CN1320250C - Drilling tool of the displacing type in soil and method - Google Patents
Drilling tool of the displacing type in soil and method Download PDFInfo
- Publication number
- CN1320250C CN1320250C CNB2004100851166A CN200410085116A CN1320250C CN 1320250 C CN1320250 C CN 1320250C CN B2004100851166 A CNB2004100851166 A CN B2004100851166A CN 200410085116 A CN200410085116 A CN 200410085116A CN 1320250 C CN1320250 C CN 1320250C
- Authority
- CN
- China
- Prior art keywords
- drilling rod
- soil
- thread
- drilling
- displacement head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 84
- 239000002689 soil Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000004567 concrete Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007596 consolidation process Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011210 fiber-reinforced concrete Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- E02D5/72—Pile shoes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/26—Drilling without earth removal, e.g. with self-propelled burrowing devices
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
- Drilling And Boring (AREA)
- Soil Working Implements (AREA)
Abstract
本发明涉及一种用于在土壤中进行置换式钻探的钻具和方法。在钻杆的下端可拆卸地固定了置换头，其可在放入到土壤中时排出周围的土壤物质。在达到预定的深度时使钻杆与置换头分离。钻杆的下端设计成置换部分，其相对于邻接的钻杆部分被加宽。作为该加宽的置换部分的结果，从上方掉落的土壤物质在抽出期间被压入到钻孔壁中。
The present invention relates to a drilling tool and method for displacement drilling in soil. A displacer head is detachably secured to the lower end of the drill rod, which displaces surrounding soil material when lowered into the soil. The drill pipe is separated from the displacement head when a predetermined depth is reached. The lower end of the drill rod is designed as a displacement section which is widened relative to the adjoining drill rod part. As a result of this widened displacement, soil material falling from above is pressed into the borehole wall during extraction.
Description
Technical field
One aspect of the present invention relates to a kind of drilling tool that is used for carrying out at soil displaced type probing (displacement drilling), and it includes drilling rod, has removably fixed displacement head (displace head) in the lower end of drilling rod.On the other hand, the present invention relates to a kind of method that is used for carrying out the displaced type probing at soil, the displacement head that wherein will removably be fixed in the drilling rod lower end places soil until the predetermined degree of depth, discharge soil material simultaneously, drilling rod is separated with displacement head and from soil, extract out.
Background technology
This method is also referred to as the displaced type probing that abandons the displacement head.Displacement head is stayed in the soil, and has constituted the concrete pile that will produce or the support substrate of anchor spike thereon.For this reason, after extracting drilling rod out, concrete or other packing material should be incorporated in the boring that is generated.
In this known method, there is a problem, promptly under specific edaphic condition, can't generates firm drill hole wall.In other words, before the boring that is generated was filled, soil material can drop downwards from drill hole wall.This soil material can cause producing defective in concrete pile to be generated or anchor spike, this can to generated the stake supporting capacity bring adverse influence.
Summary of the invention
The purpose of this invention is to provide a kind of drilling tool and method that is used for carrying out the displaced type probing, just can produce boring with very firm drill hole wall by this drilling tool and method at soil.
According to the present invention, this purpose can realize by drilling tool as described below and method.The preferred embodiments of the present invention have also been set forth hereinafter.
According to a first aspect of the invention, provide a kind of drilling tool that is used for carrying out at soil the displaced type probing, it comprises: drilling rod, removably fixed the displacement head in the lower end of drilling rod; Be formed at the replacing section on the drilling rod, its drilling rod with respect to adjacency partly is broadened, and wherein replacing section is designed to cylindrical so that make boring smooth, and has formed the drilling rod lower end that the displacement head removably is fixed thereon.
After breaking away from the displacement head, designing just can be once more to the smooth effect of drill hole wall when extracting drilling rod out in the replacing section of widening of drilling rod lower end.Particularly, the soil material that drops from the top is pressed into the drill hole wall by replacing section.As a result, can prevent that undesirable soil material from accumulating in the hollow space of boring to be filled on the one hand.On the other hand, soil material is pressed onto in the drill hole wall during the extraction of drilling rod extraly, and this has caused extra compacting and consolidation, and therefore makes drill hole wall firm.
In principle, replacing section can have multiple design, for example pure conical in shape or have the shape of bizet.Yet according to the present invention, replacing section preferably has cylindrical sector, and it especially is fused in the drilling rod part of adjacency step by step in the mode of convergent.With regard to production method, cylindrical sector can be realized in the very worthwhile mode of cost efficiency.In addition, can on the whole length of cylindrical sector, realize uniform replacement result.Except the pure conical in shape of the transition portion that leads to replacing section, the shape of different constant bendings can also be set, for example arch or fan-shaped.
