CN209066469U - A kind of section of jurisdiction pressure-raising device suitable for open caisson construction method - Google Patents
A kind of section of jurisdiction pressure-raising device suitable for open caisson construction method Download PDFInfo
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- CN209066469U CN209066469U CN201821742242.8U CN201821742242U CN209066469U CN 209066469 U CN209066469 U CN 209066469U CN 201821742242 U CN201821742242 U CN 201821742242U CN 209066469 U CN209066469 U CN 209066469U
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- oil cylinder
- pressure
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- supporting box
- pin shaft
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Abstract
The utility model discloses a kind of section of jurisdiction pressure-raising device suitable for open caisson construction method, solves in the prior art the problems such as Completed advance rate is low, and the sinking precision of open caisson is low, the easy deflection of pit shaft and difficult sinking.The utility model includes the bottom plate being arranged on well head collar tie beam, the bottom plate is equipped with supporting box, pressure-raising oil cylinder is equipped with inside supporting box, supporting box is equipped with sliding case, and sliding case is matched with supporting box, the fixing end of pressure-raising oil cylinder is connected by cylinder pedestal with bottom plate, the telescopic end of pressure-raising oil cylinder is connected with sliding case, and sliding case is moved along supporting box, and sliding case is equipped with movable latch component, bottom plate is equipped with Fixed latches component, and movable latch component is corresponding with Fixed latches component.The utility model is ingenious in design, compact-sized, can be different according to open caisson diameter, multiple groups is evenly arranged around the borehole wall, it is ensured that well-sinking process stress is steady, and practicability is good, promotional value with higher.
Description
Technical field
The utility model relates to underground shaft technical field of construction, particularly relate to a kind of pipe suitable for open caisson construction method
Piece pressure-raising device provides reliable borehole wall supporting for vertical shaft.
Background technique
With the extensive development in underground space development field, frequency of use of the vertical shaft in underground space development increasingly increases
Add, and open caisson is due to small with occupied area, excavation amount is few, Nearby Structure and neighbouring geological conditions are influenced it is small, and
It the features such as convenient, short time limit, low cost of constructing, is widely used in engineering practice.Traditional open caisson construction is asked there is following
Topic: 1, open caisson can carry out shoveling sinking after concrete walling pours completion and intensity reaches 100% design strength.Its duration
It by formwork erection, ties up that muscle, the borehole wall pours is influenced, excavates and the borehole wall is poured and can not be carried out simultaneously, influence the construction period.2, well-sinking
Speed is not easy to control, is affected by geological conditions.For soft or hard non-uniform geology, easily there is deflection in sinking, and once
There is deflection in pit shaft, corrects more difficult.Especially encounter the case where shaft bottom is with the presence of quicksand, when encounter gush when, not only open caisson
Easy deflection, it is also possible to jeopardize personal safety.3, when sink during encounter the big stratum of frictional resistance or in soft clay layer in
Stopping sinking too long in way, it may occur that the problems such as well-sinking is difficult, common auxiliary method for sinking have wall thickness slip casting to sink, big gun shake sinking,
Drainage sink, ballast sinking etc., subsidence velocity is uncontrollable, and time-consuming and laborious, is easy to appear skewness.
Utility model content
For the deficiency in above-mentioned background technique, the utility model proposes a kind of sections of jurisdiction suitable for open caisson construction method to mention
Pressure device and its pressure-raising method, solve in the prior art that Completed advance rate is low, and the sinking precision of open caisson is low, the easy deflection of pit shaft and under
The problems such as heavy difficult.
The technical solution of the utility model is achieved in that a kind of section of jurisdiction pressure-raising suitable for open caisson construction method fills
It sets, including the bottom plate being arranged on well head collar tie beam, the bottom plate is equipped with supporting box, and pressure-raising oil is equipped with inside supporting box
Cylinder, supporting box are equipped with sliding case, and sliding case is matched with supporting box, and the fixing end of pressure-raising oil cylinder passes through cylinder pedestal and bottom plate
It is connected, the telescopic end of pressure-raising oil cylinder is connected with sliding case, and sliding case is moved along supporting box, and sliding case is equipped with movable latch group
Part, bottom plate are equipped with Fixed latches component, and movable latch component is corresponding with Fixed latches component.
