CN106978815B - A kind of open caisson construction device and construction method - Google Patents
A kind of open caisson construction device and construction method Download PDFInfo
- Publication number
- CN106978815B CN106978815B CN201611157606.1A CN201611157606A CN106978815B CN 106978815 B CN106978815 B CN 106978815B CN 201611157606 A CN201611157606 A CN 201611157606A CN 106978815 B CN106978815 B CN 106978815B
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- open caisson
- chain
- well body
- shaft
- cutting shoe
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- 238000010276 construction Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000002689 soil Substances 0.000 claims abstract description 24
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007921 spray Substances 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
Landscapes
- 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)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of open caisson construction device and construction methods, belong to technical field of buildings, are related to a kind of underground open caisson.It solves the problems, such as to construct in the prior art slow.This open caisson construction device and construction method, including open caisson, open caisson well body is formed by connecting from top to bottom by multistage well body, bottom open caisson lower end is provided with cutting shoe, the hole for water spraying with well body vessel unicom is provided in cutting shoe, the supply line of unicom hole for water spraying is provided in open caisson, cutting shoe lower port is provided with holder, reamer blade is set under holder, the power plant of control reamer blade rotation is provided on holder, the present invention using well body dead weight while being declined, by the pipeline that is arranged in well body, injection water washes away soil layer at cutting shoe, simultaneously soil layer is cut in the bottom nozzle of well body setting rotary reamer, accelerate the decline of open caisson.
Description
Technical field
The invention belongs to technical field of buildings, are related to a kind of open caisson, especially a kind of open caisson construction device and construction method.
Background technology
Open caisson is the works of pit shaft shape, it is sunk after overcoming borehole wall frictional resistance by its own gravity with cutting the earth in well
To designed elevation, then passes through concrete sealing bottom and clog wellhole, become the basis of Bridge Pier or other structures object.One
As construction Bridge Piers foundation pit, sewage pumping station, large equipment base, people's air defense shelter, shield assembly well, underground driveway with
It is used when the water conservancy project foundation construction enclosure device of station.However the gravity for relying only on open caisson makes the slow of well sinking, using it
His equipment stretches to deeper shaft bottom and excavates also inconvenience.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of open caisson construction device and construction
Method, this open caisson construction device and construction method are carried while being sunk using open caisson own wt using open caisson bottom
Rotary reamer carries out shaft bottom soil layer comprehensive excavation simultaneously, and speed of application is fast.
Object of the invention can be realized by the following technical scheme：A kind of open caisson construction device, including well body, open caisson
Well body is formed by connecting from top to bottom by multistage well body, and bottom open caisson lower end is provided with cutting shoe, be provided in cutting shoe in well body
The hole for water spraying of pipeline unicom, is provided with the supply line of unicom hole for water spraying in open caisson, and cutting shoe lower port is provided with holder, under holder
Reamer blade is set, the power plant of control reamer blade rotation is provided on holder.
In above-mentioned open caisson construction device, open caisson is rectangular open caisson, and shaft reamer device is provided at caisson cutting edge, dress
Setting group becomes：It is arranged with shaft in cutting shoe, reamer blade is provided in shaft, sprocket wheel is provided in shaft, is coordinated on sprocket wheel
There is the chain that drive sprocket rotates, well body of the chain ring around the cutting shoe top is driven by driving device to be rotated.By to two not
Same direction traction chain so that certain change occurs for the position of shaft.
In above-mentioned open caisson construction device, axle sleeve is provided in shaft, axle sleeve is supported on supporting rod one end, supporting rod
The other end is hingedly connected in cutting shoe, and sliding block, one end of sliding block hinge connection connecting rod, the other end of connecting rod are provided on supporting rod
It is hingedly connected in cutting shoe, connecting rod is telescopic rod.
It is cavity in above-mentioned open caisson construction device, in shaft, unicom cavity and external hole is distributed in shaft, turns
Shaft end is provided with the swivel joint of unicom cavity, and swivel joint passes through water pipe and water pump unicom.When shaft is rotated to
Water is squeezed into shaft cavity so that water is sprayed from the hole in shaft.
In above-mentioned open caisson construction device, one end of the chain of two shaft reamer devices two with four rope grab respectively
The other end of half bucket connection, two chains is connect with the opening and closing steel wire rope both ends of control grab bucket respectively.
