CN105089062B - It is engaged lagging pile and construction method thereof and application - Google Patents

It is engaged lagging pile and construction method thereof and application Download PDF

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Publication number
CN105089062B
CN105089062B CN201510505447.9A CN201510505447A CN105089062B CN 105089062 B CN105089062 B CN 105089062B CN 201510505447 A CN201510505447 A CN 201510505447A CN 105089062 B CN105089062 B CN 105089062B
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drilling
drilling rod
pile
concrete pile
construction
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CN105089062A (en
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庄金
敖文
庄春
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Shaanxi Zhuangxin Construction Engineering Co.,Ltd.
China Railway Siyuan Survey and Design Group Co Ltd
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SHAANXI ZHUANGXIN CONSTRUCTION ENGINEERING CO LTD
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Abstract

The invention discloses a kind of occlusion lagging pile, including multiple plain concrete piles laid from front to back and multiple reinforced concrete pile laid from front to back, plain concrete pile and reinforced concrete pile are in being laid staggeredly, the pile body of each reinforced concrete pile is engaged mutually with the pile body of former and later two plain concrete piles, and retaining wall is effective；Disclosed occlusion lagging pile construction method, including step: one, plain concrete pile driving construction: construct multiple plain concrete piles from front to back；Two, armored concrete pile driving construction: in multiple plain concrete pile work progress, from front to back multiple reinforced concrete piles are constructed；The Completion of Drilling Hole work progress of any one reinforced concrete pile is both needed to adjacent two plain concrete piles front and back to be carried out after all having constructed, and its method is simple, reasonable in design and easy construction, and efficiency of construction is high, construction effect is good；Further, the invention discloses a kind of application being engaged lagging pile, multiple occlusion lagging piles be fastenedly connected into foundation ditch dado structure.

Description

It is engaged lagging pile and construction method thereof and application
Technical field
The invention belongs to foundation basic construction technical field, especially relate to a kind of occlusion lagging pile and construction method thereof and Application.
Background technology
After excavation of foundation pit, the earthwork of side slope can be collapsed in hole because of lateral pressure, so that foundation ditch retaining wall.Foundation ditch retaining wall Method is a lot, as beaten anchor pole, soil nailing, gunite concrete, lagging pile etc..Wherein, the form that lagging pile is arranged by row of piles divides again occlusion Stake and non-occlusive stake, interlocking pile forms the retaining wall piling wall that foundation ditch carries out retaining wall.Interlocking cast in situ pile is the one side of foundation ditch retaining wall Formula.But nowadays, when using interlocking cast in situ pile that foundation ditch is carried out panelling construction, neither one unification, specification and concrete construction Method can be followed, use above-mentioned conventional construction method be inevitably present when constructing constructing operation more random, lack of standardization, behaviour Make that loaded down with trivial details, speed of application is slow, work is relatively low, interlocking cast in situ pile construction quality can not be effectively ensured, using effect is poor in construction Etc. problems, and restricted application, can only be suitable at cohesive soil, silt, the soil layer such as banket, run into Compact sandy-pebble Then creeping into difficulty when stratum or major diameter boulder bed maybe cannot creep into, thus soil layer adapts to scarce capacity, some areas cannot be adopted With.
Summary of the invention
The technical problem to be solved is for above-mentioned deficiency of the prior art, it is provided that a kind of occlusion retaining wall Stake, its simple in construction, reasonable in design, construction cost is relatively low and easy construction, construction quality are prone to ensure, uses plain concrete pile The mode being laid staggeredly with reinforced concrete pile and be mutually twisted, retaining wall is effective.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of occlusion lagging pile, it is characterised in that: Including multiple plain concrete piles laid from front to back and multiple reinforced concrete pile laid from front to back, multiple described elements mix The stake of solidifying soil and multiple described reinforced concrete pile are all in vertically to laying and it is all laid on same vertical plane, multiple described elements Concrete-pile is cylindrical stake with multiple described reinforced concrete piles and it is long the most identical with stake footpath；Multiple described reinforcing bars mix The structure of solidifying soil stake is the most identical and its pile body is armored concrete pile body, described armored concrete pile body by concrete pile body and The steel reinforcement cage composition being laid in described concrete pile body；The structure of multiple described plain concrete piles is the most identical and its pile body is Plain concrete pile body；Described plain concrete pile and reinforced concrete pile in being laid staggeredly, adjacent two described plain concrete piles it Between be laid with a reinforced concrete pile；The pile body of each described reinforced concrete pile be positioned at two institutes of both sides before and after it The pile body stating plain concrete pile is engaged mutually, and each described reinforced concrete pile be positioned at before and after it described in two of both sides Pile spacing between plain concrete pile is D, wherein D=d-d0, d0Pile body and the stake of reinforced concrete pile for plain concrete pile The middle part width of bite and d between body0>=50mm, d are stake footpath and the d ＞ Φ of plain concrete pile and reinforced concrete pile 240mm；Multiple described plain concrete piles and the occlusion of multiple described reinforced concrete pile form a retaining wall piling wall.
Above-mentioned occlusion lagging pile, is characterized in that: described steel reinforcement cage is cylindrical reinforcing steel cage, in described armored concrete pile body Steel reinforcement cage and described concrete pile body lay in coaxial；The outer diameter D of described steel reinforcement cage0＜ D1, wherein D1=d-2d0；Described steel Muscle cage include vertical applied force reinforcing bar that multiple tracks along the circumferential direction lays with together with from top to bottom cuff at vertical applied force described in multiple tracks Spiral type stirrup outside reinforcing bar, vertical applied force reinforcing bar described in multiple tracks is fastenedly connected by spiral type stirrup and is integrated.
Above-mentioned occlusion lagging pile, is characterized in that: described
Meanwhile, the invention also discloses that a kind of method step is simple, reasonable in design and easy construction, efficiency of construction is high, execute The occlusion lagging pile construction method that work is effective, it is characterised in that the method comprises the following steps:
Step one, plain concrete pile driving construction: the most multiple described plain concrete piles are constructed, until complete Become the work progress of all plain concrete piles；
The construction method of multiple described plain concrete piles is the most identical；To when any one described, plain concrete pile is constructed, All comprise the following steps:
Step 101, drilling and forming hole and filling concrete construction: first the stake holes to this plain concrete pile carries out drilling and forming hole and executes Work, then concrete perfusion in the boring of construction molding from the bottom to top；
Step 102, pile: after institute's concrete perfusion final set in step 101, it is thus achieved that the plain concrete pile of construction molding；
Step 2, armored concrete pile driving construction: from front to back multiple described plain concrete piles are constructed in step one During, the most multiple described reinforced concrete piles are constructed, until completing all reinforced concrete piles Work progress；After all reinforced concrete piles have all been constructed, it is thus achieved that the retaining wall piling wall of construction molding；
The construction method of multiple described reinforced concrete piles is the most identical；Reinforced concrete pile any one described is constructed Time, all comprise the following steps:
Step 201, drilling and forming hole and filling concrete construction: first the stake holes of this reinforced concrete pile is carried out drilling and forming hole Construction, then concrete perfusion in the boring of construction molding from the bottom to top；
In this step, the drilling and forming hole work progress of described reinforced concrete pile, need to before and after this reinforced concrete pile phase Two adjacent described plain concrete piles are carried out after all having constructed；
Step 202, steel reinforcement cage insert: use vibrator and with mode of vibration, inserted by the steel reinforcement cage that molding is pre-machined In step 201 in institute's concrete perfusion；
Step 203, pile: after institute's concrete perfusion final set in step 201, the fastening of steel reinforcement cage described in step 202 is solid In described concrete pile body, it is thus achieved that the reinforced concrete pile of construction molding.
Said method, is characterized in that: when carrying out steel reinforcement cage insertion in step 202, treats filling concrete construction in step 201 After completing, immediately the steel reinforcement cage that molding is pre-machined is inserted in institute's concrete perfusion；Further, irrigated in step 201 mixed Before the initial set of solidifying soil, complete steel reinforcement cage insertion process.
