EP3152366B1 - Vibrofonceur - Google Patents

Vibrofonceur Download PDF

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Publication number
EP3152366B1
EP3152366B1 EP14728918.5A EP14728918A EP3152366B1 EP 3152366 B1 EP3152366 B1 EP 3152366B1 EP 14728918 A EP14728918 A EP 14728918A EP 3152366 B1 EP3152366 B1 EP 3152366B1
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EP
European Patent Office
Prior art keywords
pipe
pipe body
depth
vibrator
locking
Prior art date
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Active
Application number
EP14728918.5A
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German (de)
English (en)
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EP3152366A1 (fr
Inventor
Marc WOLBER
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.)
Keller Holding GmbH
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Keller Holding GmbH
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Priority to PL14728918T priority Critical patent/PL3152366T3/pl
Publication of EP3152366A1 publication Critical patent/EP3152366A1/fr
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Publication of EP3152366B1 publication Critical patent/EP3152366B1/fr
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
    • E02D3/054—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil involving penetration of the soil, e.g. vibroflotation

Definitions

  • the invention relates to a deep vibrator tube assembly for a deep vibrator for the production of vibrating columns, a device with such a deep vibrator tube assembly and a deep shaking method for the production of vibrating columns.
  • Genus-like deep vibrator as besispielmati from the DE 197 07 687 A1 known in principle, are generally used in three methods for ground improvement, which differ from each other in terms of operation and load transfer. With the Rüttel réellebacter coarse-grained soils are compressed in itself. In the vibratory tamping method load-bearing columns made of gravel or crushed stone are placed in mixed and fine grained, non-compactible soils.
  • the device comprises a device carrier with a leader, a slide which can be moved on the leader and a deep vibrator with drive head and material delivery tube.
  • a cantilever with a winch for a container is provided, with which a feed lock material can be supplied. In the upper end position of the cantilever overhangs the leader upwards. For a given length of Switzerland Switzerland can thus produce relatively long columns.
  • the present invention is therefore based on the object to propose a deep vibrator tube arrangement for a deep vibrator for the production of vibrating columns, which allows sink depths that are greater than the machine height or the above-ground available space.
  • the object further consists in a corresponding device with such a deep vibrator tube assembly and to propose a suitable deep shaking method for the production of vibrating columns.
  • a solution is to provide a deep vibrator tube assembly for connecting a deep vibrator to a device comprising: a first tube body connectable to the device; a second tubular body connectable to the depth vibrator; wherein the first tubular body and the second tubular body are telescopic relative to each other.
  • An advantage of the telescopic deep vibrator tube assembly is that it can be used to make columns whose depth is greater than the space available above the floor or the height of the depth shaker. It is also possible to use smaller depth shakers with the same countersink depth.
  • a further advantage of the variable-length tube arrangement is that the transport length of the depth shaker devices can be reduced.
  • the tubing assembly is suitable and designed for use in a depth shaker device.
  • the tube arrangement connects a deep vibrator arranged at the lower end to a mast of the device.
  • the tube assembly may also be referred to as a telescoping extension tube.
  • the first tubular body is connectable to the device, whereby the interposition of further elements such as a slide or other pipe or adapter body should be included.
  • the connection of the first tubular body with the device can also be referred to as at least indirect.
  • the second tubular body is at least indirectly connectable to the deep vibrator, with which the interposition of further elements such as a clutch or an adapter body should be included.
  • the first tubular body and the second tubular body have for connection to a respective connection component corresponding connection means, which may be designed, for example in the form of flange or screw or pockets for receiving clamping bolts.
  • the total length of the tube assembly can be changed.
  • a plurality of tubular bodies are provided which are longitudinally displaceable with each other.
  • one of the tubular body is designed as an inner tube with a smaller diameter
  • the other tubular body as an outer tube with a larger Diameter is designed, in which the inner tube is retractable.
  • the inner tube is assigned to the mast (first tubular body) and the outer tube assigned to the deep vibrator (second tubular body).
  • the larger diameter tubular body is provided at the lower end so that reduced frictional forces on the subsequent bottom result from the subsequent smaller diameter tubular body when placed in the ground.
  • a reverse design would be conceivable, that is outer tube above and inner tube below.
  • the tube assembly In the retracted position, the tube assembly has a first length, in the extended position, the tube assembly has a larger second length. It is understood that in principle more than two tubular bodies can be used, which are telescopic relative to each other.
