CN103089146A - Engineering driller capable of conducting superfluid concrete grouting pile driving construction on hard rock strata - Google Patents
Engineering driller capable of conducting superfluid concrete grouting pile driving construction on hard rock strata Download PDFInfo
- Publication number
- CN103089146A CN103089146A CN2013100242434A CN201310024243A CN103089146A CN 103089146 A CN103089146 A CN 103089146A CN 2013100242434 A CN2013100242434 A CN 2013100242434A CN 201310024243 A CN201310024243 A CN 201310024243A CN 103089146 A CN103089146 A CN 103089146A
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- China
- Prior art keywords
- hole hammer
- rotary joint
- long screw
- drill rod
- pressure rotary
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/003—Drilling with mechanical conveying means
- E21B7/005—Drilling with mechanical conveying means with helical conveying means
Abstract
The invention discloses an engineering drill capable of conducting superfluid concrete grouting pile driving construction on hard rock strata. The engineering drill capable of conducting superfluid concrete grouting pile driving construction on hard rock strata comprises a driller car body and accessory equipment of the driller car body, a driller pole, a power head of a drill stem, a high pressure swivel joint, a long auger stem and a down-the-hole hammer. Two independent pipe cavities are formed by the high pressure swivel joint, the long auger stem and the down-the-hole hammer from top to bottom and the two pipe cavities can be used for delivering high-pressure blast and superfluid concrete simultaneously. A driller head of a drilling tool is the down-the-hole hammer and the down-the-hole hammer can be drilled into hard rock. One pipe cavity of the drilling tool is capable of delivering the high-pressure blast for providing a power source for the down-the-hole hammer to conduct drilling and blowing out scraps produced by the down-the-hole hammer, and the scraps are discharged by helical blades. When the down-the-hole hammer drills to designed elevation, the spuerfluid concrete can be grouted to a drilling hole formed under the pile down-the-hole hammer through the other pipe cavity of the drilling tool.
Description
Technical field
The invention belongs to engineering machinery field, specifically a kind ofly can make the engineering driller that Superfluid state concrete press to be filled with pile driving construction at competent bed.
Background technology
Cast-in-place concrete pile is to use at present pile foundation type more widely, and its single pile bearing is large, and pile body stiffness is strong, and multiplex in above the building and support system on the middle and senior level, its pile mode has a variety of.Superfluid state concrete is pressed and is filled with pile driving construction, it is a kind of mode of Concrete Grouting Pale, adopt special long-spiral drilling machine to carry out, the drilling tool of this rig is comprised of high-pressure rotary joint, long screw drill rod, drill bit, the inside of high-pressure rotary joint, long screw drill rod, drill bit form one from top to bottom complete cavity as the Superfluid state concrete passage, unit head drives long screw drill rod and drill bit bore stops to projected depth, then carry and bore and press by hollow drill and fill with Superfluid state concrete, be pressed into again reinforcing cage in Superfluid state concrete, a pile.The advantages such as it is fast that it has speed of application, and cost is low, pollution-free.The shortcoming of this rig is: drill bit only depends on rotary cutting to creep into, and can not pierce hard rock stratum.Therefore can not effectively utilize the bearing capacity of pile tip of competent bed, be unsuitable in competent bed and the more back fill course construction of boulder.
Summary of the invention
The purpose of this invention is to provide a kind of can construct in competent bed and the more soil layer of boulder a kind of can do Superfluid state concrete at competent bed and press the engineering driller of filling with pile driving construction.
