CN105040701A - Water spraying type distribution hopper device for lattice type steel plate pile cofferdam - Google Patents

Water spraying type distribution hopper device for lattice type steel plate pile cofferdam Download PDF

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Publication number
CN105040701A
CN105040701A CN201510540266.XA CN201510540266A CN105040701A CN 105040701 A CN105040701 A CN 105040701A CN 201510540266 A CN201510540266 A CN 201510540266A CN 105040701 A CN105040701 A CN 105040701A
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water
funnel
platform
lattice
steel sheet
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CN105040701B (en
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任伟勤
姚坤
易世森
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Sinohydro Bureau 7 Co Ltd
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Sinohydro Bureau 7 Co Ltd
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Abstract

The invention discloses a water spraying type distribution hopper device for a lattice type steel plate pile cofferdam. The water spraying type distribution hopper device for the lattice type steel plate pile cofferdam is composed of a platform, a pumping and draining system and a conical body discharging hopper. The platform comprises a floating body mechanism, a support bearing the conical body discharging hopper and a hand rail. The floating body mechanism is fixed through a rebar frame and a steel pipe frame. A formed cavity is used for fixing the conical body discharging hopper. The axis of the funnel and the axis of a water pipe spraying nozzle with the lower portion connected with a water pump water outflow pipe coincide with the vertical line of the gravity center of the platform. The pumping and draining system comprises a water pump, a water inflow/outflow pipe and a water outflow pipe spraying nozzle. Short steel pipes are evenly welded to the end round pipe wall of the water outflow pipe spraying nozzle in the direction of the outer diameter. A high-pressure water pump washes sand discharged from the conical body discharging hopper through high-speed water flow jetted through the short steel pipes of the water outflow pipe spraying nozzle, uniformly washes the materials to the periphery and redistributes the materials. Filling materials can be uniformly lifted, and deformation and instability caused by unbalance pressure generated on the periphery of a steel plate pile cell body are prevented. The silt content and the content of impurities in the washed sand are low, self compaction of the sand is facilitated after balanced filling, vibration and compaction workloads during construction are reduced, and cost is saved.