Said method, is characterized in that: when carrying out drilling and forming hole and filling concrete construction in step 101 neutralization procedure 201, All use bored concrete pile shaped device to carry out the drilling and forming hole constructing and used and concrete grouting construction method is the most identical；
Described bored concrete pile shaped device includes being assembled creeping into of being formed by drilling rod and the drill bit that is coaxially mounted to bottom drilling rod Described drilling equipment is transferred and crept into along drilling direction by equipment, drilling process and puts tailing edge drilling direction in place to described brill Enter that equipment carries out promoting transfer/lifting system, the electronic rotation drive mechanism driving described drilling equipment to rotate continuously, Described transfer/drilling rod carries out in lifting process by drilling rod continuous grouting form boring in institute's molding is holed by lifting system In the grouting equipment of bored concrete pile, drilling process, the actual drilling depth to described drilling equipment detects and lifting process in real time In the actual hoisting depth of described drilling equipment is detected in real time drilling depth/hoisting depth detector unit, crept into The drilling rod torque detecting unit that in journey, the moment of torsion of drilling rod detected in real time, to described transferring/lifting system, described electronic rotation Turn drive mechanism and controller that described grouting equipment is controlled and the parameter input unit that connects with described controller, institute State drilling depth/hoisting depth detector unit and drilling rod torque detecting unit all connects with described controller；Described electronic rotation Drive mechanism is in transmission connection by the outer end of connecting gear one with drilling rod, and described electronic rotation drive mechanism and control Device connects；Described transfer/lifting system connects with the outer end of drilling rod；Described grouting equipment includes slip storage device and institute Stating the pumping line that slip storage device connects and the driving pump being arranged on pumping line, described driving pump is by described controller It is controlled and it connects with described controller；Described drilling rod includes inner hollow and the most identical slip casting core of diameter Bar one and the helical blade one being from top to bottom laid on slip casting core bar one lateral wall, the width of described helical blade one is by up to Under the most identical；Described pumping line is arranged on the outer end of drilling rod and it communicates with the inside of slip casting core bar one；Described spiral From top to bottom being provided with serrated knife outside blade one, it is d that described serrated knife stretches out the width outside helical blade one1, wherein d1= 15mm～30mm；The outer diameter D 1 ＞ Φ 150mm of described slip casting core bar one, the outer diameter D 2 ＞ Φ 200mm of described helical blade one and D2=d-2d1；Have bottom described drill bit on grout outlet and described grout outlet and be provided with check-valves；Described transfer/lifting system Promoting including drilling rod and transfer wirerope and promote drilling rod and transfer wirerope and carry out the electric retracting-releasing device of folding and unfolding, described drilling rod carries Liter is fixed on drilling rod with the one end transferring wirerope and its other end is fastened on described electric retracting-releasing device；
When step 101 neutralization procedure 201 carries out drilling and forming hole and filling concrete construction, all comprise the following steps:
Step I, Initial parameter sets: set the multiple of used bored concrete pile shaped device by described parameter input unit Initial parameter；Multiple described initial parameters include the initial rotation speed of drilling rod in drilling rod torque maximum Mmax, drilling process Setting value vTurn 1, initial lowering velocity setting value v of drilling rodPut, carry the initial rotation speed setting value v of drilling rod during brillTurn 2, carry The lifting speed v of drilling rod during brillCarry, the initial pump discharge m of described grouting equipment0With need the long L of molding Pile With stake footpath d；
Step II, creep into: control described electric retracting-releasing device and described electronic rotation drive mechanism by described controller After startup, in conjunction with v set in step ITurn 1And vPutAnd by described controller to described electric retracting-releasing device and described electricity The rotating speed of dynamic rotary drive mechanism is controlled adjusting with turning to so that described drilling equipment is in the state of being drilled down into, and makes Drilling rod promote with transfer wirerope be in drilling rod is transferred transfer state；In drilling process, detected by drilling rod moment of torsion Unit is to the actual torque M of drilling rod in drilling processRealDetect in real time and detected synchronizing information is sent to described control Device, described controller calls drilling rod torque difference comparison module and judges the actual torque M of drilling rod under current stateRealWhether exceed Mmax, and according to judged result, described electronic rotation drive mechanism is controlled: when judging to draw MReal> Mmax time, described control Device processed carries out, by controlling described electronic rotation drive mechanism, adjustment of slowing down to the rotary speed of drilling rod；Otherwise, described controller It is accelerated the rotary speed of drilling rod adjusting by controlling described electronic rotation drive mechanism；
Meanwhile, the actual of described drilling equipment is crept into by drilling process by drilling depth/hoisting depth detector unit Degree of depth LRealDetect in real time and detected synchronizing information is sent to described controller, until LRealDuring >=L, described controller leads to Cross control described electric retracting-releasing device make drilling rod stop be drilled down into, it is thus achieved that molding is holed and enters step III；
Step III, carry brill and synchronous grouting: v set in integrating step ICarry、vTurn 2And m0, and by described controller pair Described electric retracting-releasing device, described electronic rotation drive mechanism and described driving pump are controlled so that drilling rod promotes and transfers Wirerope is in the lifting state promoting drilling rod, and carries out continuously in institute's molding boring after controlling described driving pump startup Slip casting, the most described drilling equipment is in and puies forward brill state；During carrying brill, under the control action of described controller, described brill Bar is in the direction of rotation rotation status identical with drilling process or rotary speed is the non-rotating state of zero；
Meanwhile, described controller also needs to call actual hoisting depth H that hoisting depth monitoring module judges under current stateReal Whether more than needing the long L of molding Pile, and according to judged result, described electric retracting-releasing device, described electronic rotation are driven Motivation structure and described driving pump are controlled: when judging to draw HRealDuring >=L, the described controller described electric retracting-releasing device of control, Described electronic rotation drive mechanism and described driving pump are the most out of service, now complete drilling and forming hole and filling concrete construction Forming process.
Said method, is characterized in that: described helical blade one is single coil configuration and its pitch K ＞ 200mm；
Pressing mechanism that described bored concrete pile shaped device also includes pressurizeing drilling rod along drilling direction in drilling process, In the rod rotation speed detector unit that in drilling process, the rotating speed of drilling rod detected in real time, drilling process under reality to drilling rod Put in the drilling rod lowering velocity detector unit and drilling process that speed detects in real time and drilling rod institute bearing load is carried out in real time Detecting and be sent to by detected synchronizing information the drilling rod loading detection unit of described controller, the detection of described rod rotation speed is single Unit, drilling rod lowering velocity detector unit and drilling rod loading detection unit all connect with described controller, and described pressing mechanism is installed On drilling rod and it is controlled by described controller；
In step I, multiple described initial parameters also include drilling rod load maximum Fmax, drilling depth difference setting value S0And spiral Pitch K of blade one；
In step II in drilling process, by rod rotation speed detector unit and drilling rod lowering velocity detector unit respectively to brill Actual speed V of barTurnActual lowering velocity V with drilling rodPutDetect in real time and detected synchronizing information be sent to described Controller；Described controller calls drilling depth differential conversion module and according to formula SReal=VTurn×d-VPutTo current drilling depth difference SRealCount Calculate, and call drilling depth difference difference comparsion module and judge current drilling depth difference SRealWhether less than drilling depth difference setting value S0, and according to judgement Described pressing mechanism is controlled by result: when judging to draw SReal＜ S0Time, by described controller, described pressing mechanism is entered Row controls so that the pressure that described pressing mechanism is applied on described drilling equipment is progressively reduced until SReal≥S0；
Otherwise, the load F that under the current state detected drilling rod loading detection unit, drilling rod is bornRealIt is analyzed, Judge load FRealWhether more than Fmax: when judging to draw FRealDuring ＜ Fmax, by described controller, described pressing mechanism is carried out Control so that the pressure that described pressing mechanism is applied on described drilling equipment is gradually increased, to meet described drilling equipment To lower feeding demand；Otherwise, F is drawn when judgementRealDuring >=Fmax, described pressing mechanism is maintained to be applied on described drilling equipment Pressure is constant；
During carrying brill in step III, described controller is by controlling described pressing mechanism so that described pressing mechanism is executed Being added in the pressure on described drilling equipment is zero.
Said method, is characterized in that: described bored concrete pile shaped device also include creeping into put in place after described electronic rotation is driven The drilling rod driving electric current to detect in real time that motivation structure drives described drilling equipment to rotate rotates and drives current detecting unit, institute Stating drilling rod rotation drives current detecting unit to connect with described controller；In step I, multiple described initial parameters also include creeping into The unloaded of the most described electronic rotation drive mechanism drives electric current I；
When controller described in step II makes drilling rod stop being drilled down into by controlling described electric retracting-releasing device, institute State drilling equipment to creep into and put in place；
Described drilling equipment creeps into after putting in place, also needs to carry out creeping into the subsequent treatment that puts in place: rotated by drilling rod and drive electric current Detector unit drives the driving electric current I that described drilling equipment rotates to described electronic rotation drive mechanism under current stateRealCarry out Detected synchronizing information is also sent to described controller by detection in real time, and drilling rod under current state is rotated and drives by described controller The detected information of current detecting unit is analyzed, and works as IRealDuring=I, complete drilling process；Afterwards, also need having crept into Compaction treatment is carried out at the bottom of described molding drilling hole；Before compaction treatment, first pass through described parameter input unit input compaction treatment Time t；
And when carrying out compaction treatment, described controller is by being controlled, by drilling rod described electronic rotation drive mechanism Rotary speed be down to below 3r/min；Meanwhile, described controller is by controlling described pressing mechanism, by drilling rod institute bearing load FRealAdjust to Fmax；Afterwards, described controller, according to compaction treatment time t set in advance, completes at the bottom of described molding drilling hole Compaction treatment process.
Said method, is characterized in that: described pressing mechanism is steel cable type pressue device or sprocket chain strip pressue device；Institute State steel cable type pressue device and include that along drilling direction, drilling rod carrying out drop-down pressurization wirerope and providing for pressurization wirerope pulls down The applying mechanism one of power, one end of described pressurization wirerope is fixed on described electronic rotation drive mechanism or drilling rod and its other end It is fixed on described applying mechanism one；Described sprocket chain strip pressue device includes sprocket chain strip transmission mechanism and applying mechanism Two, described sprocket chain strip transmission mechanism includes drilling rod carrying out drop-down chain, by described applying mechanism two band along drilling direction Dynamic rotate and rotate while drive chain to carry out synchronous axial system drive sprocket and chain is guided multiple from Movable sprocket, described drive sprocket and multiple described driven sprocket are all used in combination with chain, and the two ends of described chain are respectively Being fixed on the top and the bottom of described electronic rotation drive mechanism, the wheel shaft of described drive sprocket and described applying mechanism two carry out transmission Connect；Described applying mechanism one and described applying mechanism two are controlled by described controller；
Described applying mechanism one and described applying mechanism two are described electric retracting-releasing device, one end of described pressurization wirerope It is fixed on bottom described electronic rotation drive mechanism or the upper end of drilling rod and its other end are fastened at described electric retractable On device；The wheel shaft of described drive sprocket is in transmission connection with described electric retracting-releasing device；Chain described in drilling process or The drop-down speed of pressurization wirerope promotes all identical with the actual lowering velocity of drilling rod with the lowering velocity transferring wirerope with drilling rod；Institute The actual lowering velocity stating drilling rod is consistent with the running speed of described electric retracting-releasing device；
During carrying brill in drilling process neutralization procedure III in step II, described controller is described electronic by controlling adjustment The running speed of draw off gear, the pressure being applied on described drilling equipment to described pressing mechanism is adjusted: when need to be to institute State pressing mechanism to be applied to the pressure on described drilling equipment and carry out increasing when adjusting, by the operating of described electric retracting-releasing device speed Degree gradually tunes up, and the most described drilling equipment is in pressurized state；When described pressing mechanism being applied to described drilling equipment On pressure carry out reduce adjust time, the running speed of described electric retracting-releasing device is gradually turned down, the most described drilling equipment It is in decompression state；And when the running speed of described electric retracting-releasing device gradually turned down be applied to described pressing mechanism described When pressure on drilling equipment is zero, the most described drilling equipment is in its non-pressurized condition.
It addition, the invention also discloses a kind of application being engaged lagging pile, it is characterized in that: by multiple described occlusion lagging piles Be fastenedly connected the foundation ditch dado structure that paired foundation ditch carries out reinforcing, described foundation ditch dado structure be I-shaped, L-shaped, door font, T-shaped or square shape.
The present invention compared with prior art has the advantage that
1, the occlusion lagging pile simple in construction that used, reasonable in design, construction cost is relatively low and easy construction, construction quality It is prone to ensure.
2, the occlusion lagging pile that used uses plain concrete pile and reinforced concrete pile to be laid staggeredly and is mutually twisted Mode, retaining wall is effective.Further, the pile body of each reinforced concrete pile be positioned at two plain concrete piles of both sides before and after it Pile body interlocking pile mutually so that do not have gap between plain concrete pile and reinforced concrete pile, it is possible to effectively outside envelope shelves foundation ditch Water, make retaining wall formed continuous effective sealing surface.Simultaneously as place an armored concrete between two plain concrete piles Stake so that occlusion lagging pile has enough bendings resistance, it is possible to effectively keep out the soil pressure outside wall and building pressure, protects The safety of card foundation pit walls.
3, in the occlusion lagging pile used reinforced concrete pile be positioned at two plain concrete piles of both sides before and after it Between bite size design reasonable, not only easy construction, and construction effect is good, construction quality is prone to ensure.
