CN107830244A - Inland lake water intaking siphon piping installation method - Google Patents
Inland lake water intaking siphon piping installation method Download PDFInfo
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- CN107830244A CN107830244A CN201710687749.1A CN201710687749A CN107830244A CN 107830244 A CN107830244 A CN 107830244A CN 201710687749 A CN201710687749 A CN 201710687749A CN 107830244 A CN107830244 A CN 107830244A
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- platform
- slideway
- pipe
- siphon
- siphon piping
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
Abstract
The invention belongs to submarine pipeline technical field of construction, particularly inland lake water intaking siphon piping installation method, including section constructing method on road and underwater section constructing method, land section routinely construction method constructed, i.e. according to channel excavation, pipe string, pipeline welding, pipe laying backfills, recover on road surface, adapter, touch mouth, the processes such as backfill, section constructing method waterborne is by excavation pipe trench, siphon piping is assembled, siphon head positioning lifting, underwater immersed tube installation, backfill and land segment pipe touch mouthful process with underwater segment pipe and formed, the problem of this method solve away from embankment water intake conduit installation operation at sea difficulty, and it is used as strut by the use of water intake conduit self-strength, it is easy to operate, expense is low.
Description
Technical field
The invention belongs to submarine pipeline technical field of construction, particularly inland lake water intaking siphon piping installation method.
Background technology
Tradition marine siphon piping construction is main use on the water by the weldering of siphon piping group for entirety after pour water and immersed tube or make
With engineering ships such as Large-scale Hoisting ship, haul ships, side group weldering ducting side immersed tube mode carries out siphon piping installation on the water.The former
Immersed tube risk is larger, should not use, and the latter needs Large-scale Hoisting ship, the haul engineering ship such as ship, due to current Erhai Lake in Dali and
Major inland lake in Yunnan Province（Such as Dian Chi, Yang Zonghai, Chengjiang Fuxian Lake）Without working ships such as Large-scale Hoisting ship, haul ships
Oceangoing ship, it can not also implement, this just needs separately to research and develop a kind of scientific and reasonable construction technology that disclosure satisfy that siphon piping construction.
The content of the invention
The problem of not being suitable for inland lake for traditional siphon piping construction means, the present invention propose a kind of inland lake
Pool water intaking siphon piping installation method.
The inland lake water intaking siphon piping installation method of the present invention, including section constructing method and underwater section construction party on road
Method, land section routinely construction method constructed, i.e., according to channel excavation, pipe string, pipeline welding, pipe laying backfill, road
Face recovers, taken over, touching the processes such as mouth, backfill, and section constructing method waterborne is characterised by
Implement according to the following steps：
One, excavate pipe trench：Siphon piping construction working platform is made on the platform of land, with crane by siphon piping construction working
Platform is put into water, and sets dynamical system for siphon piping construction working platform；The floating that digging machine is opened to conjoined structure is put down
Position and fix on platform；Platform is moved to water intake design attitude using the dynamical system on floating platform and the telescopic arm of digging machine
Confirm that axial location is correct, fixed support is then put down into support in seabed；Digging machine starts pipe trench excacation, excavates the suitable of pipe trench
Sequence is shallow after first depth；Floating platform is moved to bank after the completion of the pipe trench excavation of seabed, is transferred from digging machine；
Two, siphon piping is assembled：The fixed support on siphon piping construction working platform is removed, it is assembled flat to be adapted into slideway
Platform, one group of mobile slideway of fabrication and installation on the basis of the side axis line of pipe, slideway is connected to slideway platform for lining with two groups of pulleys
Door type frame on, termination controls the lifting of its balladeur train with bangle, at any time observe ditch cleaning scale draft；In slideway platform for lining
The pipe string platform of one adjustable-angle of installation above termination；
Three, siphon head positioning lifting：Siphon elbow and siphon head are installed in box hat, and it is tight that pipeline entered into faucal soldering and sealing,
The outer glue tank concrete of box hat forms anchor block；It is in place that anchor block and siphon head be placed in siphon piping water intake transporting and hoisting with crane
Among platform, before the slideway front end of slideway platform for lining is hung in siphon piping water intake transporting and hoisting with regard to bit platform, slideway
Slideway front end on platform for lining be hung in siphon piping water intake transporting and hoisting with regard to bit platform below, slideway platform for lining and siphon
Pipeline water intake transporting and hoisting is connected with regard to bit platform, is sent into siphon piping with hoist engine marine, is transported to siphon head peace
After holding position, adjustment orientation sinks to marine；
Four, underwater immersed tube installation：The pipeline for treating group pair is placed in siphon piping slideway platform for lining by siphon pipe group to rear lower water
Slideway corrects pipeline to the axis of siphon piping about at l/3, and anchor ear is set on slideway, and pipeline is embraced firmly in group
To on frame, another pipeline being hung on into slideway with the pipeline loop wheel machine on siphon piping slideway platform for lining and is grouped, group is to complete
Two pipe welding simultaneously after finishing.After welding, anchor ear is unclamped, is sling pipeline with the door type frame on slideway, then assembled down
One section of pipeline section；
Five, backfill：Immersed tube after blotter construction, underwater siphon piping installation, and connected with land section, with digging machine and hang
Car cooperation backfills after rubble on the bank is transported to position；Sliding plough is installed in slideway platform for lining slideway head bottom part, allows sliding plough will pipe
Ditch backfill is flat, pipe laying；
Six, land segment pipe touches mouth with underwater segment pipe：The underwater segment pipe of final stage is attached to design and specifies absolute altitude, underwater section
When pipeline docks with land segment pipe, then concrete water-retaining wall construction is carried out, to form cofferdam, completed using dry method welding technology
Touch a mouthful operation.
