CN107059906A - A kind of method that utilization underground shaft robot applies major diameter open caisson - Google Patents
A kind of method that utilization underground shaft robot applies major diameter open caisson Download PDFInfo
- Publication number
- CN107059906A CN107059906A CN201710271660.7A CN201710271660A CN107059906A CN 107059906 A CN107059906 A CN 107059906A CN 201710271660 A CN201710271660 A CN 201710271660A CN 107059906 A CN107059906 A CN 107059906A
- Authority
- CN
- China
- Prior art keywords
- ring plate
- open caisson
- foundation ditch
- excavator
- major diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/183—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with digging unit shiftable relative to the frame
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/22—Component parts
- E02F3/24—Digging wheels; Digging elements of wheels; Drives for wheels
- E02F3/246—Digging wheels; Digging elements of wheels; Drives for wheels drives
Abstract
The invention discloses a kind of method that utilization underground shaft robot applies major diameter open caisson, it the described method comprises the following steps：One cutting shoe circle is hung in the foundation ditch at open caisson position to be applied, and temporary lock positioning is carried out to the basil circle by the downward putting device outside the foundation ditch；Bottom ring plate is installed in the top of the cutting shoe circle, and excavator is installed in the inner surface of the bottom ring plate；The soil body below the foundation ditch is excavated using the excavator, one section of depth of driving is often excavated, top ring plate is installed in the top of the bottom ring plate, and control the cutting shoe circle to settle downwards using the downward putting device, and so on, until driving arrives predetermined depth.It is an advantage of the invention that excavator can be excavated automatically, digging efficiency is high, and uses hydraulic power, can operation under water；The ring plate open caisson process of open caisson is controlled using downward putting device, the sinking speed and posture of ring plate can be effectively adjusted, it is to avoid deflection.
Description
Technical field
The invention belongs to Open caisson construction technology field, and in particular to one kind applies major diameter using underground shaft robot and sunk
The method of well.
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.It is heavy
Well construction technology started to use in the 50's~60 in China, be used primarily in large-scale well-sinking basis and under water, underground engineering etc..
These engineerings 30M scopes periphery is without building or without shallow foundation building, structures, to avoid in open caisson digging process to week
Side soil layer causes disturbance；Lasting groundwater abstraction is needed in open caisson digging process simultaneously, so that workmen and equipment are to heavy
Excavated inside well.
There is problems with Open caisson construction technology of the prior art：（1）It can be caused week during existing open caisson construction
Side ground settlement, influences the safety of neighboring buildings；（2）Existing construction equipment can not be under water in operation, therefore work progress
Lasting precipitation is needed, the ground settlement on job site periphery can be aggravated by continuing precipitation.
The content of the invention
According to the deficiencies of the prior art described above, It is an object of the present invention to provide one kind is applied using underground shaft robot
Make the method for major diameter open caisson, this method is considerably increased by using the excavation robot and cutting shoe downward putting device of automation
The efficiency of open caisson construction reduces disturbance of the work progress to periphery soil layer simultaneously.
The object of the invention is realized and completed by following technical scheme：
A kind of method that utilization underground shaft robot applies major diameter open caisson, the described method comprises the following steps：By a cutting shoe
Circle is hung in the foundation ditch at open caisson position to be applied, and the basil circle is carried out by the downward putting device outside the foundation ditch
Temporary lock is positioned；Bottom ring plate is installed in the top of the cutting shoe circle, and excavation is installed in the inner surface of the bottom ring plate
Robot；The soil body below the foundation ditch is excavated using the excavator, one section of depth of driving is often excavated, in institute
Top ring plate is installed in the top for stating bottom ring plate, and controls the cutting shoe circle to settle downwards using the downward putting device, so past
It is multiple, until driving arrives predetermined depth.
Edge of the downward putting device along the foundation ditch is equally spaced, and the downward putting device is used to lock or discharge company
Connect the steel strand wires of the cutting shoe circle.
Each downward putting device is by adjusting the release length of the steel strand wires to adjust the posture of the basil circle.
The excavator includes cabin, horizontal strut, attitude regulation mechanism and digging arm；Some level branch
Bar stretches out and ridden upon on the guide and limit part on the bottom part ring plate inner surface from the side of the cabin；The posture
Governor motion is arranged on the bottom of the cabin, and the tail end of the digging arm is hinged the attitude regulation mechanism, the connection of its front end
There is the hobboing cutter for cutting soil.
