CN104563104A - Linkage type wall protecting device for pile driving drilling machine and construction method for using linkage type wall protecting device for pile driving drilling machine - Google Patents
Linkage type wall protecting device for pile driving drilling machine and construction method for using linkage type wall protecting device for pile driving drilling machine Download PDFInfo
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- CN104563104A CN104563104A CN201510025257.7A CN201510025257A CN104563104A CN 104563104 A CN104563104 A CN 104563104A CN 201510025257 A CN201510025257 A CN 201510025257A CN 104563104 A CN104563104 A CN 104563104A
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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
Abstract
The invention discloses a linkage type wall protecting device for a pile driving drilling machine and a construction method for using the linkage type wall protecting device for the pile driving drilling machine, relates to a device for bidirectional spiral soil squeezing cast-in-place pile construction and a construction method for using the device. The linkage type wall protecting device for the pile driving drilling machine and the construction method for using the linkage type wall protecting device for the pile driving drilling machine are easy and convenient to operate, and enable pile formation quality to be better. The linkage type wall protecting device for the pile driving drilling machine comprises a force transmission cylinder (1), a guide cylinder (2), a centring support (3), a retaining cylinder (4), a retaining cylinder drawing device (5) and a lifting device, wherein lower end teeth (101) are arranged on the lower end surface of the force transmission cylinder, and upper end teeth (401) are arranged on the upper end surface of the retaining cylinder. The construction method for using the linkage type wall protecting device for the pile driving drilling machine comprises the steps that (1) the device is assembled; (2) the drilling machine conducts rotary extrusion and hole formation, and the steel retaining cylinder is screwed into a hole; (3) a drill bit upwards rotates to be lifted, and concrete is poured in a press mode; (4) a reinforcement cage or bundled bars or section steel is implanted; (5) the steel retaining cylinder is pulled out.
Description
Technical field
The present invention relates to civil construction project field, particularly relate to a kind of for the device in bidirectional screw soil compaction filling pile construction and the construction method using this device.
Background technology
In pile foundation engineering and foundation treatment engineering field, for the engineering that there is basement structure, cast-in-place concrete pile or plain concrete filling pile construction have two schemes usually: one carries out filling pile construction after first excavation pit, and another is castinplace pile of first constructing, then carries out excavation of foundation pit.
The scheme of 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 construction operation, nothing cannot be implemented under effectively falling the situations such as row's underground water.
It is carry out filling pile construction on earth's surface to ground or below ground that castinplace pile of first constructing carries out excavation of foundation pit scheme again, and then excavation pit is to cheating the end, and blocks overhead foundation pile, cut operation.This conventional construction method can cause a large amount of waste of concrete material and the increase of project cost.
Bidirectional screw soil compaction castinplace pile is the Novel pile foundation technology than conventional foundation pile with more high-bearing capacity, more environmental protection and economy, more high efficiency of MCC Central Research Institute of Building and Construction Co., Ltd. and Beijing China Metallurgical Engineering Ltd's research and development, " bidirectional helix extruding-enlarging pile construction method and bidirectional helix closed extruding-enlarging aiguille " patent of invention that the particular content of bidirectional helix extruding-enlarging pile construction method is applied on February 15th, 2007 see Beijing China Metallurgical Engineering Ltd, its patent No. is ZL 200710063983.3, and authorized announcement date is on December 16th, 2009.But this pile-type, in certain areas, particularly can face when soft clay area application implementation that top stake holes is easily caved in, the problems such as band mud hand-hole easily occur when easily producing folder mud, rear slotting reinforcing 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, provide a kind of easy and simple to handle, pile quality better pile work drilling machine coordinated type breast wall apparatus can be made and use its construction method.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, comprise power transmission cylinder, guide cylinder, to medium-height trestle, casing, drawing casing device and lifting gear, described power transmission cylinder, guide cylinder and medium-height trestle is from top to bottom fixed on the drilling rod of pile work drilling machine successively, described drawing casing device is a closed type structure, casing can be clamped when it is closed, casing can be unclamped when opening, described casing is sleeved on the external diameter that the outer and internal diameter of casing of drilling rod is greater than drilling rod lower end drill bit, described guide cylinder and the external diameter of medium-height trestle is all less than to the internal diameter of casing, the lower surface of described power transmission cylinder is provided with lower end tooth, the upper surface of described casing is provided with the upper end tooth that mutually can be engaged with lower end tooth, casing is clamped in drawing casing device, described lifting gear drives drawing casing device to rise or decline.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, wherein said drawing casing device comprises a clamp, described clamp is made up of two block plates, every block plate is all provided with a half round cut, two half round cut are symmetrical arranged, and every block plate are all connected with a hydraulic pump, and two hydraulic pumps control clamp simultaneously symmetrically and open or close, when clamp closes, two half round cut form a full circle breach.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, wherein said lifting gear comprises upper and lower fixed pulley group and wire rope, described upper fixed pulley group is arranged on pile work drilling machine unit head, described lower fixed pulley group is arranged on drawing casing device, is arranged with described wire rope between described upper and lower fixed pulley group.