The construction method of above-mentioned open caisson construction device is first, the first segment well body with cutting shoe to be inserted in needs and is set
Set the job location of open caisson；Then, the pipeline into well body squeezes into pressure water so that water is washed away from the hole for water spraying ejection in cutting shoe
Silt makes well body sink, while controlling the rotation of reamer blade, and stirring the soil layer in the middle part of open caisson makes it be quickly turned to mud, waits for well
After body drops to certain depth, second segment well body is connected in first segment well body, the pipeline unicom in two sections of well bodies, to pipeline
In squeeze into pressure water well body made to continue to sink.
The construction method of above-mentioned open caisson construction device is, when soil layer is harder, driving device drive chain band turn
Shaft rotation is dynamic so that reamer blade cuts soil layer, while water can be squeezed into shaft by the water pipe that roller end connects so that water
It is ejected from the hole in shaft, it, can be to the side-lining chain, when need when needing to cut the soil of well body cutting shoe side
It, can be to the other side traction chain when cutting the soil of the well body other side.
The construction method of above-mentioned open caisson construction device is, when grabbing bucket decentralization, driving device traction is located at open caisson well body
Outer chain rises so that the chain in open caisson well body follows grab bucket to transfer together, continues haulage chain after grab bucket reaches soil layer
Item draws the two halves bucket of grab bucket to both sides so that and grab bucket, which is opened, is inserted into silt, and then driving device draws reversed traction chain,
So that the opening and closing steel wire rope that the chain in open caisson well body is pulled up opening and closing steel wire rope grab bucket makes grab bucket be closed, while grab bucket carries
It rises device and promotes grab bucket rising.
Compared with prior art, this open caisson construction device and construction method have the following advantages：
The open caisson construction device and construction method of the present invention, while being declined using well body dead weight, by being arranged in well
Internal pipeline injection water from cutting shoe washes away soil layer, while cutting soil layer in the bottom nozzle of well body setting rotary reamer, adds
The decline of fast open caisson, it is easy for construction quick.
Description of the drawings
Fig. 1 is the structural schematic diagram of invention；
Fig. 2 is the present invention looks up structural representation of Fig. 1；
Fig. 3 is two structural schematic diagram of embodiment；
Fig. 4 is the structural schematic diagram of the shaft reamer device of embodiment two；
Fig. 5 is the side view of Fig. 4；
Fig. 6 be to the left traction chain when working state schematic representation；
Fig. 7 be to the right traction chain when working state schematic representation；
Fig. 8 is the schematic diagram of embodiment three.
In figure, well body 1, pipeline 2, cutting shoe 3, hole for water spraying 4, shaft 5, blade 6, sprocket wheel 7, chain 8, axle sleeve 9, supporting rod
10, sliding block 11, connecting rod 12, swivel joint 13, water pipe 14, hole 15 is opened and closed steel wire rope 16, half bucket 17, chain traction driving dress
Set 18, holder 19, reamer blade 20, power plant 21.
Specific implementation mode
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described in conjunction with attached drawing,
However, the present invention is not limited to these examples.
Embodiment one
As shown in Figure 1, 2, open caisson construction device, including well body 1, well body are round well body, and open caisson well body is by multistage well body
It is formed by connecting from top to bottom, bottom open caisson lower end is provided with cutting shoe 3, and the spray with 2 unicom of well body vessel is provided in cutting shoe
Water hole, the supply line of unicom hole for water spraying 4 is provided in open caisson, and cutting shoe lower port is provided with holder 19, reamer is arranged under holder
Blade 20 is provided with the power plant 21 of control reamer blade rotation on holder, such as waterproof machine or hydraulic motor.
In the construction method of above-mentioned open caisson construction device, first, the first segment well body with cutting shoe is inserted in needs and is set
Set the job location of open caisson；Then, the pipeline into well body squeezes into pressure water so that water is washed away from the hole for water spraying ejection in cutting shoe
Silt makes well body sink, while controlling the rotation of reamer blade, and stirring the soil layer in the middle part of open caisson makes it be quickly turned to mud, waits for well
After body drops to certain depth, second segment well body is connected in first segment well body, the pipeline unicom in two sections of well bodies, to pipeline
In squeeze into pressure water well body made to continue to sink.
