EP2626506B1 - Dispositif de déplacement d'un moyen de travail dans la terre - Google Patents

Dispositif de déplacement d'un moyen de travail dans la terre Download PDF

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Publication number
EP2626506B1
EP2626506B1 EP13154320.9A EP13154320A EP2626506B1 EP 2626506 B1 EP2626506 B1 EP 2626506B1 EP 13154320 A EP13154320 A EP 13154320A EP 2626506 B1 EP2626506 B1 EP 2626506B1
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EP
European Patent Office
Prior art keywords
cylinder
linkage
carriage
piston
cylinder housing
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
EP13154320.9A
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German (de)
English (en)
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EP2626506A3 (fr
EP2626506A2 (fr
Inventor
Dietmar Jenne
Manfred Neumann
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.)
Terra AG fuer Tiefbautechnik
Original Assignee
Terra AG fuer Tiefbautechnik
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.)
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Priority to PL13154320T priority Critical patent/PL2626506T3/pl
Publication of EP2626506A2 publication Critical patent/EP2626506A2/fr
Publication of EP2626506A3 publication Critical patent/EP2626506A3/fr
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Publication of EP2626506B1 publication Critical patent/EP2626506B1/fr
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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
    • E21B7/04—Directional drilling
    • E21B7/046—Directional drilling horizontal 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder

Definitions

  • the invention relates to a device for moving a working fluid in the ground.
  • a working means may be a drill bit, a widening means and / or a bursting means.
  • a hole can be made or expanded.
  • using the working fluid can be replaced in the ground laid pipeline.
  • Horizontal drilling rigs and vertical drilling rigs are known, with the horizontal drilling rigs preferably being arranged in wells introduced into the soil for this purpose.
  • shaft drilling systems are known, which can be arranged in particular in a supply or disposal shaft, such as a sewer manhole.
  • Such shaft drilling systems are for example from the documents DE10159712B4 . DE10257392A1 and DE102010004287A1 known.
  • Known horizontal or vertical drilling rigs and known bursting systems have a displacement unit for generating a linear movement of a linkage along its longitudinal axis.
  • This displacement unit conventionally comprises a hydraulic cylinder or a hydraulic motor and a chain or a hydraulic motor and a gear / rack combination (rack and pinion) as a drive unit for generating the linear movement of the linkage in these systems.
  • a hydraulic cylinder provided as a drive unit has a cylinder housing and a piston guided in a pressure chamber formed by the cylinder housing.
  • a hydraulic cylinder is used as the cylinder.
  • it is advantageous to produce drilling devices which, in relation to their outer dimensions, have a long displacement path for generating the linear movement of the linkage along its longitudinal axis.
  • WO 2004/074626 A1 discloses a telescopic drive arm for a rock drilling apparatus having a first segment and a second segment slideably connected thereto by guide rails.
  • the second segment is connected to a carriage slidably carried on the second segment, which comprises a drilling device.
  • the slidably guided segments can be moved against each other via a respective drive cylinder.
  • the device according to the invention may in particular be a horizontal drilling rig or a vertical drilling rig.
  • Horizontalbohranlagen is by the coupling of the two cylinders a more compact design of the device for moving the working fluid in the ground possible.
  • This compact design results in both advantages when used in pits invention Devices (mine drilling rigs) as well as arranged on the ground surface devices of the invention (surface start drilling rigs). As a result, a smaller starting pit is required in mine drilling rigs by the more compact design made possible by the invention, in which the displacement unit is used.
  • the invention allows for a shorter design than conventional surface-start drilling rigs, so that surface-start drilling rigs according to the invention can be used even in confined spaces.
  • the cylinder arrangement comprises n cylinders which each perform a displacement movement along parallel axes, the length of the (n-1) th cylinder housing being equal to the sum of the length of the travel of the nth cylinder and the length of the nth Cylinder housing is.
  • n is equal to two, three, four or five.
  • the third cylinder is arranged between the second cylinder housing and the carriage, wherein at least one end of a third piston connected to a third piston of the third cylinder is coupled to the second cylinder housing such that the third piston rod for generating the linear Movement of the linkage is movable together with the second cylinder housing.
