EP3347525B1 - Machine de forage - Google Patents

Machine de forage Download PDF

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Publication number
EP3347525B1
EP3347525B1 EP16767339.1A EP16767339A EP3347525B1 EP 3347525 B1 EP3347525 B1 EP 3347525B1 EP 16767339 A EP16767339 A EP 16767339A EP 3347525 B1 EP3347525 B1 EP 3347525B1
Authority
EP
European Patent Office
Prior art keywords
drilling
support
module
drilling machine
drilling module
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
Application number
EP16767339.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3347525A1 (fr
Inventor
Sara CASCARINO
Daniel Perpezat
Laurent Pivert
Régis Bernasinski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Soletanche Freyssinet SA
Original Assignee
Soletanche Freyssinet SA
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 Soletanche Freyssinet SA filed Critical Soletanche Freyssinet SA
Publication of EP3347525A1 publication Critical patent/EP3347525A1/fr
Application granted granted Critical
Publication of EP3347525B1 publication Critical patent/EP3347525B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/13—Foundation slots or slits; Implements for making these slots or slits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/02—Foundation pits
    • E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
    • 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
    • E21B3/00—Rotary drilling
    • 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
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0038—Production methods using an auger, i.e. continuous flight type
    • 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

Definitions

  • the present invention relates to the field of drilling in the ground, in particular with a view to manufacturing foundations, such as for example continuous screens consisting of juxtaposed concrete wall elements as known from the document DE 10 2007 035 591B3 .
  • This type of drilling machine is generally used for drilling in hard terrain, for example in granite.
  • the displacement device allows to exert a complementary thrust on the drilling tools, which aims to facilitate the excavation.
  • Another interest is to precisely control the thrust exerted on the cutting members.
  • An object of the present invention is to overcome the aforementioned drawbacks by proposing a drilling machine that is more robust for drilling in hard terrain.
  • the invention achieves its goal by the fact that the displacement device comprises damping means for damping the vibrations generated by the drilling module during the drilling.
  • the vibrations generated due to shocks to the cutting members during drilling are thus damped by the damping means which are arranged between the drilling module and the support. Also, thanks to the invention, the vibrations generated by the drilling module are damped and affect neither the cutting members nor the support, which advantageously allows not to damage the drilling machine.
  • the displacement device has the dual function of moving the drilling module relative to the support, and to dampen the vibrations generated by the cutting elements of the drilling module.
  • the displacement device comprises at least one hydraulic cylinder, connected to the support and to the drilling module, and the damping means comprise a hydraulic damping device fluidly connected to the hydraulic cylinder.
  • the hydraulic cylinder is advantageously disposed between the support and the drilling module. It allows first of all to be able to move in translation the drilling module relative to the support.
  • the damping is achieved hydraulically, thanks to the hydraulic damping device.
  • the latter preferably comprises, but not exclusively, a spring accumulator with at least one nozzle.
  • the oil contained in one of the chambers of the hydraulic cylinder is compressed and flows through the nozzle towards the spring-loaded accumulator, to dampen the rise in pressure of the oil, which makes it possible to achieve depreciation.
  • the leakage rate of the nozzle and the spring preload of the spring accumulator are remotely adjustable, which makes it possible to adjust the damping coefficient and the recoil resistance of the cylinders according to the weight applied to the organs cutting.
  • the drilling module comprises a lower section carrying the cutting members, and an upper section which passes longitudinally through said support, the upper section being slidably mounted relative to said support and having an upper end connected to the lower end. a lift cable.
  • the drilling module is suspended from the lift cable.
  • the latter is preferably operated by means of a winch connected to a carrier. More preferably, the upper end of the upper section protrudes beyond the upper end of the support.
  • the support is a frame whose transverse dimensions, considered in a plane perpendicular to the longitudinal direction, are substantially equal to or less than the transverse dimensions of the drilling module, and the frame comprises an anchoring device capable of blocking the displacement. of the support with respect to the walls of the excavation.
  • the anchoring device makes it possible in particular to block the vertical displacement of the drilling machine in the ground.
  • the hydraulic damping device absorbs vibrations that are not transmitted to the chassis.
  • the displacement device comprises at least one hydraulic cylinder which is arranged between the support and the drilling module, and the damping means comprise a spring member disposed between the support and the module. drilling. It is understood that the spring member is disposed parallel to the hydraulic cylinder. The spring member is preferably, but not necessarily coaxial with the jack.
  • the spring member preferably comprises a spring.
