CN104653110B - For the auger of soil drilling - Google Patents
For the auger of soil drilling Download PDFInfo
- Publication number
- CN104653110B CN104653110B CN201410670151.8A CN201410670151A CN104653110B CN 104653110 B CN104653110 B CN 104653110B CN 201410670151 A CN201410670151 A CN 201410670151A CN 104653110 B CN104653110 B CN 104653110B
- Authority
- CN
- China
- Prior art keywords
- drill body
- auger
- spire
- body spire
- lead surface
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 239000002689 soil Substances 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000000605 extraction Methods 0.000 claims abstract description 20
- 238000000576 coating method Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000010422 painting Methods 0.000 claims description 6
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 239000012791 sliding layer Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000000515 tooth Anatomy 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Classifications
-
- 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
- E21B7/003—Drilling with mechanical conveying means
- E21B7/005—Drilling with mechanical conveying means with helical conveying means
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
Auger the present invention relates to be used for soil drilling, intermediate bar with tubulose and coaxial with vertical axis and at least one drill body spire comprising sheet material, wherein, drill body spire helically extends around intermediate bar and fixation is especially welded at intermediate bar.It is arranged according to the present invention into, in order to radially draw the earth material for getting out at drill body spire, be provided with lead surface, it has relative to vertical axis in vertical cross-section and is different from 90 ° of extraction angle.
Description
Technical field
The present invention relates to the auger for soil drilling of preamble according to claim 1
(Bohrschnecke), carry：Tubulose and coaxial with vertical axis intermediate bar and at least one drill body spiral shell comprising sheet material
Rotation portion (Bohrwendel), wherein, drill body spire helically extends around intermediate bar, and fixation is especially welded on intermediate bar
Place.
Background technology
Such auger is used for special underground engineering especially together with drilling equipment, such as to complete the puncture of ground.
Auger is got into soil by means of drilling equipment one or many, until reaching desired depth.In the bottom of auger
Place is disposed with excavating gear (Abtragseinrichtung), and the soil of waiting treatment is completed and broken into pieces by it.Excavate
The rotational motion that earth material passes through driven auger is delivered up and is stored on drill body spire by drill body spire.In order to
Support the wall of a borehole can be set to, and the earth material for fully excavating remains on drill body spire or be disposed with support tube.
After auger is pulled out from drilling, the convolution portion (Windung) of drill body spire is also filled up by earth material.In pine
In the case of scattered earth material, convolution portion can simply be emptied by the rotation of intermittence.For sticking soil (such as clay
Property soil), it is so hardly possible that earth material is removed from auger.
Such auger as known to the C2 of document DE 34 46 900.In order to empty drill body spire, helical member is clear
Clean body it is swingable in spire for peelling off earth material.
Become known for the auger of soil drilling by the U1 of document DE 84 37 600.7, set at drilling equipment wherein
The earth scraping device (R umvorrichtung) with the sleeve-shaped for scraping mamoty (R umschild) is equipped with, scrapes that mamoty is swingable to be arrived
For removal earth material in gap between drill body convolution portion (Bohrwindung).Although between auger convolution portion
Helical duct in mechanically peel off earth material operation it is very reliable.However, this is associated with some time loss, because must lead to
Cross all of helical duct.During the time of the cleaning in helical member convolution portion, drilling equipment is not useable for performing further
Drilling.
Become known for another cleaning device of auger by the A1 of document EP 1 367 215, wherein, mechanically peel off soil
Material.In the apparatus, corresponding cleaning time equally is needed for cleaning process, until cleaning device has passed through all of spiral shell
Rotating part convolution portion.
The content of the invention
It is an object of the invention to provide the auger drilled for soil, it makes it possible to realize simply emptying in spiral shell
Gap between rotating part convolution portion.
The purpose is realized by the auger with the feature described in claim 1.Illustrate in the dependent claims
It is of the invention preferred embodiment.Auger of the invention is characterised by, in order to radially draw the soil for getting out
Material, is provided with lead surface (Ableitfl che) at drill body spire, and it has in vertical cross-section relative to vertical axis
Different from 90 ° of extraction angle (Ableitwinkel).
Basic thought of the invention is that drill body spire is radially obliquely installed, so as in helical member spiral
Earth material in portion can be slided easily under gravity after being left from drilling.In the axis relative to auger or perpendicular
When being less than 90 ° to the obliquity of axis or the sharp angle of the deviation angle, during particular with angle between 30 ° and 80 °, especially
During its angle between 45 ° and 75 °, if auger is intermittently changed with common rotation direction rotated, then preferably
Realize emptying drill body spire easily in ground.Vertical cross-section has along the section of axis or vertical axis.