Elevator thermomechanical components are installed in the margin of foundation pit, and the wirerope of the elevator thermomechanical components is connected into the level branch
Bar；The elevator thermomechanical components are used to drive the excavator vertically to move.
The digging arm is telescopic shoveling arm；The attitude regulation mechanism includes revolution adjusting part and the angle of pitch is adjusted
Save component.
The method excavated using the excavator to the soil body below the foundation ditch is：Pass through the angle of pitch
Adjusting part adjusts the angle of inclination of the digging arm, and the length of digging arm described in telescopic adjustment, so that before the digging arm
The hobboing cutter at end is located in required excavating radius and depth；The digging arm is driven to be turned round by the revolution adjusting part
Excavate the soil body.
The front end of the digging arm is also equipped with mud draw-out device；The bottom of foundation ditch is excavated in the excavator
The earthwork during, extract the mud of the bottom of foundation ditch using the mud draw-out device and be delivered to ground, to described
Mud carries out mud-water separation processing, and isolated water is emitted into inside the foundation ditch.
The top ring plate and the bottom ring plate are provided with Grouting Pipe, during the cutting shoe circle is settled,
Bentonite is injected to the outside of the bottom ring plate and the top ring plate by the Grouting Pipe.
The cutting shoe circle is settled down to after predetermined depth, removes the excavator, and irrigate mixed to the bottom of foundation ditch
Solidifying soil.
It is an advantage of the invention that（1）Excavator uses hydraulic power, can operation under water；（2）Use decentralization dress
The ring plate open caisson process of control open caisson is put, the sinking speed and posture of ring plate can be effectively adjusted, it is to avoid deflection；（3）To week
The disturbance of side soil layer is smaller, can be worked in the narrow and small environment in city, the sedimentation on surrounding building and ground is not influenceed；（4）Excavate
Robot can automatic mining, digging efficiency is high, and its digging arm can carry out freely adjusting for brachium, luffing angle and the anglec of rotation
Section control, excavates scope and adaptability is wider.
Brief description of the drawings
Fig. 1 is the schematic diagram of bottom ring plate installation process in the present invention；
Fig. 2 is the side view of excavator installation process in the present invention；
Fig. 3 is the top view of excavator installation process in the present invention；
Fig. 4 is the side view of top ring plate installation process in the present invention；
Fig. 5 is the schematic diagram after the completion of filling concrete in the present invention.
Embodiment
The feature and other correlated characteristics of the present invention are described in further detail by embodiment below in conjunction with accompanying drawing, with
It is easy to the understanding of technical staff of the same trade：
Mark 1-18 is respectively in such as Fig. 1-5, figure：Foundation ditch 1, reinforced concrete foundation 2, cutting shoe circle 3, downward putting device 4, steel strand wires
5th, bottom ring plate 6, excavator 7, guide and limit part 8, cabin 9, horizontal strut 10, attitude regulation mechanism 11, digging arm 12,
Hobboing cutter 13, revolution adjusting part 14, angle of pitch adjusting part 15, elevator thermomechanical components 16, pipelined frame 17, top ring plate 18.
Embodiment：The present embodiment is specifically related to a kind of method that utilization underground shaft robot applies major diameter open caisson, side
Method comprises the following steps：
（1）As shown in figure 1, in the predeterminated position excavation pit 1 of open caisson, and in the earth's surface pouring reinforcement concrete on the periphery of foundation ditch 1
Basis 2, to install the equipment needed for well sinking and bear the active force of well sinking；Reinforced concrete foundation 2 has been constructed
Cheng Hou, assembled cutting shoe circle 3, and cutting shoe circle 3 is hung in inside foundation ditch 1；Cutting shoe circle 3 is annular, and its bottom sides edge, which is provided with, to be used for
Cut the sharp cutting shoe of soil.
The surface of reinforced concrete foundation 2 after the completion of the lifting of cutting shoe circle 3 outside foundation ditch 1 is installed by four downward putting devices 4
（Certainly can also be greater number according to actual conditions）, and be connected downward putting device 4 with cutting shoe circle 3 using steel strand wires 5, so as to
Temporary lock positioning is carried out to cutting shoe circle 3 using downward putting device 4, prevents cutting shoe circle 3 from being settled in the bottom of foundation ditch 1.
