CN104563104B - Pile work drilling machine is with coordinated type breast wall apparatus and use its construction method - Google Patents
Pile work drilling machine is with coordinated type breast wall apparatus and use its construction method Download PDFInfo
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- CN104563104B CN104563104B CN201510025257.7A CN201510025257A CN104563104B CN 104563104 B CN104563104 B CN 104563104B CN 201510025257 A CN201510025257 A CN 201510025257A CN 104563104 B CN104563104 B CN 104563104B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
- E02D5/68—Mould-pipes or other moulds for making bulkheads or elements thereof
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
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Abstract
Coordinated type breast wall apparatus and the construction method that uses its construction method to relate to a kind of device for bidirectional screw soil compaction filling pile construction and use this device for pile work drilling machine of the present invention. Its objective is for provide a kind of easy and simple to handle, can make the better pile work drilling machine of pile quality coordinated type breast wall apparatus and use its construction method. Pile work drilling machine in the present invention with coordinated type breast wall apparatus comprise power transmission cylinder (1), guide cylinder (2), to medium-height trestle (3), casing (4), drawing casing device (5) and lowering or hoisting gear, the lower surface of power transmission cylinder is provided with lower end tooth (101), and the upper surface of casing is provided with end tooth (401). Use pile work drilling machine in the present invention comprises 1 by the construction method of coordinated type breast wall apparatus) device assembles; 2) rig spinning pore-forming and steel casing screw in; 3) on drill bit, revolve and promote and guncreting; 4) implanted reinforced bar cage, tendon or shaped steel; 5) extract steel casing.
Description
Technical field
The present invention relates to civil construction project field, particularly relate to a kind of device for bidirectional screw soil compaction filling pile constructionAnd use the construction method of this device.
Background technology
In pile foundation engineering and foundation treatment engineering field, for the engineering that has basement structure, cast-in-place concrete pile or plain coagulationSoil filling pile construction has two schemes conventionally: one is to carry out filling pile construction after first excavation pit, and another is the filling of first constructingNote stake, then carry out excavation of foundation pit.
The scheme of the pile foundation of constructing after first excavation pit is short in the duration, Foundation Pit substratum bearing capacity can not meet large-scale pile work drilling machine and executeWork industry, nothing are effectively fallen in the situations such as row's underground water and cannot be implemented.
It is to carry out filling pile construction on earth's surface to ground or below ground that the bored concrete pile of first constructing carries out excavation of foundation pit scheme again, thenExcavation pit is to cheating at the end, and overhead foundation pile is blocked, cuts operation. This conventional construction method can cause coagulationA large amount of wastes of soil material and the increase of project cost.
Bidirectional screw soil compaction bored concrete pile is MCC Central Research Institute of Building and Construction Co., Ltd. and Beijing China Metallurgical Engineering Ltd's research and developmentThere is more high-bearing capacity, more environmental protection and economy, the novel pile foundation technology of high efficiency more, bidirectional helix extruding-enlarging pile construction than conventional foundation pile" the bidirectional helix extruding-enlarging that the particular content of method is applied on February 15th, 2007 referring to Beijing China Metallurgical Engineering LtdPile construction method and bidirectional helix closed extruding-enlarging aiguille " patent of invention, its patent No. is ZL200710063983.3, Granted publicationDay is on December 16th, 2009. But this type, in certain areas, particularly can face in the time of the application implementation of soft clay areaThe stake Kong Yi of portion caves in, the problems such as band mud hand-hole easily occur while easily producing folder mud, rear slotting steel reinforcement cage in coagulation soil pressure filling process.