Movable latch component includes the first telescopic oil cylinder and the first axle bed, and the side of sliding case is arranged in the first telescopic oil cylinder,
The other side of sliding case is arranged in first axle bed, is movably equipped with the first pin shaft in the first axle bed, the telescopic end of the first telescopic oil cylinder with
First pin shaft is hinged.First telescopic oil cylinder drives the first pin shaft to slide in the first axle bed, realizes the flexible of the first pin shaft.
In order to which the first pin shaft steadily injects the axis hole reserved on section of jurisdiction, the first telescopic oil cylinder is horizontally disposed, the first flexible oil
Cylinder and the first pin shaft are located in same horizontal line.
Fixed latches component includes the second telescopic oil cylinder and the second axle bed, and the second telescopic oil cylinder and the second axle bed are and bottom plate
It is fixedly connected, the second pin shaft is movably equipped in the second axle bed, the telescopic end of the second telescopic oil cylinder and the second pin shaft are hinged.Second stretches
Contracting oil cylinder drives the second pin shaft to slide in the second axle bed, realizes the flexible of the second pin shaft.
In order to which the second pin shaft steadily injects the axis hole reserved on section of jurisdiction, second telescopic oil cylinder is horizontally disposed, and second stretches
Contracting oil cylinder and the second pin shaft are located on same level straight line；First pin shaft is located at right above the second pin shaft.
In order to stablize support section of jurisdiction, two supporting box are symmetrically arranged on the bottom plate, movable latch component is inserted with fixed
Pin assemblies are respectively positioned between two supporting box.
A kind of pressure-raising method of the section of jurisdiction pressure-raising device suitable for open caisson construction method, steps are as follows: S1: positioning is intended to excavate
Open caisson, smooth location hardens well head peripheral part, forms well head collar tie beam, and be fixedly installed on well head collar tie beam
Few two pressure-raising devices, and complete the debugging to pressure-raising device；
S2: the first endless tube piece of installation, after the completion of pipe sheet assembling, rotation section of jurisdiction and adjustment pressure-raising oil cylinder make on sliding case
First pin shaft reaches in the reserved axis hole in section of jurisdiction, by adjusting the stroke of the pressure-raising oil cylinder of different direction, makes the axis of section of jurisdiction
Line is in plumbness；
S3: open caisson starts to excavate and remove dregs in well, and section of jurisdiction at the uniform velocity sinks under the action of pressure-raising oil cylinder, wait sink down into
Near extreme position, the second pin shaft in Fixed latches component reaches section of jurisdiction and reserves in axis hole, and pressure-raising oil cylinder continues back at this time
Contracting, acts on section of jurisdiction gravity completely on the second pin shaft, and the first pin shaft then slided on case is withdrawn completely；
S4: after the first pin shaft in sliding case is withdrawn, pressure-raising oil cylinder drives movable latch component to rise to certain altitude, starts
Next endless tube piece is lifted, the first telescopic oil cylinder controls the first pin shaft and stretches out the reserved pin hole of insertion next ring standard section of jurisdiction outer wall
It is interior；Section of jurisdiction is successively lifted, the section of jurisdiction of the domain and the splicing of upper endless tube piece are completed；
S5: adjustment pressure-raising oil cylinder makes the complete stress of the first pin shaft, and adjusts section of jurisdiction posture, and the of control Fixed latches component
Two telescopic oil cylinders are shunk, and withdraw the second pin shaft；
S6: section of jurisdiction at the uniform velocity sinks under the action of pressure-raising oil cylinder, in sinking watching, stretches by control different direction first
The amount of feeding and feed speed of contracting oil cylinder, regulate and control the direction of entire well-sinking；
S7: step S3-S6 is repeated, until open caisson depth reaches design requirement.