Even if it has been found that it is determined that sticking soil in the case of realize drill body spire using such lead surface
Sufficient emptying, substantially reduce without the cleaning device for adding or at least it and use.Auger can be especially configured to institute
The spiral bit of meaning, it carries the typical length until 3m.But auger can also be longer or shorter and first with others work
Part is combined.
Of the invention one be preferred embodiment be limited to drill body spire axially adjacent two convolution portion it
Between gap radially expanded from vertical axis.Therefore, also claim into helical duct gap wedge-like or taper to extending out
.Expansion radially causes earth material to be slided from the particularly preferred of drill body spire.
In principle it is possible that the drill body spire comprising sheet material is pacified relative to vertical axis with the predetermined deviation angle
Dress (preferred weld) is at the intermediate bar of tubulose.Particularly suitable design in terms of machining angle of the invention is, in order to
Lead surface is formed, extraction elements are applied on the drill body spire with rectangular section trend.By this way can also be right
Traditional, existing drill body spire is reequiped.Spiral helicine extraction elements can have smaller than drill body spire herein
Material or sheet metal thickness.But extraction elements can be also firm plastic insert, and it is applied in the cross-direction on specific section
It is added in the existing drill body convolution portion with horizontal alignment.
In terms of process technology preferably, extraction elements are formed by sheet material.Steel plate is especially welded to the drill body of metal
On the intermediate bar of spire and metal.
Another preferred design of the invention is that lead surface is arranged in upside, downside or the upside of drill body spire
On downside.A kind of simple arrangement can especially, and lead surface is positioned only on the upside of drill body spire.Therefore,
Bearing-surface of the earth material on drill body spire is radially tilting that is to say.But will only can also incline in determined circumstances
Position is arranged at the downside of drill body spire or is preferably provided at the upper side and lower side of drill body spire.
It is arranged according to the present invention into lead surface extends along whole drill body spire in principle.The usual edge of drill body spire
The intermediate bar of whole tubulose to arrange and (excavating gear can be disposed with this place and centering is top from the downside of auger
(Zentrierspitze)) extend to upper end and (be provided with the attachment means for keeping or driving helical member or holding in this place
Device).Spent to reduce manufacture, it is preferred that lead surface is arranged only at the part radially and/or axially of drill body spire
In region.Lead surface can be especially arranged only in the region of the inner radial of drill body spire.
It is of the invention another to be preferred embodiment that lead surface is linear in cross section or arc ground is constructed.From processing
From the point of view of the angle aspect of technology, linear structural scheme is favourable, because it can be made up of the sheet material helically bending.Borrow
The lead surface for designing with helping arc or curve-like can further support that earth material is slided or slid from drill body spire.
In principle, drill body spire largely can be constructed as one man along auger.It is different according to the present invention
Slide characteristic and can be achieved in, i.e. draw angle and change in the axial direction trend of drill body spire.Therefore, angle is drawn for example may be used
It is steeper or more flat than in the region of bottom in the region on the top of drill body spire.
Flexible program according to the embodiment of the present invention, another improvement project for emptying drill body spire is achieved in, and bores
Body spire is provided with the lead surface with sliding coating.Sliding coating can for teflon coatings (Teflonbeschichtung) or
Other similar coatings, for example, ceramic coating.Therefore, though can also be reduced in the case of sticking soil earth material with
Static friction (Haftreibung) between drill body spire, this realizes easier landing.Sliding coating can also be arranged in principle
At intermediate bar.
In addition to lasting sliding coating, temporary transient sliding coating, such as including fluid film, such as oil film can be set.
Sliding coating may include biodegradable lubricating oil, and it is particularly based on plant base.There is such implementation of the invention for this
Mode, is provided with painting device wherein, can apply sliding coating using it and be attached on drill body spire.Painting device can be especially
It is injection apparatus or spray nozzle device, it is arranged in different positions along drill body spire.
It is that painting device has at least one jet hole, and it is connected with transfer pipeline according to specifically preferred according to the invention.
Especially multiple jet holes can be arranged in such position set by drill body spire, it is for example by tubulose
Between bar inner space in common transfer pipeline be connected to each other.
Additionally, the drilling equipment the present invention relates to be used for soil drilling, it carries essentially vertical bar (Mast), spiral
Bore along the bar movably and pivotable drive arrange.Such as the document DE 34 46 900.7 for for example being referred to by beginning
As C2 is known, such drilling equipment of the invention is characterised by, is provided with such basis as previously described
Auger of the invention.Can be carried out efficiently using such drilling equipment (wherein, bar is preferably placed at caterpillar)
Soil drills, even if because drill body spire can also be easier and therefore quickly empty in the case of sticking soil.
