CN106978815A - 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
- CN106978815A CN106978815A CN201611157606.1A CN201611157606A CN106978815A CN 106978815 A CN106978815 A CN 106978815A CN 201611157606 A CN201611157606 A CN 201611157606A CN 106978815 A CN106978815 A CN 106978815A
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- China
- Prior art keywords
- open caisson
- well body
- rotating shaft
- chain
- cutting shoe
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a kind of open caisson construction device and construction method, belong to technical field of buildings, be related to a kind of underground open caisson.It solves the problem of constructing slow in the prior art.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 with cutting shoe, the supply line of UNICOM's hole for water spraying is provided with open caisson, cutting shoe lower port is provided with support, reamer blade is set under support, the power set that control reamer blade is rotated are provided with support, the present invention using well body deadweight while being declined, by the pipeline that is arranged in well body, injection water washes away soil layer at cutting shoe, rotary reamer is set to cut soil layer in the bottom nozzle of well body simultaneously, accelerate the decline of open caisson.
Description
Technical field
The invention belongs to technical field of buildings, it is related to a kind of open caisson, particularly a kind of open caisson construction device and construction method.
Background technology
Open caisson is the works of pit shaft shape, and it is, to cut the earth in well, to overcome to sink after borehole wall frictional resistance by self gravitation
To designed elevation, then pass through concrete sealing bottom and clog wellhole, become the basis of Bridge Pier or other structures thing.One
As construction Bridge Piers foundation ditch, sewage pumping station, large equipment base, people's air defense shelter, shield assembly well, underground roadways with
Used during the water conservancy project foundation construction enclosure device of station.But rely only on open caisson gravity so that well sinking it is slow, using it
His equipment stretches to deeper shaft bottom and excavates also inconvenient.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, 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 comprehensive excavation to shaft bottom soil layer simultaneously, and speed of application is fast.
The purpose of the present invention can be realized by following technical proposal：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, bottom open caisson lower end be provided with cutting shoe, cutting shoe be provided with well body
The supply line of UNICOM's hole for water spraying is provided with the hole for water spraying of pipeline UNICOM, open caisson, cutting shoe lower port is provided with support, support
Set and the power set that control reamer blade is rotated are provided with reamer blade, support.
In above-mentioned open caisson construction device, open caisson is that rotating shaft reamer device is provided with rectangular open caisson, caisson cutting edge, dress
Putting composition is：It is arranged with cutting shoe in rotating shaft, rotating shaft and is provided with reamer blade, is provided with sprocket wheel, sprocket wheel and coordinates in rotating shaft
There is the chain that drive sprocket is rotated, well body of the chain ring around the cutting shoe top is driven by drive device to be rotated.By to two not
Same direction conduction chain so that certain change occurs for the position of rotating shaft.
In above-mentioned open caisson construction device, axle sleeve is provided with rotating shaft, axle sleeve is supported on support bar one end, support bar
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 with support bar
It is hingedly connected in cutting shoe, connecting rod is telescopic rod.
In above-mentioned open caisson construction device, it is cavity in rotating shaft, UNICOM's cavity and outside hole is distributed with rotating shaft, turn
Shaft end is provided with the swivel joint of UNICOM's cavity, and swivel joint passes through water pipe and water pump UNICOM.In axis of rotation to
Water is squeezed into rotating shaft cavity so that water sprays from the hole in rotating shaft.
In above-mentioned open caisson construction device, one end of the chain of two rotating shaft reamer devices respectively with four rope grab two
Half bucket connection, the opening and closing steel wire rope two ends that the other end of two chains is grabbed bucket with control respectively are connected.
The construction method of above-mentioned open caisson construction device is first, the first paragraph well body with cutting shoe to be inserted in into needs and set
Put the job location of open caisson；Then, the pipeline into well body squeezes into press water so that water sprays from the hole for water spraying in cutting shoe and washed away
Silt causes well body to sink, while controlling reamer blade to rotate, the soil layer in the middle part of agitation open caisson makes it be quickly turned to mud, treats well
Body drops to after certain depth, and second segment well body is connected in first paragraph well body, the pipeline UNICOM in two sections of well bodies, to pipeline
In squeeze into press water so that well body continue sink.