4, the occlusion lagging pile construction method step used is simple, reasonable in design and easy construction, efficiency of construction is high, execute Work is effective, and energy is easy, quick and high-quality completes to be engaged the work progress of lagging pile.During practice of construction, first to from front to back Multiple plain concrete piles are constructed, and in multiple plain concrete pile work progress, from front to back in the phase constructed Constructing multiple reinforced concrete piles respectively between adjacent two plain concrete piles, work progress is safe and reliable, construction quality It is prone to guarantee and construction effect is good, workable.
5, to armored concrete pile driving construction, time, employing first carries out drilling and forming hole and filling concrete construction is inserted into steel reinforcement cage Construction method, there is easy construction, difficulty of construction is low, speed of application is fast, efficiency is high, construction quality is high, mud-less pollution, work The features such as journey cost is low, environmental protection, are particularly suited between two plain concrete piles constructed construction mutual with the two The reinforced concrete pile work progress of occlusion.
6, when plain concrete pile and reinforced concrete pile are carried out drilling and forming hole and filling concrete construction, the filling used Forming pile apparatus structure is reasonable in design, it is easy and simple to handle to use and using effect good, intelligence degree is high, service behaviour safely may be used for note Lean on.Meanwhile, the moment of torsion of this shaped device is big, speed is fast, it is possible to low cost, become various complicated geological soil layers expeditiously Constructing in hole, overcomes tradition pore-creating filling pile to execute time cost at complex random systems such as sand bed, cobble, decomposed rock, level of ground water height high, Speed of application is slow, the shortcoming even cannot constructed.It is provided with pressing mechanism simultaneously, by wirerope or chain, drilling rod can be carried out Pressurization, when meeting closely knit boulder bed or strong-weathered rock, can enable compression system, to keep the feeding of drill bit.Adopt during whole hole Can be to carrying out compaction at the bottom of hole with compression system, it is to avoid stake end loosened soil.The pressing mechanism that used, high pulling torque drilling rod and high-strength Drill bit matches so that this shaped device is close above boulder bed in can creeping into, and has stronger embedding ability.It addition, Electronic rotation drive mechanism uses high pulling torque adjustable speed unit head, the most double dynamical high powe design pattern, provides for extruding construction Enough power sources.The unit head rotating speed of this shaped device and hoist engine rotating speed all use linear smoothing speed governing, coordinate industry meter The control of calculation machine makes can produce in construction is unearthed and two kinds of bore modes of soil compaction, to tackle different soil.Thus, have applicable The feature that scope is wide, by changing the drilling rod of different-diameter and drill bit, can the bored concrete pile of long to piles with different footpath and stake more than 30 meters Construct.Further, have and automatically control pumping control function, provide for pile quality and ensure.
7, the drilling rod used and drill bit, when running into boulder bed, can be extruded into the cobble of major diameter in hole wall by drilling tool, no The unearthed passage formed with the helical blade of width can be by outside the cobble tap of minor diameter.The drilling rod used is half soil compaction type Drilling rod, coordinates automatic control system to be controlled " drilling depth is poor " so that soil press ratio can reach more than 2 times.
8, serrated knife from top to bottom it is provided with on the helical blade one of drilling rod, it is possible to effectively cut concrete, make between stake Occlusion is connected, and overcomes conventional drill cannot effectively cut the shortcoming that concrete carries out pile body occlusion.Due to occlusion lagging pile In work progress, need between two piles of concrete perfusion, carry out occlusion boring, it is desirable to drilling rod has cutting concrete Ability；The blade edge of conventional drill is smooth；And the alloy serrated knife that on the drilling rod of the present invention, welded high-strength is special, make Its edge is dentation, it is possible to cut concrete tartly, it is achieved smooth engagement.Meanwhile, to serrated knife cuts the structure of tooth, quantity It is optimized design with installation position etc., is further ensured that hole quality and drilling construction efficiency.
9, the bored concrete pile shaped device automaticity used is high, is provided with pump discharge checking system, bores deep detection System and in real time detection rate of pumping and lifting speed checking system, and coordinate to control by industrial computer.Thus, actual When constructing occlusion lagging pile, the perpendicularity of rod boring etc. can be precisely controlled, can effectively, Reliable guarantee pile Perpendicularity is less than or equal to 3/1000ths, accurately carries out pile body occlusion construction.
10, the drilling and forming hole used and concrete grouting construction method step are simple, it is convenient to realize and good forming effect, Institute's molding plain concrete pile is high with the quality of reinforced concrete pile, during practice of construction, and first align piles position the headband that turns on the power Dynamic drilling rod is rotated, and starts hoist engine lowering drill pipes simultaneously；Afterwards, when drill bit enters rock stratum, drilling depth difference can substantially increase Greatly, now open pressing mechanism to make to creep into into rock；When creeping into projected depth, drilling rod promotes to rotate forward or quiet pulls out mode upwards Carrying brill, concrete ground pump synchronizes to begin pumping concrete；Additionally during carrying brill, detection drilling rod pulls up distance in real time, and calculates Required concrete amount, the actual concrete amount that synchronous detecting concrete ground pump concrete send simultaneously, and come by the way of automatically controlling ground pump pump speed Reach mating between required concrete amount with actual concrete amount so that possess the mixed earth of more than 0.1 side inside drilling rod all the time, to guarantee into Quality of pile.
11, the foundation ditch dado structure easy construction used and using effect are good, can carry out structure arbitrarily as required Adjust, and all mixed by the plain concrete pile being mutually twisted and a reinforcing bar between interconnective two retaining wall piling walls The stake of solidifying soil is fastenedly connected, and connects reliable, and stagnant water effect is good, can form effective foundation ditch retaining wall effect.Meanwhile, this foundation ditch protects Wall construction can be suitably used for other construction site needing retaining wall.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1-1 is engaged the structural representation of lagging pile for the present invention.
Fig. 1-2 is the top view of Fig. 1-1.
Fig. 1-3 is the structural representation of plain concrete pile of the present invention.
Fig. 1-4 is the structural representation of reinforced concrete pile of the present invention.
Fig. 1-5 is the present invention method flow block diagram to being engaged when lagging pile is constructed.
Fig. 1-6 is the structural representation of construction molding foundation ditch dado structure of the present invention.
Fig. 1-7 is the structural representation of the present invention used bored concrete pile shaped device.
Fig. 2 is the structural representation of the used drilling rod of the present invention.
Fig. 3 is the structural representation of the used drill bit of the present invention one.
Fig. 4 is the upward view of Fig. 3.
Fig. 5 is the structural representation of the used drill bit of the present invention two.
Fig. 6 is the upward view of Fig. 5.
Fig. 7 is the use state reference map of the present invention used high pulling torque adjustable speed unit head.
Fig. 8 is the use state reference map of the present invention used sprocket chain strip pressue device.
Fig. 9 is the schematic block circuit diagram of the present invention used bored concrete pile shaped device.
Description of reference numerals:
1 high pulling torque adjustable speed unit head；1-1 rotary drive motor one；
1-2 rotary drive motor two；1-3 first class reducer one；1-4 first class reducer two；
1-5 2-level reducer；1-6 power input shaft one；1-7 power input shaft two；
1-8 power input gear one；1-9 power input gear two；1-10 power output gear；
1-11 power output shaft five；2 drilling rods promote and transfer wirerope；
2-1 plain concrete pile；2-2 reinforced concrete pile；2-21 steel reinforcement cage；
2-2-1 vertical applied force reinforcing bar；2-2-2 spiral type stirrup；2-2-3 circular stirrups；
3 electrical hoists；4 drilling depths/hoisting depth detector unit；
5 directive wheels three；6 drilling rods；6-1 slip casting core bar one；
6-2 helical blade one；6-3 serrated knife；7 drill bits；
7-1 slip casting core bar two；7-2 helical blade two；7-3 slip casting core bar three；
7-4 helical blade three；7-5 bores tooth one；7-6 bores tooth two；
8 frames；9 hydraulic legs；10 driver's cabins；
11 pressurization wireropes；12 columns；13 concrete ground pumps；
14 pump discharge detector units；15 pumping lines；16 Programmable Logic Controllers；
17 Human-machine Control unit；18 industrial computers；19 liquid crystal displays；
20 drilling rod torque detecting units；21 rod rotation speed detector units；
22 directive wheels one；23 directive wheels two；25 chains；
26 drive sprockets；27 driven sprockets；
28 drilling rod loading detection unit；29 drilling rod lowering velocity detector units；
30 drilling rods rotate and drive current detecting unit；31 timing circuits；
32 foundation ditches.
Detailed description of the invention
A kind of occlusion lagging pile as shown in Fig. 1-1, Fig. 1-2, including multiple plain concrete pile 2-1 laid from front to back With multiple reinforced concrete pile 2-2 laid from front to back, multiple described plain concrete pile 2-1 and multiple described armored concrete Stake 2-2 is all in vertically to laying and it is all laid on same vertical plane, multiple described plain concrete pile 2-1 and multiple described steel Rib concrete pile 2-2 is cylindrical stake and it is long the most identical with stake footpath.In conjunction with Fig. 1-4, multiple described reinforced concrete piles The structure of 2-2 is the most identical and its pile body is armored concrete pile body, and described armored concrete pile body is by concrete pile body and cloth The steel reinforcement cage 2-21 composition being located in described concrete pile body.In conjunction with Fig. 1-3, the structure of multiple described plain concrete pile 2-1 is equal Identical and its pile body is plain concrete pile body.Described plain concrete pile 2-1 and reinforced concrete pile 2-2 in being laid staggeredly, phase It is laid with a reinforced concrete pile 2-2 between adjacent two described plain concrete pile 2-1；Each described reinforced concrete pile 2- The pile body of 2 is engaged mutually with being positioned at the pile body of two described plain concrete pile 2-1 of both sides before and after it, and each described reinforcing bar Concrete-pile 2-2 and before and after it pile spacing between two described plain concrete pile 2-1 of both sides be D, wherein D=d- d0, d0For the middle part width of bite between pile body and the pile body of reinforced concrete pile 2-2 of plain concrete pile 2-1 and d0≥ 50mm, d are stake footpath and the d ＞ Φ 240mm of plain concrete pile 2-1 and reinforced concrete pile 2-2.Multiple described plain concrete pile 2- 1 and multiple described reinforced concrete pile 2-2 occlusion forms a retaining wall piling wall.
In the present embodiment, the stake of multiple described plain concrete pile 2-1 and multiple described reinforced concrete pile 2-2 is long is L.
Further, multiple described plain concrete pile 2-1 are in uniformly laying, and multiple described reinforced concrete pile 2-2 is in uniformly Lay.