In order to realize good replacement result, according to the present invention, the displacement head preferably has external screw-thread.Just the displacement head can be screwed in the soil by this structure, therefore can obtain good especially replacement result.The displacement head not only can be formed from steel, and can be made by plastics, fibre reinforced concrete or any other suitable material.
According to the present invention, if the replacing section on the drilling rod has the identical or smaller external diameter of external diameter with the external screw-thread of displacement head, this will be favourable so.The external diameter of replacing section is preferably than the little 10-20% of external diameter of external screw-thread.Even under this undersized situation, also can realize the good smooth and compacting of drill hole wall, wherein drill hole wall has uneven part because of the screw of displacement head.According to the present invention, corresponding basically by the external diameter that makes replacing section with the external diameter of the external screw-thread of displacement head, thereby realized very good consolidation effect.
According to the present invention, by with the drilling rod of replacing section adjacency part on be provided with drill rod thread, thereby further improved consolidation effect.By this drill rod thread, the material that drops from the top will optionally be sent to the replacing section by corresponding the rotatablely moving of drilling rod.
In addition, according to the present invention, drill rod thread is preferably reeled with the direction opposite with the external screw-thread of displacement head.Therefore, during drilling rod is being extracted out with run through process in during the rotation of opposite direction, can on replacing section, obtain required transmission effect.
In order in soil, to produce firm especially foundation pile, according to the present invention, can be on displacement head fixing reinforcement.These reinforcements can be cable wire or Metallic rod, and it has for example constituted the reinforcing section in the concrete pile.
In order in the boring that is generated, to fill,, can be designed to drilling rod tubular so that introduce packing material according to the present invention.Therefore, when extracting drilling rod out, just can insert packing material, thereby realize support drill hole wall by the hollow space of inside.
According to a second aspect of the invention, provide a kind of being used for to utilize drilling tool of the present invention to carry out the method for displaced type probing at soil, the displacement head that wherein will removably be fixed in the drilling rod lower end places the degree of depth of soil until expection, discharge soil material simultaneously, drilling rod is separated with displacement head and it is extracted out from soil, wherein on drilling rod, be formed with replacing section, its drilling rod with respect to adjacency partly is broadened, wherein during the extraction drilling rod, the cylindrical replacing section that has formed the drilling rod lower end makes drill hole wall smooth.As the result of this method, can obtain having the above-mentioned advantage of the boring of firm wall.
In order to generate boring, preferably on displacement head, external screw-thread is set, drilling rod can the process in being inserted into soil in rotation in a certain direction, and external screw-thread can be to the side and is transmitted soil material upward.Therefore, in the time of in being screwed into soil, the displacement head just can bring significant consolidation effect.
An advantageous embodiment of the present invention is, can the displacement head be separated with drilling rod by rotating along opposite direction and/or actuating separator.Under preceding kind of situation, can between displacement head and drilling rod, be provided with simply and be threaded.Yet also different linkages can be set, but bayonet coupling device or have mechanical type or the provision for disengagement of the locking piece that electric is regulated for example, and its permission will replace and be disassembled reliably from drilling rod.
According to the present invention, with the drilling rod of replacing section adjacency part on drill rod thread is set, drilling rod can rotate during extracting out in a certain direction, wherein the drill rod thread soil material that will drop from the top is sent to the replacing section, just can realize extra compacting.By doing like this, the soil material that drops from the top also can be pressed in the relative less clearance between replacing section and the drill hole wall.
In order to produce the foundation pile of reinforcement in soil, according to the present invention, the reinforcement on the displacement head is fixed in the guiding that can make progress equally during extracting out.
In addition, preferably when extracting drilling rod out, fill the boring that is generated with packing material.Like this, drill hole wall just is supported in reliable mode all the time by drilling tool or packing material self.
Description of drawings
To provide detailed description of the present invention by the preferred embodiment that schematically shows by accompanying drawing hereinafter.
Fig. 1 has shown the lateral view according to drilling tool 10 of the present invention.
The specific embodiment
Drilling tool 10 has the taper displacement 40 that is used for displaced type probing, is provided with external screw-thread 42 on the surface of displacement 40.In order to link to each other with drilling rod 20, be provided with pin shape follower 44 at the place, top of displacement 40, it is engaged in the corresponding cavity 34 that is located at drilling rod 20 lower ends.
Tubular drilling rod 20 has the replacing section of widening 30 at its lower end, and it is fused in the drilling rod part 22 of adjacency via conical sleeve 32, and this drilling rod part 22 has the external diameter of substantial constant.Be provided with drill rod thread 24 on the periphery of drilling rod part 22, the maximum outside diameter of this drill rod thread is roughly corresponding to the external diameter of the cylindrical replacing section of widening 30.Drill rod thread 24 extends in the cylindrical part of displacement 40, and ends at gradually in the section of conical sleeve 32.