  • the support comprises a mast; the cutting members are located at the lower end of a bar of the drilling module, and the displacement device comprises a carriage mounted to the mast slidably in the longitudinal direction of the mast, the carriage cooperating with said bar to move the bar with the drilling module in the longitudinal direction of the mast.
  • the bar traditionally called Kelly, and the mast are substantially parallel and extend in a substantially vertical direction. It is understood that the displacement of the carriage has the effect of moving the drilling module relative to the support.
  • the carriage comprises the damping means.
  • the vibrations generated by the drilling module are not transmitted to the mast or the carrier vehicle that supports it.
  • the carriage comprises a first part slidably mounted on the mast and a second part cooperating with the bar, and the damping means are arranged between the first and second parts of the carriage.
  • the first and second parts are preferably slidably mounted relative to each other in the longitudinal direction of the mast.
  • the damping means comprise a spring member disposed between the first and second parts of the carriage.
  • the spring member is preferably composed of a damper with a coaxial spring.
  • the damping means comprise a hydraulic damping device of the same type as that mentioned above.
  • the drilling module further comprises an anti-sway device to prevent a horizontal movement of the drilling module during the drilling.
  • the anti-swaying device comprises deployable pads disposed on the lateral edges of the drilling module and configured to abut against at least one of the walls of the excavation.
  • An interest is to prevent the waddling of the drilling module, which prevents the drilling trajectory deviates from the desired path, as well as unnecessary movements of the cutting members.
  • the drilling machine further comprises a device for regulating the damping coefficient of the damping means.
  • a device for regulating the damping coefficient of the damping means is to be able to adapt the damping means to the nature of the ground and the thrust exerted on the cutting members.
  • said drilling machine is a cutter whose cutting members comprise two pairs of drums which are rotary around axes of rotation parallel, distinct and perpendicular to the longitudinal direction of the support.
  • FIG. 1 On the figure 1 a first embodiment of the drilling machine 10 according to the present invention has been illustrated.
  • This drilling machine 10 is used to perform an excavation E in a soil S in a drilling direction F which is substantially vertical.
  • the drilling machine 10 comprises a support 12 having a longitudinal direction L which is substantially vertical in this example.
  • the drilling machine 10 further comprises a drilling module 14 provided with cutting members 16.
  • the drilling machine 10 is a cutter whose cutting members 16 comprise two pairs of drums 18, 20 provided with cutting teeth 22, the two pairs of drums 18, 20 being respectively rotatably mounted about axes of rotation A, B which are parallel, distinct and perpendicular to the longitudinal direction L of the support 12.
  • the drilling module 14 comprises a lower section 24 which carries the cutting members 16, and in particular the drums 18, 20.
  • the lower section 24 further comprises a pumping module 26 which has the function of sucking the soil fragments excavated to evacuate them on the surface.
  • the drilling module 14 further includes an anti-pitching device 30 for preventing horizontal movement of the drill module 14 for carrying out the drilling.
  • This anti-swaying device comprises deployable pads 32, 34 which are arranged on the lateral edges 24a, 24b of the lower section 24 of the drilling module 14. These deployable pads are arranged to cooperate with walls of the excavation when are deployed horizontally.
  • the deployable pads 32, 34 are actuated by jacks (not shown here) arranged in the lower section 24 of the drilling module 14.
  • the drilling module 14 further comprises an upper section 40, which extends vertically above the lower section 24, the upper section 40 here having the shape of a bar which extends longitudinally through the support 12.
  • the support 12 is a frame which comprises guide members 42 within which the upper section 40 is slidably mounted. It is therefore understood that the upper section 40 is slidably mounted relative to the frame 13 in a substantially vertical direction, as a result of which the drilling module 14 is movable in translation relative to the support 12.
  • the drilling module is movable in translation relative to the support in the drilling direction F, which is substantially vertical.
  • the upper section 40 of the drilling module 14 has an upper end 40a which protrudes beyond the upper end 12a of the support 12, this upper end 40a being connected to the lower end 50a of a lift cable 50.
  • This levitation cable 50 is connected to the upper end of a carrier (not shown here) known elsewhere.
  • the drilling machine 10 further comprises a displacement device 60 which is disposed between the support 12 and the drilling module 14, and whose function is to move the drilling module 14 relative to the support 12 in the longitudinal direction of the support .
  • the displacement device moves the drilling module relative to the support in the drilling direction F, which is substantially vertical.
  • the displacement device 60 comprises a pair of hydraulic cylinders 62, 64 which connect the support 12 to the lower section 24 of the drilling module 14. It is thus clear that the hydraulic cylinders 62, 64 are connected to the support 12 and the drilling module 14, so that their actuation makes it possible to move the drilling module vertically relative to the support 12.