In the present embodiment, edge of four downward putting devices 4 along foundation ditch 1 is equally spaced is set, certainly, according to basil circle 3
Diameter or foundation ditch 1 diameter, the quantity of downward putting device 4 can select more；Company can be locked or be discharged to downward putting device 4
It is connected on the steel strand wires 5 on cutting shoe circle 3；During steel strand wires 5 are discharged, downward putting device 4 can adjust the release speed of steel strand wires 5
Degree and release length, and then adjust the sinking speed of the different sides of cutting shoe circle 3.
（2）As shown in Figure 1, 2, 3, after cutting shoe circle 3 and the installation of downward putting device 4, bottom is installed in the top of cutting shoe circle 3
Portion's ring plate 6, both firmly connect；And lifted in the inner surface of bottom ring plate 6 into excavator 7；Specifically：
As shown in Figure 2,3, the diameter of bottom ring plate 6 is identical with the diameter of cutting shoe circle 3 in the present embodiment；Bottom ring plate 6 is erected at
The top edge of cutting shoe circle 3, the guide and limit part 8 for supporting excavator 7 is welded on the pre-buried of the inner surface of bottom ring plate 6
On part；In the present embodiment, the number of guide and limit part 8 is four, and four guide and limit parts 8 are located at identical height, and between waiting
Away from the inside for being distributed in the bottom ring plate 6.
As shown in Figure 2,3, excavator 7 includes cabin 9, horizontal strut 10, attitude regulation mechanism 11 and digging arm
12；Some horizontal struts 10 stretch out from the side of cabin 9 and ride upon the guide and limit part 8 on the inner surface of bottom ring plate 6
On, guide and limit part 8 provides stable upward support force to each horizontal strut 10；In the present embodiment, the number of horizontal strut 10
Mesh is four, and four horizontal struts 10 are distributed in four sides of cabin 9；Attitude regulation mechanism 11 is arranged on the bottom of cabin 9, digs
The tail end of pick arm 12 is hinged attitude regulation mechanism 11, and its front end is connected with the hobboing cutter 13 for cutting the bottom soil of foundation ditch 1.
As shown in Figure 2,3, digging arm 12 is a telescopic shoveling arm 12；Attitude regulation mechanism 11 includes being located in cabin 9
The revolution adjusting part 14 in portion and the angle of pitch adjusting part 15 for being connected to revolution adjusting part 14 bottom, digging arm 12 are hinged
In the bottom of angle of pitch adjusting part 15；Revolution adjusting part 14 can drive angle of pitch adjusting part 15 and digging arm 12 same
In step revolution, the present embodiment, the revolution range of revolution adjusting part 14 is positive and negative 180 °, so as to prevent the line in cabin 9
Cable is wound；Hydraulic jack is provided between angle of pitch adjusting part 15 and digging arm, by controlling the flexible of hydraulic jack,
The angle of inclination of digging arm 12 can be controlled；The retractor device of hydraulic-driven is internally provided with digging arm 12, it is flexible by this
Device, can adjust the brachium of digging arm 12.In the present embodiment, revolution adjusting part 14, the flexible dress inside digging arm 12
Put and the hobboing cutter 13 of digging arm 12 uses hydraulic jack or hydraulic motor as power, so as to be suitable for underwater operation, keep away
Exempt to cause to touch the failures such as electric leakage using power components.
As shown in Figure 2,3, three elevator thermomechanical components 16 are equipped with the surface of the reinforced concrete foundation 2 at the edge of foundation ditch 1, and
By the lifting eye on the wirerope connection horizontal strut 10 of elevator thermomechanical components 16；Elevator thermomechanical components 16 are used to drive excavator 7
Vertically move, i.e., excavator 7 is lifted and moved into bottom ring plate 6 and along guide and limit part 8 is smoothly upper and lower
It is dynamic；After the installation of elevator thermomechanical components 16, in the surface mounted tubes line carriage of the reinforced concrete foundation 2 at the edge of foundation ditch 1
17, pipelined frame 17 is used to support the various pipelines being connected in cabin 9.
As shown in Figure 2,3, in the present embodiment, the guide and limit part 8 of the inner surface of bottom ring plate 6 has top buckle and bottom
Portion's buckle, coordinates elevator thermomechanical components 16 horizontal strut 10 of excavator 7 can be fixed on into the top buckle or described
Bottom buckle, and then adjust the height of the excavator 7 and excavate scope.