The construction method of above-mentioned open caisson construction device is, when soil layer is harder, and drive device drive chain, which drives, to be turned
Axle is rotated so that reamer blade cuts soil layer, while the water pipe that can be connected by roller end squeezes into water into rotating shaft so that water
Ejected from the hole in rotating shaft, can be to the side-lining chain, when need when needing to cut the soil of well body cutting shoe side
, can be to opposite side conduction chain when cutting the soil of well body opposite side.
The construction method of above-mentioned open caisson construction device is that, when grabbing bucket decentralization, drive 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, and haulage chain is continued after grab bucket reaches soil layer
Bar draws the two halves bucket of grab bucket to both sides so that grab bucket is opened in insertion silt, and then drive device draws reverse conduction chain,
So that the opening and closing steel wire rope that the chain in open caisson well body is pulled up being opened and closed steel wire rope grab bucket causes grab bucket to close, while grab bucket is carried
Device lifting grab bucket is risen to rise.
Compared with prior art, this open caisson construction device and construction method have advantages below：
The open caisson construction device and construction method of the present invention, while being declined using well body deadweight, by being arranged in well body
Pipeline at cutting shoe injection water wash away soil layer, while the bottom nozzle in well body sets rotary reamer to cut soil layer, it is heavy to accelerate
The decline of well, easy construction is quick.
Brief description of the drawings
Fig. 1 is the structural representation of invention；
Fig. 2 is Fig. 1 present invention looks up structural representation；
Fig. 3 is the structural representation of embodiment two；
Fig. 4 is the structural representation of the rotating shaft reamer device of embodiment two；
Fig. 5 is Fig. 4 side view；
Fig. 6 be to the left conduction chain when working state schematic representation；
Fig. 7 be to the right conduction 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, rotating shaft 5, blade 6, sprocket wheel 7, chain 8, axle sleeve 9, support bar
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
Put 18, support 19, reamer blade 20, power set 21.
Embodiment
The following is the specific embodiment of the present invention, and technical scheme is further described with reference to accompanying drawing,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in Figure 1, 2, open caisson construction device, including well body 1, well body are circular well body, and open caisson well body is by multistage well body under
To being above formed by connecting, bottom open caisson lower end is provided with the hole for water spraying being provided with cutting shoe 3, cutting shoe with the UNICOM of well body vessel 2,
The supply line of UNICOM's hole for water spraying 4 is provided with open caisson, cutting shoe lower port is provided with setting reamer blade under support 19, support
20, the power set 21 that control reamer blade is rotated, such as waterproof machine or hydraulic motor are provided with support.
In the construction method of above-mentioned open caisson construction device, first, the first paragraph well body with cutting shoe is inserted in needs and set
Put the job location of open caisson；Then, the pipeline into well body squeezes into press water so that water sprays from the hole for water spraying in cutting shoe and washed away
Silt causes well body to sink, while controlling reamer blade to rotate, the soil layer in the middle part of agitation open caisson makes it be quickly turned to mud, treats well
Body drops to after certain depth, and second segment well body is connected in first paragraph well body, the pipeline UNICOM in two sections of well bodies, to pipeline
In squeeze into press water so that well body continue sink.
Embodiment two
As shown in Figure 3,4, from unlike embodiment one, open caisson is that rotating shaft reamer device is provided with rectangular open caisson, cutting shoe, dress
Putting composition is：It is arranged with cutting shoe in rotating shaft 5, rotating shaft and is provided with reamer blade 6, blade can be arranged as required into one
Constant inclination rake angle or helical structure, the material and model of blade can be selected according to the hardness of soil layer, and sprocket wheel is provided with rotating shaft
7, the chain 8 of drive sprocket rotation is combined with sprocket wheel, naturally it is also possible to the mechanism rotated using other traction drives, chain
Well body around the cutting shoe top drives rotation by chain traction drive device 18.Certainly, in order to which the trend for controlling chain can be with
The mechanisms such as corresponding directive wheel or tensioning wheel are set.Certainly it is applied to that during rotating shaft reamer device cutting shoe can also be not provided with.