The utility model provides reliable borehole wall supporting for vertical shaft, and as the provisional or permanent borehole wall, which makes
Subsidence velocity and pit shaft direction of the borehole wall in sinking watching are controllable, effectively improve Completed advance rate, improve the sinking of open caisson
Precision avoids pit shaft deflection and sinks the problems such as difficult.The utility model is ingenious in design, compact-sized, can be according to open caisson diameter
It is of different sizes, multiple groups are evenly arranged around the borehole wall, it is ensured that well-sinking process stress is steady, and practicability is good, with higher
Promotional value.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of the utility model embodiment
It is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the utility model whole interior structural schematic diagram.
Fig. 2 is arrangement schematic diagram of the utility model on well head collar tie beam.
Fig. 3 is overall structure diagram in the utility model embodiment 2.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, embodiment 1, a kind of section of jurisdiction pressure-raising device suitable for open caisson construction method, including be arranged in well
Bottom plate 1 on mouth circle beam 9, bottom plate are fixed on well head collar tie beam by foundation bolt 8, and the bottom plate 1 is equipped at least one branch
Cabinet 2 is supportted, is equipped with pressure-raising oil cylinder 3 inside supporting box 2, pressure-raising oil cylinder is vertically arranged in supporting box, and pressure-raising oil cylinder 5 possesses
Enough strokes ensure that movable latch has sufficient adjustment space when inserting or pull out section of jurisdiction axis hole.Supporting box 2 is equipped with
Sliding case 4, sliding case 4 are matched with supporting box 2, and sliding housing-case is located on supporting box, and is slided up and down along supporting box.Pressure-raising oil
The fixing end of cylinder 3 is connected by cylinder pedestal 5 with bottom plate 1, and the telescopic end of pressure-raising oil cylinder 3 is connected with sliding case 4, in pressure-raising oil
Under the action of cylinder, sliding case 4 is moved along supporting box 2.Sliding case 4 is equipped with movable latch component 6, and bottom plate 1 is equipped with Fixed latches
Component 7, movable latch component 6 is corresponding with Fixed latches component 7, and movable latch component 6 is located at same with Fixed latches component 7
It is corresponding with the axis hole reserved on section of jurisdiction respectively on vertical line.
Further, the movable latch component 6 includes the first telescopic oil cylinder 6-1 and the first axle bed 6-2, the first telescopic oil cylinder
6-1 is fixed at the side of sliding case 4, and the first axle bed 6-2 is fixed at the other side of sliding case 4, the first telescopic oil cylinder 6-1 and
First axle bed 6-2 move synchronously up and down with sliding case, the first pin shaft 6-3 is movably equipped in the first axle bed 6-2, the first pin shaft can
It is rotated and is horizontally slipped in the first axle bed.The telescopic end of first telescopic oil cylinder 6-1 and the first pin shaft 6-3 are hinged.First
Telescopic oil cylinder drives the first pin shaft to be moved left and right.The first telescopic oil cylinder 6-1 is horizontally disposed, the first telescopic oil cylinder 6-1
It is located in same horizontal line with the first pin shaft 6-3.First pin shaft 6-3 is corresponding with the axis hole reserved on section of jurisdiction, stretches by first
The first pin shaft of flexible realization of contracting oil cylinder is flexible in axis hole, realizes the connection to section of jurisdiction.
Embodiment 2 is right on the bottom plate 1 as shown in figure 3, a kind of section of jurisdiction pressure-raising device suitable for open caisson construction method
Title is set there are two supporting box 2, and movable latch component 6 and Fixed latches component 7 are respectively positioned between two supporting box 2.Every set
Two oil cylinders are arranged in device, stretch out and shrink fully synchronized, the gravity and plus-pressure of shared open caisson section of jurisdiction.Pass through difference
The amount of feeding and feed speed for controlling the propelling cylinder of different direction, regulate and control the direction of entire well-sinking.
Further, the Fixed latches component 7 includes the second telescopic oil cylinder 7-1 and the second axle bed 7-2, the second telescopic oil cylinder
7-1 and the second axle bed 7-2 are fixedly connected with bottom plate 1, the second pin shaft 7-3 are movably equipped in the second axle bed 7-2, the second pin shaft can
It rotates and horizontally slips in the second axle bed, the telescopic end of the second telescopic oil cylinder 7-1 and the second pin shaft 7-3 are hinged, and second is flexible
Oil cylinder drives the second pin shaft to horizontally slip in the second axle bed.The second telescopic oil cylinder 7-1 is horizontally disposed, the second telescopic oil cylinder
7-1 and the second pin shaft 7-3 are located on same level straight line；First pin shaft 6-3 is located at right above the second pin shaft 7-3.Second pin shaft
It is corresponding with the axis hole reserved on section of jurisdiction.