In the embodiment shown, displacement 40 has cylindrical base 46 at an upper portion thereof, and its external diameter is corresponding to the external diameter of replacing section 30.Compare with described cylindrical base, the external screw-thread 42 of displacement 40 is outstanding, and it has produced disturbance region in drill hole wall in the process of displaced type probing.With displacement 40 after the predetermined ultimate depth place of boring breaks away from, drilling rod 20 is extracted out from boring lentamente, simultaneously along opposite direction rotation.Come the soil material that drops from the top in the self-drilling disturbance region to be sent to the replacing section 30 downwards via drill rod thread 24.Because the external diameter of replacing section 30, soil material just is pressed into and is pressed in the drill hole wall, especially is pressed in the disturbance region of drill hole wall.As a result, drill hole wall is flattened, and is compacted.Simultaneously, can prevent that soil material from accumulating in the displacement that abandons 40, and prevent from concrete pile to be generated, to produce defective.
Claims (14)
1. one kind is used for carrying out the drilling tool that displaced type is drilled at soil, and it comprises: drilling rod (20), fixed displacement head (40) in the lower end of described drilling rod in the mode that can take apart; Be formed at the replacing section (30) on the described drilling rod (20), its drilling rod part (22) with respect to adjacency is broadened, it is characterized in that, described replacing section (30) is designed to cylindrical so that make boring smooth, and has formed the lower end of the described drilling rod (20) that described displacement head (40) is fixed thereon in the mode that can take apart.
2. drilling tool according to claim 1 is characterized in that, described replacing section is fused in the drilling rod part (22) of adjacency step by step in the mode of convergent.
3. drilling tool according to claim 1 and 2 is characterized in that, described displacement head (40) has external screw-thread (42).
4. drilling tool according to claim 3 is characterized in that, the replacing section (30) on the described drilling rod (20) has and the described identical or smaller external diameter of external diameter of replacing the external screw-thread (42) of head (40).
5. drilling tool according to claim 1 and 2 is characterized in that, is provided with drill rod thread (24) with the drilling rod of described replacing section (30) adjacency part (22).
6. drilling tool according to claim 5 is characterized in that, described drill rod thread (24) is reeled with the direction opposite with the external screw-thread (42) of described displacement head (40).
7. drilling tool according to claim 1 and 2 is characterized in that, has fixed reinforcement on described displacement head (40).
8. drilling tool according to claim 1 and 2 is characterized in that, described drilling rod (20) is designed to tubular so that introduce packing material.
9. one kind is used for utilizing drilling tool according to claim 1 (10) to carry out the method for displaced type probing at soil, the displacement head (40) that wherein will be fixed in drilling rod (20) lower end in the mode that can take apart places the degree of depth of soil until expection, discharge soil material simultaneously, described drilling rod (20) is separated with described displacement head (40) and it is extracted out from soil, wherein on described drilling rod (20), be formed with replacing section (30), its drilling rod part (22) with respect to adjacency is broadened, it is characterized in that, during the described drilling rod of extraction (20), the cylindrical replacing section (30) that has formed the lower end of described drilling rod (20) makes drill hole wall smooth.
10. method according to claim 9, it is characterized in that, on described displacement head (40), be provided with external screw-thread (42), rotation in a certain direction in the process of described drilling rod (20) in being inserted into soil, wherein said external screw-thread (42) is to the side and transmit soil material upward.
11. method according to claim 10 is characterized in that, by rotating along opposite direction and/or actuating separator described displacement head (40) is separated with described drilling rod (20).
12. according to each described method in the claim 9 to 11, it is characterized in that, be provided with drill rod thread (24) with the drilling rod part (22) of described replacing section (30) adjacency, described drilling rod (20) is rotation in a certain direction during extracting out, and wherein said drill rod thread (24) will be sent to from the soil material that drops in the top the described replacing section (30).
13., it is characterized in that the reinforcement on the described displacement head (40) is fixed in same upwards guiding during extracting out according to each described method in the claim 9 to 11.