  • the carriage is then preferably coupled to the third cylinder housing such that the carriage is movable together with the third cylinder housing to produce the linear movement of the linkage. Due to the parallel arrangement of the two, three, four or five cylinders, the length of the displacement movement relative to a single cylinder can be increased, since the second, third, fourth and / or fifth cylinder a sliding movement along the cylinder housing of the (n-1) -th Cylinder performs. As a result, with the same length of the device, the displacement can be extended, whereby a larger stroke of the displacement unit is achieved with the same dimensions of the device and thus longer boom sections can be used compared to conventional displacement arrangements.
  • m cylinder arrangements are provided, which are each arranged between the carriage and the counter-pressure element.
  • the m cylinder assemblies are arranged in parallel and perform the same linear displacement movement.
  • the cylinder assemblies are identical and each comprise n cylinders, where n is equal to two, three, four or five.
  • the m cylinder arrangements are arranged at equal angular intervals around the longitudinal axis of the linkage. As a result, a symmetrical introduction of force into the carriage of the displacement unit is possible, so that a force is introduced into the linkage exclusively in the longitudinal direction of the linkage.
  • the carriage comprises at least one coupling means for generating a rotationally fixed connection between the coupling means and the linkage in at least one direction of rotation and if the coupling means is rotatable together with the linkage by means of a drive unit about the axis of rotation in at least one direction of rotation.
  • a drilling movement of a working means connected to the distal end of the linkage in particular a rotary movement of a drill bit or a drill, can be carried out in order to allow the working means to drive the linkage.
  • the linear displacement movement of the first cylinder of each cylinder arrangement takes place along a respective first axis and if linear displacement movement of the second cylinder of each cylinder assembly takes place along a respective second axis, wherein the first axis, the second axis and the longitudinal axis of the linkage are parallel.
  • the position of the second cylinder in the direction of the sliding movement can be changed by a displacement movement of the first cylinder.
  • the displacement axes can be aligned horizontally or slightly obliquely aligned at an acute angle to the horizontal.
  • a control unit controls the n cylinder arrangements in such a way that the forces exerted on the slides by the cylinder arrangements have parallel magnitude-equivalent force vectors. As a result, a symmetrical introduction of force into the slide can be achieved, so that neither slide nor linkage tilt by the force.
  • At least the first cylinder of each of the m cylinder arrangements is designed as a synchronizing cylinder.
  • the same forces and speeds can be achieved in both directions of the sliding movement.
  • the pressure chamber of all cylinders have the same diameter and if the pistons and the piston rods of all cylinders have the same diameter.
  • the same forces and the same displacement paths are generated by all cylinders of the cylinder arrangement or the cylinder arrangements with the same control.
  • in the provision of several cylinder arrangements is ensured by in that the cylinder arrangements execute the same displacement movement during the same pressurisation or during the same activation.
  • a first intermediate plate which connects the first piston rods and the second cylinder housing of the m cylinder arrangements.
  • a second intermediate plate may be provided, which connects the second piston rods and optionally third cylinder housing of the m cylinder arrangements.
  • guide elements for guiding the displacement movement of the first intermediate plate, the second intermediate plate and / or the carriage are provided.
  • at least the first cylinder are designed as a synchronous cylinder and when the piston rods of the synchronizing cylinder form the guide elements.
  • all cylinders are designed as a synchronous cylinder, the piston rods of all synchronous cylinders each serve as a guide means. It is possible that the device has additional guide elements for guiding the sliding movement.
  • FIG. 1 shows a drill 10 with a cylinder assembly 12 that includes a first cylinder 14 and a second cylinder 16.
  • the first cylinder 14 has a first cylinder housing 18, in the pressure chamber 19, a first piston 20 is arranged, which is connected to a first piston rod 22 extending from the piston 20 in two opposite Directions extends and the ends of which are connected to connecting elements 24, 26 of a drilling rig (not shown), so that the first piston rod 22 is fixedly connected to the drilling frame.
  • the second cylinder 16 has a second cylinder housing 28 with a second pressure chamber 29 in which a second piston 30 is disposed and connected to a second piston rod 32 extending from the piston 30 in opposite directions.