In the present embodiment, the stake footpath of described plain concrete pile 2-1 and reinforced concrete pile 2-2 is d, and d=Φ 300mm ～Φ 800mm.
During practice of construction, can according to specific needs the value size of d be adjusted accordingly.
In the present embodiment, describedAnd d0≥50mm.During practice of construction, can according to specific needs, to d0Take Value size adjusts accordingly.
In the present embodiment, described steel reinforcement cage 2-21 is cylindrical reinforcing steel cage, the steel reinforcement cage in described armored concrete pile body 2-21 and described concrete pile body are laid in coaxial.The outer diameter D of described steel reinforcement cage 2-210＜ D1, wherein D1=d-2d0.Described steel Muscle cage 2-21 include vertical applied force reinforcing bar 2-2-1 that multiple tracks along the circumferential direction lays with together with from top to bottom cuff described in multiple tracks Spiral type stirrup 2-2-2 outside vertical applied force reinforcing bar 2-2-1, vertical applied force reinforcing bar 2-2-1 described in multiple tracks is by spiral type hoop Muscle 2-2-2 is fastenedly connected and is integrated.
Meanwhile, described steel reinforcement cage 2-21 also includes the circular stirrups 2-2-3 that multiple tracks is from top to bottom laid, circular described in multiple tracks Stirrup 2-2-3 from top to bottom lays and its equal cuff is outside vertical applied force reinforcing bar 2-2-1 described in multiple tracks.In the present embodiment, often All it is attached with welding manner between circular stirrups 2-2-3 described in vertical applied force reinforcing bar 2-2-1 described in road and multiple tracks.
Actual add man-hour, vertical applied force reinforcing bar 2-2-1 described in multiple tracks and between spiral type stirrup 2-2-2 all with welding manner It is fixedly connected.
In the present embodiment,
During practice of construction, can according to specific needs, to D0Value size adjust accordingly.
In the present embodiment, the size of vertical applied force reinforcing bar 2-2-1 described in multiple tracks is the most identical and its top all extend out to described Outside concrete pile body, described in multiple tracks, vertical applied force reinforcing bar 2-2-1 the most uniformly lays.Circular stirrups 2-described in multiple tracks The structure of 2-3 is the most identical with size and it is from top to bottom in uniformly laying.
During practice of construction, described vertical applied force reinforcing bar 2-2-1, spiral type stirrup 2-2-2 and circular stirrups 2-2-3 can also Use shaped steel or other metal rod, to obtain more preferable bending resistance.
A kind of occlusion lagging pile construction method as Figure 1-5, comprises the following steps:
Step one, plain concrete pile driving construction: the most multiple described plain concrete pile 2-1 are constructed, directly To the work progress completing all plain concrete pile 2-1；
The construction method of multiple described plain concrete pile 2-1 is the most identical；Plain concrete pile 2-1 any one described is executed In man-hour, all comprise the following steps:
Step 101, drilling and forming hole and filling concrete construction: first the stake holes of this plain concrete pile 2-1 is crept into into Construct in hole, then concrete perfusion in the boring of construction molding from the bottom to top；
Step 102, pile: after institute's concrete perfusion final set in step 101, it is thus achieved that the plain concrete pile 2-of construction molding 1；
Step 2, armored concrete pile driving construction: from front to back multiple described plain concrete pile 2-1 are executed in step one During work, the most multiple described reinforced concrete pile 2-2 are constructed, until completing all armored concrete The work progress of stake 2-2；After all reinforced concrete pile 2-2 have all constructed, it is thus achieved that the retaining wall piling wall of construction molding；
The construction method of multiple described reinforced concrete pile 2-2 is the most identical；Reinforced concrete pile 2-2 any one described is entered During row construction, all comprise the following steps:
Step 201, drilling and forming hole and filling concrete construction: first the stake holes of this reinforced concrete pile 2-2 is crept into Drilling construction, then concrete perfusion in the boring of construction molding from the bottom to top；
In this step, the drilling and forming hole work progress of described reinforced concrete pile 2-2, need to be at this reinforced concrete pile 2-2 Two the most adjacent described plain concrete pile 2-1 are carried out after all having constructed；
Step 202, steel reinforcement cage insert: use vibrator and with mode of vibration, the steel reinforcement cage 2-21 of molding will be pre-machined In inserting step 201 in institute's concrete perfusion；
Step 203, pile: after institute's concrete perfusion final set in step 201, steel reinforcement cage 2-21 described in step 202 is tight Admittedly be fixed in described concrete pile body, it is thus achieved that the reinforced concrete pile 2-2 of construction molding.
In the present embodiment, when step 202 carries out steel reinforcement cage insertion, after in step 201, filling concrete has been constructed, Immediately the steel reinforcement cage 2-21 that molding is pre-machined is inserted in institute's concrete perfusion；Further, institute's concrete perfusion in step 201 Before initial set, complete steel reinforcement cage insertion process.
In the present embodiment, when step 101 neutralization procedure 201 carries out drilling and forming hole and filling concrete construction, constructed The diameter of molding boring is d and its degree of depth is L.
In the present embodiment, when step 101 neutralization procedure 201 carries out drilling and forming hole and filling concrete construction, all use Bored concrete pile shaped device carries out the drilling and forming hole constructing and used and concrete grouting construction method is the most identical；
As shown in Fig. 1-7, Fig. 9, described bored concrete pile shaped device include by drilling rod 6 be coaxially mounted to bottom drilling rod 6 Drill bit 7 assemble formed drilling equipment, described drilling equipment transferred and crept into along drilling direction by drilling process put in place What described drilling equipment was promoted by tailing edge drilling direction transfer/and lifting system, drive described drilling equipment to turn continuously Dynamic electronic rotation drive mechanism, described in transfer/drilling rod 6 carries out in lifting process by drilling rod 6 to institute's molding by lifting system In boring, described drilling equipment actual is crept into deep by continuous grouting being formed in the grouting equipment of cast-in-situ bored pile, drilling process The drilling depth that degree detects in real time and detects the actual hoisting depth of described drilling equipment in real time in lifting process/ The drilling rod torque detecting unit 20 that in hoisting depth detector unit 4, drilling process, the moment of torsion of drilling rod 6 detected in real time, right Described transfer/controller that is controlled of lifting system, described electronic rotation drive mechanism and described grouting equipment and with institute State the parameter input unit that controller connects, described drilling depth/hoisting depth detector unit 4 and drilling rod torque detecting unit 20 All connect with described controller.Described electronic rotation drive mechanism carries out transmission by the outer end of connecting gear one with drilling rod 6 Connect, and described electronic rotation drive mechanism connects with controller.Described transfer/lifting system connects with the outer end of drilling rod 6. Described grouting equipment includes pumping line 15 that slip storage device and described slip storage device connects and is arranged on pumping line Driving pump on road 15, described driving pump is controlled by described controller and it connects with described controller.In conjunction with Fig. 2, institute State drilling rod 6 include inner hollow and the most identical slip casting core bar one 6-1 of diameter and be from top to bottom laid in slip casting core Helical blade one 6-2 on bar one 6-1 lateral wall, the width of described helical blade one 6-2 is the most identical.Described pumping Pipeline 15 is arranged on the outer end of drilling rod 6 and it communicates with the inside of slip casting core bar one 6-1.Outside described helical blade one 6-2 Side is from top to bottom provided with serrated knife 6-3, and it is d that described serrated knife 6-3 stretches out the width outside helical blade one 6-21, wherein d1= 15mm～30mm.The outer diameter D 1 ＞ Φ 150mm of described slip casting core bar one 6-1, the outer diameter D 2 ＞ Φ of described helical blade one 6-2 200mm and D2=d-2d1.Have bottom described drill bit 7 on grout outlet and described grout outlet and be provided with check-valves.Described transfer/ Lifting system includes drilling rod lifting and carries out the electric retracting-releasing device of folding and unfolding with transferring wirerope 2 and promoting drilling rod and transfer wirerope 2, The lifting of described drilling rod is fixed on drilling rod 6 with the one end transferring wirerope 2 and its other end is fastened and fills at described electric retractable Put.
When step 101 neutralization procedure 201 carries out drilling and forming hole and filling concrete construction, all comprise the following steps:
Step I, Initial parameter sets: set the multiple of used bored concrete pile shaped device by described parameter input unit Initial parameter；Multiple described initial parameters include the initial rotation speed of drilling rod 6 in drilling rod torque maximum Mmax, drilling process Setting value vTurn 1, initial lowering velocity setting value v of drilling rod 6Put, carry the initial rotation speed setting value v of drilling rod 6 during brillTurn 2、 Put forward the lifting speed v of drilling rod 6 during brillCarry, the initial pump discharge m of described grouting equipment0With need molding Pile Long L and stake footpath d；
Step II, creep into: control described electric retracting-releasing device and described electronic rotation drive mechanism by described controller After startup, in conjunction with v set in step ITurn 1And vPutAnd by described controller to described electric retracting-releasing device and described electricity The rotating speed of dynamic rotary drive mechanism is controlled adjusting with turning to so that described drilling equipment is in the state of being drilled down into, and makes Drilling rod promotes and transfers wirerope 2 and be in and transfer state to what drilling rod 6 was transferred；In drilling process, examined by drilling rod moment of torsion Survey the unit 20 actual torque M to drilling rod in drilling process 6RealDetect in real time and detected synchronizing information be sent to described Controller, described controller calls drilling rod torque difference comparison module and judges the actual torque M of drilling rod 6 under current stateRealWhether More than Mmax, and according to judged result, described electronic rotation drive mechanism is controlled: when judging to draw MReal> Mmax time, institute State controller, by controlling described electronic rotation drive mechanism, the rotary speed of drilling rod 6 is carried out adjustment of slowing down；Otherwise, described control The rotary speed of drilling rod 6 is accelerated adjusting by device processed by controlling described electronic rotation drive mechanism；During actually used, By described parameter input unit, the acceleration of drilling rod 6 rotary speed can be adjusted speed to set in advance with deceleration adjustment speed Fixed.
Meanwhile, the actual of described drilling equipment is crept into by drilling process by drilling depth/hoisting depth detector unit 4 Degree of depth LRealDetect in real time and detected synchronizing information is sent to described controller, until LRealDuring >=L, described controller leads to Cross control described electric retracting-releasing device make drilling rod 6 stop be drilled down into, it is thus achieved that molding is holed and enters step III；
Step III, carry brill and synchronous grouting: v set in integrating step ICarry、vTurn 2And m0, and by described controller pair Described electric retracting-releasing device, described electronic rotation drive mechanism and described driving pump are controlled so that drilling rod promotes and transfers Wirerope 2 is in the lifting state promoting drilling rod 6, and carries out even in institute's molding boring after controlling described driving pump startup Continuous slip casting, the most described drilling equipment is in and puies forward brill state；During carrying brill, under the control action of described controller, described Drilling rod 6 is in the direction of rotation rotation status identical with drilling process or rotary speed is the non-rotating state of zero；
Meanwhile, described controller also needs to call actual hoisting depth H that hoisting depth monitoring module judges under current stateReal Whether more than needing the long L of molding Pile, and according to judged result, described electric retracting-releasing device, described electronic rotation are driven Motivation structure and described driving pump are controlled: when judging to draw HRealDuring >=L, the described controller described electric retracting-releasing device of control, Described electronic rotation drive mechanism and described driving pump are the most out of service, now complete drilling and forming hole and filling concrete construction Forming process.