Pile work drilling machine in the present invention coordinated type breast wall apparatus, wherein saidly comprises a steel annulus to medium-height trestle, and described steel annulus 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 a chuck, and described chuck is positioned at below end tooth.
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, and the outer wall being wrapped in drilling rod after bivalve is with bolts fixes 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 to be uniformly distributed along power transmission cylinder lower surface and tooth pitch is greater than the flat steel-tooth of the facewidth, the upper end tooth of described casing is also for be uniformly distributed along casing upper surface and tooth pitch is greater than the flat steel-tooth of the facewidth, and described casing is steel pile casting.
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 use pile work drilling machine construction method of coordinated type breast wall apparatus in the present invention, comprises the following steps,
1) device assembles: install power transmission cylinder, guide cylinder and to medium-height trestle on the drilling rod of pile work drilling machine from top to bottom successively, overlapped bidirectional helix extruding enlarging aiguille lifting drawing casing device, pile work drilling machine is in place according to known method, get out concrete pump, and preparation perfusion piling, piling is any one in concrete piling or CFG material or tailings mortar piling or cement steel slag piling;
2) rig spinning pore-forming and steel pile casting screw in: after pile work drilling machine is in place, start rig, bidirectional helix extruding enlarging aiguille is utilized to carry out lower spiral expanded finished hole, after pile hole extruding-extending to certain depth, steel pile casting upper end steel-tooth is engaged with power transmission cylinder lower end steel-tooth, aperture is arrived in steel pile casting lower end, drawing casing device clamp opens, decontrol steel pile casting, ensure that drawing casing device does not affect steel pile casting and rotates freely and play centralizing function, continue to apply clockwise moment of torsion and downforce, make steel pile casting linkage rotation hand-hole, when steel pile casting position suitable for reading and drawing casing device arrive Near Ground, can stop to bore, steel pile casting upper end steel-tooth is separated with power transmission cylinder lower end steel-tooth,
3) drill bit revolves lifting and guncreting: start pile work drilling machine and apply clockwise moment of torsion and lift power, make bidirectional helix extruding-enlarging bit up and again rotate squeezed top stake holes, while bidirectional helix extruding enlarging aiguille revolves lifting, start concrete pump, the filling of coagulation soil pressure is carried out to completing squeezed stake holes, squeezed by concrete pressure, the expanded diameter completing concrete guncreting pile section is made to meet designing requirement, till this stake holes 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 pile casting,
4) implanted reinforced bar cage, tendon or shaped steel: utilize rig pile frame and secondary hoist engine to implement lifting and the implantation of reinforcing cage, tendon or shaped steel, when reinforcing cage, tendon or shaped steel cannot sink under conducting oneself with dignity, utilize vibrating hammer that reinforcing cage, tendon or shaped steel are implanted pile body, implantation depth must meet designing requirement;
5) extract steel pile casting: after above-mentioned each operation completes, utilize the power of drill power head and drawing casing device to block steel pile casting position suitable for reading and steel pile casting is extracted, so far complete foundation pile construction.