  • the ends of the piston rod 32 are each connected via connecting elements 34, 36 fixed to the first cylinder housing 18, so that the second cylinder 16 is displaced along the first piston rod 22 along with the first cylinder housing 18 during a displacement movement of the first cylinder housing 18.
  • the second cylinder housing 28 can be displaced along the second piston rod 32.
  • the drill 10 further includes a sliding and driving carriage 38 which is fixedly connected to the second cylinder housing 28 and which is displaced together with the second cylinder housing 28.
  • the carriage 38 is displaced both along a displacement movement of the second cylinder housing 28 along the second piston rod 32 and during a displacement movement of the first cylinder housing 18 along the first piston rod 22 in a propulsion direction indicated by the arrow P1 or in the opposite direction to the arrow P1.
  • the carriage 38 comprises a drive motor, not shown, with the aid of a boom support 40 in the direction of the arrow P2 and in the opposite direction of rotation can be driven.
  • the boom receptacle 40 has a threaded portion 42 with a conical external thread, which is screwed into a correspondingly complementary trained internal thread of the rod section 44, so that upon rotation of the rod receptacle 40 of the linkage portion 44 and a Further coupled to the linkage portion 44 linkage portion 45 and possible further coupled to the rod section 45 linkage sections in the direction of the arrow P2 and in the opposite direction of rotation can be driven.
  • a working tool such as a drill bit, connected to the distal end of the linkage formed by the linkage sections 44, 45 and optionally further linkage sections then performs a corresponding rotational movement during a rotational movement of the linkage in the direction of the arrow P2, so that a drilling operation is carried out.
  • the first cylinder 14 and / or the second cylinder 16 is driven such that their cylinder housings 18, 28 are displaced in the advancing direction P1.
  • the longitudinal axis of the linkage section 44 or of the linkage has the reference numeral 50.
  • the possible displacement path in the direction of the arrow P1 in relation to the use of only the first cylinder 14 can be increased considerably in one operation of the drilling device 10.
  • the displacement can amount to at least 140% of the displacement possible with only one cylinder 14 with a suitable structural design of the drill.
  • the first cylinder 14 is also referred to as the master cylinder
  • the second cylinder 16 is referred to as the slave cylinder due to its smaller displacement path.
  • the pressure chambers 19, 29, the pistons 20, 30 and the piston rods 22, 32 of the cylinders 14, 16 each have the same cross-sectional areas, so that they produce the same feed forces and the same feed movement P1 when subjected to the same pressure.
  • the cylinders 14, 16 of the cylinder assembly 12 are designed as a synchronizing cylinder.
  • the cylinder can also be designed as Doppelhubzylinder, in which case additional Guide elements for guiding the sliding movement of the carriage 38 are provided.
  • FIG. 2 is the drill 10 after FIG. 1 shown. Opposite the in FIG. 1 shown first end position of the first cylinder housing 18 and the second cylinder housing 28, the cylinder housing 18, 28 in FIG. 2 shown in their opposite end positions. Between the in FIG. 1 shown first end position and the in FIG. 2 shown second end position of the carriage 38 has been moved to the maximum with the aid of the drill 10 generating displacement in the forward direction P1.
  • FIG. 3 a drilling apparatus 100 according to a second embodiment is shown, which in addition to the cylinder assembly 12 after the Figures 1 and 2 has a second cylinder assembly 112. Elements with the same structure and / or the same function have the same reference numerals.
  • the second cylinder assembly 112 has the same structure as the cylinder assembly 12.
  • the reference numerals of the elements of the second cylinder assembly 112 are different from the indicia of the same elements of the first cylinder assembly 12 by the differential amount 100.
  • the second cylinder assembly 112 is disposed symmetrically to the longitudinal axis 50 of the linkage portion 44 so that the first cylinder assembly 12 and the second cylinder assembly 112 at two opposite ends of the carriage 38 in parallel driving the cylinder assemblies 12, 112 initiate the same force in the carriage 38, so that a smooth and tilt-free sliding movement in the direction of advance P1 is possible.