The object of the present invention is achieved like this: comprise rig car body and ancillary service thereof, rig tower bar, drilling rod unit head, high-pressure rotary joint, long screw drill rod, the drilling rod unit head is placed on rig tower bar, and high-pressure rotary joint is placed on the drilling rod unit head, and long screw drill rod top is connected with high-pressure rotary joint, it is characterized in that: be connected with down-hole hammer in the long screw drill rod bottom, by high-pressure rotary joint, long screw drill rod, down-hole hammer form a cover drilling tool; The main body of described high-pressure rotary joint is made of inside and outside two circular tube walls, and inside and outside two circular tube walls form two inside and outside cavitys; Described long screw drill rod is made of inner and outer tubes and helical blade; Described down-hole hammer hammer body edge is provided with tube chamber and leads to the hammer body bottom by the hammer body top, and there are inside and outside two circular tube wall straight couplings on the down-hole hammer top, and the inner and outer tubes with top long screw drill rod are connected and fixed respectively; The inner and outer tubes top of long screw drill rod is connected with inside and outside two circular tube walls of high-pressure rotary joint respectively; Be connected with respectively ventilation nozzle and the mixed earth of superfluidity injects and takes on two inside and outside cavity tops of high-pressure rotary joint; Described high-pressure rotary joint, long screw drill rod and down-hole hammer form two independently tube chambers from top to bottom.The drilling rod unit head drives long screw drill rod and presses down and rotate, high-pressure blast passes through the interior tube chamber air feed of drilling tool to down-hole hammer, down-hole hammer vibrations downwards creeps into, and following soil and rock are hit into chip and chip is blown out to helical blade place, down-hole hammer top, and chip is discharged in the helical blade rotation.In described engineering driller, down-the-hole hammer drill stops to design elevation, and the drilling rod unit head drives on long screw drill rod and carries, and Superfluid state concrete is pressed in the hole by another tube chamber of drilling tool.In described engineering driller, down-hole hammer adopts the down-hole hammer design of the waterproof technique that market had, to prevent stopping air feed, to enter impurity when being pressed into Superfluid state concrete in down-hole hammer.In described engineering driller, valve is arranged at the tube chamber at down-hole hammer hammer body edge bottom, and it is closed when the down-hole hammer forward rotation is crept into, when down-hole hammer stops creeping into, opening when being pressed into Superfluid state concrete.
The present invention compares existing Superfluid state concrete and presses the advantage of filling with the pile construction rig to be: form two independently tube chambers by high-pressure rotary joint, long screw drill rod, down-hole hammer, simultaneously conveying high-pressure wind and Superfluid state concrete; Drill bit in drilling tool is down-hole hammer, and down-hole hammer can pierce solid rock, and a tube chamber in drilling tool can conveying high-pressure wind, supply with down-hole hammer does power source and creep into, and the chip that down-hole hammer is formed blows out, discharged by helical blade; Down-the-hole hammer drill is to design elevation, and Superfluid state concrete can be pressed in the boring that be poured into below a down-hole hammer by another tube chamber in drilling tool.
Below in conjunction with accompanying drawing, the present invention is described further.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is that high-pressure rotary joint and high-pressure rotary connect the structural representation with the long screw drill rod connecting portion;
Fig. 3 is the structural representation of down-hole hammer and down-hole hammer and long screw drill rod connecting portion;
Fig. 4 is work progress schematic diagram of the present invention.
The specific embodiment
This engineering driller comprises rig car body and ancillary service 1 thereof, rig tower bar 2, drilling rod unit head 3, high-pressure rotary joint 4, long screw drill rod 5 and helical blade 13, down-hole hammer 6.High-pressure rotary joint 4, long screw drill rod 5 and helical blade 13, the common cover drilling tool that forms of down-hole hammer 6.Described drilling rod unit head 3 can move up and down along rig tower bar 2, and the main body of described high-pressure rotary joint 4 is fixed on drilling rod unit head 3.The main body of described high-pressure rotary joint 4 has circular tube shaped inner tubal wall 8, circular tube shaped outer tube wall 7.Circular tube shaped inner tubal wall 22 and circular tube shaped outer tube wall 21 are arranged respectively below inner tubal wall 8 and outer tube wall 7, and they can relatively high pressure swivel coupling main body horizontally rotate and be used for being connected and fixed with the top of long screw drill rod 5.The inside and outside tube wall of high-pressure rotary joint 4 forms two cavitys, and two cavity tops have respectively ventilation nozzle 10 and the mixed earth of superfluidity to inject to take over 9.Described long screw drill rod 5 is comprised of circular inner tube 12 and circular outer pipe 11 and helical blade 13, the inner tube 12 of long screw drill rod 5 and outer tube 11 be connected and fixed with circular tube shaped inwall 22, the circular tube shaped outer wall wall 21 of high-pressure rotary joint bottom respectively and can with the main body relative rotation in the horizontal direction of high-pressure rotary joint 4.The bottom of long screw drill rod 5 connects down-hole hammer 6, the hammer body edge of described down-hole hammer 6 is provided with tube chamber 18 and leads to the hammer body lower end by the hammer body upper end, there are two circular tube shaped spigots 17, circular tube shaped socket 16 in the down-hole hammer upper end, and the above is connected and fixed with inner tube 12 and the outer tube 11 of long screw drill rod 5 respectively.The spigot 17 of down-hole hammer upper end and socket 16 forms two cavitys and is communicated with respectively the air intake 19 of down-hole hammer and the tube chamber 18 at hammer body edge.The cavity of the high-pressure rotary joint 4 in described engineering driller, long screw drill rod 5 and down-hole hammer 6 from top to bottom is connected and connects and forms two independently cavitys.In described engineering driller, drilling rod unit head 3 drives drilling rod 5 to pressing down and rotating, high-pressure blast gives down-hole hammer 6 as power by tube chamber air feed in drilling tool to the air intake 19 of down-hole hammer 6, down-hole hammer 6 vibrations downwards creeps into, following soil and rock are hit into chip and chip is blown out to the lower end of the top helical blade 13 of down-hole hammer 6, chip is discharged in helical blade 13 rotations.
