CN107620313A - Static pressure open caisson device - Google Patents
Static pressure open caisson device Download PDFInfo
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- CN107620313A CN107620313A CN201711128673.5A CN201711128673A CN107620313A CN 107620313 A CN107620313 A CN 107620313A CN 201711128673 A CN201711128673 A CN 201711128673A CN 107620313 A CN107620313 A CN 107620313A
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- open caisson
- girder
- oil cylinder
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- ring beam
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Abstract
Static pressure open caisson device, it is related to the field of open caisson construction, including open caisson, in the uniform multigroup open caisson component in the periphery of open caisson, open caisson component includes two pile leg columns and a girder, the lower end of two pile leg columns is fixed with ground respectively, and the both ends of girder are enclosed on spud leg column, and girder is located at the upper surface of open caisson；Ring beam and hoist cylinder are respectively provided with every pile leg column, ring beam is enclosed on spud leg column, and one end of hoist cylinder is connected with ring beam, and the first latch assembly is connected on ring beam, the other end of hoist cylinder is connected with girder, and the second latch assembly is connected respectively at the both ends of girder；First latch assembly is identical with the second latch assembly structure, including plugging pin oil cylinder mounting seat and plugging pin oil cylinder, multiple pin holes is set along short transverse on every pile leg column, the piston rod of every plugging pin oil cylinder is plugged in the pin hole of corresponding leg column；The girder of multigroup open caisson component is located at same level, and steady lower pressure is provided for open caisson compacting.
Description
Technical field
The present invention relates to the field of open caisson construction.
Background technology
Drop shaft sinking is a kind of construction dug well in soft, unstable aquifer water-bearing stratum, its by open caisson conduct oneself with dignity or
Slightly apply external force to be allowed to, ground in well is dug out, finally by concrete sealing bottom, form the resistant-walled space in underground, and
Various building or building bases can be built in underground.The development of social economy causes urban land nervous all the more, therefore sends out
The exhibition underground space becomes more important.In recent years, as production-scale expansion and the development of production technology, drop shaft sinking are constructed
It is increasingly becoming a kind of important method that various hypogees and foundation structure are embedded in Soft Soil Layer.
Existing open caisson method is unreasonable due to device structure, problems be present：1st, in open caisson press-in work progress,
For the lower pressure transient of open caisson compacting；2nd, do not possess anti-bust function, bust is to be pressed into open caisson in work progress, open caisson warp
Sedimentation suddenly occurs for overflowing sand bed.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, there is provided a kind of static pressure open caisson device, be suppressed for open caisson
Steady lower pressure is provided.
The object of the present invention is achieved like this：Static pressure open caisson device, including open caisson are uniformly more in the periphery of the open caisson
Group open caisson component, the structure all same of multigroup open caisson component；The open caisson component includes two pile leg columns and a girder, and two
The lower end of pile leg column is fixed with ground respectively, and one end of girder is covered wherein on a pile leg column, the other end of girder
It is enclosed on another pile leg column, girder is located at the upper surface of open caisson；Ring beam and lifting oil are respectively provided with every pile leg column
Cylinder, the ring beam are enclosed on spud leg column, and one end of hoist cylinder is connected with ring beam, and the first latch assembly is connected on ring beam,
The other end of hoist cylinder is connected with girder, and the second latch assembly is connected respectively at the both ends of girder；The first latch group
Part is identical with the second latch assembly structure, and including plugging pin oil cylinder mounting seat and plugging pin oil cylinder, plugging pin oil cylinder is connected to latch oil
In cylinder mounting seat, multiple pin holes are set along short transverse on every pile leg column, the piston rod of every plugging pin oil cylinder is planted
In the pin hole of corresponding leg column；The girder of multigroup open caisson component is located at same level.
When applying external force, the plugging pin oil cylinder of ring beam, which is stretched out, to be inserted on column, and hoist cylinder stretches out, and drives girder to decline, main
Plugging pin oil cylinder on beam, which is stretched out, to be inserted on column, and the plugging pin oil cylinder of ring beam is retracted, and hoist cylinder is retracted, and is driven ring beam to decline, is followed
Ring is carried out so that girder constantly declines.Multigroup open caisson component synchronization is carried out, and is pressed into open caisson and is provided stable lower pressure.
The present invention is applicable to apply the open caisson construction engineering method of external force, can be pressed into for open caisson and provide stable lower pressure,
Ensure that open caisson construction process middle girder is in coplanar horizontal posture by electrohydraulic integration closed-loop control system, contribute to pressure
Smooth transfer.Using the steel strand wires of the balanced valve in hoist cylinder and connection open caisson with adjusting oil cylinder, innovative design goes out open caisson dress
Put anti-bust function.In addition, the characteristics of being poured for open caisson segmentation, its structure is readily disassembled and assembled, and can repeat profit
With.