Use pile work drilling machine in the present invention construction method of coordinated type breast wall apparatus, wherein said step 1) in, power transmission cylinder and guide cylinder are all arranged on first drilling rod under pile work drilling machine unit head, centering support installing is in the middle and lower part of drilling rod, initial rig depth of pore forming is about steel pile casting length or foundation depth, described step 2) in bidirectional helix extruding enlarging aiguille with the rotating speed backspin pore-forming of 4 to 14 revs/min, absolute altitude is specified when steel pile casting top arrives, and bidirectional helix extruding-enlarging bit brill expansion pore-forming to projected depth can stop to bore, described step 3) in bidirectional helix extruding enlarging aiguille with the speed rotary lifting of 1 to 4 m/min.
Pile work drilling machine coordinated type breast wall apparatus of the present invention and use its construction method difference from prior art to be that the present invention has 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, drilling rod adds guide cylinder and to medium-height trestle, the stability of drill rod boring tool is enhanced in rig pore forming process, casing is enclosed within after on drilling rod, because guide cylinder and have supporting role to casing to the upper-lower position of medium-height trestle respectively in casing, so casing can not swing, there is higher verticality.Guide cylinder also has guide effect, and in the process that casing upwards promotes, casing can move up along guide cylinder and successfully realize being engaged of end tooth and end tooth under power transmission cylinder on it.
2, utilize the construction method of pile work drilling machine coordinated type breast wall apparatus on the basis of original bidirectional screw soil compaction cast-in-place pile construction method in the present invention, add the technique implementing steel pile casting, thus solve for the disadvantage needing to cut in a large number stake under deep foundation ditch condition in pile foundation engineering, the object reach efficiency utilization resource, effectively reducing costs.
3, utilize the construction method of pile work drilling machine coordinated type breast wall apparatus on original bidirectional screw soil compaction cast-in-place pile construction method basis in the present invention, add the rigidity retaining wall function of steel pile casting, effectively prevent hole wall collapse hole.Meanwhile, in the work progress of implanted reinforced bar cage, tendon or shaped steel, can prevent stake holes from caving in and by earth band hand-hole, guarantee pile quality.
Pile work drilling machine coordinated type breast wall apparatus in the present invention utilizes pile work drilling machine unit head, lifting, the pull-up of steel pile casting is served as by installing two groups of movable pulley thereon additional, without the need to configuring other lifting appliances again, unit head is played several functions, convenient and quick construction, improves resource utilization.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 be on the power transmission cylinder of pile work drilling machine coordinated type breast wall apparatus in the present invention, guide cylinder and centering support installing to drilling rod after state diagram;
Fig. 2 is the casing of 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 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 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 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 pile work drilling machine coordinated type breast wall apparatus in the present invention;
Fig. 7 is the construction process figure utilizing the construction method of pile work drilling machine coordinated type breast wall apparatus in the present invention.