14. according to each described method in the claim 9 to 11, it is characterized in that, during the extraction of drilling rod (20), fill the boring that is generated with packing material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10344353.3 | 2003-09-24 | ||
| DE10344353A DE10344353B4 (en) | 2003-09-24 | 2003-09-24 | Drilling device and method for positive displacement drilling in the ground |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1601044A CN1601044A (en) | 2005-03-30 |
| CN1320250C true CN1320250C (en) | 2007-06-06 |
Family
ID=34177927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100851166A Expired - Fee Related CN1320250C (en) | 2003-09-24 | 2004-09-24 | Drilling tool of the displacing type in soil and method |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1519000B1 (en) |
| JP (1) | JP4395037B2 (en) |
| CN (1) | CN1320250C (en) |
| AT (1) | ATE327406T1 (en) |
| DE (2) | DE10344353B4 (en) |
| RU (1) | RU2292437C2 (en) |
| UA (1) | UA75807C2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9243452B2 (en) * | 2011-04-22 | 2016-01-26 | Baker Hughes Incorporated | Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods |
| JP5859079B2 (en) * | 2014-09-03 | 2016-02-10 | 有限会社清和実業 | Auger screw |
| US9512588B2 (en) | 2014-10-17 | 2016-12-06 | Berkel & Company Contractors, Inc. | Reversible displacement auger tool |
| US9506295B1 (en) | 2014-10-17 | 2016-11-29 | Berkel & Company Contractors, Inc. | Reversible displacement auger tool |
| CN104878746A (en) * | 2015-06-14 | 2015-09-02 | 孔超 | Bidirectional extruding short spiral pile-forming device and pile-forming method |
| HUE049572T2 (en) | 2017-10-06 | 2020-10-28 | Bauer Maschinen Gmbh | Method for creating a pile in the ground and ground processing device for same |
| CN110685589B (en) * | 2019-09-19 | 2020-11-24 | 温州博辉新材料科技有限公司 | Inner wall expands puncher for municipal works of tamping |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4220976C1 (en) * | 1992-06-26 | 1993-07-15 | Delmag Maschinenfabrik Reinhold Dornfeld Gmbh & Co, 7300 Esslingen, De | |
| US5833399A (en) * | 1994-01-06 | 1998-11-10 | Global Innovations, Llc | Apparatus for use in forming piles |
| US6033152A (en) * | 1997-04-11 | 2000-03-07 | Berkel & Company Contractors, Inc. | Pile forming apparatus |
| FR2826050A1 (en) * | 2001-06-19 | 2002-12-20 | Cie Du Sol | Drilling tool comprises web, ending in point, with standard part and widened part, near point, with first and second truncated portions |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1390339A1 (en) * | 1985-03-15 | 1988-04-23 | Safonov Ivan G | Well-drilling device |
| BE903965A (en) * | 1985-12-31 | 1986-04-16 | Coelus Gaspar Jozef | DEVICE AND METHOD FOR CARRYING DRILLING PILES. |
| DE4107834A1 (en) * | 1991-03-12 | 1992-09-17 | Delmag Maschinenfabrik | Hollow displacement auger - has drive shaft extending longitudinally through its centre, with pointed tip, and has anti-buckling discs fitted at intervals along drive shaft, requiring minimum torque for control |
| RU2000389C1 (en) * | 1991-08-13 | 1993-09-07 | Бобылев Л.М., Бобылев А.Л. | Method and device for trench formation |
| BE1010638A3 (en) * | 1996-09-20 | 1998-11-03 | Poorteman Frank | Drill for making a pile in the ground and method of making the drill applying. |
-
2003
- 2003-09-24 DE DE10344353A patent/DE10344353B4/en not_active Expired - Fee Related
-
2004
- 2004-08-30 AT AT04020562T patent/ATE327406T1/en not_active IP Right Cessation
- 2004-08-30 EP EP04020562A patent/EP1519000B1/en not_active Expired - Lifetime
- 2004-08-30 DE DE502004000614T patent/DE502004000614D1/en not_active Expired - Lifetime
- 2004-09-07 UA UA20040907328A patent/UA75807C2/en unknown
- 2004-09-20 RU RU2004127846/03A patent/RU2292437C2/en not_active IP Right Cessation
- 2004-09-22 JP JP2004274512A patent/JP4395037B2/en not_active Expired - Fee Related
- 2004-09-24 CN CNB2004100851166A patent/CN1320250C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4220976C1 (en) * | 1992-06-26 | 1993-07-15 | Delmag Maschinenfabrik Reinhold Dornfeld Gmbh & Co, 7300 Esslingen, De | |
| US5833399A (en) * | 1994-01-06 | 1998-11-10 | Global Innovations, Llc | Apparatus for use in forming piles |
| US6033152A (en) * | 1997-04-11 | 2000-03-07 | Berkel & Company Contractors, Inc. | Pile forming apparatus |
| FR2826050A1 (en) * | 2001-06-19 | 2002-12-20 | Cie Du Sol | Drilling tool comprises web, ending in point, with standard part and widened part, near point, with first and second truncated portions |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE327406T1 (en) | 2006-06-15 |
| DE10344353B4 (en) | 2005-10-06 |
| UA75807C2 (en) | 2006-05-15 |
| JP2005098096A (en) | 2005-04-14 |
| DE502004000614D1 (en) | 2006-06-29 |
| JP4395037B2 (en) | 2010-01-06 |
| DE10344353A1 (en) | 2005-05-19 |
| EP1519000B1 (en) | 2006-05-24 |
| RU2004127846A (en) | 2006-02-20 |
| CN1601044A (en) | 2005-03-30 |
| EP1519000A1 (en) | 2005-03-30 |
| RU2292437C2 (en) | 2007-01-27 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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