Embodiment two
As shown in Figure 3,4, what is different from the first embodiment is that open caisson is rectangular open caisson, shaft reamer dress is provided at cutting shoe
It sets, device group becomes：It is arranged with shaft 5 in cutting shoe, reamer blade 6 is provided in shaft, blade can be arranged as required into
With certain angle of inclination or helical structure, the material and model of blade can be selected according to the hardness of soil layer, be arranged in shaft
There is sprocket wheel 7, the chain 8 of drive sprocket rotation is combined on sprocket wheel, naturally it is also possible to use the machine of other traction drive rotations
Structure, well body of the chain ring around the cutting shoe top is driven by chain traction driving device 18 to be rotated.Certainly, in order to control walking for chain
To the mechanisms such as corresponding directive wheel or tensioning wheel can be arranged.Certainly it is applied to that sword can not also be arranged when shaft reamer device
Foot.
Further, axle sleeve 9 is provided in shaft, is equivalent to bearing, axle sleeve is supported on 10 one end of supporting rod, supporting rod it is another
One end is hingedly connected in cutting shoe, is provided with sliding block 11 on supporting rod, one end of sliding block hinge connection connecting rod, connecting rod 12 it is another
End is hingedly connected in cutting shoe, and connecting rod is telescopic rod, for example, two sockets can relative telescopic telescopic rod.Pass through Quality Initiative
The lead of item, in the range of telescopic rod controls so that certain change occurs relative to the position of well body for shaft, to
The soil of well body not homonymy is cut.Telescopic rod may be hydraulic cylinder, and the extension and contraction control by controlling hydraulic cylinder turns
The position of axis.
Further, it is cavity in shaft, unicom cavity and external hole is distributed in shaft, roller end is provided with unicom
The swivel joint 13 of cavity, swivel joint pass through water pipe 14 and water pump unicom.It is beaten into shaft cavity when shaft is rotated
Enter water so that water is sprayed from the hole 15 in shaft.
If the construction method of the above-mentioned open caisson construction device in Fig. 5,6,7 is, when soil layer is harder, driving device drive chain
Band turn shaft rotation is dynamic so that reamer blade cuts soil layer, while can be squeezed into shaft by the water pipe that roller end connects
Water so that water is ejected from the hole in shaft, can be to the side-lining when needing to cut the soil of well body cutting shoe side
Chain can be to other side traction chain when needing to cut the soil of the well body other side.If the shaft reamer of the embodiment fills
It sets and is used simultaneously with the spiral reamer device of embodiment 1, then the diameter of spiral reamer should be reduced
Embodiment three
As shown in figure 8, unlike embodiment one, two, it is both provided at the cutting shoe under the opposite metope of two of which
Shaft reamer device.One end of the chain of two shaft reamer devices is connect with two and half buckets 17 of four rope grab respectively, two chains
The other end respectively with control grab bucket 16 both ends of opening and closing steel wire rope connect.
The construction method of above-mentioned open caisson construction device is, when grabbing bucket decentralization, driving device traction is located at open caisson well body
Outer chain rises so that the chain in open caisson well body follows grab bucket to transfer together, continues haulage chain after grab bucket reaches soil layer
Item draws the two halves bucket of grab bucket to both sides so that and grab bucket, which is opened, is inserted into silt, and then driving device draws reversed traction chain,
So that the opening and closing steel wire rope that the chain in open caisson well body is pulled up opening and closing steel wire rope grab bucket makes grab bucket be closed, while grab bucket carries
It rises device and promotes grab bucket rising.After grab bucket rises to well head, opens grab bucket and unload silt.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although some terms are used more herein, it does not preclude the possibility of using other terms.Use these
Term is only for the convenience of describing and explaining the nature of the invention；It is construed as any one of the additional limitations all
It is disagreed with spirit of that invention.
Claims (5)
1. a kind of open caisson construction device, including open caisson, which is characterized in that open caisson well body connected from top to bottom by multistage well body and
At lowermost open caisson lower end is provided with cutting shoe, and hole for water spraying is provided in cutting shoe, and the feed pipe of connection hole for water spraying is provided in open caisson
Road, cutting shoe lower port are provided with holder, reamer blade are arranged under holder, and the power of control reamer blade rotation is provided on holder
Device；Open caisson is rectangular open caisson, and shaft reamer device is provided at caisson cutting edge, which becomes：In cutting shoe
It is arranged with shaft, reamer blade is provided in shaft, sprocket wheel is provided in shaft, drive sprocket rotation is combined on sprocket wheel
Chain, chain ring around the cutting shoe top well body and driven by chain traction driving device；Axle sleeve, axle sleeve branch are provided in shaft
In supporting rod one end, the other end of supporting rod is hingedly connected in cutting shoe, and sliding block, sliding block hinge connection are provided on supporting rod for support
The other end of one end of connecting rod, connecting rod is hingedly connected in cutting shoe, and connecting rod is telescopic rod.