Detailed description of the invention
The present invention is the improvement invention done on the basis of existing " bidirectional helix extruding-enlarging pile construction method and bidirectional helix closed extruding-enlarging aiguille ", particular content about " bidirectional helix extruding-enlarging pile construction method and bidirectional helix closed extruding-enlarging aiguille " refers to " bidirectional helix extruding-enlarging pile construction method and bidirectional helix closed extruding-enlarging aiguille " patent of invention that Beijing China Metallurgical Engineering Ltd applied on February 15th, 2007, its patent No. is ZL 200710063983.3, and authorized announcement date is on December 16th, 2009.The present embodiment only elaborates for improvement part, and the device of the prior art depended on as improvement part and the existing construction method related to refer 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 it is shown in Figure 2, pile work drilling machine coordinated type breast wall apparatus in the present invention comprise power transmission cylinder 1, guide cylinder 2, to medium-height trestle 3, casing 4, drawing casing device 5 and lifting gear, power transmission cylinder 1, guide cylinder 2 and medium-height trestle 3 is from top to bottom fixed on the drilling rod 6 of pile work drilling machine successively, power transmission cylinder 1 and guide cylinder 2 are positioned on first drilling rod under pile work drilling machine unit head 7, medium-height trestle 3 are positioned to the middle and lower part of drilling rod 6.Drawing casing device 5 is a closed type structure, casing 4 can be clamped when it is closed, casing 4 can be unclamped when opening, casing 4 is sleeved on the external diameter that the outer and internal diameter of casing 4 of drilling rod 6 is greater than drilling rod 6 lower end drill bit 8, drill bit 8 is bidirectional helix extruding enlarging aiguille of the prior art, the guide cylinder 2 and external diameter of medium-height trestle 3 is all less than to the internal diameter of casing 4, the lower surface of power transmission cylinder 1 is provided with lower end tooth 101, the upper surface of casing 4 is provided with the upper end tooth 401 that mutually can be engaged with lower end tooth 101, casing 4 is clamped in drawing casing device 5, lifting gear drives drawing casing device 5 to rise or decline.
Drawing casing device 5 comprises a clamp, clamp is made up of two block plates, every block plate is all provided with a half round cut, two half round cut are symmetrical arranged, every block plate is all connected with a hydraulic pump (not shown), two hydraulic pumps control clamp simultaneously symmetrically and open or close, and when clamp closes, two half round cut form a full circle breach.
Lifting gear comprises upper and lower fixed pulley group 9,10 and wire rope, and upper fixed pulley group 9 is arranged on pile work drilling machine unit head 7, and lower fixed pulley group 10 is arranged on drawing casing device 5, is arranged with wire rope between upper and lower fixed pulley group 9,10.
Comprise a steel annulus to medium-height trestle 3, steel annulus is by steel plate block welding on drilling rod 6 outer wall, and drilling rod 6 is positioned at circle ring center, and 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 chuck 402, and chuck 402 is positioned at below end tooth 401, and the height of chuck 402 is 10 ㎝, the external diameter 4-5 ㎝ larger than the external diameter of casing 4 of chuck 402.The effect of design chuck 402 facilitates the clamp in drawing casing device 5 to clamp casing 4, and when the position below the chuck 402 that clamp blocks casing 4 promotes casing 4, casing 4 is not easy slippage from clamp.
As shown in Fig. 3,4,5,6, power transmission cylinder 1 and guide cylinder 2 are symmetric double valve structure, and the outer wall being wrapped in drilling rod 6 after bivalve is with bolts fixes with drilling rod 6.Power transmission cylinder 1 is all identical with the external diameter of drilling rod 6 with the internal diameter of the bivalve structure of guide cylinder 2, and the external diameter of the bivalve structure of guide cylinder 2 is slightly less than the internal diameter of casing 4.The mode that power transmission cylinder 1 is fixed on drilling rod 6 outer wall is: the lower end inner wall place of power transmission cylinder 1 is provided with groove, and it can be engaged with the protruding latch on drilling rod 6, and after occlusion, power transmission 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 to be uniformly distributed along power transmission cylinder 1 lower surface and tooth pitch is greater than the flat steel-tooth of the facewidth, the upper end tooth 401 of casing 4 is also for be uniformly distributed along casing 4 upper surface and tooth pitch is greater than the flat steel-tooth of the facewidth, setting like this is that casing 4 is steel pile casting in order to make upper and lower end tooth 401,101 be easy to occlusion and be separated.
The lower end of guide cylinder 2 is back taper, like this when casing 4 overlapped drilling rod 6 upwards promote through guide cylinder 2 time, the lower end of guide cylinder 2 more easily enters in casing 4, better to the guide effect of casing 4.
