CN205917751U - Thick clay layer device that fetches earth - Google Patents
Thick clay layer device that fetches earth Download PDFInfo
- Publication number
- CN205917751U CN205917751U CN201620580959.1U CN201620580959U CN205917751U CN 205917751 U CN205917751 U CN 205917751U CN 201620580959 U CN201620580959 U CN 201620580959U CN 205917751 U CN205917751 U CN 205917751U
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- Prior art keywords
- blade
- thick
- slag fishing
- fishing cylinder
- thick bamboo
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Abstract
The utility model discloses a thick clay layer device that fetches earth for the bridge construction practice field, include the dowel steel and establish dowel steel bottom drag for a sediment section of thick bamboo, the bottom nozzle inboard of dragging for a sediment section of thick bamboo is equipped with a plurality of blades, each the blade all adopts the hinge and drags for the section of thick bamboo wall connection of a sediment section of thick bamboo, makes the blade open or tightly to drag for sediment section of thick bamboo inner wall to side oscillation subsides in dragging for a sediment section of thick bamboo to swing outside dragging for a sediment section of thick bamboo, and the bottom of dragging for a sediment section of thick bamboo is equipped with can be supported respectively blade and the gravity that makes the blade close the bottom nozzle that drags for a sediment section of thick bamboo are buckled. The utility model discloses a sediment section of thick bamboo is dragged for as fetching earth, deposit native container to the use, and it is efficient to fetch earth, occupies in vain with little, has overcome shortcomings such as the sticky thick clay layer of bridge deep water basis cofferdam construction crowning uses the air suction dredge of conventionality to inhale the mud difficulty, inhales the mud cycle length, auxiliary assembly is many. In addition, high plasticity such as silty clay, silty clay clay and other soil layers also can be excavated.
Description
Technical field
This utility model is used for technical field of bridge construction, more particularly to a kind of thick-bedded clay drawing out soil equipment.
Background technology
In recent years, just in Large scale construction traffic network, bridge is as a kind of common leap rivers,lakes and seas for China various places
Version also can be through frequently with constructing a bridge in the coastal and navigable river of hinterland big on every traffic network
Part considers that navigation requires, and base form is often designed as low pile cap, therefore relates to deep water cofferdam construction also increasingly
Many, in water, pier deep basal pit fetches earth under water as the critical process in deep water cofferdam construction is a class in face of bridgebuilder for the pendulum
Topic.And in conventional water Steel Sheet Pile cofferdam construction, according to different steel sheet-pile cofferdam design forms and construction condition
Airlift suction dredger, long-armed digging machine can be taken, grab the equipment such as bucket and fetched earth.
Airlift suction dredger fetches earth: airlift suction dredger is mainly made up of air compressor, dredging tube, bellows chamber, airduct etc..Fetch earth
Principle is to convey enough air quantity by air compressor to enter in the bellows chamber of ooze sucker, and high velocity air passes through on dredging tube in bellows chamber
Aperture enters the mixture forming muddy water and air in dredging tube, and the suction producing in ooze sucker bottom negative pressure is by silt particle, stone
Block and water are continuously discharged outside cofferdam in company with high pressure draught, reach the effect fetching earth.Airlift suction dredger leads to during inhaling mud
Cross the mobile dredging tube of loop wheel machine to inhale mud in cofferdam and must reach certain depth of water to inhaling mud position, airlift suction dredger, the depth of water is deeper
The negative pressure producing is also bigger, and the effect that fetches earth is better.During clear base, note keeping water level inside and outside cofferdam unanimously, to adopt if necessary
Water pump moisturizing, prevents founding from affecting clear base effect, this suction mud equipment is applied to the high sand of water penetration, cobble and Mud Ground and takes
Soil.
High-front shovel fetches earth: sets up long-armed digging machine work platformses after the completion of steel sheet-pile cofferdam inserting piling on cofferdam, excavates
Machine directly fetches earth in foundation ditch on work platformses.
Grab bucket to fetch earth: grabbing bucket is that domestic at present one kind relatively commonly using adopts bricklayer's's tool, mainly movable by two
Jaw lobe constitute, two jaw lobe tops are connected by an iron chains, and when iron chains is suspended on the hook of steel cord ends, two jaw lobes are in
Open state, once touching seabed (or river bed), hook hammer tip is sagging to bottom sampler and iron chains breaks off relations, when bottom sampler above carries,
By the pulling force to crossbeam for the hook, connect the steel wire rope tension of two jaw lobes, make two jaw lobe closures, deposit is taken into, mud will be grabbed
Bucket proposes, outside cofferdam, institute's mud to be drawn off.Grab bucket to may be installed in crawler crane or the large arm of crane barge.