Description

The water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam
Technical field:
The invention belongs to engineering machinery design field, particularly relate to lattice steel sheet-pile cofferdam lattice body sandstone filler mechanical field, the particularly water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam lattice body.
Background technology:
Lattice steel sheet-pile cofferdam has volume is little, construction is fast, utilization rate is high feature and is well used in Construction for Hydroelectric Project.The circular gravity type space enclosing structure that lattice steel sheet-pile cofferdam is made up of straight abdomen formula steel sheet pile.Steel sheet pile is connected to form closed lattice body by fore shaft, the inner Cast-in-situ Piles in Sand-filling material of lattice body, and support stable and impervious in deep water of lattice body under gravity, lattice body connects into cofferdam thus creates dry work condition.In lattice body before backfill, steel sheet pile needs to go deep into basement rock or the certain degree of depth of covering layer keeps stable.Fill in process at lattice body the equilibrium that needs to keep filling material to rise, prevent from filling suffered by steel sheet pile around lattice body the unbalanced and run-off the straight distortion of material lateral pressure.Traditional steel sheet pile lattice body filling construction program for constantly vibrating sand material to closely knit to Ge Ti center throwing, artificial or machinery by conveyor by sand material after throwing.The dam filling construction of this routine is often deposited in steel sheet pile lattice body side because sand material does level throw motion in water, easily causes lattice body to produce distortion and displacement.Secondly material stack height difference is larger, and mud content is higher, and fills leakiness, fills in process and needs more artificial, plant equipment to carry out vibration compacting to filling material.
Summary of the invention:
The invention provides the water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam, it can make the filler equilibrium when sand material fills of Deep Water Steel sheet pile cofferdam lattice body rise, stablize unshift, and can cleaning sand material avoid vibrating.
To achieve these goals, the present invention adopts following technical scheme:
The invention provides the water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam, this cloth bucket device is made up of funnel under platform, water-pumping/draining system and cone.Platform comprises the support of funnel and hand rail under buoyancy aid mechanism, carrying cone, wherein buoyancy aid mechanism comprises 8 empty oil drums and reinforcing bar circular frame, 8 empty oil drums are evenly distributed on one circumferentially, middle formation cylindrical cavity, reinforcing bar circular frame is made up of two outer reinforcing bar annulus tangent with 8 empty oil drums, two interior reinforcing bar annulus and longitudinal connecting reinforcement of being connected upper and lower reinforcing bar annulus, and platform fixedly is become entirety by fastener by empty oil drum end face, bottom surface longitudinal steel pipe up and down; Carrying cone under funnel be supported for steel framework, form with steel pipe assembly welding; Reinforcement fabrication hand rail is used above platform.Under cone, funnel is fixed on platform, its top is consistent with podium level, under cone, funnel funnel outer wall is symmetrically welded vertically to stiffener, and stiffener is reserved porose, and steel pipe forms the carrying platform of funnel under whole cone through the preformed hole on stiffener.Water-pumping/draining system comprises water inlet pipe filter screen, pump water inlet, water pump, pumping line and pumping line shower nozzle, water pump is fixed on platform top edges place, fixed by base and steel pipe and reinforcing bar, it is inner or outside that pump water inlet is placed on lattice steel sheet pile lattice body, pumping line is horizontally fixed on above the steel pipe of table top, pumping line is connected by flange bolt with pumping line shower nozzle, the termination pipe wall of pumping line shower nozzle welds short steel pipes along uniform external diameter or evenly sets out water hole.
Described empty oil drum is the empty oil drum of irony of standard 200ml.
Described hand rail is high 1.2 meters.
Under described cone, above funnel, circular open diameter is comparatively large, and diameter is platform interior diameter, below circular open diameter less, and have stiffener to reinforce to support.
The termination pipe wall of described pumping line shower nozzle welds 8 short steel pipes along uniform external diameter or evenly arranges 8 weep holes, termination is connected with outlet pipe.