  • the cylinder assemblies 12, 112 have been displaced up to their respective first end positions against the advancing direction P1.
  • the first linkage section 44 is located completely in the area of the drill 100, so that it can be inserted into the drilling device 100 and can be connected to the linkage receptacle 40 in this first position of the carriage 38. Furthermore, the distal threaded portion of the linkage portion 44 may be connected to the drill 100 sighted end of a second linkage portion 45. During the stepwise retraction of the linkage, the linkage section 44 can also be separated from the linkage section 45. After separating the linkage section 44 from the linkage section 45 in the in FIG.
  • FIG. 4 is the drill 100 after FIG. 3 shown, wherein the cylinders 14, 16, 114, 116 of the cylinder assemblies 12, 112 in a second of in FIG. 3 shown first position opposite second end position have been moved.
  • the cylinder housings 18, 28, 118, 128 have been displaced along the respective piston rod 22, 32, 122, 132 passing therethrough.
  • the connection between the boom receptacle 40 and the linkage section 44 is achieved during the propulsion of the linkage in the forward direction P1 and the cylinder 14, 16, 114, 116 in the in FIG. 3 retracted shown first position.
  • another linkage section can be inserted into the drilling device and connected to the linkage receptacle 40 and the end of the linkage section 44 facing the linkage receptacle 40.
  • a drilling apparatus 200 having a first cylinder assembly 212 and a second cylinder assembly 262.
  • the cylinder assemblies 212 and 262 each have a third cylinder 214, 264.
  • the third cylinder 214 of the first cylinder assembly 212 has a cylinder housing 216 defining a pressure space 217 in which a piston 220 is slidably disposed.
  • the piston 220 is connected to a piston rod 222, whose opposite ends are fixedly connected to the housing 28 of the second cylinder 16 via a respective connecting element 224, 226.
  • the third cylinder 264 of the second cylinder assembly 262 has a cylinder housing 266 defining a pressure space 267 in which a piston 270 is disposed, which is connected on both sides with a piston rod 272.
  • the opposite ends of the piston rod 272 are connected via connecting elements 274, 276 fixed to the cylinder housing 128 of the second cylinder 116.
  • the cylinder housings 216, 266 of the third cylinders 214, 264 are fixedly connected to the carriage 38.
  • the effective cross sections of the cylinders 14, 16, 114, 116, 214, 264 are common to all in connection with FIGS FIGS.
  • 1 to 12 described embodiments are the same size, so that the cylinder 14, 16, 114, 116, 214, 264 perform the same force and magnitude the same feed motion with the same drive.
  • all connections are considered as a fixed connection between the elements of the cylinders 14, 16, 114, 116, 214, 264 with each other and with the carriage 38, a transmission of the displacement movement in the feed direction P1 and in the opposite direction between these elements 18th , 22, 30, 32, 118, 122, 130, 132, 216, 220, 266, 270.
  • the cylinder housings 18, 28, 118, 128, 216, 266 are arranged in the first position, ie in the retracted position.
  • these cylinder housings 18, 28, 118, 128, 216, 266 in FIG. 6 shown arranged in the retraction position opposite the second end position.
  • FIG. 7 a drilling apparatus 300 according to a fourth embodiment is shown.
  • the drilling apparatus 300 comprises two end plates 304, 306 delimiting a displacement unit 302, which are connected to one another via connecting elements 308, 310, 312, 314. About these connecting elements 308 to 314, the distance between the end plates 304, 306 is fixed.
  • With the connecting elements 312, 314 support plates 316 to 322 are connected, via which the drill 300 can be supported in a pit or a shaft.
  • the support plates 316 to 322 can be pulled out of the open ends of the connecting elements 314, 312 projecting through the end plates 304, 306 and can be connected to the connecting elements 312, 314 via bolts 324, 326 in different extension stages.
  • the face plate 304 has a linkage passage 328, through which a linkage section 44, 45 can be passed.
  • locking levers 330, 332 are shown, by which a linkage portion 44, 45 can be selectively fixed so as to prevent it from rotating, so that the fixed linkage portion 44, 45 can be connected to or from another linkage portion 44, 45 another linkage section 44, 45 can be separated. Additionally or alternatively, by means of the clamping levers 330, 332, a displacement of a linkage section 44, 45 in the advancing direction P1 and opposite to the advancing direction can be prevented.