The shortcoming of prior art:
(1) the airlift suction dredger construction shortcoming in the construction of water Steel Sheet Pile cofferdam suction mud:
1st, airlift suction dredger needs to reach certain depth of water when inhaling mud, could be by muddy water after producing enough pressure in bellows chamber
Mixture is excluded from dredging tube, therefore inapplicable for the shallower foundation ditch of the depth of water.
2nd, the mud principle of inhaling of airlift suction dredger is to be formed silt particle, stone and air using the negative pressure that air produces under water
Mixing is discharged, and strong viscosity clay has stronger cohesive force, and the pressure that air produces is difficult to disperse soil layer, therefore inhales mud effect
Rate is very low, can greatly increase suction mud cost, and affect engineering progress speed.
3rd, the muddy water of airlift suction dredger dredging tube high speed discharge and air mixture are most of when discharging outside mud tube is in water
Vaporific it is difficult to collect, mud be directly discharged in the river course in understand water body is polluted.
(2) high-front shovel that water Steel Sheet Pile cofferdam is inhaled in mud construction fetches earth construction shortcoming:
Carry out water Steel Sheet Pile cofferdam foundation ditch using long-armed digging machine to fetch earth, digging machine work platformses, meeting need to be set up on cofferdam
Increase unnecessary expensess, increased the cost of construction.
Long-armed digging machine is subject to site influence larger on work platformses, malfunction.By in steel pile casting, cofferdam in foundation ditch
The restriction of the factors such as support leads to corner areas to be difficult to clean up, and needs airlift suction dredger or other equipment cooperation to fetch earth.
The long-armed digging machine depth that fetches earth on work platformses is limited, just cannot fetch earth beyond big arm lengths.
(3) bucket of grabbing that water Steel Sheet Pile cofferdam is inhaled in mud construction fetches earth construction shortcoming:
1st, grabbing bucket needs to be contained in crawler crane or crane barge large arm, needs to increase crawler crane or crane barge, can increase many
Remaining expensess, increased the cost of construction.
2nd, grab bucket construction requisite space larger, affected to apply by the factor such as steel pile casting, cofferdam inner support in foundation ditch
Work.
Utility model content
Fetch earth problem to solve the said equipment thick-bedded clay in water Steel Sheet Pile cofferdam construction, improve soil extracting efficiency,
Reduce construction cost, this utility model provides a kind of thick-bedded clay drawing out soil equipment.
This utility model solves its technical problem and be the technical scheme is that a kind of thick-bedded clay drawing out soil equipment, including
Dowel steel and the slag fishing cylinder being located at described dowel steel bottom, are provided with some blades, each institute inside the bottom nozzle of described slag fishing cylinder
State blade to be all connected with the barrel of slag fishing cylinder using hinge, so that blade can be opened or to inside slag fishing cylinder to side oscillation outside slag fishing cylinder
Swing is adjacent to slag fishing cylinder inwall, and the bottom of slag fishing cylinder is provided with and can prop up each described blade and make blade close the bottom cylinder of slag fishing cylinder
The gravity button of mouth.
It is further used as the improvement of technical solutions of the utility model, when each described blade closes the bottom nozzle of slag fishing cylinder,
Leak gap is left between blade and/or between the barrel of blade and slag fishing cylinder.
It is further used as the improvement of technical solutions of the utility model, described gravity button includes the weight being correspondingly arranged with each blade
Power button bar and each gravity button bar can be driven to prop up or discharge the drive mechanism of corresponding blade, it is hinged that described gravity button bar includes top
Force section outside the slag fishing cylinder barrel and supporting part propping up blade below blade can be extended when swinging in force section.
It is further used as the improvement of technical solutions of the utility model, force section and supporting part are mutually angle, and gravity button bar is in
" l " shape.
It is further used as the improvement of technical solutions of the utility model, be provided with around the bottom barrel of slag fishing cylinder some spacing
Ring, drive mechanism includes sequentially passing through each spacing ring and each gravity button bar is surrounded the pull rope of inner side and can tighten up or discharge
The traction element of pull rope, extruding force section make supporting part be rocked to below blade to prop up blade when pull rope is tightened up.
It is further used as the improvement of technical solutions of the utility model, the bottom barrel side of described slag fishing cylinder is provided with two and turns
To pulley, after pull rope sequentially passes through each spacing ring, two ends bypass angle pulley respectively and draw upwards, described traction element bag
Include the air pump switch being located on described dowel steel and being connected with the two ends of pull rope.