As shown in Figure 7, the use pile work drilling machine construction method of coordinated type breast wall apparatus in the present invention, comprises the following steps,
1) device assembles: install power transmission cylinder 1, guide cylinder 2 and to medium-height trestle 3 on the drilling rod 6 of pile work drilling machine from top to bottom successively, overlapped bidirectional helix extruding enlarging aiguille lifting drawing casing device 5, pile work drilling machine is in place according to known method, get out concrete pump, and preparation perfusion piling, piling is any one in concrete piling or CFG material or tailings mortar piling or cement steel slag piling;
2) rig spinning pore-forming and steel pile casting screw in: after pile work drilling machine is in place, start rig, bidirectional helix extruding enlarging aiguille is utilized to carry out lower spiral expanded finished hole, after pile hole extruding-extending to certain depth, steel pile casting upper end steel-tooth is engaged with power transmission cylinder 1 lower end steel-tooth, aperture is arrived in steel pile casting lower end, drawing casing device 5 clamp opens, decontrol steel pile casting, ensure that drawing casing device 5 does not affect steel pile casting and rotates freely and play centralizing function, continue to apply clockwise moment of torsion and downforce, make steel pile casting linkage rotation hand-hole, when steel pile casting position suitable for reading and drawing casing device 5 arrive Near Ground, can stop to bore, steel pile casting upper end steel-tooth is separated with power transmission cylinder 1 lower end steel-tooth,
3) drill bit revolves lifting and guncreting: start pile work drilling machine and apply clockwise moment of torsion and lift power, make bidirectional helix extruding-enlarging bit up and again rotate squeezed top stake holes, while bidirectional helix extruding enlarging aiguille revolves lifting, start concrete pump, the filling of coagulation soil pressure is carried out to completing squeezed stake holes, squeezed by concrete pressure, the expanded diameter completing concrete guncreting pile section is made to meet designing requirement, till this stake holes 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 pile casting,
4) implanted reinforced bar cage, tendon or shaped steel: utilize rig pile frame and secondary hoist engine to implement lifting and the implantation of reinforcing cage, tendon or shaped steel, when reinforcing cage, tendon or shaped steel cannot sink under conducting oneself with dignity, utilize vibrating hammer that reinforcing cage, tendon or shaped steel are implanted pile body, implantation depth must meet designing requirement;
5) extract steel pile casting: after above-mentioned each operation completes, utilize the power of drill power head 7 and drawing casing device 5 to block steel pile casting position suitable for reading and steel pile casting is extracted, so far complete foundation pile construction.
Use pile work drilling machine in the present invention construction method of coordinated type breast wall apparatus, wherein said step 1) in, power transmission cylinder 1 and guide cylinder 2 are all arranged on first drilling rod under pile work drilling machine unit head 7, medium-height trestle 3 is arranged on to the middle and lower part of drilling rod 6, initial rig depth of pore forming is about steel pile casting length or foundation depth, described step 2) in bidirectional helix extruding enlarging aiguille with the rotating speed backspin pore-forming of 4 to 14 revs/min, absolute altitude is specified when steel pile casting top arrives, and bidirectional helix extruding-enlarging bit brill expansion pore-forming to projected depth can stop to bore, described step 3) in bidirectional helix extruding enlarging aiguille with the speed rotary lifting of 1 to 4 m/min.
In the present invention, in order to obtain better construction effect, the internal diameter of steel pile casting is slightly larger than the intended diameter of foundation pile.
Fig. 7 a represent be provided with power transmission cylinder, guide cylinder, to the pile work drilling machine of medium-height trestle, drawing casing device and bidirectional helix extruding enlarging aiguille and concrete pump equipment; Fig. 7 b represents bidirectional helix extruding enlarging aiguille lower spiral expanded finished hole; Fig. 7 c represents that steel pile casting starts interlock and screws in stake holes; Fig. 7 d represents that stake holes arrives projected depth and steel pile casting reaches default length of embedment; Fig. 7 e represents bidirectional helix extruding enlarging aiguille to revolve carry and to bore and to guncreting in stake holes; Fig. 7 f represents and completes guncreting, and stake holes inner concrete upper surface reaches design height; Fig. 7 g represents insertion in bidirectional screw soil compaction castinplace pile body, is pressed into or shakes into reinforcing cage, tendon or shaped steel; Fig. 7 h has represented that reinforcing cage, tendon or shaped steel are implanted; Fig. 7 i represents that drawing goes out steel pile casting.