Summary of the invention
The present invention is on the basis of existing bidirectional helix extruding-enlarging pile construction method and drilling equipment, and a kind of easy and simple to handle, energy is providedEnough make the better pile work drilling machine of pile quality coordinated type breast wall apparatus and use its construction method.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, comprises power transmission cylinder, guide cylinder, to medium-height trestle, casing, drawingCasing device and lowering or hoisting gear, described power transmission cylinder, guide cylinder and medium-height trestle is fixed on successively to the drilling rod of pile work drilling machine from top to bottomUpper, described drawing casing device is a closed type structure, in the time that it is closed, can clamp casing, can unclamp casing in the time opening,Described casing is sleeved on the external diameter that drilling rod internal diameter outer and casing is greater than drilling rod lower end drill bit, described guide cylinder and to outside medium-height trestleFootpath is all less than the internal diameter of casing, and the lower surface of described power transmission cylinder is provided with lower end tooth, the upper surface of described casing be provided with can with lower endThe upper end tooth of the mutual interlock of tooth, casing is clamped in drawing casing device, described lowering or hoisting gear drive drawing casing device to rise orDecline.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, wherein said drawing casing device comprises a clamp, described clampBe made up of two block plates, be all provided with a half round cut on every block plate, two half round cut are symmetrical arranged, and on every block plate, all connectBe connected to a hydraulic pump, two hydraulic pumps are controlled symmetrically that clamp opens simultaneously or are closed, and in the time that clamp is closed, two semicircles lackInterruption-forming one full circle breach.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, wherein said lowering or hoisting gear comprises upper and lower fixed pulley group and steel wireRope, described upper fixed pulley group is arranged on pile work drilling machine unit head, and described lower fixed pulley group is arranged on drawing casing device, instituteState between upper and lower fixed pulley group and be arranged with described steel wire rope.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, wherein saidly comprises a steel annulus, described steel to medium-height trestleAnnulus is welded on drilling-rod external wall, and drilling rod is positioned at circle ring center.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, the upper end outer wall of wherein said casing is provided with Yi Katai, described inKa Tai is positioned at end tooth below.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, wherein said power transmission cylinder and guide cylinder are symmetric double valve structure,After bivalve is with bolts, be wrapped on the outer wall of drilling rod and fix with drilling rod.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, the lower end tooth of wherein said power transmission cylinder is equal along power transmission cylinder lower surfaceEven distribution and tooth pitch are greater than the flat steel-tooth of the facewidth, and the upper end tooth of described casing is also for being uniformly distributed along casing upper surface and tooth pitch is greater thanThe flat steel-tooth of the facewidth, described casing is steel casing.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, the lower end of wherein said guide cylinder is back taper.
The construction method of coordinated type breast wall apparatus for use pile work drilling machine in the present invention, comprises the following steps,
1) device assembles: power transmission cylinder, guide cylinder are installed successively from top to bottom on the drilling rod of pile work drilling machine and to medium-height trestle, were overlappedBidirectional helix extruding enlarging aiguille lifting drawing casing device, pile work drilling machine is in place according to known method, is ready to concrete pump, andPreparation perfusion piling, piling is in concrete piling or CFG material or tailings mortar piling or cement steel slag pilingAny one;
2) rig spinning pore-forming and steel casing screw in: after pile work drilling machine is in place, start rig, utilize bidirectional helix extruding enlarging aiguille to enterRow lower spiral expanded finished hole, until pile hole extruding-extending after certain depth, steel casing upper end steel-tooth and the steel-tooth interlock of power transmission cylinder lower end, steel protectsAperture is arrived in cylinder lower end, and drawing casing device clamp opens, and decontrols steel casing, ensures that drawing casing device does not affect steel casing certainlyBy rotating and playing centralizing function, continue to apply clockwise moment of torsion and downforce, make steel casing linkage rotation hand-hole, treatWhen steel casing position suitable for reading and drawing casing device arrive Near Ground, can stop to bore, by under steel casing upper end steel-tooth and power transmission cylinderEnd steel-tooth separates;
3) on drill bit, revolve and promote and guncreting: start pile work drilling machine and apply clockwise moment of torsion and lift power, make two-wayHelix extruding-enlarging bit is up and again rotate stake hole, squeezed top, in revolving lifting, opens on bidirectional helix extruding enlarging aiguilleMoving concrete pump, carries out the filling of coagulation soil pressure to completing squeezed stake hole, squeezed by concrete pressure, makes to complete coagulationThe expanded diameter that soil pressure is filled with pile cutoff meets designing requirement, till this hole coagulation soil pressure process of filling with will last till design of pile top absolute altitude,Afterwards bidirectional helix extruding enlarging aiguille is hung out from steel casing;
4) implanted reinforced bar cage, tendon or shaped steel: utilize rig pile frame and secondary hoist engine to implement steel reinforcement cage, tendon or shaped steelLifting and implantation, in the time that steel reinforcement cage, tendon or shaped steel cannot sink under deadweight, utilize vibration hammer by steel reinforcement cage, tendonOr shaped steel implantation pile body, implantation depth must meet designing requirement;
5) extract steel casing: after above-mentioned each operation completes, utilize the power of drill power head and drawing casing device to block steel and protectSteel casing is extracted at cylinder position suitable for reading, so far completes foundation pile construction.
