WO1998016714A1 - Tariere pedologique et sonde pedologique mecanique - Google Patents

Tariere pedologique et sonde pedologique mecanique Download PDF

Info

Publication number
WO1998016714A1
WO1998016714A1 PCT/GB1997/002786 GB9702786W WO9816714A1 WO 1998016714 A1 WO1998016714 A1 WO 1998016714A1 GB 9702786 W GB9702786 W GB 9702786W WO 9816714 A1 WO9816714 A1 WO 9816714A1
Authority
WO
WIPO (PCT)
Prior art keywords
collar
soil
drill bit
mechanical
auger
Prior art date
Application number
PCT/GB1997/002786
Other languages
English (en)
Inventor
Terence Mcburney
Roger Charles Balls
Original Assignee
The Minister Of Agriculture Fisheries And Food In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by The Minister Of Agriculture Fisheries And Food In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland filed Critical The Minister Of Agriculture Fisheries And Food In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland
Priority to GB9907411A priority Critical patent/GB2333547B/en
Priority to AU46308/97A priority patent/AU4630897A/en
Publication of WO1998016714A1 publication Critical patent/WO1998016714A1/fr

Links

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
    • 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
    • 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
    • E21B12/00—Accessories for drilling tools
    • E21B12/06—Mechanical cleaning devices