In the present embodiment, described D2=A × D1, wherein A=1.5～2.5.
During actual installation, one end of described pumping line 15 connects with described slip storage device, and its other end is installed Above the outer end of drilling rod 6.
Actual adding man-hour, described slip casting core bar one 6-1 is straight shank.The structure of described helical blade one 6-2, size, spiral shell Swing angle degree is the most identical with helical blade spacing.
Further, described serrated knife 6-3 is spiral type.
In the present embodiment, described serrated knife 6-3 is made up of multiple cutting teeth from top to bottom laid along the hand of spiral, Duo Gesuo State cutting tooth and be from top to bottom laid in outside helical blade one 6-2 and its inner is each attached to the upper surface of helical blade one 6-2 On.
In the present embodiment, d1=20mm.
Actual add man-hour, can according to specific needs, to d1Value size adjust accordingly.
In the present embodiment, the structure of multiple described cutting teeth is the most identical with size and it is from top to bottom in uniformly laying.
Further, described cutting tooth is carbide button, specially tungsten alloy tooth.Actual adding man-hour, described cutting tooth can also be adopted With the carbide button of other material.
In the present embodiment, described cutting tooth is triangle.
In the present embodiment, described helical blade one 6-2 is single coil configuration and its pitch K ＞ 200mm.
Further, pitch K of described helical blade one 6-2 is less than 300mm.The joint of a length of K in described slip casting core bar one 6-1 In section, the quantity of set cutting tooth is 15～40.
Described drill bit 7 is drill bit one or drill bit two.
In conjunction with Fig. 3 and Fig. 4, described drill bit one includes inner hollow and the most identical slip casting core bar two 7-of diameter 1 and helical blade two 7-2 that is from top to bottom laid on slip casting core bar two 7-1 lateral wall, the width of described helical blade two 7-2 The most identical, it is provided with apex point two bottom described slip casting core bar two 7-1.Specifically, described helical blade two 7-2 Structure, size, spiral angle are the most identical with helical blade spacing.In the present embodiment, described helical blade two 7-2 is Double-spiral structure, the lateral wall of described apex point two is laid with multiple brill tooth one 7-5, and described brill tooth one 7-along the hand of spiral 5 bore tooth for tungsten alloy.
Time actually used, described drill bit one is for relatively soft soil layer, and its helical blade two 7-2 uses double thread structure, Apex point two uses manganeisen to mould, and boring tooth one 7-5 is tungsten alloy pick.During practice of construction, according to practice of construction geology Situation, the setting angle boring tooth one 7-5 (i.e. pick) makees corresponding change to shape；Multiple described brill tooth one 7-5 are positioned at apex point The brill tooth of two bottom center carries out heartcut, and other brill tooth being positioned on described apex point two lateral wall makees periphery cutting.
Actual adding man-hour, the external diameter of described helical blade two 7-2 is identical with the external diameter of helical blade one 6-2.
In conjunction with Fig. 5 and Fig. 6, described drill bit two includes inner hollow and the most identical slip casting core bar three 7-of diameter 3 and helical blade three 7-4 that is from top to bottom laid on slip casting core bar three 7-3 lateral wall, the width of described helical blade three 7-4 From top to bottom it is gradually increased, bottom described slip casting core bar three 7-3, is provided with apex point three.Meanwhile, the spiral shell of described helical blade three 7-4 Swing angle degree is the most identical with helical blade spacing.In the present embodiment, by upper on the lateral wall of described helical blade three 7-4 To being arranged with multiple brill tooth two 7-6, and described brill tooth two 7-6 is that tungsten alloy bores tooth.Time actually used, described drill bit dual-purpose Waiting hard soil layer in severely-weathered, tapered thread structure is progressively cut pore-forming by path to big footpath.
In the present embodiment, described bored concrete pile shaped device also includes adding drilling rod 6 along drilling direction in drilling process The pressing mechanism of pressure, the rod rotation speed detector unit 21 rotating speed of drilling rod 6 detected in real time in drilling process, drilling process In in drilling rod lowering velocity detector unit 29 that the actual lowering velocity of drilling rod 6 is detected in real time and drilling process to drilling rod 6 bearing loads detect in real time and detected synchronizing information are sent to the drilling rod loading detection unit of described controller 28, described rod rotation speed detector unit 21, drilling rod lowering velocity detector unit 29 and drilling rod loading detection unit 28 are all with described Controller connects, and described pressing mechanism is arranged on drilling rod 6 and it is controlled by described controller.
Time actually used, drilling rod 6 is pressurizeed along drilling direction and tackles brill mutually by pressing mechanism described in drilling process The actual lowering velocity of bar 6 is adjusted, and described pressing mechanism is arranged on drilling rod 6.
In the present embodiment, in step I, multiple described initial parameters also include that drilling rod load maximum Fmax, drilling depth difference set Value S0Pitch K with helical blade one 6-2；
In step II in drilling process, by rod rotation speed detector unit 21 and drilling rod lowering velocity detector unit 29 difference Actual speed V to drilling rod 6TurnActual lowering velocity V with drilling rod 6PutDetect in real time and by detected synchronizing information transmission To described controller；Described controller calls drilling depth differential conversion module and according to formula SReal=VTurn×d-VPutTo current drilling depth difference SReal Calculate, and call drilling depth difference difference comparsion module and judge current drilling depth difference SRealWhether less than drilling depth difference setting value S0, and root It is judged that described pressing mechanism is controlled by result: when judging to draw SReal＜ S0Time, by described controller to described pressurization Mechanism is controlled so that the pressure that described pressing mechanism is applied on described drilling equipment is progressively reduced until SReal≥S0；
Otherwise, the load F that under the current state detected drilling rod loading detection unit 28, drilling rod 6 is bornRealCarry out point Analysis, it is judged that load FRealWhether more than Fmax: when judging to draw FRealDuring ＜ Fmax, by described controller, described pressing mechanism is entered Row controls so that the pressure that described pressing mechanism is applied on described drilling equipment is gradually increased, to meet described drilling equipment To lower feeding demand；Otherwise, F is drawn when judgementRealDuring >=Fmax, described pressing mechanism is maintained to be applied on described drilling equipment Pressure constant；
During carrying brill in step III, described controller is by controlling described pressing mechanism so that described pressing mechanism is executed Being added in the pressure on described drilling equipment is zero.
During actually used, described pressing mechanism is steel cable type pressue device or sprocket chain strip pressue device.In conjunction with Fig. 1-7, in the present embodiment, described pressing mechanism is steel cable type pressue device, and described steel cable type pressue device includes along the side of creeping into To drilling rod 6 being carried out drop-down pressurization wirerope 11 and providing the applying mechanism one of downward pulling force, described pressurization for pressurization wirerope 11 One end of wirerope 11 is fixed on described electronic rotation drive mechanism or drilling rod 6 and its other end is fixed on described applying mechanism one On.Described applying mechanism one is controlled by described controller.
Actual installation lay time, one end of described pressurization wirerope 11 be fixed on described electronic rotation drive mechanism bottom and its The other end is fastened on described electric retracting-releasing device.Meanwhile, described column 12 is provided with to pressurization wirerope 11 lead To directive wheel 35.
Time actually used, it would however also be possible to employ other type of pressing mechanism.In conjunction with Fig. 8, described pressing mechanism is sprocket chain Bar formula pressue device.Described sprocket chain strip pressue device includes sprocket chain strip transmission mechanism and applying mechanism two, described sprocket wheel Chain drive includes drilling rod 6 carrying out drop-down chain 25 along drilling direction, being carried out turning by the drive of described applying mechanism two Dynamic and the drive sprocket 26 that drives chain 25 to carry out synchronous axial system while rotating and chain 25 is guided multiple driven Sprocket wheel 27, described drive sprocket 26 and multiple described driven sprocket 27 are all used in combination with chain 25, and described chain 25 Two ends are separately fixed at the top and the bottom of described electronic rotation drive mechanism, the wheel shaft of described drive sprocket 26 and described applying mechanism Two are in transmission connection；Described applying mechanism one is controlled by described controller.
In the present embodiment, described applying mechanism one and described applying mechanism two are described electric retracting-releasing device, described in add One end of compressed steel cable 11 is fixed on bottom described electronic rotation drive mechanism or the upper end of drilling rod 6 and its other end are fastened On described electric retracting-releasing device, described pressurization wirerope 11 is fixed on bottom described electronic rotation drive mechanism or drilling rod 6 upper end The fixing point in portion is respectively positioned on the central axis of drilling rod 6.The wheel shaft of described drive sprocket 26 is carried out with described electric retracting-releasing device It is in transmission connection.Chain 25 described in drilling process or the drop-down speed of pressurization wirerope 11 and drilling rod promote and transfer wirerope 2 times Put speed all identical with the actual lowering velocity of drilling rod 6.The actual lowering velocity of described drilling rod 6 and described electric retracting-releasing device Running speed is consistent.When actual installation is laid, the wheel shaft of described drive sprocket 26 is defeated with the driving motor power of electrical hoist 3 Shaft is in transmission connection.
To sum up, time actually used, described electric retracting-releasing device and pressurization wirerope 11 or described sprocket chain strip transmission mechanism group Become drilling rod 6 to be pressurizeed by drilling process and the actual lowering velocity of reply drilling rod 6 mutually is adjusted creeps into compression system. It is to say, described pressing mechanism with described transfer/lifting system is used in combination, the two shares same driving means (i.e. Described electric retracting-releasing device).During actually used, to the pressurization dynamics of described pressing mechanism with whether start pressurization and adjust During control, only need to be controlled realizing to the running speed of described electric retracting-releasing device.
In the present embodiment, during carrying brill in drilling process neutralization procedure III in step II, described controller is by controlling Adjusting the running speed of described electric retracting-releasing device, the pressure being applied on described drilling equipment to described pressing mechanism is adjusted Whole: when described pressing mechanism being applied to the pressure on described drilling equipment and carry out increasing adjustment, by described electric retractable The running speed of device gradually tunes up, and the most described drilling equipment is in pressurized state；When described pressing mechanism being applied to When pressure on described drilling equipment carries out reducing adjustment, the running speed of described electric retracting-releasing device is gradually turned down, now Described drilling equipment is in decompression state；And when the running speed of described electric retracting-releasing device is gradually turned down to described pressuring machine Structure is applied to the pressure on described drilling equipment when being zero, and the most described drilling equipment is in its non-pressurized condition.Thus, actual control The simplest.