In described engineering driller, down-hole hammer 6 stops after being drilled into design elevation, and drilling rod unit head 3 drives drilling rods 5 and drives on down-hole hammers 6 and carries, and Superfluid state concrete is pressed in hole below down-hole hammer 6 by another tube chamber of drilling tool.In described engineering driller, the waterproofing design that down-hole hammer 6 adopts market to have prevents from stopping for high-pressure blast, enters impurity in down-hole hammer 6 when being pressed into Superfluid state concrete.
In described engineering driller, valve 20 is arranged at tube chamber 18 bottoms at down-hole hammer 6 hammer body edges, and it is closed when down-hole hammer 6 forward rotation, and down-hole hammer 6 stops vibrations and creeps into, opens when being pressed into Superfluid state concrete.
The work progress (see figure 4) is that the A rig creeps into; At the bottom of the B rig gets into the hole; Carry guncreting in the hole on the C drilling rod; D is for to put reinforcing cage in the hole; E is the engineering pile of completion.
Above-described embodiment is preferred embodiment of the present invention, is not to limit successively protection scope of the present invention, therefore: all equivalences of doing according to structure of the present invention, shape, principle change, within all should being covered by protection of the present invention.
Claims (2)
1. can make the engineering driller that Superfluid state concrete is pressed the filling pile driving construction at competent bed for one kind, comprise rig car body and ancillary service thereof, rig tower bar, the drilling rod unit head, high-pressure rotary joint, long screw drill rod, drilling rod unit head are placed on rig tower bar, high-pressure rotary joint is placed on the drilling rod unit head, long screw drill rod top is connected with high-pressure rotary joint, it is characterized in that: be connected with down-hole hammer in the long screw drill rod bottom, by high-pressure rotary joint, long screw drill rod, down-hole hammer form a cover drilling tool; The main body of described high-pressure rotary joint is made of inside and outside two circular tube walls, and inside and outside two circular tube walls form two inside and outside cavitys; Described long screw drill rod is made of inner and outer tubes and helical blade; Described down-hole hammer hammer body edge is provided with tube chamber and leads to the hammer body bottom by the hammer body top, and there are inside and outside two circular tube wall straight couplings on the down-hole hammer top, and the inner and outer tubes with top long screw drill rod are connected and fixed respectively; The inner and outer tubes top of long screw drill rod is connected with inside and outside two circular tube walls of high-pressure rotary joint respectively; Be connected with respectively ventilation nozzle and the mixed earth of superfluidity injects and takes on two inside and outside cavity tops of high-pressure rotary joint; Described high-pressure rotary joint, long screw drill rod and down-hole hammer form two independently tube chambers from top to bottom.