Described excavation pipe trench process, cable rope can be added on buoyancy tank, keep buoyancy tank steady in the water surface.
Check that bottom of trench digs whether deep feeling condition meets the requirements using Sopwith staff in work progress, fixed branch is moved using small boat
Support and cutting depth, diver, which plunges into the commercial sea, after the completion of excavation is checked and determines cutting depth and width, and next road is carried out after acceptance(check)
Process.
Described siphon piping construction working platform, it is characterised in that the platform includes the first floating body, the first rectangle truss
And first platform：First floating body is two, using del steelframe, is horizontally disposed with steelframe interior edge steelframe some parallel
Floating drum, central pontoon is more than two side floats, close-packed arrays and independently of each other between floating drum；First rectangle is set at the top of the first floating body
Truss, the first rectangle truss center are connected by steelframe, and the first platform of H types is set on the first rectangle truss, and described first
The crawler belt work backing plate that two row that be arranged in parallel on platform are advanced for excavating machinery；First platform corner sets fixation vertically downward
Support, fixed support bottom is taper；Diesel engine propeller simple dynamical system is set on the outside of floating body.
Described slideway platform for lining, it is characterised in that the platform is made up of buoyancy tank, door type frame and slideway and colter, is floated
Case is made up of the second floating body, the second rectangle truss and the second platform：Second floating body is two, using del steelframe,
Some parallel floating drums are horizontally disposed with steelframe interior edge steelframe；Second rectangle truss, the second rectangle purlin are set at the top of the second floating body
Frame side correspondence position is connected by steelframe, and the second platform of concave character type is set on the second rectangle truss；Door type frame is arranged at
Above second platform breach, slideway is formed by pipeline welding, and slideway front end sets some suspension centres, and rope one end is fixed on suspension centre
On, the other end is fixed on the second platform by some assembly pulleys and electric block on door type frame；Slideway front end bottom is set
Put the colter diagonally downward that steel plate is welded.Described slideway integrally uses the strip-shaped frame of pipeline welding, and inside is by horizontal stroke
Beam is supported, and diagonal brace is used as using angle steel between crossbeam；Slideway front end bottom sets the plough diagonally downward that steel plate is welded
Head；Pipeline loop wheel machine is also set up on described buoyancy tank, is placed in for lifting by crane siphon piping in slideway, pipeline loop wheel machine is set including top
There are the vertical suspension rod of pulley and movable hanger rod, movable hanger rod bottom is hinged on the second platform, and elevator is additionally provided with the second platform
Machine, ropes pass through hoist engine and the pulley at top.
Described pipe string platform, it is characterised in that the mesa base uses enclosing square casing, on casing both sides
Semicircular indentations corresponding to side's setting, O-ring seal is set along semicircular indentations edge；Casing top sets water inlet；In casing
Bottom position is additionally provided with immersible pump and waterproof power supply, and immersible pump delivery port pipeline stretches out casing from casing top.Described case
Hanger is additionally provided with the top of body, facilitates hanging device to sling the floating platform.