The construction method of coordinated type breast wall apparatus for use pile work drilling machine in the present invention, wherein said step 1) in, power transmission cylinderAll be arranged on first drilling rod under pile work drilling machine unit head with guide cylinder, medium-height trestle be arranged on to the middle and lower part of drilling rod, initialRig depth of pore forming is about steel casing length or foundation depth, described step 2) in bidirectional helix extruding enlarging aiguille 4 to 14 turning/The rotating speed backspin pore-forming dividing, specifies absolute altitude when steel casing top arrives, and bidirectional helix extruding-enlarging bit bores the extremely design of expansion pore-formingThe degree of depth can stop bore, described step 3) in bidirectional helix extruding enlarging aiguille rotate and upgrade with the speed of 1 to 4 m/min.
Pile work drilling machine of the present invention is with coordinated type breast wall apparatus and use its construction method difference from prior art to be the present inventionHave the following advantages:
1, the pile work drilling machine in the present invention, with coordinated type breast wall apparatus on the basis of bidirectional helix extruding expanding drilling tool, increases on drilling rodGuide cylinder and to medium-height trestle, in rig pore forming process, strengthened the stability of drill rod boring tool, after casing is enclosed within on drilling rod, because ofFor guide cylinder and to medium-height trestle respectively the upper-lower position in casing casing is had to supporting role, so can there is not left and right pendulum in casingMoving, there is higher perpendicularity. Guide cylinder also has guide effect, and in the process upwards promoting at casing, casing can be along leadingMove up and successfully realize the interlock of end tooth under end tooth and power transmission cylinder on it to cylinder.
2, the construction method of utilizing pile work drilling machine coordinated type breast wall apparatus in the present invention is executed at original bidirectional screw soil compaction bored concrete pileOn the basis of work method, increase and implemented the technique of steel casing, thereby solved in pile foundation engineering under deep basal pit conditionNeed a large amount of disadvantages of cutting stake, reached and efficiently utilized resource, the effective object that reduces costs.
3, the construction method of utilizing pile work drilling machine coordinated type breast wall apparatus in the present invention is executed at original bidirectional screw soil compaction bored concrete pileOn work method basis, increase the rigidity retaining wall function of steel casing, effectively prevented hole wall collapse hole. Meanwhile, implanted reinforced bar cage,In the work progress of tendon or shaped steel, can prevent that the hole from caving in and by earth band hand-hole, guarantee pile quality.
Pile work drilling machine in the present invention utilizes pile work drilling machine unit head with coordinated type breast wall apparatus, moving sliding by installing two groups thereon additionalWheel serves as lifting, the pull-up of steel casing, without configuring other lifting appliances, makes unit head bring into play several functions again, executesWork is convenient and swift, has improved resource utilization.
Below in conjunction with accompanying drawing, the invention will be further described.
Brief description of the drawings
Fig. 1 is power transmission cylinder, the guide cylinder of the pile work drilling machine coordinated type breast wall apparatus in the present invention and medium-height trestle is installed to drilling rodState diagram after upper;
Fig. 2 is the casing of the pile work drilling machine coordinated type breast wall apparatus in the present invention and the structure chart of drawing casing device;
Fig. 3 is the single-lobe front view of the power transmission cylinder of the pile work drilling machine coordinated type breast wall apparatus in the present invention;
Fig. 4 is the single-lobe stereogram of the power transmission cylinder of the pile work drilling machine coordinated type breast wall apparatus in the present invention;
Fig. 5 is the single-lobe front view of the guide cylinder of the pile work drilling machine coordinated type breast wall apparatus in the present invention;
Fig. 6 is the single-lobe stereogram of the guide cylinder of the pile work drilling machine coordinated type breast wall apparatus in the present invention;
Fig. 7 is the construction process figure of the construction method of utilizing pile work drilling machine coordinated type breast wall apparatus in the present invention.