  • a control panel 315 Connected to the connecting element 314 is a control panel 315, with the aid of which the displacement unit 302 and a drive motor 334 for generating a rotational movement of the boom receptacle 40 can be actuated.
  • the drive motor 334 is fixedly connected to the carriage 38.
  • a transmission chain (not shown) arranged in the carriage 38 is provided.
  • the shifting unit 302 has two cylinder assemblies 336, 338.
  • the first cylinder assembly 336 has a first cylinder 340 with a first cylinder housing 342 and a first piston rod 344. Further, the first cylinder assembly 336 has a second cylinder 346, which includes a second cylinder housing 348 and a second piston rod 350 has.
  • the second cylinder assembly 338 has a first cylinder 352 having a first cylinder housing 354 and a first piston rod 356. Further, the second cylinder assembly 338 includes a second cylinder that fits into the cylinder FIGS. 7 to 9 obscured by other elements and in the Figures 10 and 11 is visible. This second cylinder is in the FIGS. 10 to 12 designated by the reference numeral 358 and has a second cylinder housing 360 and a second piston rod 362. One end of the piston rods 344, 356 is fixedly connected to the first end plate 304 via a screw connection.
  • the opposite second ends of the piston rods 344, 356 are screwed to the opposite second end plate 306, so that the piston rods 344, 356 serve as guide elements for guiding the displacement movement of the displacement unit 302.
  • the face plate 304 facing side of the cylinder housing 342, 352 are connected via a first intermediate plate 364.
  • the connecting plate 364 one end of the piston rods 350, 362 of the second cylinder 346, 358 is fixedly connected via a screw connection.
  • the displacement unit 302 comprises a second intermediate plate 366, which is fixedly connected to the second end plate 306 facing the end of the cylinder housing 354, 342 of the first cylinder 340, 352 of the cylinder assemblies 336, 338.
  • the ends of the piston rods fixedly connected to the first intermediate plate 364 are 350, 362 opposite ends of the piston rods 350, 362 fixedly connected to the second intermediate plate 366 via a respective screw connection.
  • the carriage 38 can also be displaced in the advancing direction P1 or in the opposite direction in the case of a displacement movement produced by the second cylinders 346, 358.
  • the function of the displacement unit 302 and the basic structure of the displacement unit 302 of the drill 300 is consistent with the structure and function of the in the FIGS. 3 and 4 schematically shown drill 100 match.
  • FIG. 8 the drill 300 is shown, wherein the position of the cylinder housing 348, 360 of the second cylinder 346, 358 of the cylinder assemblies 336, 338 relative to the piston rods 350, 360 of the second cylinder 346, relative to the in FIG. 7
  • the cylinder housing 342, 354 of the first cylinder 340, 352 along the longitudinal axes of the guided through them piston rods 344, 356 in the opposite FIG. 7 have been moved opposite end position.
  • the carriage 38 is in FIG. 8 arranged in a second position.
  • FIG. 9 For example, the drill 300 is shown with the carriage 38 in a third position. Across from FIG. 8 is in FIG. 9 the position of the cylinder housing 342, 354 of the first cylinder 340, 352 unchanged. However, the location of the cylinder housings 348, 360 is opposite to the second cylinders 346, 358 FIG. 8 due to a displacement of these cylinder housings 348, 360 along which these cylinder housings 348, 360 guided piston rods 350, 362 in one opposite the FIGS. 7 and 8th has been changed so that the carriage 38 of the displacement unit 302 between the in FIG. 7 shown first position (retraction position - first end position) on the in FIG. 8 shown position (intermediate position) and the in FIG. 9 shown third position (second end position) has been moved.
  • FIG. 10 a plan view of the displacement unit 302 of the drill 300 is shown, wherein the connecting elements 312, 314 and the control panel 315 are not shown for clarity.
  • the shift unit 302 is as in FIG FIG. 7 shown in the first end position, in Figure 11 as in FIG. 8 in the second position (intermediate position) and in FIG. 12 as in FIG. 9 in the third position (second end position).