The applicable stratum of the construction method of the use pile work drilling machine coordinated type breast wall apparatus in the present invention is extensive, comprise backfill, sandy soil, silt, bury, silty clay, clay, loess, gravel soil and complete, severely-weathered soil layer etc., to the bidirectional screw soil compaction filling pile construction in coastal regional bury stratum along the lake, there is very strong applicability, be also applicable to high water level stratum simultaneously.
The construction method of the use pile work drilling machine coordinated type breast wall apparatus in the present invention is specially adapted to first carry out the object of construction production that pile foundation construction carries out deep pit digging again, therefore, has very strong practicality to the construction-engineering project containing basement.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (10)
1. a pile work drilling machine coordinated type breast wall apparatus, it is characterized in that: comprise power transmission cylinder (1), guide cylinder (2), to medium-height trestle (3), casing (4), drawing casing device (5) and lifting gear, described power transmission cylinder (1), guide cylinder (2) and be fixed on the drilling rod (6) of pile work drilling machine from top to bottom successively to medium-height trestle (3), described drawing casing device (5) is a closed type structure, casing (4) can be clamped when it is closed, casing (4) can be unclamped when opening, described casing (4) is sleeved on drilling rod (6) and the internal diameter of casing (4) is greater than the external diameter of drilling rod (6) lower end drill bit (8) outward, described guide cylinder (2) and the external diameter of medium-height trestle (3) is all less than to the internal diameter of casing (4), the lower surface of described power transmission cylinder (1) is provided with lower end tooth (101), the upper surface of described casing (4) is provided with the upper end tooth (401) that mutually can be engaged with lower end tooth (101), casing (4) is clamped in drawing casing device (5), described lifting gear drives drawing casing device (5) to rise or declines.
2. pile work drilling machine coordinated type breast wall apparatus according to claim 1, it is characterized in that: described drawing casing device (5) comprises a clamp, described clamp is made up of two block plates, every block plate is all provided with a half round cut, two half round cut are symmetrical arranged, and every block plate are all connected with a hydraulic pump, and two hydraulic pumps control clamp simultaneously symmetrically and open or close, when clamp closes, two half round cut form a full circle breach.
3. pile work drilling machine coordinated type breast wall apparatus according to claim 1 and 2, it is characterized in that: described lifting gear comprises upper and lower fixed pulley group (9,10) and wire rope, described upper fixed pulley group (9) is arranged on pile work drilling machine unit head (7), described lower fixed pulley group (10) is arranged on drawing casing device (5), is arranged with described wire rope between described upper and lower fixed pulley group (9,10).
4. pile work drilling machine coordinated type breast wall apparatus according to claim 3, it is characterized in that: described a steel annulus is comprised to medium-height trestle (3), 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 coordinated type breast wall apparatus according to claim 4, it is characterized in that: the upper end outer wall of described casing (4) is provided with a chuck (402), described chuck (402) is positioned at end tooth (401) below.
6. pile work drilling machine coordinated type breast wall apparatus according to claim 5, it is characterized in that: described power transmission cylinder (1) and guide cylinder (2) are symmetric double valve structure, the outer wall being wrapped in drilling rod (6) after bivalve is with bolts fixes with drilling rod (6).
7. pile work drilling machine coordinated type breast wall apparatus according to claim 6, it is characterized in that: the lower end tooth (101) of described power transmission cylinder (1) is to be uniformly distributed along power transmission cylinder (1) lower surface and tooth pitch is greater than the flat steel-tooth of the facewidth, the upper end tooth (401) of described casing (4) is also for be uniformly distributed along casing (4) upper surface and tooth pitch is greater than the flat steel-tooth of the facewidth, and described casing (4) is steel pile casting.