Detailed description of the invention
The present invention does on the basis of existing " bidirectional helix extruding-enlarging pile construction method and bidirectional helix closed extruding-enlarging aiguille "Improvement invention, refer to about the particular content of " bidirectional helix extruding-enlarging pile construction method and bidirectional helix closed extruding-enlarging aiguille "Beijing China Metallurgical Engineering Ltd is in " bidirectional helix extruding-enlarging pile construction method and the two-way spiral shell of application on February 15th, 2007Revolve closed extruding-enlarging aiguille " patent of invention, its patent No. is ZL200710063983.3, Granted publication day is in December, 200916 days. The present embodiment only elaborates for improvement part, the device of the prior art depending on as for improvement part andThe existing construction method relating to refers to above-mentioned " bidirectional helix extruding-enlarging pile construction method and bidirectional helix closed extruding-enlarging aiguille "Patent of invention.
As shown in Figure 1, and shown in Figure 2, the pile work drilling machine in the present invention with coordinated type breast wall apparatus comprise power transmission cylinder 1,Guide cylinder 2, to medium-height trestle 3, casing 4, drawing casing device 5 and lowering or hoisting gear, power transmission cylinder 1, guide cylinder 2 and centering are propped upFrame 3 is from top to bottom fixed on the drilling rod 6 of pile work drilling machine successively, and power transmission cylinder 1 is positioned at pile work drilling machine unit head 7 with guide cylinder 2Under first drilling rod on, medium-height trestle 3 is positioned to the middle and lower part of drilling rod 6. Drawing casing device 5 is for a closed type structure, when itWhen closed, can clamp casing 4, in the time opening, can unclamp casing 4, it is large that casing 4 is sleeved on drilling rod 6 internal diameter outer and casing 4In the external diameter of drilling rod 6 lower end drill bits 8, drill bit 8 is bidirectional helix extruding enlarging aiguille of the prior art, guide cylinder 2 and centeringThe external diameter of support 3 is all less than the internal diameter of casing 4, and the lower surface of power transmission cylinder 1 is provided with lower end tooth 101, and establish the upper surface of casing 4Have can with the upper end tooth 401 of lower end tooth 101 mutual interlocks, casing 4 is clamped in drawing casing device 5, lowering or hoisting gear drivesMoving drawing casing device 5 rises or declines.
Drawing casing device 5 comprises a clamp, and clamp is made up of two block plates, is all provided with a half round cut, two on every block plateIndividual half round cut is symmetrical arranged, and is all connected with a hydraulic pump (not shown) on every block plate, and two hydraulic pumps are simultaneously symmetricalGround control clamp opens or is closed, and in the time that clamp is closed, two half round cut form a full circle breach.
Lowering or hoisting gear comprises upper and lower fixed pulley group 9,10 and steel wire rope, and upper fixed pulley group 9 is arranged on pile work drilling machine unit head 7Upper, lower fixed pulley group 10 is arranged on drawing casing device 5, and 9,10 of upper and lower fixed pulley groups are arranged with steel wire rope.
Medium-height trestle 3 is comprised to a steel annulus, and steel annulus is by steel plate block welding on drilling rod 6 outer walls, and drilling rod 6 is positioned at circleRing center, the diameter of steel annulus is slightly less than the internal diameter of casing 4.
The upper end outer wall of casing 4 is provided with a card platform 402, and card platform 402 is positioned at end tooth 401 belows, the height of card platform 402Be 10 ㎝, the external diameter of card platform 402 is than the large 4-5 ㎝ of the external diameter of casing 4. The effect of design card platform 402 is to facilitate drawing casing dressThe clamp of putting in 5 clamps casing 4, in the time that clamp blocks the position lifting casing 4 of card platform 402 belows of casing 4, and casing 4Be not easy slippage from clamp.