It is further used as the improvement of technical solutions of the utility model, stiffener is passed through with slag fishing cylinder even in described dowel steel bottom
Connect, dowel steel includes some section joint steel pipes, is attached using ring flange between joint steel pipe.
It is further used as the improvement of technical solutions of the utility model, described stiffener is connected with safety rope.
It is further used as the improvement of technical solutions of the utility model, described slag fishing cylinder adopts round steel cylinder, each blade is using cutting
It is slit into the steel blade of sector.
The beneficial effects of the utility model: when this utility model uses, gravity is buckled against blade and is allowed to the side into cylinder therewith
To rotation, horizontal, dowel steel force slag fishing cylinder press-in thick-bedded clay, blade now in shape obliquely, fill and drag for by clay
After slag cylinder, slowly lift drawing out soil equipment, the clay in drawing out soil equipment wants slide downward due to the weight of itself, and sliding pressure under the soil body obtains
Blade rotate down horizontal, gravity buckle make drawing out soil equipment cylinder bottom close, to reach the purpose that fetches earth, unload soil
When, pull rope is unclamped in air pump switch inflation, and gravity button unclamps, blade due in cylinder the effect of soil body weight continue to rotate down and make to drag for
The nozzle of slag cylinder is fully open, the clay in exclusion slag fishing cylinder.This utility model is used slag fishing cylinder as fetching earth, deposit soil container,
Soil extracting efficiency is high, take empty with little, the thick-bedded clay overcoming high viscosity in bridge deepwater foundation cofferdam construction is using routine
Airlift suction dredger inhales the shortcomings of mud is difficult, suction mud cycle length, auxiliary equipment are many.Additionally, the high-ductility such as silt clay, silty clay
Property clay and other soil layers can also excavate.
Brief description
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is this utility model front view;
Fig. 2 is this utility model top view.
Specific embodiment
With reference to Fig. 1, Fig. 2, that show the concrete structure of the preferred embodiment of this utility model.Will be detailed below
The construction featuress of each element of this utility model, and during if there are being described to direction (upper and lower, left and right, before and after), be with Fig. 1
Shown structure is with reference to description, but actually used direction of the present utility model is not limited thereto.
This utility model provides a kind of thick-bedded clay drawing out soil equipment, including dowel steel 1 be located at described dowel steel 1 bottom
Slag fishing cylinder 2, slag fishing cylinder 2 rolls into diameter 1200mm steel cylinder using 16mm steel plate.Set inside the bottom nozzle of described slag fishing cylinder 2
There are some blades 3, each blade 3 is using the steel blade cutting into sector.Each described blade 3 is all using the cylinder of hinge and slag fishing cylinder 2
Wall connects, and so that blade 3 can be opened to the outer side oscillation of slag fishing cylinder 2 or be adjacent to slag fishing cylinder 2 inwall to side oscillation in slag fishing cylinder 2, drags for
The bottom of slag cylinder 2 is provided with and can prop up each described blade 3 and so that the gravity that blade 3 closes the bottom nozzle of slag fishing cylinder 2 is buckled.Each described
When blade 3 closes the bottom nozzle of slag fishing cylinder 2, leave between leak between blade 3 and/or between the barrel of blade 3 and slag fishing cylinder 2
Gap, blade 3 is fabricated to fan-shaped and not completely closed, can eliminate negative pressure in cylinder when fetching earth, thus reaching the purpose of draining of fetching earth.
Described gravity button is included the gravity button bar 4 being correspondingly arranged with each blade 3 and each gravity button bar 4 can be driven to prop up or release
Be rivals in a contest and answer the drive mechanism of blade 3, described gravity button bar 4 include top be articulated with force section outside slag fishing cylinder 2 barrel and
Force section can extend blade 3 lower section and prop up the supporting part of blade 3 when swinging.Force section and supporting part are mutually angle, gravity button
Bar 4 is in " l " shape.
Be provided with some spacing rings around the bottom barrel of slag fishing cylinder 2, drive mechanism include sequentially passing through each spacing ring and incite somebody to action
Each gravity button bar 4 surrounds the pull rope 5(steel wire rope of inner side) and can tighten up or discharge the traction element 6 of pull rope 5, pull rope
5 extrude force section and so that supporting part is rocked to blade 3 lower section and prop up blade 3 when tightening up.The bottom barrel one of described slag fishing cylinder 2
Side is provided with two angle pulleies 7, and after pull rope 5 sequentially passes through each spacing ring, two ends bypass angle pulley 7 respectively and draw upwards,
Angle pulley 7 can prolonging service life of steel wire guarantee that work progress is safe and reliable, described traction element 6 includes being located at described
The air pump switch being connected on dowel steel 1 and with the two ends of pull rope 5, pull rope 5 uses two ends symmetrical, can reduce air pump and open
Close stroke, improve the precision of steel hinge switch.It is respectively provided with steel wire rope limiter 8 up and down it is ensured that steel wire rope in dowel steel 1
Stress is vertical all the time;Control stretching and the contraction of steel wire rope using air pump switch, thus reaching the mesh of slag fishing cylinder 2 blade switch
's.