Definitions

  • the present invention relates to a soil auger and in particular to a screw type auger and to a mechanical soil sampler employing this auger.
  • Hand augers are well known but are slow to operate, typically permitting the sampling of only 4-6 fields per day and are prone to causing strain injuries in the operators.
  • One known mechanical screw-type soil auger is described in US 3 356 168 and comprises a shaft having a point at one end with the opposite end being adapted to fit a standard drill chuck.
  • a continuous flighting is spot welted onto the shaft and extends along its length. The purpose of this flighting is to scatter soil around the edge of a hole it produces and therefore cannot be employed to provide a useful soil sample.
  • a soil auger comprising a fluted drill bit provided with one end adapted for operably coupling to a rotary drive means and a scraper adapted for engagement with the flute to dislodge soil samples therefrom during their relative movement.
  • the scraper comprises a collar rotatably mounted about the drill bit and having a surface adapted to engage the flute thereof in a cutting relationship with the soil disposed therein.
  • the screw action of the relative rotation of the bit and the collar effects displacement of the drill bit through the collar.
  • the collar being mounted on the drill bit, needs no additional supporting structure and so provides a simplified design of the soil auger.
  • a further advantage of this arrangement is that the soil sample may be dislodged from the flute in an easily controlled manner simply by controlling the relative rotation of the collar and bit. This rotation may be achieved either manually or mechanically, for example by using the same rotary drive means as is employed to drive the bit into the ground.
  • a mechanical soil sampler comprising a soil auger according to the first aspect and a rotary drive means operably coupled thereto.
  • the rotary drive means may, for example, be a commercially available electric hand drill. This provides a mechanical soil sampler which is relatively lightweight and inexpensive to construct.
  • the mechanical soil sampler additionally comprises a support frame having guide means, for example a cooperating guide bar and carriage arrangement, which is adapted to retain the rotary drive means and soil auger in moveable mounting to guide the drill bit during insertion into and extraction from the soil and to support the drill bit substantially perpendicular to the soil during sample collection.
  • guide means for example a cooperating guide bar and carriage arrangement, which is adapted to retain the rotary drive means and soil auger in moveable mounting to guide the drill bit during insertion into and extraction from the soil and to support the drill bit substantially perpendicular to the soil during sample collection.
  • Collection means cooperable with the mechanical soil sampler, may also be provided which is adapted to collect discrete soil samples dislodged by the scraper from separate predetermined regions of the drill bit.
  • This collection means may for example comprise a plurality of sample holders having an open end for receiving dislodged soil in attachment to the support frame so as to lie parallel with and extend along substantially all of the fluted region of the drill bit.
  • these sample holders may comprise a single trough being provided with a plurality of internal partitions to segregate soil samples collected from different regions of the drill bit corresponding to the regions between the partitions.
  • the collection means may be a bucket locatable adjacent the scraper.
  • the bucket may be slideably mounted on the guide means and operably connected to the collar, for example by latching it to the collar, so as to maintain the relative spatial relationship between the collar and the bucket as the collar moves along the bit.
  • the bucket will be periodically emptied to provide discrete soil samples from the predetermined regions. These regions could for example represent 0-30cm, 30-60cm and 60-90cm soil sample depths.
  • the inventors have discovered that under certain circumstances, particularly when used in unconsolidated soils, sample loss may occur from the flutes of the drill bit of the present invention and that such loss may be reduced by controlling either or both of the rotational speed of the bit and the rate of its penetration into the soil.
  • the mechanical soil sampler may additionally comprise a latch means for latching the collar to the support frame, for example to the base of the frame. This arrangement is such that displacement of the bit into the ground is controlled by its rotational speed, that is, by the screw action between the drill bit and the flute engaging surface of the collar.
  • decoupling device having a first part coupled to the drive means, a second part coupled to the drill bit and a biasing means adapted to hold apart the first and second parts to decouple the one from the other.
  • the operator controls the rotation of the drill bit through the application of an external force to bring the first and second parts into operational contact.
  • the decoupling device may be adapted to couple the rotation of the drive means to the drill bit irrespective of the direction of the externally applied force along the axis of the drill bit.
  • Figure 1 shows a part section of a soil auger according to the first aspect of the present invention.
  • Figure 2 shows a mechanical soil sampler according to the second aspect of the present invention.
  • Figure 3 shows a part section view of a decoupling device usable with the mechanical soil sampler of figure 2
  • a soil auger 1 comprises a 10mm shank diameter drill bit 2 having a flute 3 extending for approximately 1 meter along the shank.
  • a scraper comprising a collar body 4 and an insert 5 having an edge 6 adapted to engage the flutes 3. This arrangement is such that the relative rotation of the drill bit 3 and the scraper 4,5 causes the edge 6 to move screw like along the flutes 3 to dislodge any soil retained therein.
  • the scraper 4,5 is also provided with a pair of latch bars 7, 7' (not shown) each of which is, towards one end, pivotally mounted on the body 4.
  • the auger 1 is mounted in the chuck 8 ( Figure 2) of an electric drill 9 which is connected to the rotatable shank of the electric drill 9 through a decoupler 10 and a 1:200 speed reduction gear 11.
  • This gear 11 permits the motor of the drill 9 to run at near full power, to provide maximum torque, whilst permitting the drill bit 2 to rotate slowly to avoid possible loss of the soil sample.
  • the body of the drill 9 is adapted for slidable mounting on guide bars 13, 13' of the support frame 14.
  • the support frame 14 also comprises a base plate 15 through which the drill bit 2 may pass and which has recesses or holes into which the free ends of the latch bars 7, 7' can be located (shown as dashed construction).
  • a collection bucket 16 having recesses 17, 17' for receiving the latch bars 7, 7' is slidably mounted onto the guide bars 13, 13' and in use may is latchable to the collar body 4 in order to collect soil samples dislodged from the flute 3 of the bit 2 as the collar body 4 passes along the bit 2.
  • the bit 2 and collar body 4 are rotated relative to one another so as to permit passage of the collar body along the drill bit 2.
  • the bucket 16 collects soil dislodged from the flute 3 by the edge 6 and is removed and emptied periodically so that individual soil samples, corresponding to predetermined regions through the ground, may be collected and tested.
  • Wheels are also provided on the support frame so that the whole soil sampler may be easily transported about the sample site.
  • the two-way decoupler 10 is shown in Figure 3 and comprises a housing 18 having an internal cavity 19 adapted to receive the shaft 20 of the drill 9.
  • a collar 21 is slidably located in the cavity 19 and is in connection with the shaft 20 to rotate as the shaft 20 rotates.
  • the collar 21 is provided with holes 22,22' which are adapted to receive and locate one pair of corresponding opposing pairs of lugs 23, 23' and 24, 24'.
  • a pair of spring coils 25,25' act to bias the collar out of contact with both pairs of lugs in the absence of an externally applied force.

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)
  • Sampling And Sample Adjustment (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

L'invention concerne une sonde pédologique mécanique comprenant un cadre-support (13, 13', 15) possédant des moyens-guides (13, 13') prévus pour retnir un moyen d'entraînement rotatif (9) et une tarière (4, 2) montés de façon mobile, en vue de guider le trépan durant l'insertin dans le sol et durant le retrait. La tarière (4, 2) comprend un trépan (2) avec goujures possédant une extrémité prévue pour être accouplée fonctionnellement au moyen d'entraînement rotatif (9), ainsi qu'un racloir (4) prévu pour entrer en contact avec la goujure, en vue d'en détacher les échantillons de sol durant leur mouvement relatif. On peut également prévoir un godet (16) pour recueillir les échantillons de sol détachés.
PCT/GB1997/002786 1996-10-11 1997-10-09 Tariere pedologique et sonde pedologique mecanique WO1998016714A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9907411A GB2333547B (en) 1996-10-11 1997-10-09 Soil auger and mechanical soil sampler
AU46308/97A AU4630897A (en) 1996-10-11 1997-10-09 Soil auger and mechanical soil sampler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9621208A GB2318135A (en) 1996-10-11 1996-10-11 Soil auger and mechanical soil sampler
GB9621208.9 1996-10-11