As shown in Fig. 3,4,5,6, power transmission cylinder 1 is symmetric double valve structure, bivalve rear bag with bolts with guide cylinder 2Be rolled on the outer wall of drilling rod 6 and fix with drilling rod 6. The internal diameter of the bivalve structure of power transmission cylinder 1 and guide cylinder 2 all with drilling rod 6External diameter identical, the external diameter of the bivalve structure of guide cylinder 2 is slightly less than the internal diameter of casing 4. Power transmission cylinder 1 is fixed on drilling rod 6 outer wallsOn mode be: the inwall place, lower end of power transmission cylinder 1 is provided with groove, its can with drilling rod 6 on protruding latch interlock, after interlock, passPower cylinder 1 has just been fixed on the outer wall of drilling rod 6. Guide cylinder 2 is bolted on the outer wall of drilling rod 6.
The lower end tooth 101 of power transmission cylinder 1 is for being uniformly distributed along power transmission cylinder 1 lower surface and tooth pitch is greater than the flat steel-tooth of the facewidth, casing 4Upper end tooth 401 also for being uniformly distributed along casing 4 upper surfaces and tooth pitch is greater than the flat steel-tooth of the facewidth, so arrange be in order to make,Lower end tooth 401,101 is easy to interlock and separates, and casing 4 is steel casing.
The lower end of guide cylinder 2 is back taper, upwards promotes when the guide cylinder 2 like this guide cylinder when casing 4 overlaps drilling rod 62 lower end more easily enters in casing 4, better to the guide effect of casing 4.
As shown in Figure 7, the construction method of coordinated type breast wall apparatus for the use pile work drilling machine in the present invention, comprises the following steps,
1) device assembles: power transmission cylinder 1, guide cylinder 2 are installed successively from top to bottom on the drilling rod 6 of pile work drilling machine and to medium-height trestle3, overlapped bidirectional helix extruding enlarging aiguille lifting drawing casing device 5, pile work drilling machine is in place according to known method, is ready to coagulationSoil pump, and preparation perfusion piling, piling is concrete piling or CFG material or tailings mortar piling or cement steelAny one in slag piling;
2) rig spinning pore-forming and steel casing screw in: after pile work drilling machine is in place, start rig, utilize bidirectional helix extruding enlarging aiguille to enterRow lower spiral expanded finished hole, until pile hole extruding-extending after certain depth, steel casing upper end steel-tooth and the 1 lower end steel-tooth interlock of power transmission cylinder, steelAperture is arrived in casing lower end, and drawing casing device 5 clamps open, and decontrols steel casing, ensures that drawing casing device 5 does not affect steelCasing rotates freely and plays centralizing function, continues to apply clockwise moment of torsion and downforce, and steel casing linkage rotation is enteredHole, in the time that steel casing position suitable for reading and drawing casing device 5 arrive Near Ground, can stop to bore, by steel casing upper end steel-tooth withPower transmission cylinder 1 lower end steel-tooth separates;
3) on drill bit, revolve and promote and guncreting: start pile work drilling machine and apply clockwise moment of torsion and lift power, make two-wayHelix extruding-enlarging bit is up and again rotate stake hole, squeezed top, in revolving lifting, opens on bidirectional helix extruding enlarging aiguilleMoving concrete pump, carries out the filling of coagulation soil pressure to completing squeezed stake hole, squeezed by concrete pressure, makes to complete coagulationThe expanded diameter that soil pressure is filled with pile cutoff meets designing requirement, till this hole coagulation soil pressure process of filling with will last till design of pile top absolute altitude,Afterwards bidirectional helix extruding enlarging aiguille is hung out from steel casing;
4) implanted reinforced bar cage, tendon or shaped steel: utilize rig pile frame and secondary hoist engine to implement steel reinforcement cage, tendon or shaped steelLifting and implantation, in the time that steel reinforcement cage, tendon or shaped steel cannot sink under deadweight, utilize vibration hammer by steel reinforcement cage, tendonOr shaped steel implantation pile body, implantation depth must meet designing requirement;
5) extract steel casing: after above-mentioned each operation completes, utilize the power of drill power head 7 and drawing casing device 5 to blockSteel casing is extracted at steel casing position suitable for reading, so far completes foundation pile construction.