During actually used, the pressure being applied on described drilling equipment to described pressing mechanism is adjusted, and can lead to Cross the pressure that described pressing mechanism is applied on described drilling equipment by described parameter input unit to adjust amplitude and set in advance Fixed.
In conjunction with Fig. 7, described electronic rotation drive mechanism is high pulling torque adjustable speed unit head 1.Quick-action that described high pulling torque is adjustable Power 1 includes rotary drive motor one 1-1, rotary drive motor two 1-2 and the power output shaft of rotary drive motor one 1-1 First class reducer two 1-that the power output shaft two of first class reducer one 1-3 that connects and rotary drive motor two 1-2 connects 4 and be attached and by first class reducer one 1-3 and one-level with first class reducer one 1-3 and first class reducer two 1-4 respectively The exported power of reductor two 1-4 be converted to same power output 2-level reducer 1-5.
In the present embodiment, described first class reducer one 1-3 and first class reducer two 1-4 uses on 03 16th, 2011 disclosures Patent No. ZL201020505007.6 in disclosed gear-shifting planetary reducing device.Time actually used, described primary speed-down Machine one 1-3 and first class reducer two 1-4 can also use other type of reducing gear.
In the present embodiment, described 2-level reducer 1-5 includes coaxially connecting with the power output shaft three of first class reducer one 1-3 Power input shaft one 1-6 connect and coaxially connected power input shaft two 1-7 of the power output shaft four of first class reducer two 1-4, It is coaxially mounted on power input shaft one 1-6 and is driven the power input gear carrying out synchronous axial system by power input shaft one 1-6 One 1-8, it is coaxially mounted on power input shaft two 1-7 and drives by power input shaft two 1-7 that to carry out the power of synchronous axial system defeated Enter gear two 1-9 and be meshed with power input gear one 1-8 and power input gear two 1-9 and inputted tooth by power respectively Take turns a 1-8 and power input gear two 1-9 and drive the power output gear 1-10 rotated continuously, described power output gear 1-10 is coaxially mounted on power output shaft five 1-11, and described power output shaft five 1-11 is coaxially connected with drilling rod 6 and drives brill Bar 6 carries out synchronous axial system, described rotary drive motor one 1-1 and rotary drive motor two 1-2 and is controlled by described controller System.
Time actually used, described 2-level reducer 1-5 can also use other type and can be closed by two institute's input powers Become the reducing gear of a power output.
In the present embodiment, described power input gear one 1-8, power input gear two 1-9 and power output gear 1-10 All it is laid in same level to laying and three in level, power input gear one 1-8's and power input gear two 1-9 Direction of rotation is identical and the two direction of rotation is all contrary with the direction of rotation of power output gear 1-10.
During actual installation, between motor housing and the shell of first class reducer one 1-3 of described rotary drive motor one 1-1 And be all attached by flange between the shell of the motor housing of rotary drive motor two 1-2 and first class reducer two 1-4, And between the power input shaft of the power output shaft one of rotary drive motor one 1-1 and first class reducer one 1-3 and rotate drive All carry out in bonded mode between power output shaft two and the power input shaft of first class reducer two 1-4 of galvanic electricity machine two 1-2 Coaxially connected.Described power input shaft one 1-6, power input shaft two 1-7, power input gear one 1-8, power input gear two 1-9 and power output gear 1-10 is installed in the decelerator shell of 2-level reducer 1-5.Described 2-level reducer 1-5's All carried out even by flange between the shell of decelerator shell and the shell of first class reducer one 1-3 and first class reducer two 1-4 Connect, between power output shaft three and power input shaft one 1-6 of described first class reducer one 1-3 and first class reducer two 1-4 Power output shaft four and power input shaft two 1-7 between all carry out coaxially connected in bonded mode.
In the present embodiment, described bored concrete pile shaped device also include in level to lay frame 8, be fixed in frame 8 And in vertically to the column 12 laid and the multiple supporting mechanisms installed for described frame 8, described drilling rod 6 in vertically to laying； Described electronic rotation drive mechanism is fixedly mounted on the upper end of drilling rod 6, and described electronic rotation drive mechanism is solid with drilling rod 6 Dingan County's dress is integrated and moves up and down with drilling rod 6.Described electric retracting-releasing device is for be controlled and cloth by described controller The electrical hoist 3 being located in frame 8, described electrical hoist 3 is promoted by drilling rod and transfers wirerope 2 and described electronic rotation The top of drive mechanism connects, and the left and right sides, top of described column 12 is respectively arranged with and promotes drilling rod and transfer wirerope 2 and enter The directive wheel 1 of row guiding and directive wheel 2 23.
In the present embodiment, described frame 8 is provided with driver's cabin 10.Described supporting mechanism is hydraulic leg 9, described driving Pump is concrete ground pump 13, and described controller is Programmable Logic Controller 16.
It addition, bored concrete pile shaped device of the present invention also includes the industrial computer 18 connected with Programmable Logic Controller 16 With the display unit being controlled by industrial computer 18, described display unit connects with industrial computer 18.In the present embodiment, described parameter Input block is man-machine control unit 17, and described display unit is liquid crystal display 19.
In the present embodiment, described bored concrete pile shaped device also include creeping into put in place after described electronic rotation drive mechanism is driven The drilling rod that the driving electric current that dynamic described drilling equipment rotates detects in real time rotates and drives current detecting unit 30, described drilling rod Rotate and drive current detecting unit 30 to connect with described controller；Before in step I, multiple described initial parameters also include creeping into The unloaded of described electronic rotation drive mechanism drives electric current I.
When controller described in step II makes drilling rod 6 stop being drilled down into by controlling described electric retracting-releasing device, Described drilling equipment creeps into and puts in place；
Described drilling equipment creeps into after putting in place, also needs to carry out creeping into the subsequent treatment that puts in place: rotated by drilling rod and drive electric current Detector unit 30 drives the driving electric current I that described drilling equipment rotates to described electronic rotation drive mechanism under current stateRealEnter Detected synchronizing information is also sent to described controller by row detection in real time, and drilling rod under current state is rotated and drives by described controller 30 detection information of streaming current detector unit are analyzed, and work as IRealDuring=I, complete drilling process；Afterwards, also need having crept into Compaction treatment is carried out at the bottom of the described molding drilling hole become；Before compaction treatment, first pass through the input compacting of described parameter input unit Process time t；
And when carrying out compaction treatment, described controller is by being controlled described electronic rotation drive mechanism, by drilling rod 6 Rotary speed be down to below 3r/min；Meanwhile, described controller is by controlling described pressing mechanism, by born for drilling rod 6 lotus Carry FRealAdjust to Fmax；Afterwards, described controller, according to compaction treatment time t set in advance, completes described molding drilling hole The compaction treatment process at the end.
In the present embodiment, carry out creeping into when putting subsequent treatment in place, described electric retracting-releasing device stall, and described electronic rotation Drive mechanism is in rotating forward state.
In the present embodiment, during carrying brill, described electric retracting-releasing device is in inverted status, and described electronic rotation drives Mechanism is in rotating forward state.
In the present embodiment, in step I, multiple described initial parameters also include core bar slip material stock setting value m；In step III During carrying brill, also need slip amount m retained in slip casting core bar one 6-1RealDetecting in real time, described controller is according in real time Testing result judges interior retained slip amount m of slip casting core bar one 6-1 under current stateRealWhether equal to core bar slip material stock setting value M: when judging to draw mRealDuring ≠ m, described controller is by being controlled, by m described driving pumpRealGradually adjust to m.
Correspondingly, bored concrete pile shaped device of the present invention also includes the timing circuit 31 connected with described controller With the pump discharge detector unit 14 that the pump discharge of described grouting equipment is detected in real time.In the present embodiment, to currently Retained slip amount m in slip casting core bar one 6-1 under stateRealCarrying out detection when judging, described controller is according to institute under current state State total pump time of grouting equipment and combine pumping equipment described in each pumping moment that pump discharge detector unit 14 is detected Pump discharge and the volumetric concentration of pumped slip, convert and draw the actual pump output of described grouting equipment under current state CReal；Meanwhile, by the drilling depth/hoisting depth detector unit 4 actual hoisting depth to drilling equipment described under current state HRealDetecting in real time and detected synchronizing information is sent to described controller, described controller is according to drilling depth/lifting Height detection unit 4 is detected actual hoisting depth H drawnRealAnd need molding Pile footpath d and and pumped material The volumetric concentration of slurry, corresponding conversion draws material pulp pumping amount C required in institute's molding boring under current stateNeed；Afterwards, described control Device processed is according to required material pulp pumping amount C in institute's molding boring under the current state drawn that convertsNeedReality with described grouting equipment Pump output CReal, conversion draws interior retained slip amount m of slip casting core bar one 6-1 under current stateReal=CReal-CNeed。
It addition, in actual mechanical process, the slip in described slip storage device is deposited also by weight sensing unit Reserves detect in real time, and described controller directly converses under current state according to the testing result of described weight sensing unit Actual pump output C of described grouting equipmentReal。
Thus, in the present embodiment, during step III carries brill, by pump discharge detector unit 14 under current state The pump discharge of described grouting equipment detects in real time and detected synchronizing information is sent to described controller, passes through simultaneously Drilling depth/hoisting depth the detector unit 4 actual hoisting depth H to drilling equipment described under current stateRealExamine in real time Survey and detected synchronizing information is sent to described controller.
Meanwhile, described controller also needs to call actual hoisting depth H that hoisting depth monitoring module judges under current stateReal Whether more than needing the long L of molding Pile, and according to judged result, described electric retracting-releasing device, described electronic rotation are driven Motivation structure and described driving pump are controlled: when judging to draw HRealDuring >=L, the described controller described electric retracting-releasing device of control, Described electronic rotation drive mechanism and described driving pump are the most out of service, now complete drilling and forming hole and filling concrete was constructed Journey.
In the present embodiment, in step II in drilling process, the state of creeping into of described drilling equipment is divided into soil compaction type to creep into shape State and go out soil type and creep into state two kinds and creep into state；In actual drilling process, as 0 ＜ soil compaction rate J≤Jmax, described in creep into and set State is crept into for being in soil compaction type；Otherwise, described drilling equipment is in out soil type and creeps into state；Wherein, J=VPut/(VTurn×d)- K0, Jmax=1-K0；In formula, K0=screw thread be unearthed the ratio of volume and drilling rod volume=, wherein d3For drilling rod 6 external diameter and d3=D3=D2+2d1, d4External diameter and d for slip casting core bar one 6-14=D1；When step I carries out Initial parameter sets, also need D is inputted by described parameter input unit3And d4。
In step II in drilling process, described controller adjusts the running speed of described electric retracting-releasing device by control, Soil compaction rate J is adjusted so that drilling process respectively creeps into the moment soil compaction rate J meet preset requirement.