Described siphon piping water intake transporting and hoisting is with regard to bit platform, it is characterised in that the platform includes the 3rd floating body, the
Three rectangle truss, the 3rd platform and lifting bracket：3rd floating body is two, using del steelframe, in steelframe
Be horizontally disposed with some parallel floating drums along steelframe, the floating drum at the 3rd floating body center is more than two side floats, between floating drum close-packed arrays and
Independently of each other, current are convenient circulates between floating drum, convenient to adjust the platform center of gravity of work the 3rd and lift the anti-of the platform of work the 3rd
Unrestrained grade；3rd rectangle truss is set at the top of the 3rd floating body, the 3rd rectangle truss side correspondence position is connected by steelframe, and the
3rd platform of concave character type is set on three rectangle truss；Parallel erection lifting bracket on 3rd platform, lifting bracket top are set
Suspension centre, fixed pulley is set at suspension centre；Link position installs hoist engine, hoist engine and the warp on the lifting bracket of front end on 3rd platform
The rope connection of fixed pulley is crossed, posterior lifting bracket rope is connected with bottle gouard moved by hands or electric block.Set on the outside of 3rd floating body
The simple dynamical system of diesel engine propeller is put, convenient the 3rd platform that works moves in water.
The inland lake water intaking siphon piping installation method of the present invention, beneficial effect are mainly reflected in the following aspects：
Using self-control buoyancy tank, solves underwater channel excavation, the problems such as fortune pipe waterborne, assembly operation platform and immersed tube；Designed, designed support
As water intake lifting, positioning tool, solve to use engineering ship away from embankment water intake conduit installation operation at sea difficulty, saving
High cost, while solve the problems, such as inland without engineering ship；Strut, behaviour are used as by the use of water intake conduit self-strength
Make simplicity, expense is low.
Brief description of the drawings
Fig. 1 is the structural representation of siphon piping construction working platform of the present invention；
Fig. 2 is the structural representation of slideway platform for lining of the present invention；
Fig. 3 is structural representation of the inventive pipeline group to platform；
Fig. 4 is structural representation of the siphon piping water intake transporting and hoisting of the present invention with regard to bit platform.
Embodiment
Embodiment 1：The present embodiment is applied to inland lake water intaking siphon piping installation, and specific method is：In land platform
Siphon piping construction working platform, is put into water, and be siphon piping by upper making siphon piping construction working platform with crane
Construction working platform sets dynamical system；Digging machine is opened to positioning on the floating platform of conjoined structure and fixed；Utilize floating platform
On dynamical system and the telescopic arm of digging machine platform be moved to water intake design attitude confirm that axial location is correct, then will be solid
Fixed support puts down support in seabed；Digging machine starts pipe trench excacation, and the order for excavating pipe trench is shallow after first depth；Seabed pipe trench excavates
After the completion of floating platform is moved to bank, be transferred from digging machine.The fixed support on siphon piping construction working platform is removed, by it
Repack slideway platform for lining into, one group of mobile slideway of fabrication and installation on the basis of the side axis line of pipe, slideway is connected with two groups of pulleys
It is connected on the door type frame of slideway platform for lining, termination controls the lifting of its balladeur train with bangle, and it is deep to observe the drinking water of ditch cleaning scale at any time
Degree；The pipe string platform of one adjustable-angle is installed above slideway platform for lining termination.Siphon elbow and siphon head peace
Loaded in box hat, and pipeline enters to faucal soldering and sealing is tight, and the outer glue tank concrete of box hat forms anchor block；With crane by anchor block and siphon
Head be placed in siphon piping water intake transporting and hoisting with regard to bit platform among, the slideway front end of slideway platform for lining is hung in siphon pipe
Before road water intake transporting and hoisting is with regard to bit platform, the slideway front end on slideway platform for lining is hung in the transport of siphon piping water intake and hung
Fill below with regard to bit platform, slideway platform for lining and siphon piping water intake transporting and hoisting are connected with regard to bit platform, use hoist engine
Siphon piping is sent into it is marine, after being transported to siphon head installation site, adjustment orientation sink to it is marine.Siphon pipe group to rear lower water,
The pipeline for treating group pair is placed in the slideway of siphon piping slideway platform for lining about at l/3, and pipeline is corrected to siphon piping
On axis, anchor ear is set on slideway, pipeline is embraced firmly in group on frame, with the pipeline on siphon piping slideway platform for lining
Another pipeline is hung on slideway and is grouped by loop wheel machine, group two pipe welding simultaneously to after.After welding, anchor ear is unclamped,
Pipeline is sling with the door type frame on slideway, then carries out assembling next section of pipeline section.Immersed tube after blotter construction, underwater siphon pipe
Road installation, and connected with land section, coordinated with digging machine and crane and backfilled after rubble on the bank is transported to position；It is assembled in slideway
Platform slideway head bottom part installs sliding plough, allows sliding plough to put down backfilling of pipe canal, pipe laying.The underwater segment pipe of final stage is attached to design
Absolute altitude is specified, when underwater segment pipe docks with land segment pipe, then carries out concrete water-retaining wall construction, to form cofferdam, is used
Dry method welding technology is completed to touch a mouthful operation.