  • the displacement device 60 further comprises damping means 70 for damping the vibrations generated by the drilling module 14 during the drilling.
  • FIG. 2 Schematically there is illustrated the drilling machine 10 according to the first embodiment of the invention, and the damping means 70.
  • the latter comprise a hydraulic damping device 72 which is fluidly connected to the hydraulic cylinders 62 , 64.
  • the damping device comprises a spring accumulator 74 and the nozzle 77.
  • the oil contained in the large chambers 62a, 64a of the hydraulic cylinders 62, 64 is compressed and flows to the spring accumulator 74, through the nozzle 77 which will dampen the rise in oil pressure, which allows for damping.
  • the damping means 70 furthermore comprise a device 76 for regulating the coefficient of stiffness of the damping means and more specifically the stiffness of the spring accumulator 74. They also comprise means for regulating the leakage flow at through the nozzle 77 so as to regulate the damping coefficient of the damping means. Also, during an impact, the vibrations generated by the cutting members are not transmitted to the support 12.
  • the frame 13 comprises an anchoring device 80 which is able to block the displacement of the support 12 relative to the walls of the excavation.
  • This anchoring device 80 comprises a plurality of deployable anchor pads referenced 82 which are configured to bear on the largest faces of the excavation to immobilize the support 12 in the excavation.
  • the drilling machine 110 illustrated in figure 3A therefore comprises a displacement device 160 which connects the support 112 to the drilling module 114.
  • the drilling module 114 comprises a platform 115 which carries rotary drums 118, 120.
  • the displacement device 160 comprises a pair of jacks 162, 164 which connect the lower end 112b of the support 112 to the platform 115. The actuation of the hydraulic cylinders 162, 164 makes it possible to move in translating the drilling module 114 relative to the support 112 according to the drilling direction F.
  • the damping means 170 comprise the hydraulic cylinders 162, 164 and two damping members 163, 165 which are arranged between the support 112 and the drilling module 114.
  • the damping members 163, 165 comprise springs 167, 169 which surround the hydraulic cylinders 162, 164.
  • the combination of the springs 167, 169 and the hydraulic cylinders 162, 164 thus constitutes the damping means which make it possible to damp the damping means whose function is to damp the vibrations generated by the drilling module 114 during the drilling, and consequently, to prevent the transmission of vibrations to the support 212.
  • the springs 167, 169 could be arranged beside the hydraulic cylinders 162, 164 without being coaxial .
  • the drilling machine 210 comprises a track carrier 211 which is fixed support 212, which here takes the form of a longitudinal mast which extends vertically.
  • the cutting members 216 of the drilling module 214 are located at the lower end 213a of a longitudinal bar of the drilling module, traditionally called Kelly.
  • the displacement device 260 is disposed between the mast 212 and the bar 213 of the drilling module 214, and its function is to move the drilling module 214 relative to the mast 212 in the direction longitudinal L of the mast.
  • the displacement device 260 comprises a carriage 271, better visible on the Figure 4B Which is mounted to the mast 212 slidably in the longitudinal direction L of the mast.
  • the carriage 271 cooperates with the bar 213 to move the drilling module 214 in the longitudinal direction of the mast.
  • the carriage 271 comprises a securing device for securing the bar 213 with said carriage 271 so that the displacement of the carriage 271 in the longitudinal direction L of the mast 212 causes the concomitant movement of the drilling module 214 in the direction drilling.
  • the displacement of the carriage 271 upwards and downwards is ensured in this example by a displacement member 273 comprising cables 275 and 277 fixed on either side of the carriage 271.
  • the carriage 271 includes a first portion 281 which is fixed to the mast 212 in a sliding manner, this first portion 281 being connected to the end of the cable 275.
  • the carriage 271 further comprises a second portion 283 which carries the bar 213 while being slidably mounted relative to the first portion of the carriage in the longitudinal direction of the bar 213.
  • the displacement device 260 further comprises damping means 270 for damping the vibrations generated by the drilling module 214 during the drilling.
  • damping means 210 are arranged between the first and second parts 281, 283 of the carriage 271. It is thus clear that in this second embodiment is the carriage 271 of the displacement device 260 which comprises the damping means 270.
  • the damping means 270 constitute in this example a suspension which comprises one or more hydraulic dampers 262 connecting the first portion 281 to the second portion 283 of the carriage 271, these dampers being associated in parallel with the springs 263. It will be understood that, during drilling, the vibrations generated by the cutting members 216 are transmitted along the bar 213 to the second portion 283, and then absorbed by the damping means 270, so that the vibrations are not transmitted to the first part 281 or the mast 212.
  • the springs 263 could be arranged next to the dampers 262 without being coaxial.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
EP16767339.1A 2015-09-10 2016-09-08 Machine de forage Active EP3347525B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1558426A FR3041023B1 (fr) 2015-09-10 2015-09-10 Machine de forage comprenant un amortisseur
PCT/FR2016/052247 WO2017042496A1 (fr) 2015-09-10 2016-09-08 Machine de forage