In the present embodiment, due to described pressing mechanism with described transfer/lifting system is used in combination, and the two share with One driving means (the most described electric retracting-releasing device), then in step II in drilling process, at the most described electric retracting-releasing device When the state of rotating forward, the rotating speed of described electric retracting-releasing device can be adjusted by the pressurization dynamics of described pressing mechanism by controller Whole realize.And carry out creeping in step III putting in place in subsequent processes, owing to described electric retracting-releasing device is in stall State, thus described pressing mechanism is also at stopping pressurized state.And during carrying brill, at described electric retracting-releasing device In inverted status, the most described pressing mechanism is also at stopping pressurized state.Thus, actual implement the easiest, right The pressurization dynamics of described pressing mechanism and whether start pressurization when regulating and controlling, only need to the rotating speed of described electric retracting-releasing device and Turn to and be controlled realizing.
It addition, in the present embodiment, in step II in drilling process, described controller also can be according to the soil compaction under current state The described drilling equipment state of creeping into is judged by rate J: as 0 ＜ soil compaction rate J≤Jmax, described drilling equipment is in soil compaction Type creeps into state；Otherwise, described drilling equipment is in out soil type and creeps into state.Time actually used, right by liquid crystal display 19 Described drilling equipment is in unearthed state or soil compaction state carries out synchronizing intuitively to show.
Due to SReal=VTurn×d-VPut, wherein VTurn× d=rotates drilling depth, VPutIn order to transfer drilling depth, (i.e. the actual of drilling rod 6 transfers speed Degree), drilling depth difference SReal=rotation drilling depth-transfer drilling depth, drilling depth difference can also be calculated display in real time by industrial computer 18.Practice of construction Time, when described drilling equipment is in unearthed state, SRealThe most greatly be unearthed amount the most, this mode of creeping into be applicable to collapsible loess, The soil layer of the plasticity differences such as the sand ovum that water content is few；When described drilling equipment is in soil compaction state, SRealThe least soil compaction effect is the strongest, This mode of creeping into is applicable to the preferable soil layer of the plasticity such as silty clay, silt.
A kind of application being engaged lagging pile as shown in figures 1 to 6, is fastenedly connected paired base by multiple described occlusion lagging piles Hole 32 carries out the foundation ditch dado structures reinforced, and described foundation ditch dado structure is I-shaped, L-shaped, door font, T-shaped or mouth word Shape.
Further, all by the plain concrete pile 2-being mutually twisted between interconnective two described occlusion lagging piles 1 and a reinforced concrete pile 2-2 is fastenedly connected.
In the present embodiment, described foundation ditch dado structure be square shape and its be positioned at outside foundation ditch 32, described foundation ditch 32 is square Shape.
During practice of construction, can be according to reinforcing the structure of foundation ditch 32, the quantity of sidewall need to be reinforced and respectively need to reinforce sidewall Position, adjusts accordingly the structure of described foundation ditch dado structure.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every according to the present invention Any simple modification, change and the equivalent structure change that above example is made by technical spirit, all still falls within skill of the present invention In the protection domain of art scheme.

Claims (7)

1. the method constructed occlusion lagging pile, this occlusion lagging pile includes multiple plain coagulation laid from front to back Soil stake (2-1) and multiple reinforced concrete pile (2-2) laid from front to back, multiple described plain concrete piles (2-1) and multiple Described reinforced concrete pile (2-2) is all in vertically to laying and it is all laid on same vertical plane, multiple described plain concretes Stake (2-1) is cylindrical stake with multiple described reinforced concrete piles (2-2) and it is long the most identical with stake footpath；Multiple described steel The structure of rib concrete pile (2-2) is the most identical and its pile body is armored concrete pile body, and described armored concrete pile body is by mixing Solidifying soil pile body and steel reinforcement cage (2-21) composition being laid in described concrete pile body；Multiple described plain concrete piles (2-1) Structure is the most identical and its pile body is plain concrete pile body；Described plain concrete pile (2-1) and reinforced concrete pile (2-2) submission Wrong laying, is laid with a reinforced concrete pile (2-2) between adjacent two described plain concrete piles (2-1)；Each described The pile body of reinforced concrete pile (2-2) be positioned at before and after it pile body of two described plain concrete piles (2-1) of both sides mutually Occlusion, and each described reinforced concrete pile (2-2) and being positioned at before and after it between two described plain concrete piles (2-1) of both sides Pile spacing be D, wherein D=d-d0, d0For the pile body of plain concrete pile (2-1) and reinforced concrete pile (2-2) pile body it Between the middle part width of bite and d0>=50mm, d are plain concrete pile (2-1) and the stake footpath of reinforced concrete pile (2-2) and d ＞ Φ240mm；Multiple described plain concrete piles (2-1) and multiple described reinforced concrete pile (2-2) occlusion form a lagging pile Wall, it is characterised in that the method comprises the following steps:
Step one, plain concrete pile driving construction: the most multiple described plain concrete piles (2-1) are constructed, until Complete the work progress of all plain concrete piles (2-1)；
The construction method of multiple described plain concrete piles (2-1) is the most identical；Plain concrete pile any one described (2-1) is executed In man-hour, all comprise the following steps:
Step 101, drilling and forming hole and filling concrete construction: first the stake holes of this plain concrete pile (2-1) is carried out drilling and forming hole Construction, then concrete perfusion in the boring of construction molding from the bottom to top；
Step 102, pile: after institute's concrete perfusion final set in step 101, it is thus achieved that the plain concrete pile (2-1) of construction molding；
Step 2, armored concrete pile driving construction: from front to back multiple described plain concrete piles (2-1) are constructed in step one During, the most multiple described reinforced concrete piles (2-2) are constructed, until completing all armored concrete The work progress of stake (2-2)；After all reinforced concrete piles (2-2) have all been constructed, it is thus achieved that the retaining wall piling wall of construction molding；
The construction method of multiple described reinforced concrete piles (2-2) is the most identical；Reinforced concrete pile any one described (2-2) is entered During row construction, all comprise the following steps:
Step 201, drilling and forming hole and filling concrete construction: first the stake holes of this reinforced concrete pile (2-2) is crept into into Construct in hole, then concrete perfusion in the boring of construction molding from the bottom to top；
In this step, the drilling and forming hole work progress of described reinforced concrete pile (2-2), need to be at this reinforced concrete pile (2-2) Two the most adjacent described plain concrete piles (2-1) are carried out after all having constructed；
Step 202, steel reinforcement cage insert: use vibrator and with mode of vibration, inserted by the steel reinforcement cage (2-21) that molding is pre-machined Enter in step 201 in institute's concrete perfusion；
Step 203, pile: after institute's concrete perfusion final set in step 201, steel reinforcement cage described in step 202 (2-21) fastens It is fixed in described concrete pile body, it is thus achieved that the reinforced concrete pile (2-2) of construction molding；
When step 101 neutralization procedure 201 carries out drilling and forming hole and filling concrete construction, bored concrete pile shaped device is all used to enter Row construction and the drilling and forming hole and the concrete grouting construction method that are used are the most identical；
Described bored concrete pile shaped device includes by drilling rod (6) and is coaxially mounted to what drill bit (7) assembling bottom drilling rod (6) was formed Described drilling equipment is transferred and crept into along drilling direction by drilling equipment, drilling process and puts tailing edge drilling direction in place to institute State that drilling equipment carries out promoting transfer/lifting system, the electronic rotation that drives described drilling equipment to rotate continuously drive Mechanism, described in transfer/drilling rod (6) carries out being noted continuously in institute molding is holed by drilling rod (6) in lifting process by lifting system Starch and formed in the grouting equipment of cast-in-situ bored pile, drilling process the actual drilling depth to described drilling equipment to examine in real time The drilling depth surveyed and in lifting process, the actual hoisting depth of described drilling equipment is detected in real time/hoisting depth detection The drilling rod torque detecting unit (20) that in unit (4), drilling process, the moment of torsion of drilling rod (6) detected in real time, under described Put/controller that is controlled of lifting system, described electronic rotation drive mechanism and described grouting equipment and with described control The parameter input unit that device connects, described drilling depth/hoisting depth detector unit (4) and drilling rod torque detecting unit (20) are equal Connect with described controller；Described electronic rotation drive mechanism carries out transmission by the outer end of connecting gear one with drilling rod (6) Connect, and described electronic rotation drive mechanism connects with controller；Described transfer the/outer end phase of lifting system and drilling rod (6) Connect；Described grouting equipment includes pumping line (15) that slip storage device and described slip storage device connects and is arranged on Driving pump on pumping line (15), described driving pump is controlled by described controller and it connects with described controller；Institute State drilling rod (6) include inner hollow and the most identical slip casting core bar one (6-1) of diameter and be from top to bottom laid in note Helical blade one (6-2) on slurry core bar one (6-1) lateral wall, the width of described helical blade one (6-2) is the most homogeneous With；Described pumping line (15) is arranged on the outer end of drilling rod (6) and it communicates with the inside of slip casting core bar one (6-1)；Institute Stating helical blade one (6-2) outside and be from top to bottom provided with serrated knife (6-3), described serrated knife (6-3) stretches out helical blade one (6- 2) width in outside is d1, wherein d1=15mm～30mm；The outer diameter D 1 ＞ Φ 150mm of described slip casting core bar one (6-1), described Outer diameter D 2 ＞ Φ 200mm and D2=d-2d of helical blade one (6-2)1；Described drill bit (7) bottom have grout outlet and described in go out It is provided with check-valves on slurry mouth；Described transfer/lifting system include drilling rod promote with transfer wirerope (2) and drilling rod is promoted with under Putting wirerope (2) and carry out the electric retracting-releasing device of folding and unfolding, described drilling rod promotes and is fixed on drilling rod (6) with the one end transferring wirerope (2) Upper and its other end is fastened on described electric retracting-releasing device；
When step 101 neutralization procedure 201 carries out drilling and forming hole and filling concrete construction, all comprise the following steps:
Step I, Initial parameter sets: by described parameter input unit set used bored concrete pile shaped device multiple initially Parameter；Multiple described initial parameters include that in drilling rod torque maximum Mmax, drilling process, the initial rotation speed of drilling rod (6) sets Definite value vTurn 1, initial lowering velocity setting value v of drilling rod (6)Put, carry the initial rotation speed setting value of drilling rod (6) during brill vTurn 2, put forward the lifting speed v of drilling rod (6) during brillCarry, the initial pump discharge m of described grouting equipment0With need molding drill-pouring The stake long L of stake and stake footpath d；
Step II, creep into: control described electric retracting-releasing device by described controller and described electronic rotation drive mechanism starts After, in conjunction with v set in step ITurn 1And vPutAnd by described controller to described electric retracting-releasing device and described electronic rotation The rotating speed turning drive mechanism is controlled adjusting with turning to so that described drilling equipment is in the state of being drilled down into, and makes to bore Bar promotes and transfers wirerope (2) and be in and transfer state to what drilling rod (6) was transferred；In drilling process, examined by drilling rod moment of torsion Survey the unit (20) the actual torque M to drilling rod in drilling process (6)RealDetect in real time and detected synchronizing information is sent to Described controller, described controller calls drilling rod torque difference comparison module and judges the actual torque of drilling rod under current state (6) MRealWhether more than Mmax, and according to judged result, described electronic rotation drive mechanism is controlled: when judging to draw MReal>Mmax Time, described controller carries out, by controlling described electronic rotation drive mechanism, adjustment of slowing down to the rotary speed of drilling rod (6)；Instead It, the rotary speed of drilling rod (6) is accelerated adjusting by described controller by controlling described electronic rotation drive mechanism；
Meanwhile, the actual of described drilling equipment is crept into deeply by drilling process by drilling depth/hoisting depth detector unit (4) Degree LRealDetect in real time and detected synchronizing information is sent to described controller, until LRealDuring >=L, described controller passes through Controlling described electric retracting-releasing device makes drilling rod (6) stop being drilled down into, it is thus achieved that molding is holed and enters step III；
Step III, carry brill and synchronous grouting: v set in integrating step ICarry、vTurn 2And m0, and by described controller to described Electric retracting-releasing device, described electronic rotation drive mechanism and described driving pump are controlled so that drilling rod promotes and transfers wirerope (2) it is in the lifting state that drilling rod (6) is promoted, and carries out even in institute's molding boring after controlling described driving pump startup Continuous slip casting, the most described drilling equipment is in and puies forward brill state；During carrying brill, under the control action of described controller, described Drilling rod (6) is in the direction of rotation rotation status identical with drilling process or rotary speed is the non-rotating state of zero；
Meanwhile, described controller also needs to call actual hoisting depth H that hoisting depth monitoring module judges under current stateRealWhether More than needing the long L of molding Pile, and according to judged result, described electric retracting-releasing device, described electronic rotation are driven machine Structure and described driving pump are controlled: when judging to draw HRealDuring >=L, described controller controls described electric retracting-releasing device, described Electronic rotation drive mechanism and described driving pump are the most out of service, now complete drilling and forming hole and the molding of filling concrete construction Process.