Described siphon piping construction working platform, it is characterised in that the platform includes the first floating body 1-1, the first rectangle purlin
Frame 1-2 and the first platform 1-3：The first floating body 1-1 is two, horizontal in steelframe interior edge steelframe using del steelframe
Some parallel floating drums are set, and central pontoon is more than two side floats, close-packed arrays and independently of each other between floating drum；First floating body 1-1
Top sets the first rectangle truss 1-2, and the first rectangle truss 1-2 centers are connected by steelframe, and are set on the first rectangle truss 1-2
Put the crawler belt work backing plate that two row are advanced for excavating machinery that be arranged in parallel on the first platform 1-3, the first platform 1-3 of H types
1-4；First tetra- jiaos of platform 1-3 sets fixed support 1-5 vertically downward, and fixed support bottom is taper；Set on the outside of floating body 1-1
Put the simple dynamical system of diesel engine propeller.
Described slideway platform for lining, it is characterised in that the platform is made up of buoyancy tank, door type frame and slideway and colter, is floated
Case 2-1 is made up of the second floating body, the second rectangle truss and the second platform：Second floating body is two, using del steel
Frame, some parallel floating drums are horizontally disposed with steelframe interior edge steelframe；Second rectangle truss, the second rectangle are set at the top of the second floating body
Truss side correspondence position is connected by steelframe, and the second platform of concave character type is set on the second rectangle truss；Door type frame 2-2 is set
It is placed in above the second platform breach, slideway 2-3 is formed by pipeline welding, and slideway front end sets some suspension centres, and rope one end is fixed
On suspension centre, the other end is fixed on the second platform by some assembly pulleys and electric block on door type frame；Slideway front end
Bottom sets the colter 2-4 diagonally downward that steel plate is welded.Described slideway 2-3 integrally uses the bar-shaped frame of pipeline welding
Frame, inside are supported by crossbeam, and diagonal brace is used as using angle steel between crossbeam；Slideway 2-3 front ends bottom sets steel plate to be welded
Colter 2-4 diagonally downward；Pipeline loop wheel machine 2-5 is also set up on described buoyancy tank 2-1, slideway is placed in for lifting by crane siphon piping
In 2-3, pipeline loop wheel machine is provided with the vertical suspension rod of pulley and movable hanger rod including top, and movable hanger rod bottom is hinged on the second platform
On, hoist engine is additionally provided with the second platform, ropes pass through hoist engine and the pulley at top.
Described pipe string platform, it is characterised in that the mesa base uses enclosing square casing 3-1, in casing 3-1
Semicircular indentations corresponding to being set above both sides, O-ring seal 3-2 is set along semicircular indentations edge；Set at the top of casing 3-1
Water inlet 3-3；The inner bottom part position of casing 1 is additionally provided with immersible pump 3-4 and waterproof power supply, and immersible pump 3-4 delivery ports pipeline is from case
Casing 3-1 is stretched out at the top of body 3-1.Hanger is additionally provided with the top of described casing 3-1, facilitates hanging device to sling the floating platform.
Described siphon piping water intake transporting and hoisting is with regard to bit platform, it is characterised in that the platform include the 3rd floating body 4-1,
3rd rectangle truss 4-2, the 3rd platform 4-3 and lifting bracket 4-4：The 3rd floating body 4-1 is two, using del
Steelframe, some parallel floating drums being horizontally disposed with steelframe interior edge steelframe, the floating drum at the 3rd floating body 4-1 centers is more than two side floats,
Close-packed arrays and independently of each other between floating drum, current are convenient to circulate between floating drum, convenient to adjust the platform 4-3 centers of gravity of work the 3rd and carry
Rise the platform 4-3 of work the 3rd anti-unrestrained grade；3rd rectangle truss 4-2, the 3rd rectangle truss 4- are set at the top of the 3rd floating body 4-1
2 side correspondence positions are connected by steelframe, and the 3rd platform 4-3 of concave character type is set on the 3rd rectangle truss 4-2；3rd platform
Suspension centre is set at the top of 4-3 upper parallel erection lifting bracket 4-4, lifting bracket 4-4, fixed pulley 4-5 is set at suspension centre；3rd platform
The rope by fixed pulley 4-5 on the upper link position installation hoist engine 4-6, hoist engine 4-6 and front end lifting bracket 4-4 of 4-3
Connection, the posterior rope of lifting bracket 4 are connected with bottle gouard moved by hands or electric block.Diesel engine spiral shell is set on the outside of the 3rd floating body 4-1
The simple dynamical system of oar is revolved, convenient the 3rd platform 4-3 that works is moved in water.