Brief description of the drawings
Below the present invention is further illustrated by the preferred embodiment being schematically depicted in the drawings.Wherein：
Fig. 1 shows the side view of auger of the invention, and
Fig. 2 shows the side view of another auger similar to Fig. 1 with the vertical cross-section of part.
Specific embodiment
Enter one by two embodiments of the auger of the invention 10 for schematically showing in fig 1 and 2 below
The step explanation present invention.Due to two largely identical constructions of auger 10, directly illustrated with reference to two accompanying drawings.
Auger of the invention 10 has the intermediate bar 14 of tubulose, and it is arranged to coaxial with vertical axis 12.Wording
It is " vertical " to be directed to the common arrangement in operation of auger 10, wherein, also occur with vertical line skew in determined circumstances
And offset the several years including screw assembly.It is disposed with the lower end of the intermediate bar 14 of tubulose as top guide portion of feeling relieved
(Pilot)16.Attachment means 28 are disposed with upper end, it is especially configured to be connected with kelvin bar (Kellystange).
It is extended with excavating gear 18 in radial directions at the lower end of intermediate bar 14, it is built by multiple tooths.
When auger 10 runs earth material is excavated and breaks into pieces by excavating gear 18.After the earth material excavated is transported to from excavating gear 18
In the region in face, it is transported on drill body spire 20, drill body spire 20 helically extends directly around the intermediate bar 18 of tubulose
To upper area.
In shown schematical implementation method, drill body spire 20 is built by three drill body convolution portions 24, its
Accordingly cover about wholecircle.As can be especially learnt from the partial section view of Fig. 2, drill body spire 20 has base
This spire 21, it has the trend or level at a right angle relative to vertical axis 12 in vertical cross-section in a conventional manner
Trend.By the first extraction elements 30a in basic spiral shell on the upside of basic spire 21 and by the second smaller extraction elements 30b
It is applied on the downside in rotation portion 21 on basic spire 21.Extraction elements 30a, 30b are equally helically constructed, but relatively
There is sharp extraction angle 38 in vertical axis 12.It is corresponding smaller angle to draw angle 38, and it passes through vertical axis 12 and draws
The lead surface 32 of element 30 is set in vertical cross-section.
As can be especially found out in the trend of the extraction elements 30b of bottom, extraction elements 30b is in drill body spire
Widen in 20 axial direction trend.Formed between single drill body spire 24 by extraction elements 30a, 30b for inclining setting
The gap 22 of approximate wedge shape, it radially expands.When auger 10 is extracted from drilling, between the expansion by wedge shape
The lead surface 32 of the inclination setting of the extraction elements 30a on gap 22 and top realizes the earth material excavated from drill body spire 20 more
Readily slide.This also allows to rotate auger by intermittently (i.e. Fast transforms ground) in the case of sticking soil
The 10 drill body spires 20 for emptying auger 10 well.
In order to improve emptying, sliding coating can be applied on the lead surface 32 of the extraction elements 30a at least top, passed through
Sliding coating reduction static friction.As in the case of the embodiment according to fig. 2, in order to apply sliding coating, painting device is additionally provided with,
Illustrate only the jet hole 42 at intermediate bar 14 in fig. 2 on it.Via unshowned in the inside of intermediate bar 14
Transfer pipeline can will slide fluid (such as vegetable oil) and be sprayed onto on drill body spire 20.Coating can be before drilling or evacuation procedure
And/or carried out during drilling or evacuation procedure.
By the way that more simply and therefore quickly emptying drill body spire 24 can be after boring procedure again by auger
10 are quickly used for another boring procedure.Thus the utilization of machine can be improved.In order to shake off earth material, speed that can also be lower turns
It is dynamic, thus can avoiding device damage.
Claims (13)
1. it is a kind of for soil drilling auger, intermediate bar (14) with tubulose and coaxial with vertical axis (12) and bag
At least one drill body spire (20) containing sheet material, wherein, the drill body spire (20) is helically around the intermediate bar
(14) extend and be fixed on the intermediate bar (14) place, it is characterised in that in order at drill body spire (20) place radially
The earth material that extraction gets out, is provided with lead surface (32), and it is in vertical cross-section relative to vertical axis (12) with different from 90 °
Extraction angle (38), be extended with excavating gear (18) in radial directions at the lower end of the intermediate bar (14), it is by multiple
Tooth is built, and the excavating gear (18) is configured to that earth material is excavated and broken into pieces when the auger (10) runs,
Wherein, the earth material excavated can be transported in the region behind on the drill body spire.
2. auger according to claim 1, it is characterised in that the drill body spire (20) is welded on the intermediate bar
(14) place.