Other structures are same as Example 1.
A kind of pressure-raising method of the section of jurisdiction pressure-raising device suitable for open caisson construction method, steps are as follows: S1: positioning is intended to excavate
Open caisson, smooth location hardens well head peripheral part, forms well head collar tie beam, and be fixedly installed on well head collar tie beam
Few two pressure-raising device bottom plates, and complete the debugging to pressure-raising device；The control system of device, oil cylinder are displaced and the detection of pressure
The detection system of sensor and section of jurisdiction posture is integrated on host computer, convenient working person's implementing monitoring.S2: the first endless tube of installation
Piece, after the completion of pipe sheet assembling, rotation section of jurisdiction and adjustment pressure-raising oil cylinder make the first pin shaft on sliding case reach what section of jurisdiction was reserved
In axis hole, by adjusting different direction pressure-raising oil cylinder it is flexible, so that the axis of section of jurisdiction is in plumbness；S3: open caisson starts
Dregs in well is excavated and removes, section of jurisdiction at the uniform velocity sinks under the action of pressure-raising oil cylinder, fixed to insert wait sink down near extreme position
The second pin shaft in pin assemblies reaches section of jurisdiction and reserves in axis hole, and pressure-raising oil cylinder continues to bounce back at this time, makees section of jurisdiction gravity completely
With on the second pin shaft, the first pin shaft then slided in case is withdrawn completely；S4: after the first pin shaft in sliding case is withdrawn, pressure-raising
Oil cylinder drives movable latch component to rise to certain altitude, starts to lift next endless tube piece, the first pin of the first telescopic oil cylinder control
Axis stretches out in the reserved pin hole of insertion next ring standard section of jurisdiction outer wall；Section of jurisdiction is successively lifted, by the section of jurisdiction of the domain and a upper endless tube
Piece splicing is completed；Steel pipe sheet design in the utility model has two groups of pin holes, and the fissure of displacement is allowed to splice, and splicing is completed to be followed by slip casting
Pipe, inspection shaft parietal suture gap.Each endless tube on piece is provided with Grouting Pipe and pipe joint, when section of jurisdiction is spliced into the domain, Grouting Pipe
Mouth connection grouting pump, as needed to the borehole wall followed by slip casting, to reduce the frictional resistance of well-sinking.Section of jurisdiction and section of jurisdiction it
Between in the form of sealing joint strip or welding carry out gap closing, finally make the borehole wall formed good seal core structure or box
Structure.The advantage of steel pipe sheet is to make in advance, and may be reused, and the projects such as pile foundation can be saved effectively
Construction cost.Section of jurisdiction can be changed to Concrete precast pipe element or steel pipe sheet according to actual condition needs.Two kinds of structures
The section of jurisdiction pressure-raising device mentioned using the utility model.S5: adjustment pressure-raising oil cylinder makes the complete stress of the first pin shaft, and adjusts section of jurisdiction
Posture, pressure-raising oil cylinder stretch out a small amount of stroke, and the second telescopic oil cylinder controlled on Fixed latches component 7 is shunk, and receive the second pin shaft
It returns；S6: section of jurisdiction at the uniform velocity sinks under the action of pressure-raising oil cylinder, is shown by the posture on host computer, in sinking watching, Ke Yifen
The amount of feeding and feed speed that the first telescopic oil cylinder of different direction Tong Guo not controlled, adjust the direction of entire well-sinking
Control；S7: step S3-S6 is repeated, until open caisson depth reaches design requirement.Each endless tube piece owns after sinking to ground level or less
Hole need to add end cap to be sealed, and prevent that slurries leakage occurs when underground water exudation or grouting behind shaft or drift lining.When section of jurisdiction weight is greater than the borehole wall
Frictional resistance when, pressure-raising oil cylinder is primarily subjected to the gravity from section of jurisdiction, drives section of jurisdiction by the decompression of oil cylinder rodless cavity
Slow uniform descent.When section of jurisdiction weight is less than the frictional resistance of the borehole wall, the pressurization of pressure-raising cylinder rod chamber, rodless cavity needs to protect at this time