Publications (2)

Publication Number Publication Date
EP3347525A1 EP3347525A1 (fr) 2018-07-18
EP3347525B1 true EP3347525B1 (fr) 2019-07-17

Family

ID=55072813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16767339.1A Active EP3347525B1 (fr) 2015-09-10 2016-09-08 Machine de forage

Country Status (11)

Country Link
US (1) US10844570B2 (ko)
EP (1) EP3347525B1 (ko)
JP (1) JP6655170B2 (ko)
KR (1) KR102337106B1 (ko)
CN (1) CN108495966B (ko)
AU (1) AU2016319498B2 (ko)
CA (1) CA2998309A1 (ko)
DE (1) DE202016008569U1 (ko)
FR (1) FR3041023B1 (ko)
SG (1) SG11201801992QA (ko)
WO (1) WO2017042496A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3041024B1 (fr) * 2015-09-10 2017-09-29 Soletanche Freyssinet Machine de forage munie d'un dispositif d'ancrage permettant un deplacement horizontal du module de forage en position ancree
FR3041025B1 (fr) * 2015-09-10 2017-09-29 Soletanche Freyssinet Machine de forage suspendue a un cable de sustentation fixe au module de forage
FR3041022B1 (fr) * 2015-09-10 2017-09-29 Soletanche Freyssinet Machine de forage ancrable munie d'un module de forage articule et mobile en translation
DE102019101305A1 (de) 2019-01-18 2020-07-23 Liebherr-Werk Nenzing Gmbh Modulare Schlitzwandfräse
KR102573759B1 (ko) 2021-03-23 2023-09-04 한국기계연구원 공구의 강성 제어를 이용한 3차원 진동 감쇄 기능을 갖는 심공 드릴링 시스템

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FR2536455A1 (fr) * 1982-11-19 1984-05-25 Soletanche Dispositif pour assurer la verticalite d'un engin de perforation
FR2605028B1 (fr) * 1986-10-08 1988-12-09 Soletanche Engin de fraisage pour creuser des tranchees dans le sol.
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JP2684131B2 (ja) * 1991-11-08 1997-12-03 菱建基礎株式会社 掘削機
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FR2749333B1 (fr) * 1996-06-04 1998-08-28 Sol Comp Du Appareil a chassis telescopique pour creuser des tranchees dans le sol
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Also Published As

Publication number Publication date
EP3347525A1 (fr) 2018-07-18
CA2998309A1 (en) 2017-03-16
AU2016319498A1 (en) 2018-04-12
KR102337106B1 (ko) 2021-12-08
JP2018528341A (ja) 2018-09-27
CN108495966B (zh) 2021-09-21
FR3041023A1 (fr) 2017-03-17
AU2016319498B2 (en) 2021-06-10
SG11201801992QA (en) 2018-04-27
FR3041023B1 (fr) 2017-09-29
WO2017042496A1 (fr) 2017-03-16
US10844570B2 (en) 2020-11-24
JP6655170B2 (ja) 2020-02-26
US20180305885A1 (en) 2018-10-25
KR20180053330A (ko) 2018-05-21
CN108495966A (zh) 2018-09-04
DE202016008569U1 (de) 2018-06-26

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