The termination of described pumping line shower nozzle is by Plate Welding shutoff.
Under described cone, the center line of funnel overlaps with the center line of pumping line shower nozzle termination, and the termination of pumping line shower nozzle to be positioned under cone immediately below funnel about 50 centimeters.
Described water pump to provide the submersible pump of setting-out, bank formula centrifugal pump or other forms of pressure water supply equipment.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention can meet the requirements that Hydraulic and Hydro-Power Engineering lattice steel sheet-pile cofferdam lattice body sand material fills, and is usually used in lattice steel sheet pile lattice body sand material filling construction.High-pressure hydraulic pump in the present invention is formed with setting-out and is rinsed by the sand material fallen in funnel under cone by the short steel pipes in pumping line shower nozzle or weep hole jet water course, impure muddy water is by flowing out in aperture reserved on steel sheet pile in advance, reduce the mud content of filling sand material, improve the compactness of filler, reduce the compacting work of vibrating in later stage, sand material is dispersed simultaneously fills the stable of the lattice body kept in construction that rises.
2, particularly singly enclosing in purlin steel sheet pile lattice body filling construction, owing to singly enclosing purlin steel sheet pile lattice body bottom, not enclose purlin fixing not bery stable, more easily distortion is subjected to displacement in starting to fill, the present invention is by the surrounding being distributed to lattice steel sheet pile lattice body again of uniform filling, the filling pressure equilibrium that lattice steel sheet pile guide pile is early stage, is conducive to the stable of lattice body and is not subjected to displacement.
3, fill in construction in later period singly enclosing purlin steel sheet pile lattice body, if material stack height is excessive, space around stockpile is still very large, the displacement of lattice steel sheet pile is easily caused when stockpile caves in, and the present invention can make uniform filling rise, reduce and fill the height of abrasive cone body, efficiently solving the later stage fills the large problem of difficulty.
In sum, the present invention especially singly enclose during purlin lattice steel sheet pile fills more can guarantee to fill in the stability of lattice body, save artificial, reduce in construction the construction cost of compacting of vibrating.
Accompanying drawing illustrates:
Fig. 1 is plane structure schematic diagram of the present invention;
Fig. 2 is generalized section of the present invention;
Fig. 3 is pumping line shower nozzle sectional drawing of the present invention;
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is working condition schematic diagram of the present invention.
Reference numeral in figure:
Funnel under 1-cone, 2-pumping line shower nozzle, 3-water pump, 4-empty oil drum, 5-steel pipe, 6-reinforcing bar, 7-conveyer, 8-buoyancy tank, 9-hopper, 10-lattice steel sheet pile, 11-truss, 12-hand rail, 13-pump water inlet, 14-pumping line, 15-stiffener, 16-flange, 17-short steel pipes.
Detailed description of the invention:
Below in conjunction with embodiment, the present invention is further described, and embodiment, for illustration of the present invention, does not limit the present invention in any way.
With reference to Fig. 1-Fig. 5, the invention provides the water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam, this cloth bucket device is made up of funnel 1 under platform, water-pumping/draining system and cone.
The position of the hollow cavity that platform provides to carry funnel 1 under cone, placement and station pump 3 and pumping line 14.Platform comprises the support of funnel 1 and hand rail 12 under buoyancy aid mechanism, carrying cone.
Buoyancy aid mechanism comprises sky oil drum 4 and reinforcing bar circular frame.Empty oil drum 4 is the empty oil drums of 8 standard 200L ironys, and 8 empty oil drums of irony are evenly distributed on one circumferentially, middle formation cylindrical cavity.Reinforcing bar circular frame is in order to the fixing cylindrical cavity be made up of 8 empty oil drums 4, reinforcing bar circular frame is made up of two outer reinforcing bar annulus tangent with 8 empty oil drums 4, two interior reinforcing bar annulus and longitudinal connecting reinforcement of being connected upper and lower reinforcing bar annulus, be fixedly connected with in the horizontal direction by 8 empty oil drums 4, reinforcing bar circular frame is formed by reinforcing bar 6 assembly welding.Platform is fixedly become overall by fastener by 8 empty oil drum 4 end faces, the longitudinal steel pipes 5 in bottom surface up and down.Produce buoyancy by empty oil drum 4, the space between 8 empty oil drums 4 is stablized by welded reinforcement 6.Empty oil drum 4 in platform can be replaced by other water surface transportation by driving boxes and Ship Structure.