Further, axle sleeve 9 is provided with rotating shaft, equivalent to bearing, axle sleeve is supported on the one end of support bar 10, support bar it is another
One end is hingedly connected in cutting shoe, is provided with sliding block 11 on support bar, one end of sliding block hinge connection connecting rod, connecting rod 12 it is another
End be hingedly connected in cutting shoe, connecting rod is telescopic rod, such as two socket can relative telescopic expansion link.Pass through Quality Initiative
The lead of bar, in the range of expansion link control so that relative to the position of well body certain change occurs for rotating shaft, so that
The soil of well body not homonymy is cut.Telescopic rod can also be hydraulic cylinder, by controlling the extension and contraction control of hydraulic cylinder to turn
The position of axle.
Further, it is cavity in rotating shaft, UNICOM's cavity and outside hole is distributed with rotating shaft, roller end is provided with UNICOM
The swivel joint 13 of cavity, swivel joint passes through water pipe 14 and water pump UNICOM.Beaten in axis of rotation into rotating shaft cavity
Enter water so that water sprays from the hole 15 in rotating shaft.
Construction method such as the above-mentioned open caisson construction device in Fig. 5,6,7 is, when soil layer is harder, drive device drive chain
Bar drives axis of rotation so that reamer blade cuts soil layer, while the water pipe that can be connected by roller end is squeezed into rotating shaft
Water so that water is ejected from the hole in rotating shaft, can be to the side-lining when needing to cut the soil of well body cutting shoe side
Chain, can be to opposite side conduction chain when needing to cut the soil of well body opposite side.If the rotating shaft reamer dress of the embodiment
The spiral reamer device with embodiment 1 is put while using, then the diameter of spiral reamer should be reduced
Embodiment three
As shown in figure 8, from unlike embodiment one, two, rotating shaft is provided with the cutting shoe under the relative metope of two of which
Reamer device.One end of the chain of two rotating shaft reamer devices is connected with the two and half of four rope grab buckets 17 respectively, two chains it is another
Opening and closing steel wire rope 16 two ends of the one end respectively with control grab bucket are connected.
The construction method of above-mentioned open caisson construction device is that, when grabbing bucket decentralization, drive 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, and haulage chain is continued after grab bucket reaches soil layer
Bar draws the two halves bucket of grab bucket to both sides so that grab bucket is opened in insertion silt, and then drive device draws reverse conduction chain,
So that the opening and closing steel wire rope that the chain in open caisson well body is pulled up being opened and closed steel wire rope grab bucket causes grab bucket to close, while grab bucket is carried
Device lifting grab bucket is risen to rise.Grab bucket is risen to after well head, is opened grab bucket and is unloaded silt.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used some terms herein, the possibility using other terms is not precluded from.Use these
Term is used for the purpose of more easily describing and explaining the essence of the present invention；It is construed as any additional limitation all
Disagreed with spirit of the present invention.
Claims (8)
1. a kind of open caisson construction device, including open caisson, it is characterised in that open caisson well body connected from top to bottom by multistage well body and
Into bottom open caisson lower end is provided with the hole for water spraying being provided with cutting shoe, cutting shoe with well body vessel UNICOM, open caisson and is provided with
The supply line of UNICOM's hole for water spraying, cutting shoe lower port is provided with support, support and is provided with control on setting reamer blade, support
The power set that reamer blade is rotated.
2. open caisson construction device according to claim 1, it is characterised in that open caisson is to be set at rectangular open caisson, caisson cutting edge
Rotating shaft reamer device is equipped with, device composition is：It is arranged with cutting shoe in rotating shaft, rotating shaft and is provided with reamer blade, is set in rotating shaft
The chain that drive sprocket rotation is combined with sprocket wheel, sprocket wheel is equipped with, well body of the chain ring around the cutting shoe top is driven by drive device
It is dynamic to rotate.
3. open caisson construction device according to claim 2, it is characterised in that axle sleeve is provided with rotating shaft, axle sleeve is supported on
Support bar one end, the other end of support bar is hingedly connected in cutting shoe, and sliding block, sliding block hinge connection connecting rod are provided with support bar
One end, the other end of connecting rod is hingedly connected in cutting shoe, and connecting rod is telescopic rod.