3. auger according to claim 1, it is characterised in that be limited to the phase vertically of the drill body spire (20)
Radially expanded from vertical axis (12) in gap (22) between two adjacent convolution portions (24).
4. auger according to any one of claim 1 to 3, it is characterised in that in order to form the lead surface (32),
Extraction elements (30) are applied on the drill body spire (20) with rectangular section trend.
5. auger according to claim 4, it is characterised in that the extraction elements (30) are formed by sheet material.
6. auger according to any one of claim 1 to 3, it is characterised in that the lead surface (32) is arranged in institute
State on upside, downside or the upper side and lower side of drill body spire.
7. auger according to any one of claim 1 to 3, it is characterised in that the lead surface (32) is arranged only at
In the subregion radially and/or axially of the drill body spire (20).
8. auger according to any one of claim 1 to 3, it is characterised in that the lead surface (32) is in cross section
Linear or arc ground is constructed.
9. auger according to any one of claim 1 to 3, it is characterised in that the extraction angle (38) is in the brill
Change in the axial direction trend of body spire (20).
10. auger according to any one of claim 1 to 3, it is characterised in that the drill body spire (20) is provided with
The lead surface (32) with sliding coating.
11. augers according to claim 10, it is characterised in that be provided with painting device, can be applied using it by sliding
Layer is applied and is attached on the drill body spire (20).
12. augers according to claim 11, it is characterised in that the painting device has at least one jet hole
(42), it is connected with transfer pipeline.
A kind of 13. drilling equipments for soil drilling, with essentially vertical bar, auger (10) can be moved along the bar
Rotationally drive, it is characterised in that be provided with the auger (10) according to any one of claim 1 to 12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13193903.5 | 2013-11-21 | ||
| EP13193903.5A EP2876246B1 (en) | 2013-11-21 | 2013-11-21 | Auger drive for drilling into soil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104653110A CN104653110A (en) | 2015-05-27 |
| CN104653110B true CN104653110B (en) | 2017-06-20 |
Family
ID=49641601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410670151.8A Active CN104653110B (en) | 2013-11-21 | 2014-11-21 | For the auger of soil drilling |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2876246B1 (en) |
| CN (1) | CN104653110B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3361040B1 (en) * | 2017-02-13 | 2019-11-27 | BAUER Maschinen GmbH | Soil processing tool and method for creating a hole in the soil |
| CN108729852B (en) * | 2017-03-08 | 2020-07-24 | 杭州富阳通讯塑料厂 | Arc ground stake auger that municipal works were used |
| CN111980593B (en) * | 2020-09-10 | 2022-05-17 | 贵州财经大学 | Drilling device for oil exploitation |
| CN113250610B (en) * | 2021-06-07 | 2022-11-08 | 山东科技大学 | Spiral propelling type underground exploration trolley |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2981403A (en) * | 1957-04-15 | 1961-04-25 | Joy Mfg Co | Conveying apparatus |
| DE2059232B1 (en) * | 1970-12-02 | 1972-03-09 | Werkzeugbau Gmbh | Rock drill |
| DE8437600U1 (en) | 1984-12-21 | 1988-09-08 | Bauer Spezialtiefbau GmbH, 8898 Schrobenhausen | Device for removing drilling material from the auger of an auger drilling rig for earth drilling |
| DE3446900C2 (en) | 1984-12-21 | 1986-10-23 | Karl Bauer Spezialtiefbau GmbH & Co KG, 8898 Schrobenhausen | Method and device for cleaning the helix of an auger |
| CN1078519A (en) * | 1992-05-12 | 1993-11-17 | 王英权 | Pile-making method by drilling-slurry and drilling tool rotary spray apparatus |
| GB9719254D0 (en) * | 1997-09-11 | 1997-11-12 | Limited | Earthworking equipment |
| US6321861B1 (en) * | 1999-06-15 | 2001-11-27 | Henry S. Leichter | Auger |
| ITUD20020117A1 (en) | 2002-05-30 | 2003-12-01 | Casagrande Spa | CLEANING DEVICE FOR PROPELLER TOOLS AND CLEANING PROCEDURE OF A PROPELLER TOOL ADOPTING SUCH DEVICE |
| DE502006001852D1 (en) * | 2006-08-23 | 2008-11-27 | Bauer Maschinen Gmbh | Method and device for creating a hole in the ground |
-
2013
- 2013-11-21 EP EP13193903.5A patent/EP2876246B1/en active Active
-
2014
- 2014-11-21 CN CN201410670151.8A patent/CN104653110B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2876246A1 (en) | 2015-05-27 |
| EP2876246B1 (en) | 2019-05-01 |
| CN104653110A (en) | 2015-05-27 |
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