Under carrying cone funnel 1 be supported for steel framework, form with steel pipe 5 assembly welding, funnel 1 weight and station pump outlet pipe 14 under cone in, carrying platform upper and lower in order to fixed platform.
Above platform, make the hand rail 12 of 1.2 meters high of reinforcing bar 6, also can be that other material railings replace.
Under cone, funnel 1 is fixed on platform, under cone, funnel 1 is formed by Plate Welding, its top is consistent with podium level, circular open diameter is larger above, diameter is platform interior diameter, circular open diameter is less below, under cone, funnel 1 funnel outer wall is symmetrically welded vertically to stiffener 15, reserved porose on stiffener 15, steel pipe 5 forms the carrying platform of funnel 1 under whole cone through the preformed hole on stiffener 15, the weight of back-up sand material when carrying funnel 1 and blanking under whole cone, under cone, the size of funnel 1 and diameter can adjust according to the conveying capacity of conveyer 7 travelling belt.
Water-pumping/draining system comprises water inlet pipe filter screen, pump water inlet 13, water pump 3, pumping line 14 and pumping line shower nozzle 2.Water pump 3 is fixed on platform top edges place, is fixed by base and steel pipe 5 and reinforcing bar 6.It is inner or outside that pump water inlet 13 can be placed on lattice steel sheet pile 10 lattice body.Pumping line 14 is horizontally fixed on above the steel pipe 5 at working platform top, pumping line 14 is connected with bolt by flange 16 with pumping line shower nozzle 2, the termination of pumping line shower nozzle 2 is by Plate Welding shutoff or other mode shutoff, the termination pipe wall of pumping line shower nozzle 2 welds 8 short steel pipes 17 along uniform external diameter, the quantity of short steel pipes 17 or weep hole is greater than four, can adjust quantity and the diameter in water hole according to actual conditions.Under cone, the center line of funnel 1 overlaps with the center line of pumping line shower nozzle 2 termination, and overlap with platform center of gravity vertical line, the termination of pumping line shower nozzle 2 to be positioned under cone immediately below funnel 1 about 50 centimeters, when under cone, funnel 1 drops to pumping line shower nozzle 2 to sand material, had the current in pressure short steel pipes 17 to rinse by 8 and evenly spray feed to the surrounding in lattice steel sheet pile 10 lattice body.Water pump 3 to provide the submersible pump of setting-out, bank formula centrifugal pump or other forms of pressure water supply equipment.
In work progress, after lattice steel sheet pile 10 installs, near lattice steel sheet pile 10 lattice body, arrange buoyancy tank 8, be fixed on by truss 11 on buoyancy tank 8, conveyer 7 is arranged on truss 11, and hopper 9 is arranged on the top of conveyer 7 one end.Platform is assembled on the ground again with reinforcing bar 6, steel pipe 5, empty oil drum 4, funnel under cone 1 is fixed in platform, water pump 3 is fixed on platform simultaneously, then whole platform, water pump 3, pump water inlet 13, pumping line 14 and pumping line shower nozzle 2 is hung on the water surface in lattice steel sheet pile 10 lattice body.By pulling rope etc., platform is fixed on below conveyer 7.At the surrounding saltwater elevation place future insufficiency of lattice steel sheet pile 10 lattice body, flow out from breach to fill the mud laden water rinsed in process.
After preparation completes, start conveyer 7 by sand material from delivering to above the water jet cloth bucket device of lattice steel sheet-pile cofferdam of the present invention on the bank, start water pump 3 simultaneously, when funnel 1 under sand material is by cone drops down onto the pumping line shower nozzle 2 with 8 holes, sand material is injected into surrounding by High-Pressure Water, sand material disperseed completely and is rinsed clean, discharging through future insufficiency to the water surface in lattice steel plate lattice body 10 containing mud rolling.
This device is adopted to carry out lattice steel sheet pile 10 lattice body sand material filling construction, sand material can be rinsed, the surrounding equilibrium bottom lattice steel sheet pile 10 of filling of automatic uniform is risen, be conducive to improving early stage the stablizing of lattice steel sheet pile 10, will after sand grains cleaning, become loose shape throwing to bottom, increase compactness, reduce compacting operation of vibrating, thus reduction construction cost, reduce frequent movement in construction simultaneously and phoresy machine 7, improve filling construction efficiency.