2. open caisson construction device according to claim 1, which is characterized in that it is cavity in shaft, the company of being distributed in shaft
Logical cavity and external hole, roller end are provided with the swivel joint of connection cavity, and swivel joint passes through water pipe and water pump
Connection.
3. open caisson construction device according to claim 2, which is characterized in that one end of the chain of two shaft reamer devices point
It is not connected with two and half buckets of four rope grab, the other end is connect with the opening and closing steel wire rope both ends of control grab bucket respectively.
4. the construction method of open caisson construction device according to claim 3, which is characterized in that when soil layer is harder, chain
Item is driven by chain traction driving device to drive shaft to rotate so that reamer blade cuts soil layer, while can pass through shaft
The water pipe of end connection squeezes into water into shaft so that water is ejected from the hole in shaft, the rotation meeting of chain different directions
Affect supporting rod to well body difference lateral deviation turn, then drive shaft to well body difference side deviate, when need cut open caisson on the inside of
It, can be to haulage chain on the outside of open caisson when needing to cut the soil on the outside of open caisson to traction chain on the inside of open caisson when soil
Item.
5. the construction method of open caisson construction device according to claim 3, which is characterized in that when grabbing bucket decentralization, chain
Traction drive traction is located at the chain outside open caisson well body and rises so that the chain in open caisson well body follows grab bucket one to remove
It puts, continues traction chain after grab bucket reaches soil layer and draw the two halves bucket of grab bucket to both sides so that grab bucket, which is opened, is inserted into silt,
Then the reversed traction chain of chain traction driving device so that the chain in open caisson well body is pulled up opening and closing steel wire rope grab bucket
Opening and closing steel wire rope makes grab bucket be closed, while lifting device of grabbing bucket promotes grab bucket and rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611157606.1A CN106978815B (en) | 2016-12-15 | 2016-12-15 | A kind of open caisson construction device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611157606.1A CN106978815B (en) | 2016-12-15 | 2016-12-15 | A kind of open caisson construction device and construction method |
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| Publication Number | Publication Date |
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| CN106978815A CN106978815A (en) | 2017-07-25 |
| CN106978815B true CN106978815B (en) | 2018-09-18 |
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| CN201611157606.1A Active CN106978815B (en) | 2016-12-15 | 2016-12-15 | A kind of open caisson construction device and construction method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108487285A (en) * | 2018-04-09 | 2018-09-04 | 大连久鼎祥瑞特种工程技术研究院有限公司 | No-dig technique or drilling immersed tube, open caisson or Caisson method |
| CN108951677B (en) * | 2018-07-04 | 2021-01-19 | 岩土科技股份有限公司 | Open caisson construction method for underground space of mucky soil part |
| CN111139855A (en) * | 2019-12-25 | 2020-05-12 | 孙华章 | Bottom concrete caisson capable of self-weight forced landing and construction method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0220720A (en) * | 1988-07-07 | 1990-01-24 | Taisei Corp | Underground construction method by muddy water excavation |
| CN1958966A (en) * | 2006-07-20 | 2007-05-09 | 廖河山 | Underground consecutive sinking well type openweb wall body, and construction method |
| CN103205978B (en) * | 2013-04-18 | 2014-12-10 | 南通英雄建设集团有限公司 | High-permeability zone under-water-level elevator foundation pit open caisson moulding bed construction method |
| CN106168033B (en) * | 2016-08-09 | 2018-09-18 | 岩土科技股份有限公司 | A kind of vertical mud and water balance constructing device |
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| CN106978815A (en) | 2017-07-25 |
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Denomination of invention: An open caisson construction device and construction method Effective date of registration: 20220704 Granted publication date: 20180918 Pledgee: China Construction Bank Co.,Ltd. Fuyang Branch of Hangzhou Pledgor: GEOTECHNICAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980009767 |
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Granted publication date: 20180918 Pledgee: China Construction Bank Co.,Ltd. Fuyang Branch of Hangzhou Pledgor: GEOTECHNICAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980009767 |
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Denomination of invention: A sinking well construction device and construction method Granted publication date: 20180918 Pledgee: China Construction Bank Co.,Ltd. Fuyang Branch of Hangzhou Pledgor: GEOTECHNICAL TECHNOLOGY Co.,Ltd. Registration number: Y2024980026444 |