The most in accordance with the method for claim 1, it is characterised in that: described steel reinforcement cage (2-21) is cylindrical reinforcing steel cage, described Steel reinforcement cage (2-21) and described concrete pile body in armored concrete pile body are laid in coaxial；Outside described steel reinforcement cage (2-21) Footpath D0＜ D1, wherein D1=d-2d0；Described steel reinforcement cage (2-21) includes the vertical applied force reinforcing bar (2-that multiple tracks is along the circumferential direction laid 2-1) with together with from top to bottom cuff described in multiple tracks vertical applied force reinforcing bar (2-2-1) outside spiral type stirrup (2-2-2), many Vertical applied force reinforcing bar (2-2-1) described in road is fastenedly connected by spiral type stirrup (2-2-2) and is integrated.
3. according to the method described in claim 1 or 2, it is characterised in that: described d=Φ 300mm～Φ 800mm,
The most in accordance with the method for claim 1, it is characterised in that: when step 202 carries out steel reinforcement cage insertion, treat step 201 After middle filling concrete has been constructed, immediately the steel reinforcement cage (2-21) that molding is pre-machined is inserted in institute's concrete perfusion；And And, in step 201 before institute's concrete perfusion initial set, complete steel reinforcement cage insertion process.
The most in accordance with the method for claim 1, it is characterised in that: described helical blade one (6-2) be single coil configuration and its Pitch K ＞ 200mm；
Pressing mechanism that described bored concrete pile shaped device also includes pressurizeing drilling rod (6) along drilling direction in drilling process, To drilling rod in the rod rotation speed detector unit (21) that in drilling process, the rotating speed of drilling rod (6) detected in real time, drilling process (6) to drilling rod (6) in drilling rod lowering velocity detector unit (29) that actual lowering velocity detects in real time and drilling process Institute's bearing load detects in real time and detected synchronizing information is sent to the drilling rod loading detection unit of described controller (28), described rod rotation speed detector unit (21), drilling rod lowering velocity detector unit (29) and drilling rod loading detection unit (28) All connecting with described controller, described pressing mechanism is arranged on drilling rod (6), and above and it is controlled by described controller；
In step I, multiple described initial parameters also include drilling rod load maximum Fmax, drilling depth difference setting value S0With helical blade one (6-2) pitch K；
In step II in drilling process, by rod rotation speed detector unit (21) and drilling rod lowering velocity detector unit (29) difference Actual speed V to drilling rod (6)TurnActual lowering velocity V with drilling rod (6)PutDetect in real time and by detected synchronizing information It is sent to described controller；Described controller calls drilling depth differential conversion module and according to formula SReal=VTurn×d-VPutTo current drilling depth Difference SRealCalculate, and call drilling depth difference difference comparsion module and judge current drilling depth difference SRealWhether less than drilling depth difference setting value S0, And according to judged result, described pressing mechanism is controlled: when judging to draw SReal＜ S0Time, by described controller to described Pressing mechanism is controlled so that the pressure that described pressing mechanism is applied on described drilling equipment is progressively reduced until SReal≥ S0；
Otherwise, the load F that under the current state detected drilling rod loading detection unit (28), drilling rod (6) is bornRealCarry out point Analysis, it is judged that load FRealWhether more than Fmax: when judging to draw FRealDuring ＜ Fmax, by described controller, described pressing mechanism is entered Row controls so that the pressure that described pressing mechanism is applied on described drilling equipment is gradually increased, to meet described drilling equipment To lower feeding demand；Otherwise, F is drawn when judgementRealDuring >=Fmax, described pressing mechanism is maintained to be applied on described drilling equipment Pressure constant；
During carrying brill in step III, described controller is by controlling described pressing mechanism so that described pressing mechanism is applied to Pressure on described drilling equipment is zero.
The most in accordance with the method for claim 1, it is characterised in that: described bored concrete pile shaped device also include creeping into put in place after right The drilling rod driving electric current to detect in real time that described electronic rotation drive mechanism drives described drilling equipment to rotate rotates and drives Current detecting unit (30), described drilling rod rotates and drives current detecting unit (30) to connect with described controller；In step I multiple Before described initial parameter also includes creeping into, the unloaded of described electronic rotation drive mechanism drives electric current I；
When controller described in step II makes drilling rod (6) stop being drilled down into by controlling described electric retracting-releasing device, institute State drilling equipment to creep into and put in place；
Described drilling equipment creeps into after putting in place, also needs to carry out creeping into the subsequent treatment that puts in place: rotated by drilling rod and drive current detecting Unit (30) drives the driving electric current I that described drilling equipment rotates to described electronic rotation drive mechanism under current stateRealCarry out Detected synchronizing information is also sent to described controller by detection in real time, and drilling rod under current state is rotated and drives by described controller Current detecting unit (30) institute detection information is analyzed, and works as IRealDuring=I, complete drilling process；Afterwards, also need having crept into Compaction treatment is carried out at the bottom of the described molding drilling hole become；Before compaction treatment, first pass through the input compacting of described parameter input unit Process time t；
And when carrying out compaction treatment, described controller is by being controlled described electronic rotation drive mechanism, by drilling rod (6) Rotary speed is down to below 3r/min；Meanwhile, described controller is by controlling described pressing mechanism, by drilling rod (6) born lotus Carry FRealAdjust to Fmax；Afterwards, described controller, according to compaction treatment time t set in advance, completes described molding drilling hole The compaction treatment process at the end.
The most in accordance with the method for claim 1, it is characterised in that: described pressing mechanism is steel cable type pressue device or sprocket chain Bar formula pressue device；Described steel cable type pressue device includes, along drilling direction, drilling rod (6) carries out drop-down pressurization wirerope (11) Thering is provided the applying mechanism one of downward pulling force with for pressurization wirerope (11), one end of described pressurization wirerope (11) is fixed on described electronic Rotary drive mechanism or drilling rod (6) are above and its other end is fixed on described applying mechanism one；Described sprocket chain strip adds and press-fits Put and include that sprocket chain strip transmission mechanism and applying mechanism two, described sprocket chain strip transmission mechanism include along drilling direction drilling rod (6) carry out drop-down chain (25), driven by described applying mechanism two rotate and rotate while drive chain (25) to enter The drive sprocket (26) of row synchronous axial system and multiple driven sprockets (27) that chain (25) is guided, described drive sprocket (26) all it is used in combination with chain (25) with multiple described driven sprocket (27), and the two ends of described chain (25) are fixed respectively In the top and the bottom of described electronic rotation drive mechanism, the wheel shaft of described drive sprocket (26) and described applying mechanism two carry out transmission Connect；Described applying mechanism one and described applying mechanism two are controlled by described controller；
Described applying mechanism one and described applying mechanism two are described electric retracting-releasing device, one end of described pressurization wirerope (11) It is fixed on bottom described electronic rotation drive mechanism or the upper end of drilling rod (6) and its other end are fastened in described electronic receipts Put on device；The wheel shaft of described drive sprocket (26) is in transmission connection with described electric retracting-releasing device；Described in drilling process Chain (25) or the drop-down speed of pressurization wirerope (11) and drilling rod promote with transfer the lowering velocity of wirerope (2) all with drilling rod (6) Actual lowering velocity identical；The actual lowering velocity of described drilling rod (6) is consistent with the running speed of described electric retracting-releasing device；
During carrying brill in drilling process neutralization procedure III in step II, described controller is by controlling the described electric retractable of adjustment The running speed of device, the pressure being applied on described drilling equipment to described pressing mechanism is adjusted: when adding described Press mechanism be applied to the pressure on described drilling equipment carry out increase adjust time, by the running speed of described electric retracting-releasing device by Gradually tuning up, the most described drilling equipment is in pressurized state；When described pressing mechanism being applied on described drilling equipment When pressure carries out reducing adjustment, the running speed of described electric retracting-releasing device gradually being turned down, the most described drilling equipment is in Decompression state；And when the running speed of described electric retracting-releasing device gradually turned down to described pressing mechanism be applied to described in creep into When pressure on equipment is zero, the most described drilling equipment is in its non-pressurized condition.
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