Described dowel steel 1 bottom is connected with slag fishing cylinder 2 by stiffener 9, and dowel steel 1 includes some section joint steel pipes, even
Connect steel pipe and adopt diameter 350mm, wall thickness 22mm seamless steel pipe, every 6m mono- saves, be attached with ring flange, by method between often saving
Blue disk connects, and carries out spelling according to different suction mud depth, thus the suction mud being suitable for different depth requires.Take also dependent on needs
The depth of soil is welded into one whole.
Thick clay fetch earth construction operation when:
(1) clamp drawing out soil equipment top dowel steel 1 center using single clip pincers hydraulic pressure dz-40 vibration hammer after crawler crane is in place
Reinforcing plate, and the insurance steel cable 10 in slag fishing cylinder 2 is caught on crane hook, insurance steel cable 10 can tackle dowel steel flange
Disk comes off and leads to slag fishing cylinder to fall into the situation in mud to sling drawing out soil equipment;Air pump switch pumping makes pull rope tensioning, makes gravity button
Drawing out soil equipment barrel is close in force section, and gravity button supporting part props up blade and is allowed to rotate to direction in cylinder therewith, horizontal;Hang
Machine slowly transfers to drawing out soil equipment in cofferdam needs position riverbed face of fetching earth.
(2) drawing out soil equipment squeezes into thick-bedded clay by dz-40 hydraulic vibration driver after reaching riverbed face, fills viscous up to steel cylinder
Soil, blade now, in shape obliquely, starts vibration hammer cooperation crawler crane and slowly lifts drawing out soil equipment, viscous in drawing out soil equipment
Soil wants slide downward due to the weight of itself, under the soil body sliding pressure obtain blade 3 rotate down horizontal, gravity button support
Drawing out soil equipment cylinder bottom is made to close, to reach the purpose that fetches earth in portion.
(3) crawler crane fuselage rotates and goes to above mud carrier by the drawing out soil equipment filling soil, and air pump switch inflation is unclamped
Pull rope 5, gravity button bar 4 unclamps, blade 3 due in cylinder the effect of soil body weight continue to rotate down and make nozzle fully open, point
Shake dz-40 hydraulic vibration driver, and the clay in inder pot is dragged in exclusion.
(4) air pump switch pumping makes pull rope tensioning, makes gravity button bar 4 force section be close to drawing out soil equipment barrel, gravity button
Bar 4 supporting part props up blade and is allowed to rotate to direction in cylinder therewith, horizontal fetch earth again, repeat above-mentioned action, until enclose
Fetch earth in the foundation ditch of weir to designed elevation, because clay viscosity is strong, the substrate after being fetched earth using drawing out soil equipment assumes hollow shape, arranges
Diver to bottom of foundation ditch underwater cleaning, until smooth.
This utility model is simple with material compared with traditional suction dredge, definite functions, and material all can make assembly at the scene, should
Equipment can preferably adapt to high viscosity clay than traditional suction dredge, and once fetch earth that the time-consuming short, amount of fetching earth is big, fetch earth uniformly, unload
Soil is thoroughly;Mud product inhaled by traditional suction dredge is mud mixture, and the present invention product that fetches earth becomes bulk can preferably reclaim transport,
Ensure live civilized construction.
Directly existing waterborne traffic accident can be utilized with the high-front shovel present invention compared with construction that fetches earth, need not be on cofferdam
Set up digging machine work platformses, and adapt to setting inner support in cofferdam or the too deep long-armed digging machine in cofferdam cannot excavate asking of fetching earth
Topic.
Fetch earth compared with construction with grabbing bucket, the working space needed for this device is little, be not subject to steel pile casting in cofferdam, in cofferdam
The impact of support.
In a word, this utility model can improve suction mud efficiency, accelerating construction progress, save construction cost, feature of environmental protection Gao Bingneng
Ensure live civilized construction.