The construction method of coordinated type breast wall apparatus for use pile work drilling machine in the present invention, wherein said step 1) in, power transmission cylinder 1All be arranged on first drilling rod under pile work drilling machine unit head 7 with guide cylinder 2, to medium-height trestle 3 be arranged on drilling rod 6 underPortion, initial rig depth of pore forming is about steel casing length or foundation depth, described step 2) in bidirectional helix extruding enlarging aiguille with 4To the rotating speed backspin pore-forming of 14 revs/min, specify absolute altitude when steel casing top arrives, and bidirectional helix extruding-enlarging bit brill expands intoHole to projected depth can stop bore, described step 3) in bidirectional helix extruding enlarging aiguille rotate and upgrade with the speed of 1 to 4 m/min.
In the present invention, in order to obtain better construction effect, the internal diameter of steel casing is slightly larger than the intended diameter of foundation pile.
Fig. 7 a represents to be provided with power transmission cylinder, guide cylinder, stake work to medium-height trestle, drawing casing device and bidirectional helix extruding enlarging aiguilleRig and concrete pump equipment; Fig. 7 b represents bidirectional helix extruding enlarging aiguille lower spiral expanded finished hole; Fig. 7 c represents that steel casing starts connectionThe moving stake hole that screws in; Fig. 7 d represents that a hole arrives projected depth and steel casing reaches default length of embedment; Fig. 7 e represents two-way spiral shellRevolve on extruding-enlarging aiguille, to revolve to carry and bore and to guncreting in stake hole; Fig. 7 f has represented guncreting, on the inner concrete of stake holeSurface has reached design height; Fig. 7 g represents in bidirectional screw soil compaction bored concrete pile body, to insert, be pressed into or shake into steel reinforcement cage, tendonOr shaped steel; Fig. 7 h has represented steel reinforcement cage, tendon or shaped steel implantation; Fig. 7 i represents drawing tapping casing.
Use pile work drilling machine in the present invention is extensive with the applicable stratum of the construction method of coordinated type breast wall apparatus, comprise backfill soil,Sandy soil, silt, bury, silty clay, clay, loess, gravel soil and complete, severely-weathered soil layer etc., to coastal along the lakeBidirectional screw soil compaction filling pile construction in bury stratum, area has very strong applicability, is also applicable to high water level stratum simultaneously.
Use pile work drilling machine in the present invention is specially adapted to first to carry out pile foundation construction by the construction method of coordinated type breast wall apparatus and entersThe engineering project of row deep pit digging, therefore, has very strong practicality to the construction-engineering project that contains basement.
Above-described embodiment is described the preferred embodiment of the present invention, not scope of the present invention is carried outLimit, design under the prerequisite of spirit not departing from the present invention, those of ordinary skill in the art make technical scheme of the present inventionVarious distortion and improvement, all should fall in the definite protection domain of the claims in the present invention book.
Claims (10)
1. a pile work drilling machine coordinated type breast wall apparatus, is characterized in that: comprise power transmission cylinder (1), guide cylinder (2), centeringSupport (3), casing (4), drawing casing device (5) and lowering or hoisting gear, described power transmission cylinder (1), guide cylinder (2) and rightMedium-height trestle (3) is from top to bottom fixed on the drilling rod (6) of pile work drilling machine successively, and described drawing casing device (5) is an enclosedStructure can clamp casing (4) in the time that it is closed, can unclamp casing (4) in the time opening, and described casing (4) is sleeved on brillBar (6) internal diameter outer and casing (4) is greater than the external diameter of drilling rod (6) lower end drill bit (8), described guide cylinder (2) and centeringThe external diameter of support (3) is all less than the internal diameter of casing (4), and the lower surface of described power transmission cylinder (1) is provided with lower end tooth (101), instituteThe upper surface of stating casing (4) be provided with can with lower end tooth (101) the upper end tooth (401) of interlock mutually, casing (4) clampingIn drawing casing device (5), described lowering or hoisting gear drives drawing casing device (5) to rise or declines.
2. pile work drilling machine according to claim 1 coordinated type breast wall apparatus, is characterized in that: described drawing casing device(5) comprise a clamp, described clamp is made up of two block plates, is all provided with a half round cut on every block plate, two half round cutBe symmetrical arranged, be all connected with a hydraulic pump on every block plate, two hydraulic pumps are controlled symmetrically that clamp opens simultaneously or are closed,In the time that clamp is closed, two half round cut form a full circle breach.