8. pile work drilling machine coordinated type breast wall apparatus according to claim 7, is characterized in that: the lower end of described guide cylinder (2) is back taper.
9. use the pile work drilling machine construction method of coordinated type breast wall apparatus described in claim 8, it is characterized in that: comprise the following steps,
1) device assembles: install power transmission cylinder (1), guide cylinder (2) and to medium-height trestle (3) successively from top to bottom on the drilling rod (6) of pile work drilling machine, overlapped bidirectional helix extruding enlarging aiguille lifting drawing casing device (5), pile work drilling machine is in place according to known method, get out concrete pump, and preparation perfusion piling, piling is any one in concrete piling or CFG material or tailings mortar piling or cement steel slag piling;
2) rig spinning pore-forming and steel pile casting screw in: after pile work drilling machine is in place, start rig, bidirectional helix extruding enlarging aiguille is utilized to carry out lower spiral expanded finished hole, after pile hole extruding-extending to certain depth, steel pile casting upper end steel-tooth is engaged with power transmission cylinder (1) lower end steel-tooth, aperture is arrived in steel pile casting lower end, drawing casing device (5) clamp opens, decontrol steel pile casting, ensure that drawing casing device (5) does not affect steel pile casting and rotates freely and play centralizing function, continue to apply clockwise moment of torsion and downforce, make steel pile casting linkage rotation hand-hole, when steel pile casting position suitable for reading and drawing casing device (5) arrive Near Ground, can stop to bore, steel pile casting upper end steel-tooth is separated with power transmission cylinder lower end steel-tooth,
3) drill bit revolves lifting and guncreting: start pile work drilling machine and apply clockwise moment of torsion and lift power, make bidirectional helix extruding-enlarging bit up and again rotate squeezed top stake holes, while bidirectional helix extruding enlarging aiguille revolves lifting, start concrete pump, the filling of coagulation soil pressure is carried out to completing squeezed stake holes, squeezed by concrete pressure, the expanded diameter completing concrete guncreting pile section is made to meet designing requirement, till this stake holes 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 pile casting,
4) implanted reinforced bar cage, tendon or shaped steel: utilize rig pile frame and secondary hoist engine to implement lifting and the implantation of reinforcing cage, tendon or shaped steel, when reinforcing cage, tendon or shaped steel cannot sink under conducting oneself with dignity, utilize vibrating hammer that reinforcing cage, tendon or shaped steel are implanted pile body, implantation depth must meet designing requirement;
5) extract steel pile casting: after above-mentioned each operation completes, utilize the power of drill power head (7) and drawing casing device (5) to block steel pile casting position suitable for reading and steel pile casting is extracted, so far complete foundation pile construction.
10. construction method according to claim 9, it is characterized in that: described step 1) in, power transmission cylinder (1) and guide cylinder (2) are all arranged on first drilling rod under pile work drilling machine unit head (7), medium-height trestle (3) is arranged on to the middle and lower part of drilling rod (6), initial rig depth of pore forming is about steel pile casting length or foundation depth, described step 2) in bidirectional helix extruding enlarging aiguille with the rotating speed backspin pore-forming of 4 to 14 revs/min, absolute altitude is specified when steel pile casting top arrives, and bidirectional helix extruding-enlarging bit brill expansion pore-forming to projected depth can stop to bore, described step 3) in bidirectional helix extruding enlarging aiguille with the speed rotary lifting of 1 to 4 m/min.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106638580A (en) * | 2016-11-11 | 2017-05-10 | 山东威建岩土科技有限公司 | Method for forming pile by forming hole through spiral soil squeezing and following up poured concrete through sleeve |
| 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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| JPS6319328A (en) * | 1986-07-11 | 1988-01-27 | Nisshin Kiso Kogyo Kk | Method and apparatus for constructing turning-penetrating type large-diameter steel tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN106638580A (en) * | 2016-11-11 | 2017-05-10 | 山东威建岩土科技有限公司 | Method for forming pile by forming hole through spiral soil squeezing and following up poured concrete through sleeve |
| 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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