（3）As shown in figure 4, being excavated using excavator 7 to the soil body of the lower section of foundation ditch 1, one section of driving is often excavated
Depth, in bottom, the top of ring plate 6 is installed is fixedly connected between top ring plate 18, adjacent top ring plate 18；And use decentralization
The sedimentation downwards of the control cutting shoe of device 4 circle 3, and so on, until driving arrives predetermined depth.
As shown in figure 4, the method excavated using excavator 7 to the soil body below foundation ditch is：Pass through the angle of pitch
Adjusting part 15 adjusts the angle of inclination of digging arm 12, and the length of telescopic adjustment digging arm 12, so that the front end of digging arm 12
Hobboing cutter 13 is located in required excavating radius and depth；Digging arm 12 is driven to carry out revolution excavation soil by turning round adjusting part 14
Body；The front end of digging arm 12 is also equipped with mud draw-out device；In the process of the earthwork of the excavation pit bottom of excavator 7
In, extract the mud of the bottom of foundation ditch 1 using mud draw-out device and be delivered to ground, mud-water separation processing, place are carried out to mud
Isolated water is emitted into inside foundation ditch after reason.
In the present embodiment, the underground water in foundation ditch 1 need not be extracted in mining process, the excavation machine being hydraulically operated
People 7 can carry out digging operation under water；Control room outside foundation ditch 1 can be carried out manually to excavator 7
Control, semiautomatic control or automatic Programming control；Display device in control room can show excavating equipment various data and
Monitored picture.
In the present embodiment, when the soil property of bottom of foundation ditch is soft native, it is only necessary to the excavation pit 1 of usage mining robot 7
The soil body of bottom centre, the soil body positioned at the lower section of cutting shoe circle 3, the bottom margin of foundation ditch 1 can utilize sword in the infall process of cutting shoe circle 3
The bottom sides edge cutting of pin circle 3；When the soil property of bottom of foundation ditch is hard soil, it is necessary to which excavator 7 is fixed into guiding limit
The bottom buckle of position part 8, so that excavator 7 excavates the soil body immediately below cutting shoe circle 3.
As shown in figure 4, in the infall process of cutting shoe circle 3, being connected to the top ring plate 18 and bottom part ring of the top of cutting shoe circle 3
The sedimentation synchronous with cutting shoe circle 3 of piece 6；In each infall process, the bulk settling depth of cutting shoe circle 3 is adjusted by downward putting device 4；
In cutting shoe circle infall process, the rate of release and lower section length of the downward putting device 4 of the different sides of cutting shoe circle 3 can be adjusted,
So as to adjust the sinking speed of the not ipsilateral of cutting shoe circle 3, and then adjust the appearance of cutting shoe circle 3, top ring plate 18 and bottom ring plate 6
State, it is to avoid the inclination angle of top ring plate 18 and bottom ring plate 6 shifts in infall process.
As shown in figure 4, top ring plate 18 and bottom ring plate 6 are provided with Grouting Pipe, the process settled in cutting shoe circle 3
In, bentonite is injected to the outside of bottom ring plate 6 and top ring plate 18 by Grouting Pipe, bentonite can play the work of lubrication
With being easy to top ring plate and bottom ring plate to settle.
（4）As shown in figure 5, after cutting shoe circle 3 is settled down to predetermined depth, excavator is removed by the lifting of elevator thermomechanical components 16
Device people 7 and its attached pipeline, and to the bottom concrete perfusion of foundation ditch 1, block foundation ditch and bottom ring plate after concrete setting；With
The construction of open caisson can be completed by extracting the ponding inside bottom ring plate 6 and top ring plate 18 afterwards.
The advantageous effects of the present embodiment are：（1）Excavator uses hydraulic power, can operation under water；（2）
The ring plate open caisson process of open caisson is controlled using downward putting device, the sinking speed and posture of ring plate can be effectively adjusted, it is to avoid partially
Tiltedly；（3）Disturbance to periphery soil layer is smaller, can be worked in the narrow and small environment in city, and the heavy of surrounding building and ground is not influenceed
Drop；（4）Excavator can automatic mining, digging efficiency is high, and its digging arm can carry out brachium, luffing angle and the anglec of rotation
Degree freely adjusts control, excavates scope and adaptability is wider.