2. as claimed in claim 1ly a kind ofly can make the engineering driller that Superfluid state concrete press to be filled with pile driving construction at competent bed, it is characterized in that: the tube chamber bottom at described down-hole hammer hammer body edge is provided with valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100242434A CN103089146A (en) | 2013-01-23 | 2013-01-23 | Engineering driller capable of conducting superfluid concrete grouting pile driving construction on hard rock strata |
| PCT/CN2013/083263 WO2014114090A1 (en) | 2013-01-23 | 2013-09-11 | Engineering drilling rig capable of super-fluid concrete pressure-grouted pile construction in competent bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100242434A CN103089146A (en) | 2013-01-23 | 2013-01-23 | Engineering driller capable of conducting superfluid concrete grouting pile driving construction on hard rock strata |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103089146A true CN103089146A (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100242434A Pending CN103089146A (en) | 2013-01-23 | 2013-01-23 | Engineering driller capable of conducting superfluid concrete grouting pile driving construction on hard rock strata |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103089146A (en) |
| WO (1) | WO2014114090A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244051A (en) * | 2013-05-11 | 2013-08-14 | 重庆卓典建设工程有限公司 | Combined down-hole hammer drilling tool and pile forming construction method thereof |
| CN103266598A (en) * | 2013-06-06 | 2013-08-28 | 赵守众 | Equipment for one-time pile forming into rock of screw pile driver and pile forming method |
| WO2014114090A1 (en) * | 2013-01-23 | 2014-07-31 | Yan Huikui | Engineering drilling rig capable of super-fluid concrete pressure-grouted pile construction in competent bed |
| CN104533284A (en) * | 2014-04-22 | 2015-04-22 | 威海市水利岩土工程有限公司 | Long screw pile machine |
| CN106351214A (en) * | 2016-08-29 | 2017-01-25 | 中冶沈勘工程技术有限公司 | Construction method of long spiral variable diameter concrete pile |
| CN112282658A (en) * | 2020-11-26 | 2021-01-29 | 西南石油大学 | Continuous drilling and circulating pouring integrated piling tool |
| CN112983258A (en) * | 2021-01-28 | 2021-06-18 | 中铁上海工程局集团有限公司 | Down-the-hole hammer rapid hole forming construction method for unconsolidated rock stratum geology |
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| US6761231B1 (en) * | 2002-05-06 | 2004-07-13 | The Charles Machines Works, Inc. | Rotary driven drilling hammer |
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| CN103089146A (en) * | 2013-01-23 | 2013-05-08 | 阎慧奎 | Engineering driller capable of conducting superfluid concrete grouting pile driving construction on hard rock strata |
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2013
- 2013-01-23 CN CN2013100242434A patent/CN103089146A/en active Pending
- 2013-09-11 WO PCT/CN2013/083263 patent/WO2014114090A1/en active Application Filing
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014114090A1 (en) * | 2013-01-23 | 2014-07-31 | Yan Huikui | Engineering drilling rig capable of super-fluid concrete pressure-grouted pile construction in competent bed |
| CN103244051A (en) * | 2013-05-11 | 2013-08-14 | 重庆卓典建设工程有限公司 | Combined down-hole hammer drilling tool and pile forming construction method thereof |
| CN103244051B (en) * | 2013-05-11 | 2016-04-13 | 彭桂皎 | A kind of combined down-hole hammer drilling tool and pile forming method thereof |
| CN103266598A (en) * | 2013-06-06 | 2013-08-28 | 赵守众 | Equipment for one-time pile forming into rock of screw pile driver and pile forming method |
| CN103266598B (en) * | 2013-06-06 | 2014-11-26 | 赵守众 | Equipment for one-time pile forming into rock of screw pile driver and pile forming method |
| CN104533284A (en) * | 2014-04-22 | 2015-04-22 | 威海市水利岩土工程有限公司 | Long screw pile machine |
| CN104533284B (en) * | 2014-04-22 | 2017-12-22 | 威海市水利岩土工程有限公司 | A kind of long spire stake machine |
| CN106351214A (en) * | 2016-08-29 | 2017-01-25 | 中冶沈勘工程技术有限公司 | Construction method of long spiral variable diameter concrete pile |
| CN112282658A (en) * | 2020-11-26 | 2021-01-29 | 西南石油大学 | Continuous drilling and circulating pouring integrated piling tool |
| CN112282658B (en) * | 2020-11-26 | 2022-02-18 | 西南石油大学 | Continuous drilling and circulating pouring integrated piling tool |
| CN112983258A (en) * | 2021-01-28 | 2021-06-18 | 中铁上海工程局集团有限公司 | Down-the-hole hammer rapid hole forming construction method for unconsolidated rock stratum geology |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014114090A1 (en) | 2014-07-31 |
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Application publication date: 20130508 |