For anti-bust, the open caisson component also includes steel hinge line regulation oil cylinder, steel hinge line and lock, the steel hinge line and adjusted
Fuel-economizing cylinder includes outer cylinder, inner cylinder tube, piston rod and piston, and outer cylinder is connected on girder, and inner cylinder tube is arranged on outer cylinder
Inside, between inner cylinder tube and outer cylinder, the lower end of piston rod and piston are wholely set piston, in the upper end stretching of piston rod
Connected after cylinder barrel and outer cylinder with the lock；The lower end of the steel hinge line is fixedly connected with open caisson, and steel hinge line passes through girder, steel
Cut with scissors after line adjusts the inner cylinder tube of oil cylinder, piston rod and connected with lock.By the flexible of steel hinge line regulation oil cylinder, regulation lock is with sinking
The length of steel hinge line between well, ensure that steel strand wires are in tensioning state all the time in infall process, prevent open caisson bust.
For anti-bust, balanced valve is integrated in the rod chamber of the hoist cylinder, oil cylinder is realized when open caisson is prominent heavy
Self-locking, while when load rises to balanced valve highest safeguard protection pressure, rod chamber can protect lifting by balanced valve off-load
The safety of oil cylinder and pipe-line system.
Preferably, cushion block is set between the girder and open caisson.Cushion block is by the load transmission that girder is received to open caisson, simultaneously
Also the influence that main beam deformation brings open caisson unbalance stress is farthest eliminated.
For automatic aligning, the upper surface of the cushion block is the cambered surface of indent, be wholely set in the lower end of the girder to
The arc bump of outer protrusion, arc bump are equipped with the cambered surface of cushion block.
Preferably, measurement girder is connected respectively at the girder both ends to the displacement transducer of distance between ring beam.In order to
Steady lower pressure is obtained, transmits the even of guarantee girder power, girder hydraulic system is set using electrohydraulic integration closed loop
Meter.One hydraulic station of every erection of main beam, hydraulic circuit are provided with proportional direction valve, proportional flow control valve, electric ratio oil pump, girder two
End carries displacement transducer, and the signal of hydraulic control circuit is acquired by electric PLC, passes through the closed loop to hoist cylinder
Control keeps coplanar horizontal between girder both ends and multiple girders.
Preferably, the rodless cavity of oil cylinder is adjusted built with pressure sensor in the steel hinge line.Steel strand wires can be detected in real time
Stress, ensure that steel strand wires are in tensioning state all the time in infall process, can also transmit in time during open caisson bust load to
Hoist cylinder.During open caisson pours in advance, the piston rod and steel strand wires lock that adjust oil cylinder are connected, and good branch is provided for girder
Support defencive function.
Brief description of the drawings
Fig. 1 is the structural representation of highest state of the present invention.
Fig. 2 is the structural representation of minimum state of the present invention.
Fig. 3 is Fig. 1 top view.
Fig. 4 is Fig. 1 stereogram.
Fig. 5 is M-M direction views in Fig. 1.
Fig. 6 is I portions enlarged drawing in Fig. 5.
Fig. 7 is A portions enlarged drawing in Fig. 4.
In figure, 1 ground, 2 open caisson components, 3 open caissons, 4 spud leg columns, 5 pin holes, 6 first latch assemblies, 7 ring beams, 8 liters
Drop oil cylinder, 9 second latch assemblies, 10 displacement transducers, 11 girders, 12 cushion blocks, 13 balanced valves, 14 plugging pin oil cylinder mounting seats, 15
Plugging pin oil cylinder, 16 steel hinge lines, 17 locks, 18 steel hinge lines regulation oil cylinder, 19 pressure sensors, 20 outer cylinders, 21 inner cylinder tubes, 22 live
Plug, 23 piston rods, 24 arc bumps.
Embodiment
As shown in figs. 1-7, static pressure open caisson device, including open caisson 3, in the uniform four groups of open caisson components 2 in the periphery of open caisson 3, four
The structure all same of group open caisson component 2.
Open caisson component 2 includes two pile leg columns 4 and a girder 11, the lower ends of two pile leg columns 4 respectively with ground 1
Fixed, wherein on a pile leg column 4, the other end of girder 11 is enclosed on another pile leg column 4 one end set of girder 11.
Girder 11 is located at the upper surface of open caisson 3, and cushion block 12 is set between girder 11 and open caisson 3.The upper surface of cushion block 12 is indent
Cambered surface, outwardly arc bump 24 is wholely set in the lower end of girder 11, and arc bump 24 is equipped with cushion block 12
In cambered surface.