4. the open caisson construction device according to Claims 2 or 3, it is characterised in that be to be distributed with cavity, rotating shaft in rotating shaft
UNICOM's cavity is provided with the swivel joint of UNICOM's cavity with outside hole, roller end, and swivel joint passes through water pipe and water
Pump UNICOM.
5. open caisson construction device according to claim 4, it is characterised in that one end of the chain of two rotating shaft reamer devices point
It is not connected with two and half buckets of four rope grab, the opening and closing steel wire rope two ends that the other end of two chains is grabbed bucket with control respectively are connected.
6. the construction method of open caisson construction device according to claim 1, it is characterised in that first, by with cutting shoe
First paragraph well body is inserted in the job location for needing to set open caisson；Then, the pipeline into well body squeezes into press water so that water is from sword
Hole for water spraying on pin sprays scouring sediment and well body is sunk, while control reamer blade to rotate, the soil layer in the middle part of agitation open caisson
It is quickly turned to mud, after well body drops to certain depth, second segment well body is connected in first paragraph well body, two sections of wells
Internal pipeline UNICOM, press water is squeezed into so that well body continues to sink into pipeline.
7. the construction method of open caisson construction device according to claim 4, it is characterised in that when soil layer is harder, drives
Dynamic device drive chain drives axis of rotation so that reamer blade cuts soil layer, while the water pipe that can be connected by roller end
Water is squeezed into rotating shaft so that water is ejected from the hole in rotating shaft, can when needing to cut the soil of well body cutting shoe side
, can be to opposite side conduction chain when needing to cut the soil of well body opposite side with to the side-lining chain.
8. the construction method of open caisson construction device according to claim 5, it is characterised in that when grabbing bucket decentralization, driving
The chain that device traction is located at outside open caisson well body rises so that the chain in open caisson well body follows grab bucket to transfer together, in grab bucket
Reach continuation conduction chain after soil layer to draw the two halves bucket of grab bucket to both sides so that grab bucket is opened in insertion silt, is then driven
Device draws reverse conduction chain so that the opening and closing steel wire rope that the chain in open caisson well body is pulled up being opened and closed steel wire rope grab bucket makes
Must be grabbed bucket closure, while lifting device lifting grab bucket of grabbing bucket 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106978815A true CN106978815A (en) | 2017-07-25 |
| CN106978815B CN106978815B (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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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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| Country | Link |
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| CN (1) | CN106978815B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108951677A (en) * | 2018-07-04 | 2018-12-07 | 岩土科技股份有限公司 | The open caisson construction method of the muck soil position underground space |
| CN111139855A (en) * | 2019-12-25 | 2020-05-12 | 孙华章 | Bottom concrete caisson capable of self-weight forced landing and construction method |
Citations (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 |
| CN103205978A (en) * | 2013-04-18 | 2013-07-17 | 成军 | High-permeability zone under-water-level elevator foundation pit open caisson moulding bed construction method |
| CN106168033A (en) * | 2016-08-09 | 2016-11-30 | 岩土科技股份有限公司 | A kind of vertical mud and water balance constructing device |
-
2016
- 2016-12-15 CN CN201611157606.1A patent/CN106978815B/en active Active
Patent Citations (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 |
| CN103205978A (en) * | 2013-04-18 | 2013-07-17 | 成军 | High-permeability zone under-water-level elevator foundation pit open caisson moulding bed construction method |
| CN106168033A (en) * | 2016-08-09 | 2016-11-30 | 岩土科技股份有限公司 | A kind of vertical mud and water balance constructing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108951677A (en) * | 2018-07-04 | 2018-12-07 | 岩土科技股份有限公司 | The open caisson construction method of the muck soil position underground space |
| CN111139855A (en) * | 2019-12-25 | 2020-05-12 | 孙华章 | Bottom concrete caisson capable of self-weight forced landing and construction method |
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| Publication number | Publication date |
|---|---|
| CN106978815B (en) | 2018-09-18 |
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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 |