3. pile work drilling machine according to claim 1 and 2 coordinated type breast wall apparatus, is characterized in that: described lowering or hoisting gearComprise upper and lower fixed pulley group (9,10) and steel wire rope, described upper fixed pulley group (9) is arranged on pile work drilling machine unit head (7)Upper, it is upper that described lower fixed pulley group (10) is arranged on drawing casing device (5), between described upper and lower fixed pulley group (9,10)Be arranged with described steel wire rope.
4. pile work drilling machine according to claim 3 coordinated type breast wall apparatus, is characterized in that: described to medium-height trestle (3)Comprise a steel annulus, described steel annulus is welded on drilling rod (6) outer wall, and drilling rod (6) is positioned at circle ring center.
5. pile work drilling machine according to claim 4 coordinated type breast wall apparatus, is characterized in that: described casing (4)Upper end outer wall is provided with Yi Katai (402), and described Ka Tai (402) is positioned at end tooth (401) below.
6. pile work drilling machine according to claim 5 coordinated type breast wall apparatus, is characterized in that: described power transmission cylinder (1)Be symmetric double valve structure with guide cylinder (2), after bivalve is with bolts, be wrapped on the outer wall of drilling rod (6) and and drilling rod(6) fix.
7. pile work drilling machine according to claim 6 coordinated type breast wall apparatus, is characterized in that: described power transmission cylinder (1)Lower end tooth (101) for being uniformly distributed along power transmission cylinder (1) lower surface and tooth pitch is greater than the flat steel-tooth of the facewidth, described casing (4)Upper end tooth (401) also for being uniformly distributed along casing (4) upper surface and tooth pitch is greater than the flat steel-tooth of the facewidth, described casing (4)For steel casing.
8. pile work drilling machine according to claim 7 coordinated type breast wall apparatus, is characterized in that: described guide cylinder (2)Lower end be back taper.
9. right to use requires the construction method of the pile work drilling machine coordinated type breast wall apparatus described in 8, it is characterized in that: comprise withLower step,
1) device assembles: on the drilling rod (6) of pile work drilling machine, install successively from top to bottom power transmission cylinder (1), guide cylinder (2) andTo medium-height trestle (3), overlapped bidirectional helix extruding enlarging aiguille lifting drawing casing device (5), pile work drilling machine is according to known method justPosition, is ready to concrete pump, and preparation perfusion piling, and piling is concrete piling or CFG material or CHARACTERISTICS OF TAILINGS SANDAny one in slurry piling or cement steel slag piling;
2) rig spinning pore-forming and steel casing screw in: after pile work drilling machine is in place, start rig, utilize bidirectional helix extruding enlarging aiguille to enterRow lower spiral expanded finished hole, until pile hole extruding-extending after certain depth, steel casing upper end steel-tooth and power transmission cylinder (1) lower end steel-tooth interlock,Aperture is arrived in steel casing lower end, and drawing casing device (5) clamp opens, and decontrols steel casing, ensures drawing casing device (5)Do not affect steel casing and rotate freely and play centralizing function, continue to apply clockwise moment of torsion and downforce, make steel casing connectionMoving rotation hand-hole, in the time of steel casing position suitable for reading and drawing casing device (5) arrival Near Ground, can stop to bore, by steel casingUpper end steel-tooth separates with power transmission cylinder lower end steel-tooth;
3) on drill bit, revolve and promote and guncreting: start pile work drilling machine and apply clockwise moment of torsion and lift power, make two-wayHelix extruding-enlarging bit is up and again rotate stake hole, squeezed top, in revolving lifting, opens on bidirectional helix extruding enlarging aiguilleMoving concrete pump, carries out the filling of coagulation soil pressure to completing squeezed stake hole, squeezed by concrete pressure, makes to complete coagulationThe expanded diameter that soil pressure is filled with pile cutoff meets designing requirement, till this hole coagulation soil pressure process of filling with will last till design of pile top absolute altitude,Afterwards bidirectional helix extruding enlarging aiguille is hung out from steel casing;
4) implanted reinforced bar cage, tendon or shaped steel: utilize rig pile frame and secondary hoist engine to implement steel reinforcement cage, tendon or shaped steelLifting and implantation, in the time that steel reinforcement cage, tendon or shaped steel cannot sink under deadweight, utilize vibration hammer by steel reinforcement cage, tendonOr shaped steel implantation pile body, implantation depth must meet designing requirement;
5) extract steel casing: after above-mentioned each operation completes, utilize power and the drawing casing device (5) of drill power head (7)Block steel casing position suitable for reading steel casing is extracted, so far complete foundation pile construction.