Ring beam 7 and hoist cylinder 8 are respectively provided with every pile leg column 4, ring beam 7 is enclosed on spud leg column 4, in lifting oil
Balanced valve 13 is integrated in the rod chamber of cylinder 8, the upper end of hoist cylinder 8 is connected with ring beam 7, and the first latch group is connected on ring beam 7
Part 6, the lower end of hoist cylinder 8 are connected with girder 11, connect the second latch assembly 9 respectively at the both ends of girder 11.First inserts
Pin assemblies 6 are identical with the structure of the second latch assembly 9, including plugging pin oil cylinder mounting seat 14 and plugging pin oil cylinder 15, plugging pin oil cylinder 15
It is connected in plugging pin oil cylinder mounting seat 14, multiple pin holes 5, every latch is set along short transverse on every pile leg column 4
The piston rod of oil cylinder 15 is plugged in the pin hole 5 of corresponding leg column 4.Measurement girder 11 is connected respectively at the both ends of girder 11 to arrive
The displacement transducer 10 of distance between ring beam 7, the girder 11 of multigroup open caisson component 2 are located at same level.
Open caisson component 2 also includes steel hinge line regulation oil cylinder 18, steel hinge line 16 and lock 17, and steel hinge line regulation oil cylinder 18 includes
Outer cylinder 20, inner cylinder tube 21, piston rod 23 and piston 22, outer cylinder 20 are connected on girder 11, and inner cylinder tube 21 is arranged on outer shell
The inside of cylinder 20, between inner cylinder tube 21 and outer cylinder 20, the lower end of piston rod 23 and piston 22 are wholely set piston 22, living
The upper end of stopper rod 23 is connected after stretching out inner cylinder tube 21 and outer cylinder 20 with lock 17.The lower end of steel hinge line 16 is fixed with open caisson 3 to be connected
Connect, steel hinge line 16 is connected after adjusting the inner cylinder tube 21 of oil cylinder 18, piston rod 23 through girder 11, steel hinge line with lock 17.In steel
The rodless cavity of line regulation oil cylinder 18 is cut with scissors built with pressure sensor 19.
Claims (7)
1. static pressure open caisson device, including open caisson, it is characterised in that：It is multigroup in the uniform multigroup open caisson component in the periphery of the open caisson
The structure all same of open caisson component；The open caisson component includes two pile leg columns and a girder, under two pile leg columns
End is fixed with ground respectively, and for one end set of girder wherein on a pile leg column, the other end of girder is enclosed on another pile leg
On column, girder is located at the upper surface of open caisson；Ring beam and hoist cylinder are respectively provided with every pile leg column, the ring beam is enclosed on
On spud leg column, one end of hoist cylinder is connected with ring beam, and the first latch assembly, the other end of hoist cylinder are connected on ring beam
It is connected with girder, the second latch assembly is connected respectively at the both ends of girder；First latch assembly and the second latch assembly
Structure is identical, and including plugging pin oil cylinder mounting seat and plugging pin oil cylinder, plugging pin oil cylinder is connected in plugging pin oil cylinder mounting seat, at every
Multiple pin holes are set along short transverse on spud leg column, the piston rod of every plugging pin oil cylinder is plugged on inserting for corresponding leg column
In pin-and-hole；The girder of multigroup open caisson component is located at same level.
2. static pressure open caisson device according to claim 1, it is characterised in that：The open caisson component also includes steel hinge line regulation oil
Cylinder, steel hinge line and lock, the steel hinge line regulation oil cylinder include outer cylinder, inner cylinder tube, piston rod and piston, and outer cylinder is connected to
On girder, inner cylinder tube is arranged on the inside of outer cylinder, and piston is between inner cylinder tube and outer cylinder, the lower end of piston rod and piston
It is wholely set, the upper end of piston rod is stretched out after inner cylinder tube and outer cylinder latches connection with described；The lower end of the steel hinge line is with sinking
Well is fixedly connected, and steel hinge line connects after adjusting the inner cylinder tube of oil cylinder, piston rod through girder, steel hinge line with lock.
3. static pressure open caisson device according to claim 1, it is characterised in that：Integrated in the rod chamber of the hoist cylinder flat
Weigh valve.
4. static pressure open caisson device according to claim 1, it is characterised in that：Cushion block is set between the girder and open caisson.
5. static pressure open caisson device according to claim 4, it is characterised in that：The upper surface of the cushion block is the cambered surface of indent,
Outwardly arc bump is wholely set in the lower end of the girder, arc bump is equipped with the cambered surface of cushion block.
6. static pressure open caisson device according to claim 1, it is characterised in that：Measurement girder is connected respectively at the girder both ends
To the displacement transducer of distance between ring beam.