Claims (8)

1. the water jet cloth bucket device of lattice steel sheet-pile cofferdam, is characterized in that: this cloth bucket device is made up of funnel (1) under platform, water-pumping/draining system and cone;
Platform comprises buoyancy aid mechanism, the support of funnel (1) and hand rail (12) under carrying cone, wherein buoyancy aid mechanism comprises 8 empty oil drums (4) and reinforcing bar circular frame, 8 empty oil drums are evenly distributed on one circumferentially, middle formation cylindrical cavity, reinforcing bar circular frame is by two the outer reinforcing bar annulus tangent with 8 empty oil drums (4), two interior reinforcing bar annulus and connect the longitudinal connecting reinforcement composition of upper and lower reinforcing bar annulus, empty oil drum (4) end face, platform is fixedly become overall by fastener by the steel pipe (5) of bottom surface longitudinal direction up and down, carrying cone under funnel (1) be supported for steel framework, form with steel pipe (5) assembly welding, hand rail (12) is made with reinforcing bar (6) above platform,
Under cone, funnel (1) is fixed on platform, its top is consistent with podium level, under cone, funnel (1) funnel outer wall is symmetrically welded vertically to stiffener (15), stiffener (15) is upper reserved porose, and steel pipe (5) forms the carrying platform of funnel (1) under whole cone through the preformed hole on stiffener (15);
Water-pumping/draining system comprises water inlet pipe filter screen, pump water inlet (13), water pump (3), pumping line (14) and pumping line shower nozzle (2), water pump (3) is fixed on platform top edges place, fixed by base and steel pipe (5) and reinforcing bar (6), it is inner or outside that pump water inlet (13) is placed on lattice steel sheet pile (10) lattice body, pumping line (14) is horizontally fixed on above the steel pipe (5) of table top, pumping line (14) is connected with bolt by flange (16) with pumping line shower nozzle (2), the termination pipe wall of pumping line shower nozzle (2) welds short steel pipes (17) along uniform external diameter or evenly sets out water hole.
2. the water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam according to claim 1, is characterized in that: the empty oil drum of the irony that described empty oil drum (4) is standard 200L, can replace empty oil drum (4) by other surface floating body structures.
3. the water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam according to claim 1, is characterized in that: described hand rail (12) is high 1.2 meters, can replace hand rail (12) with other material railings.
4. the water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam according to claim 1, it is characterized in that: under described cone, funnel (1) is for circular open diameter is larger above, diameter is platform interior diameter, below the less baiting structure of circular open diameter.
5. the water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam according to claim 1, is characterized in that: on the termination pipe wall of described pumping line shower nozzle (2), weld 8 short steel pipes (17) along uniform external diameter or evenly arrange 8 weep holes.
6. the water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam according to claim 1, is characterized in that: shutoff, by Plate Welding shutoff, can be carried out by other effective fixed forms in the termination of described pumping line shower nozzle (2).
7. the water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam according to claim 1, it is characterized in that: under described cone, the center line of funnel (1) overlaps with the center line of pumping line shower nozzle (2) termination, the termination of pumping line shower nozzle (2) to be positioned under cone 50 centimeters of places immediately below funnel (1).
8. the water jet cloth bucket device of a kind of lattice steel sheet-pile cofferdam according to claim 1, is characterized in that: described water pump (3) to provide the submersible pump of setting-out, bank formula centrifugal pump or other forms of pressure water supply equipment.
CN201510540266.XA 2015-08-28 2015-08-28 A kind of lattice steel sheet-pile cofferdam water jet cloth bucket device Active CN105040701B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107352651A (en) * 2017-02-10 2017-11-17 江苏美景时代环保科技有限公司 A kind of artificial ecological floating island

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520816A (en) * 1978-07-31 1980-02-14 Sumitomo Metal Ind Ltd Foundation construction method
CN2123552U (en) * 1992-06-27 1992-12-02 广东省水利水电机械施工公司 Jet for constructing underground thick wall
EP1233110B1 (en) * 2001-02-16 2006-02-22 Hochtief Aktiengesellschaft Underground seal, especially for securing an excavation
CN103758130A (en) * 2014-01-22 2014-04-30 江苏省无锡探矿机械总厂有限公司 Multi-medium ultrahigh pressure nozzle
CN203583488U (en) * 2013-11-21 2014-05-07 中国水电顾问集团北京勘测设计研究院有限公司 Spraying cooling system for reservoir asphalt concrete face
CN204875796U (en) * 2015-08-28 2015-12-16 中国水利水电第七工程局有限公司 Check type steel sheet piling cofferdam water spray formula cloth magazine attachment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520816A (en) * 1978-07-31 1980-02-14 Sumitomo Metal Ind Ltd Foundation construction method
CN2123552U (en) * 1992-06-27 1992-12-02 广东省水利水电机械施工公司 Jet for constructing underground thick wall
EP1233110B1 (en) * 2001-02-16 2006-02-22 Hochtief Aktiengesellschaft Underground seal, especially for securing an excavation
CN203583488U (en) * 2013-11-21 2014-05-07 中国水电顾问集团北京勘测设计研究院有限公司 Spraying cooling system for reservoir asphalt concrete face
CN103758130A (en) * 2014-01-22 2014-04-30 江苏省无锡探矿机械总厂有限公司 Multi-medium ultrahigh pressure nozzle
CN204875796U (en) * 2015-08-28 2015-12-16 中国水利水电第七工程局有限公司 Check type steel sheet piling cofferdam water spray formula cloth magazine attachment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107352651A (en) * 2017-02-10 2017-11-17 江苏美景时代环保科技有限公司 A kind of artificial ecological floating island
CN107352651B (en) * 2017-02-10 2023-08-04 江苏美景时代环保科技有限公司 Artificial ecological floating island

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