It holds and is centainly pressed, ensure that section of jurisdiction smoothly sinks under collective effect.It can be discerned whether by detection oil cylinder working-pressure during sinking
Antifriction processing is carried out, by the way of wall thickness slip casting to ensure that pit shaft can smoothly sink.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of section of jurisdiction pressure-raising device suitable for open caisson construction method, special including the bottom plate (1) being arranged on well head collar tie beam
Sign is: the bottom plate (1) is equipped with supporting box (2), is equipped with pressure-raising oil cylinder (3) inside supporting box (2), supporting box
(2) it is equipped with sliding case (4), sliding case (4) are matched with supporting box (2), and the fixing end of pressure-raising oil cylinder (3) passes through cylinder pedestal
(5) it is connected with bottom plate (1), the telescopic end of pressure-raising oil cylinder (3) is connected with sliding case (4), and sliding case (4) are moved along supporting box (2)
Dynamic, sliding case (4) are equipped with movable latch component (6), and bottom plate (1) is equipped with Fixed latches component (7), movable latch component (6)
It is corresponding with Fixed latches component (7).
2. the section of jurisdiction pressure-raising device according to claim 1 suitable for open caisson construction method, it is characterised in that: the activity
Latch assembly (6) includes the first telescopic oil cylinder (6-1) and the first axle bed (6-2), and the first telescopic oil cylinder (6-1) setting is in sliding case
(4) side, the first axle bed (6-2) setting are movably equipped with the first pin shaft in the other side of sliding case (4), the first axle bed (6-2)
(6-3), the telescopic end and the first pin shaft (6-3) of the first telescopic oil cylinder (6-1) are hinged.
3. the section of jurisdiction pressure-raising device according to claim 2 suitable for open caisson construction method, it is characterised in that: described first
Telescopic oil cylinder (6-1) is horizontally disposed, and the first telescopic oil cylinder (6-1) and the first pin shaft (6-3) are located in same horizontal line.
4. the section of jurisdiction pressure-raising device according to claim 1 or 3 suitable for open caisson construction method, it is characterised in that: described
Fixed latches component (7) includes the second telescopic oil cylinder (7-1) and the second axle bed (7-2), the second telescopic oil cylinder (7-1) and the second axis
Seat (7-2) is fixedly connected with bottom plate (1), is movably equipped with the second pin shaft (7-3), the second telescopic oil cylinder in the second axle bed (7-2)
The telescopic end of (7-1) and the second pin shaft (7-3) are hinged.
5. the section of jurisdiction pressure-raising device according to claim 4 suitable for open caisson construction method, it is characterised in that: described second
Telescopic oil cylinder (7-1) is horizontally disposed, and the second telescopic oil cylinder (7-1) and the second pin shaft (7-3) are located on same level straight line；First
Pin shaft (6-3) is located at right above the second pin shaft (7-3).
6. being suitable for the section of jurisdiction pressure-raising device of open caisson construction method described according to claim 1 or 3 or 5, it is characterised in that: institute
It states and is symmetrically arranged with two supporting box (2) on bottom plate (1), movable latch component (6) and Fixed latches component (7) are respectively positioned on two
Between supporting box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821742242.8U CN209066469U (en) | 2018-10-26 | 2018-10-26 | A kind of section of jurisdiction pressure-raising device suitable for open caisson construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821742242.8U CN209066469U (en) | 2018-10-26 | 2018-10-26 | A kind of section of jurisdiction pressure-raising device suitable for open caisson construction method |
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| Publication Number | Publication Date |
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| CN209066469U true CN209066469U (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821742242.8U Active CN209066469U (en) | 2018-10-26 | 2018-10-26 | A kind of section of jurisdiction pressure-raising device suitable for open caisson construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-10-26 CN CN201821742242.8U patent/CN209066469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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