7. static pressure open caisson device according to claim 1, it is characterised in that：In the rodless cavity of steel hinge line regulation oil cylinder
Equipped with pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128673.5A CN107620313B (en) | 2017-11-15 | 2017-11-15 | Static pressure open caisson device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128673.5A CN107620313B (en) | 2017-11-15 | 2017-11-15 | Static pressure open caisson device |
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| Publication Number | Publication Date |
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| CN107620313A true CN107620313A (en) | 2018-01-23 |
| CN107620313B CN107620313B (en) | 2022-12-23 |
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ID=61098754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711128673.5A Active CN107620313B (en) | 2017-11-15 | 2017-11-15 | Static pressure open caisson device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487282A (en) * | 2018-06-27 | 2018-09-04 | 上海城建市政工程（集团）有限公司 | A kind of quick sinking construction device of counter-force static pressure type open caisson |
| CN108487280A (en) * | 2018-06-27 | 2018-09-04 | 上海城建市政工程（集团）有限公司 | A kind of counter-force static pressure type caisson sinking construction method |
| CN108842798A (en) * | 2018-06-27 | 2018-11-20 | 上海城建市政工程（集团）有限公司 | A kind of static pressure sinking construction method of prefabricated after-pouring formula open caisson |
| CN109235477A (en) * | 2018-10-26 | 2019-01-18 | 中铁工程装备集团有限公司 | A kind of section of jurisdiction pressure-raising device and its pressure-raising method suitable for open caisson construction method |
| CN109797763A (en) * | 2019-01-25 | 2019-05-24 | 中交二航局第四工程有限公司 | Open caisson neighbour's anchoring pile localization method and location structure in a kind of water |
| CN110761330A (en) * | 2019-10-25 | 2020-02-07 | 中铁第四勘察设计院集团有限公司 | Integral construction method for mud-water balance open caisson station in soft soil area |
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| CN101509258A (en) * | 2009-03-10 | 2009-08-19 | 中国第一冶金建设有限责任公司 | Method for precontrolling subsidence slant of sinking well |
| CN104018512A (en) * | 2014-06-13 | 2014-09-03 | 上海市基础工程集团有限公司 | Open caisson sinking construction method slightly disturbing environment |
| CN206289647U (en) * | 2016-11-10 | 2017-06-30 | 上海城建市政工程（集团）有限公司 | A kind of device for controlling open caisson sections process of press in |
| CN207538060U (en) * | 2017-11-15 | 2018-06-26 | 扬州市江都永坚有限公司 | Static pressure open caisson device |
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2017
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509258A (en) * | 2009-03-10 | 2009-08-19 | 中国第一冶金建设有限责任公司 | Method for precontrolling subsidence slant of sinking well |
| CN104018512A (en) * | 2014-06-13 | 2014-09-03 | 上海市基础工程集团有限公司 | Open caisson sinking construction method slightly disturbing environment |
| CN206289647U (en) * | 2016-11-10 | 2017-06-30 | 上海城建市政工程（集团）有限公司 | A kind of device for controlling open caisson sections process of press in |
| CN207538060U (en) * | 2017-11-15 | 2018-06-26 | 扬州市江都永坚有限公司 | Static pressure open caisson device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487282A (en) * | 2018-06-27 | 2018-09-04 | 上海城建市政工程（集团）有限公司 | A kind of quick sinking construction device of counter-force static pressure type open caisson |
| CN108487280A (en) * | 2018-06-27 | 2018-09-04 | 上海城建市政工程（集团）有限公司 | A kind of counter-force static pressure type caisson sinking construction method |
| CN108842798A (en) * | 2018-06-27 | 2018-11-20 | 上海城建市政工程（集团）有限公司 | A kind of static pressure sinking construction method of prefabricated after-pouring formula open caisson |
| CN108842798B (en) * | 2018-06-27 | 2021-10-19 | 上海城建市政工程（集团）有限公司 | Static pressure sinking construction method of prefabricated pouring type open caisson |
| CN108487280B (en) * | 2018-06-27 | 2023-03-28 | 上海城建市政工程（集团）有限公司 | Counter-force static pressure type open caisson sinking construction method |
| CN108487282B (en) * | 2018-06-27 | 2024-01-26 | 上海城建市政工程（集团）有限公司 | Rapid sinking construction device of counter-force static pressure type open caisson |
| CN109235477A (en) * | 2018-10-26 | 2019-01-18 | 中铁工程装备集团有限公司 | A kind of section of jurisdiction pressure-raising device and its pressure-raising method suitable for open caisson construction method |
| CN109797763A (en) * | 2019-01-25 | 2019-05-24 | 中交二航局第四工程有限公司 | Open caisson neighbour's anchoring pile localization method and location structure in a kind of water |
| CN110761330A (en) * | 2019-10-25 | 2020-02-07 | 中铁第四勘察设计院集团有限公司 | Integral construction method for mud-water balance open caisson station in soft soil area |
| CN110761330B (en) * | 2019-10-25 | 2021-06-22 | 中铁第四勘察设计院集团有限公司 | Integral construction method for mud-water balance open caisson station in soft soil area |
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| Publication number | Publication date |
|---|---|
| CN107620313B (en) | 2022-12-23 |
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