweeping pipeline.
4. being used for the water bag ballast system of immersed tube sinking as claimed in claim 3, which is characterized in that the water main road,
Vent line and a plurality of branching pipe road are all made of rubber hose.
5. being used for the water bag ballast system of immersed tube sinking as claimed in claim 3, which is characterized in that the water bag ballast water
System further includes measuring unit, and the measuring unit includes type double flow meter, pressure sensor and float switch；
The water bag group intake-discharge pipe road is equipped with type double flow meter, pacifies on the pipeline between two water bags of each water bag group
Equipped with pressure sensor, a float switch is installed respectively on two angles of immersed tube butt end.
6. being used for the water bag ballast system of immersed tube sinking as claimed in claim 5, which is characterized in that further include:
Master console, for sending control instruction and display immersed tube sinking information；
Valve control cabinet is located in immersed tube, the valve control cabinet and master console communication connection, the valve control cabinet and type double flow meter,
Pressure sensor, float switch and hydraulic valve electrical connection；
Pump control cabinet, is located in immersed tube, pump control cabinet and master console communication connection, and the pump is controlled cabinet and draining pump and swept
The electrical connection of cabin immersible pump.
7. being used for the water bag ballast system of immersed tube sinking as described in claim 1, which is characterized in that water main road is arranged
Hydraulic valve be aperture electric-liquid type butterfly valve.
8. being used for the water bag ballast system of immersed tube sinking as described in claim 1, which is characterized in that further include two groups of water bags
Group fixing piece, is respectively arranged at the both sides of immersed tube, the water bag group fixing piece includes:
Pedestal is fixed with the bottom plate of immersed tube, and the chassis interior is hollow, the base upper surface offer it is multiple opening and
Articulated slab is provided at corresponding opening, the quantity of the articulated slab and setting position are corresponding with water bag group, and the articulated slab leans on
First side of nearly immersed tube length direction middle line and susceptor surface are hinged, and second side of the articulated slab is erected on the upper table of pedestal
Face；
Filter is set to chassis interior；
Air bag, is set on filter and opposite with articulated slab, and the quantity of the air bag is identical as the quantity of water bag group, and air bag fills
The first section after gas is trapezoidal, and first section is parallel with the perpendicular where immersed tube width direction, and described first section
The top in face is to tilt down to the direction of the first side from the second side of articulated slab and is 15~25 ° with the angle of horizontal plane；Institute
The bottom for stating air bag is provided with gas nozzle；
Skeleton, encloses set on air bag periphery and bottom is fixed with filter, and the height of the skeleton is not higher than the top surface of base intracavity；
Inflator pump has air inlet and exhaust outlet, the air inlet of inflator pump and the intercommunication of immersed tube inner space, the row of the inflator pump
Port is connected by the gas nozzle of tracheae and air bag；The tracheae is made of gas main and gas-distributing pipe, and the gas main is long along pedestal
It spends direction to be arranged close to immersed tube side wall, gas-distributing pipe one end is connect with gas main, the gas nozzle connection of the other end and air bag；
Wherein, each water bag in the water bag group is class rectangular parallelepiped structure, and the outer side wall of the water bag is equipped with cuboid
Grid, fixed by fixing piece and grid on the outside of the water bag, the pipeline of two water bags of connection is located under water bag in water bag group
The connecting pin of portion and the first side of close articulated slab, the water bag group intake-discharge pipe road and water bag is located at water bag lower part and close to hinge
First side of fishplate bar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910339865.3A CN110080262B (en) | 2019-04-25 | 2019-04-25 | Water bag ballast water system for sinking pipe |
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| CN201910339865.3A CN110080262B (en) | 2019-04-25 | 2019-04-25 | Water bag ballast water system for sinking pipe |
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| CN110080262B CN110080262B (en) | 2023-11-21 |
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| CN111648406A (en) * | 2020-07-03 | 2020-09-11 | 中交第四航务工程局有限公司 | Construction method for dismantling immersed tube ballast system and replacing concrete |
| CN112923241A (en) * | 2021-01-25 | 2021-06-08 | 交通运输部广州打捞局 | Ballast pipeline system |
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| CN112923241A (en) * | 2021-01-25 | 2021-06-08 | 交通运输部广州打捞局 | Ballast pipeline system |
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| Publication number | Publication date |
|---|---|
| CN110080262B (en) | 2023-11-21 |
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