Claims (3)
- The siphon piping installation method 1. inland lake is fetched water, including section constructing method and underwater section constructing method on road, land section Routinely construction method is constructed, i.e., according to channel excavation, pipe string, pipeline welding, pipe laying backfill, road surface recover, connect Manage, touch the processes such as mouth, backfill, section constructing method waterborne is characterised byImplement according to the following steps：Excavate pipe trench：Siphon piping construction working platform is made on the platform of land, is put down siphon piping construction working with crane Platform is put into water, and sets dynamical system for siphon piping construction working platform；Digging machine is opened to the floating platform of conjoined structure Upper positioning is fixed；It is true that platform is moved to water intake design attitude using the dynamical system on floating platform and the telescopic arm of digging machine It is correct to recognize axial location, fixed support is then put down into support in seabed；Digging machine starts pipe trench excacation, excavates the order of pipe trench To be shallow after first depth；Floating platform is moved to bank after the completion of the pipe trench excavation of seabed, is transferred from digging machine；Siphon piping is assembled：The fixed support on siphon piping construction working platform is removed, is adapted into slideway platform for lining, One group of mobile slideway of fabrication and installation on the basis of the side axis line of pipe, slideway is connected to two groups of pulleys the door of slideway platform for lining In type frame, termination controls the lifting of its balladeur train with bangle, observes ditch cleaning scale draft at any time；In slideway platform for lining termination Top is installed by the pipe string platform of one adjustable-angle；Siphon head positioning lifting：Siphon elbow and siphon head are installed in box hat, and pipeline entered into faucal soldering and sealing tight, box hat Outer glue tank concrete forms anchor block；Anchor block and siphon head are placed in siphon piping water intake transporting and hoisting with regard to bit platform with crane Centre, it is before the slideway front end of slideway platform for lining is hung in siphon piping water intake transporting and hoisting with regard to bit platform, slideway is assembled Slideway front end on platform be hung in siphon piping water intake transporting and hoisting with regard to bit platform below, slideway platform for lining and siphon piping Water intake transporting and hoisting is connected with regard to bit platform, is sent into siphon piping with hoist engine marine, is transported to siphon head installation position Postpone, adjustment orientation sinks to marine；Underwater immersed tube installation：The pipeline for treating group pair is placed in the cunning of siphon piping slideway platform for lining to rear lower water by siphon pipe group Road corrects pipeline to the axis of siphon piping about at l/3, and anchor ear is set on slideway, and pipeline is embraced firmly in group pair On frame, another pipeline is hung on into slideway with the pipeline loop wheel machine on siphon piping slideway platform for lining and is grouped, group is to finishing Two pipe welding simultaneously afterwards；After welding, anchor ear is unclamped, is sling pipeline with the door type frame on slideway, then carry out assembling next section of pipeline section；Backfill：Immersed tube after blotter construction, underwater siphon piping installation, and connected with land section, with digging machine and crane Cooperation backfills after rubble on the bank is transported to position；Sliding plough is installed in slideway platform for lining slideway head bottom part, allows and slides plough by pipe trench Backfill is flat, pipe laying；Land segment pipe touches mouth with underwater segment pipe：The underwater segment pipe of final stage is attached to design and specifies absolute altitude, underwater section pipe When road docks with land segment pipe, then concrete water-retaining wall construction is carried out, to form cofferdam, complete to touch using dry method welding technology Mouth operation.
- The siphon piping installation method 2. inland lake as claimed in claim 1 is fetched water, it is characterised in that during excavating pipe trench, Cable rope is added on buoyancy tank.
- The siphon piping installation method 3. inland lake as claimed in claim 1 is fetched water, it is characterised in that utilized in work progress Sopwith staff checks that bottom of trench digs deep feeling condition, moves fixed support and cutting depth using small boat, diver plunges into the commercial sea after the completion of excavation Check and determine cutting depth and width, next process is carried out after acceptance(check).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710687749.1A CN107830244B (en) | 2017-08-11 | 2017-08-11 | Inland lake water intaking siphon piping installation method |
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| CN201710687749.1A CN107830244B (en) | 2017-08-11 | 2017-08-11 | Inland lake water intaking siphon piping installation method |
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| CN113235657A (en) * | 2021-04-30 | 2021-08-10 | 四川水建建设工程有限公司 | Heavy-caliber immersed tube assembly and immersed tube method |
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| CN113235657B (en) * | 2021-04-30 | 2022-11-08 | 中国水利水电第十二工程局有限公司 | Heavy-caliber immersed tube assembly and immersed tube method |
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| Publication number | Publication date |
|---|---|
| CN107830244B (en) | 2019-04-12 |
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