10. construction method according to claim 9, is characterized in that: described step 1) in, power transmission cylinder (1) with leadAll be arranged on first drilling rod under pile work drilling machine unit head (7) to cylinder (2), medium-height trestle (3) is arranged on to drilling rod (6)Middle and lower part, initial rig depth of pore forming is about steel casing length or foundation depth, described step 2) in bidirectional helix extruding counterboringHead, with the rotating speed backspin pore-forming of 4 to 14 revs/min, is specified absolute altitude when steel casing top arrives, and bidirectional helix extruding-enlarging bitBore and expand pore-forming to projected depth and can stop to bore, described step 3) in bidirectional helix extruding enlarging aiguille with the speed rotation of 1 to 4 m/minPromote.
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| CN201510025257.7A CN104563104B (en) | 2015-01-19 | 2015-01-19 | Pile work drilling machine is with coordinated type breast wall apparatus and use its construction method |
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| CN201510025257.7A CN104563104B (en) | 2015-01-19 | 2015-01-19 | Pile work drilling machine is with coordinated type breast wall apparatus and use its construction method |
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| CN106351585A (en) * | 2016-10-27 | 2017-01-25 | 东南大学 | Hole collapse and shrinkage prevention bidirectional spiral extrusion and expansion drilling tool and construction technology thereof |
| CN106638580B (en) * | 2016-11-11 | 2018-06-01 | 山东威建岩土科技有限公司 | Spiral soil compaction follows up into hole sleeve and concrete pile making method is perfused |
| CN110671062A (en) * | 2019-11-15 | 2020-01-10 | 深圳亚硕工程设备有限公司 | Fixed locator for fixed reverse circulation drilling machine |
| CN112982400A (en) * | 2021-02-26 | 2021-06-18 | 无锡安丰基础工程有限公司 | Pile casing follow-up type drilling bored concrete pile drilling tool |
| CN114215051A (en) * | 2022-01-06 | 2022-03-22 | 恒天九五重工有限公司 | A protect a device and dig rig soon for bored concrete pile construction |
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| JPS60246923A (en) * | 1984-05-18 | 1985-12-06 | Daido Concrete Kogyo Kk | Rotary device for foundation pile |
| JPS6319328A (en) * | 1986-07-11 | 1988-01-27 | Nisshin Kiso Kogyo Kk | Method and apparatus for constructing turning-penetrating type large-diameter steel tube |
| CN2354993Y (en) * | 1999-01-06 | 1999-12-22 | 王继忠 | Apparatus for cast-in-situ concrete piles |
| CN2892969Y (en) * | 2006-04-03 | 2007-04-25 | 梁毅 | Pipe sinking and bottom expanding device of static pressure pile machine |
| CN101298771B (en) * | 2008-07-02 | 2011-01-26 | 齐庆国 | Static pressure sunken tube pedestal concrete pile construction method and static pile press thereof |
| CN103132908B (en) * | 2013-02-07 | 2015-06-17 | 宁波市中乾建筑工程有限公司 | Device for drilling rock and embedding rock-socketed prestressed pipe pile by down-hole hammer and construction method of device |
| CN204608773U (en) * | 2015-01-19 | 2015-09-02 | 宁波市坤德创新岩土工程有限公司 | Pile work drilling machine coordinated type breast wall apparatus |
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Address after: 315048 B2 801, R & D Park, Lane 999, sailing Road, hi tech Zone, Zhejiang, Ningbo Applicant after: Zhejiang Kun innovation Geotechnical Engineering Co., Ltd. Applicant after: MCC Central Research Institute of Building and Construction Co., Ltd. Address before: 315048 B2 801, R & D Park, Lane 999, sailing Road, hi tech Zone, Zhejiang, Ningbo Applicant before: NINGBO KUNDE INNOVATIVE GEOTECHNICAL ENGINEERING CO., LTD. Applicant before: MCC Central Research Institute of Building and Construction Co., Ltd. |
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