Publications (1)

Publication Number Publication Date
WO1998016714A1 true WO1998016714A1 (fr) 1998-04-23

Family

ID=10801254

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1997/002786 WO1998016714A1 (fr) 1996-10-11 1997-10-09 Tariere pedologique et sonde pedologique mecanique

Country Status (3)

Country Link
AU (1) AU4630897A (fr)
GB (2) GB2318135A (fr)
WO (1) WO1998016714A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0982471A2 (fr) * 1998-08-24 2000-03-01 Hölzl, Hans Système automatisé pour le prélevement d'échantillons de sol
DE102017116554A1 (de) * 2017-07-21 2019-01-24 Leibniz-Institut für Agrartechnik und Bioökonomie e. V. (ATB) Entnahme-, Aufbereitungs- und Messvorrichtung für Bodenproben

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9629684B2 (en) * 2013-03-15 2017-04-25 Acclarent, Inc. Apparatus and method for treatment of ethmoid sinusitis
CN117167000B (zh) * 2023-11-02 2024-01-02 山西地丘环境科技有限公司 一种地质勘察用取土装置及取土方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8437600U1 (fr) * 1984-12-21 1988-09-08 Bauer Spezialtiefbau Gmbh, 8898 Schrobenhausen, De
EP0330829A1 (fr) * 1988-02-03 1989-09-06 Anton Reck Procédé et dispositif pour la prise d'échantillons du sol
DE3839003A1 (de) * 1988-11-18 1990-05-23 Paul Dr Behringer Vorrichtung zur entnahme von bodenproben mit einer bohrschnecke aus drei bodentiefen fuer bodenuntersuchungen
DE29610624U1 (de) * 1996-02-22 1997-07-24 Fritzmeier Georg Gmbh & Co Bodenprobenentnahmegerät

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534231A (en) * 1983-06-21 1985-08-13 Mats Jonsson Method and device for taking soil samples
DE69002583T2 (de) * 1989-11-10 1993-11-25 Dawson Const Plant Ltd Reiniger für Schneckenbohrer.
US5242027A (en) * 1992-03-09 1993-09-07 Berkel & Company Contractors, Inc. Cleaning device for earth augers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8437600U1 (fr) * 1984-12-21 1988-09-08 Bauer Spezialtiefbau Gmbh, 8898 Schrobenhausen, De
EP0330829A1 (fr) * 1988-02-03 1989-09-06 Anton Reck Procédé et dispositif pour la prise d'échantillons du sol
DE3839003A1 (de) * 1988-11-18 1990-05-23 Paul Dr Behringer Vorrichtung zur entnahme von bodenproben mit einer bohrschnecke aus drei bodentiefen fuer bodenuntersuchungen
DE29610624U1 (de) * 1996-02-22 1997-07-24 Fritzmeier Georg Gmbh & Co Bodenprobenentnahmegerät

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0982471A2 (fr) * 1998-08-24 2000-03-01 Hölzl, Hans Système automatisé pour le prélevement d'échantillons de sol
EP0982471A3 (fr) * 1998-08-24 2000-10-11 Hölzl, Hans Système automatisé pour le prélevement d'échantillons de sol
DE102017116554A1 (de) * 2017-07-21 2019-01-24 Leibniz-Institut für Agrartechnik und Bioökonomie e. V. (ATB) Entnahme-, Aufbereitungs- und Messvorrichtung für Bodenproben
DE102017116554B4 (de) 2017-07-21 2021-08-26 Leibniz-Institut für Agrartechnik und Bioökonomie e. V. (ATB) Entnahme-, Aufbereitungs- und Messvorrichtung für Bodenproben

Also Published As

Publication number Publication date
GB9907411D0 (en) 1999-05-26
GB9621208D0 (en) 1996-11-27
AU4630897A (en) 1998-05-11
GB2333547B (en) 2001-03-28
GB2318135A (en) 1998-04-15
GB2333547A (en) 1999-07-28

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