  • the displacement travel of the carriage 38 can be considerably increased compared to the use of cylinder arrangements with only one cylinder 340, 352 each.
  • the possible displacement can be increased by up to 50%, whereby at the same size of the drill 10, 100, 200, 300 in one operation, a larger propulsion or retraction movement of the boom can be achieved, thereby at the same size of the drill 10, 100, 200, 300 longer linkage sections 44, 45 can be used.
  • the displacement path with the same size of the drilling apparatus 10, 100, 200, 300 can additionally be increased by up to 25% of the displacement path of the first cylinders 18, 118.
  • the plates 316 to 322 serve to support the drilling device 300 in the ground, so that the drilling device 300 is stationarily arranged via these plates 316 to 322, so that Both the plates 316 to 322 and the end plates 304, 306 form fixed counter-pressure elements of the displacement unit 302 or of the drilling device 300.

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  • 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)
  • Agricultural Machines (AREA)

Claims (11)

  1. Dispositif permettant de déplacer un équipement de travail dans le sol,
    comprenant une unité de déplacement (302) servant à produire un mouvement linéaire d'un train de tiges (44, 45) le long de l'axe longitudinal (50) de ce dernier,
    l'unité de déplacement (302) servant à produire le mouvement linéaire du train de tiges (44, 45) présentant un premier cylindre (14, 340), qui comporte un premier logement de cylindre (18) et un premier piston (20) guidé dans une chambre de pression (19) formée par le premier logement de cylindre (18, 342),
    l'unité de déplacement (302) servant à produire le mouvement linéaire présentant au moins un ensemble de cylindres (12, 336), qui comporte le premier cylindre (14, 340) et au moins un deuxième cylindre (16, 346), le deuxième cylindre (16, 346) comportant un deuxième logement de cylindre (28, 348) et un deuxième piston (30) guidé dans une chambre de pression (21) formée par le deuxième logement de cylindre (28, 348),
    l'unité de déplacement (302) présentant un coulisseau (38) qui peut être accouplé au train de tiges (44, 45) et qui peut être déplacé à la suite d'un mouvement d'entraînement de l'ensemble de cylindres (12, 336),
    une extrémité d'une deuxième tige de piston (32, 350) reliée au deuxième piston (30) étant accouplée au premier logement de cylindre (18, 348) de telle manière que la deuxième tige de piston (32, 350) servant à produire le mouvement linéaire du train de tiges (44, 45) peut être déplacée conjointement avec le premier logement de cylindre (18, 342), et
    le coulisseau (38) étant accouplé au deuxième logement de cylindre (28, 348) de telle manière que le coulisseau (38) servant à produire le mouvement linéaire du train de tiges (44, 45) peut être déplacé conjointement avec le deuxième logement de cylindre (28, 348), caractérisé en ce que
    tous les cylindres (14, 16, 114, 116, 340, 346, 352, 356) sont réalisés sous la forme de cylindres synchrones et
    en ce que les deux extrémités d'une première tige de piston (22, 344) reliée au premier piston (20) sont en prise avec un élément de pression complémentaire (316 à 322 ; 304, 306) fixe de l'unité de déplacement (302),
    les extrémités de la deuxième tige de piston (32, 350) étant reliées solidement au premier logement de cylindre (18, 342) respectivement par l'intermédiaire d'éléments de liaison (34, 36).
  2. Dispositif selon la revendication 1, caractérisé en ce que le premier ensemble de cylindres (12, 212, 336) comprend n cylindres, qui exécutent chacun un mouvement de déplacement sur des axes parallèles, la longueur du (n-1)ième logement de cylindre (18, 28, 342) étant identique à la somme de la longueur d'un trajet de déplacement du nième cylindre (16, 214, 346) et à la longueur du nième logement de cylindre (28, 216, 348), n étant égal à 2, 3, 4 ou 5.
  3. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que plusieurs ensembles de cylindres (12, 112, 212, 262, 336, 338) sont agencés entre le coulisseau (38) et l'élément de pression complémentaire (316 à 322, 304, 306).