Certainly, the invention is not limited to above-mentioned embodiment, and those of ordinary skill in the art are without prejudice to this
Equivalent variations or replacement also can be made, these equivalent modifications or replacement are all contained in the application on the premise of utility model spirit
In claim limited range.
Claims (9)
1. a kind of thick-bedded clay drawing out soil equipment it is characterised in that: include dowel steel and be located at the slag fishing cylinder of described dowel steel bottom,
It is provided with some blades, each described blade is all connected with the barrel of slag fishing cylinder using hinge inside the bottom nozzle of described slag fishing cylinder,
So that blade can be opened to side oscillation outside slag fishing cylinder or be adjacent to slag fishing cylinder inwall to side oscillation in slag fishing cylinder, the bottom of slag fishing cylinder is provided with
Each described blade can be propped up and make blade close the gravity button of the bottom nozzle of slag fishing cylinder.
2. thick-bedded clay drawing out soil equipment according to claim 1 it is characterised in that: each described blade closes the bottom of slag fishing cylinder
During portion's nozzle, between blade and/or between the barrel of blade and slag fishing cylinder, leave leak gap.
3. thick-bedded clay drawing out soil equipment according to claim 1 it is characterised in that: described gravity button includes and each blade pair
The gravity button bar that should arrange and each gravity button bar can be driven to prop up or discharge the drive mechanism of corresponding blade, described gravity button bar bag
Include can extend when top is articulated with the force section outside slag fishing cylinder barrel and swings in force section and below blade, prop up blade
Supporting part.
4. thick-bedded clay drawing out soil equipment according to claim 3 it is characterised in that: force section and supporting part are mutually angle,
Gravity button bar is in " l " shape.
5. thick-bedded clay drawing out soil equipment according to claim 3 it is characterised in that: be provided with around the bottom barrel of slag fishing cylinder
Some spacing rings, drive mechanism includes sequentially passing through each spacing ring and each gravity button bar is surrounded the pull rope of inner side and can receive
The traction element of tight or release pull rope, extruding force section make supporting part be rocked to prop up below blade when pull rope is tightened up
Blade.
6. thick-bedded clay drawing out soil equipment according to claim 5 it is characterised in that: the bottom barrel side of described slag fishing cylinder
It is provided with two angle pulleies, after pull rope sequentially passes through each spacing ring, two ends bypass angle pulley respectively and draw upwards, described
Traction element includes the air pump switch being located on described dowel steel and being connected with the two ends of pull rope.
7. thick-bedded clay drawing out soil equipment according to claim 1 it is characterised in that: described dowel steel bottom pass through stiffener
It is connected with slag fishing cylinder, dowel steel includes some section joint steel pipes, is attached using ring flange between joint steel pipe.
8. thick-bedded clay drawing out soil equipment according to claim 7 it is characterised in that: be connected with insurance on described stiffener
Rope.
9. thick-bedded clay drawing out soil equipment according to claim 1 it is characterised in that: described slag fishing cylinder adopt round steel cylinder, respectively
Blade is using the steel blade cutting into sector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620580959.1U CN205917751U (en) | 2016-06-15 | 2016-06-15 | Thick clay layer device that fetches earth |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620580959.1U CN205917751U (en) | 2016-06-15 | 2016-06-15 | Thick clay layer device that fetches earth |
Publications (1)
Publication Number | Publication Date |
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CN205917751U true CN205917751U (en) | 2017-02-01 |
Family
ID=57876915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620580959.1U Expired - Fee Related CN205917751U (en) | 2016-06-15 | 2016-06-15 | Thick clay layer device that fetches earth |
Country Status (1)
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CN (1) | CN205917751U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110952920A (en) * | 2019-12-24 | 2020-04-03 | 青海岩土工程勘察咨询有限公司 | Drilling device for square hole |
CN115045279A (en) * | 2022-06-07 | 2022-09-13 | 山东中铁路桥工程有限公司 | Soil sampler for cleaning sundries in steel casing |
-
2016
- 2016-06-15 CN CN201620580959.1U patent/CN205917751U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110952920A (en) * | 2019-12-24 | 2020-04-03 | 青海岩土工程勘察咨询有限公司 | Drilling device for square hole |
CN115045279A (en) * | 2022-06-07 | 2022-09-13 | 山东中铁路桥工程有限公司 | Soil sampler for cleaning sundries in steel casing |
CN115045279B (en) * | 2022-06-07 | 2024-01-30 | 山东中铁路桥工程有限公司 | Soil sampler for cleaning sundries in steel protective cylinder |
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Legal Events
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---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20210615 |
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CF01 | Termination of patent right due to non-payment of annual fee |