Claims (10)
1. a kind of method that utilization underground shaft robot applies major diameter open caisson, it is characterised in that methods described includes following step
Suddenly：One cutting shoe circle is hung in the foundation ditch at open caisson position to be applied, and by the downward putting device outside the foundation ditch to institute
State basil circle and carry out temporary lock positioning；Bottom ring plate is installed in the top of the cutting shoe circle, and in the bottom ring plate
Surface is installed by excavator；The soil body below the foundation ditch is excavated using the excavator, driving is often excavated
One section of depth, installs top ring plate in the top of the bottom ring plate, and using the downward putting device control the cutting shoe circle to
Lower sedimentation, and so on, until driving arrives predetermined depth.
2. the method that a kind of utilization underground shaft robot according to claim 1 applies major diameter open caisson, its feature exists
It is equally spaced in edge of the downward putting device along the foundation ditch, the downward putting device is used to lock or discharge described in connection
The steel strand wires of cutting shoe circle.
3. the method that a kind of utilization underground shaft robot according to claim 1 applies major diameter open caisson, its feature exists
In each downward putting device by adjusting the release length of the steel strand wires to adjust the posture of the basil circle.
4. the method that a kind of utilization underground shaft robot according to claim 1 applies major diameter open caisson, its feature exists
Include cabin, horizontal strut, attitude regulation mechanism and digging arm in the excavator；Some horizontal struts are from institute
The side for stating cabin stretches out and ridden upon on the guide and limit part on the bottom part ring plate inner surface；The attitude regulation machine
Structure is arranged on the bottom of the cabin, and the tail end of the digging arm is hinged the attitude regulation mechanism, and its front end, which is connected with, to be used for
Cut the hobboing cutter of soil.
5. the method that a kind of utilization underground shaft robot according to claim 4 applies major diameter open caisson, its feature exists
In installing elevator thermomechanical components in the margin of foundation pit, and the wireropes of the elevator thermomechanical components is connected into the horizontal strut；It is described
Elevator thermomechanical components are used to drive the excavator vertically to move.
6. the method that a kind of utilization underground shaft robot according to claim 4 applies major diameter open caisson, its feature exists
In the digging arm be telescopic shoveling arm；The attitude regulation mechanism includes revolution adjusting part and angle of pitch regulation group
Part.
7. the method that a kind of utilization underground shaft robot according to claim 6 applies major diameter open caisson, its feature exists
It is in the method excavated using the excavator to the soil body below the foundation ditch：Pass through the angle of pitch regulation group
Part adjusts the angle of inclination of the digging arm, and the length of digging arm described in telescopic adjustment, so that the rolling of the digging arm front end
Cutter spacing is in required excavating radius and depth；Drive the digging arm to carry out revolution by the revolution adjusting part and excavate soil
Body.
8. the method that a kind of utilization underground shaft robot according to claim 4 applies major diameter open caisson, its feature exists
Mud draw-out device is also equipped with the front end of the digging arm；The earthwork of the bottom of foundation ditch is excavated in the excavator
During, extract the mud of the bottom of foundation ditch using the mud draw-out device and be delivered to ground, the mud is entered
The processing of row mud-water separation, isolated water is emitted into inside the foundation ditch.
9. the method that a kind of utilization underground shaft robot according to claim 1 applies major diameter open caisson, its feature exists
Grouting Pipe is provided with the top ring plate and the bottom ring plate, during the cutting shoe circle is settled, passes through institute
State Grouting Pipe and inject bentonite to the outside of the bottom ring plate and the top ring plate.
10. the method that a kind of utilization underground shaft robot according to claim 1 applies major diameter open caisson, its feature exists
It is settled down in the cutting shoe circle after predetermined depth, removes the excavator, and to the bottom of foundation ditch concrete perfusion.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271660.7A CN107059906A (en) | 2017-04-24 | 2017-04-24 | A kind of method that utilization underground shaft robot applies major diameter open caisson |
| CN202110216353.5A CN112962648A (en) | 2017-04-24 | 2017-04-24 | Method for constructing large-diameter open caisson by using underground shaft robot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710271660.7A CN107059906A (en) | 2017-04-24 | 2017-04-24 | A kind of method that utilization underground shaft robot applies major diameter open caisson |
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| CN202110216353.5A Pending CN112962648A (en) | 2017-04-24 | 2017-04-24 | Method for constructing large-diameter open caisson by using underground shaft robot |
| CN201710271660.7A Pending CN107059906A (en) | 2017-04-24 | 2017-04-24 | A kind of method that utilization underground shaft robot applies major diameter open caisson |
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