  4. Dispositif selon la revendication 3, caractérisé en ce que les différents ensembles de cylindres (12, 112, 212, 262, 336, 338) sont agencés parallèlement et exécutent parallèlement le même mouvement de déplacement linéaire.
  5. Dispositif selon la revendication 3 ou 4, caractérisé en ce que les m ensembles de cylindres (12, 112, 212, 262, 336, 338) sont agencés à des distances angulaires identiques autour de l'axe longitudinal (50) du train de tiges (44, 45).
  6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le coulisseau (38) comprend au moins un moyen d'accouplement (40, 42) servant à établir une liaison solidaire en rotation entre le moyen d'accouplement (40, 42) et le train de tiges (44, 45), et en ce que le moyen d'accouplement (40, 42) peut être amené en rotation conjointement avec le train de tiges (44, 45) à l'aide d'une unité d'entraînement (334) autour d'un axe de rotation P2 dans au moins un sens de rotation.
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le mouvement de déplacement linéaire du premier cylindre (14, 114, 340, 352) de chaque ensemble de cylindres (12, 112, 212, 262, 336, 338) s'effectue le long de respectivement un premier axe et en ce que le mouvement de déplacement linéaire du deuxième cylindre (16, 116, 346, 358) de chaque ensemble de cylindres (12, 112, 212, 262, 336, 338) s'effectue le long de respectivement un deuxième axe, le premier axe, le deuxième axe et l'axe longitudinal (50) du train de tiges (44, 45) étant parallèles.
  8. Dispositif selon l'une quelconque des revendications 3 à 7, caractérisé en ce qu'une unité de commande commande les différents ensembles de cylindres (12, 112, 212, 262, 336, 338) de telle manière que les forces exercées par les ensembles de cylindres (12, 112, 212, 262, 336, 338) sur le coulisseau (38) présentent des vecteurs de force parallèles, de même valeur.
  9. Dispositif selon l'une quelconque des revendications 3 à 8, caractérisé en ce qu'une première plaque intermédiaire (64) relie les deuxièmes tiges de piston (350, 362) et les premiers logements de cylindre (342, 354) des ensembles de cylindres (12, 112, 212, 262, 336, 338) les uns aux autres.
  10. Dispositif selon la revendication 9, caractérisé en ce que des éléments de guidage (344, 356) guident le mouvement de déplacement de la première plaque intermédiaire (364), d'une deuxième plaque intermédiaire (366) et/ou du coulisseau (38), la deuxième plaque intermédiaire (366) reliant les premiers logements de cylindre (342, 354) l'un à l'autre.
  11. Dispositif selon la revendication 10, caractérisé en ce que les tiges de piston (344, 356) des premiers cylindres (340, 352) forment les éléments de guidage guidant le mouvement de déplacement de la première plaque intermédiaire (364), de la deuxième plaque intermédiaire (366) et/ou du coulisseau (38).
EP13154320.9A 2012-02-07 2013-02-07 Dispositif de déplacement d'un moyen de travail dans la terre Active EP2626506B1 (fr)

Priority Applications (1)

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PL13154320T PL2626506T3 (pl) 2012-02-07 2013-02-07 Urządzenie do przemieszczania środka roboczego w gruncie

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US5265683A (en) * 1992-04-22 1993-11-30 Igor Krasnov Floor drive drilling system

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FR2314353A1 (fr) * 1975-06-10 1977-01-07 Secoma Glissiere destinee a la foration de trous de mine
DE3240361A1 (de) * 1982-11-02 1984-05-03 Hans Brochier GmbH & Co, 8500 Nürnberg Druckkopf fuer rohrvortriebe
ZA932781B (en) * 1993-04-21 1994-09-30 Drilling arrangement and drilling feed mechanism
DE10159712B4 (de) 2001-07-12 2004-12-02 Tracto-Technik Gmbh Bohrgerät und Verfahren zum Herstellen von Erdbohrungen
DE10257392B4 (de) 2002-12-06 2015-05-07 Tracto-Technik Gmbh Kanalbohrverfahren und -vorrichtung
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DE102012100989A1 (de) 2013-08-08
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