  • the deep shaker tube assembly comprises locking means with which the first tubular body and the second tubular body are detachably connectable to each other at least in a retracted position and in an extended position.
  • the two tubular bodies can be fixed relative to one another in one or more intermediate positions between the retracted and extended positions. This can optionally be achieved with great flexibility in terms of the depth of the columns to be produced.
  • the locking means can be converted into a locking position in which the tubular bodies are firmly connected to each other, and in a release position in which the tubular bodies are axially displaceable relative to each other. The actuation of the locking means can be done manually or automatically by means of a controller.
  • the locking means comprise a plurality of locking units, which are arranged distributed over the circumference.
  • Particularly favorable is the use of three circumferentially distributed locking units.
  • the Locking units can be arranged according to a first possibility in a plane.
  • the locking units can also be arranged in two or more axially spaced-apart planes, whereby a particularly good support of tilting moments is achieved.
  • the latter option is particularly suitable for automated actuation of the locking units, since several or all locking units can be operated simultaneously.
  • the locking units each have a locking element and a receptacle into which the locking element can engage.
  • the receptacle which may be designed, for example, as a recess or cup-shaped body, is also referred to as a receiving element. It is envisaged that the locking element is assigned to one of the two tubular body and the receptacle to the other of the two tubular body, wherein the locking element can be brought by radial displacement with the associated receptacle in engagement.
  • a locking element and an associated receptacle are preferably designed opposite to each other, such that the locking element engages in the clamped state positive and play-free in the associated receptacle.
  • the locking element may be designed as a rotationally symmetrical body with a conical end portion and the receptacle as a cup-shaped body with a conical inner wall.
  • the locking elements are assigned to the outer tube or supported on this, while the recordings are assigned to the inner tube.
  • This embodiment is particularly suitable for manual actuation of the locking units, which can be performed from the outside.
  • the locking elements are assigned to the inner tube or supported on it, while the receptacles are associated with the outer tube.
  • This embodiment is particularly suitable for automated operation, which is feasible via control lines from the inside.
  • the locking elements supported on the associated pipe body by means of clamping bolts or are tense.
  • the clamping bolt By screwing in the clamping bolt, the locking element is moved radially inward, and engages in the fully tensioned state without play in the respective receptacle of the other tubular body. In this way, the first tubular body and the second tubular body are firmly connected to each other.
  • the locking elements are supported on the associated tubular body by means of a piston and radially movable by hydraulic pressurization of the piston, wherein the locking elements engage in a clamped state in the respective receptacles of the other tubular body, so that the first tubular body and the second tubular body are fixedly connected to each other.
  • the pistons each sit radially displaceably in a cylinder of one of the tubular bodies and are firmly connected to the locking element, for example via a screw connection.
  • hydraulic pressurization of the piston and the locking element connected thereto is acted upon radially in the direction of the other tube body, and engages in the receptacle formed there.
  • At least one annular seal is provided between the first tubular body and the second tubular body, which seals the annular gap between the first tubular body and the second tubular body.
  • a ring seal may be provided at the upper end of the second tubular body and a ring seal at the lower end of the first tubular body. The at least one ring seal prevents undesired penetration of dirt into the annular gap and allows a pressure build-up within the tube assembly to supply the deep vibrator, for example, with compressed air or water.
  • the telescopic extension tube can be structurally adapted to the respective method or the respective device.
  • the tube assembly may be configured according to a first embodiment for carrying out a Rüttelstopfvons.
  • the two tubular bodies each have a material tube through which material can flow to compress the soil, as well a cable tube which is arranged laterally adjacent to the material pipe and through which an electrical cable for the lock vibrator is feasible.
  • at least one reinforcement is provided on an inner wall of the material pipe in the region of the locking units, which protects the locking unit from material flowing through.
  • the reinforcement may be designed as a ring which is fixed in the tubular body above the locking units, for example by means of welding.
  • the tube arrangement can be designed for carrying out a vibration pressure method in which a material supply is not provided.
  • the tubular body each have an inner channel through which an electrical cable for the pressure shaker is feasible. If necessary, a water rinse to the deep vibrator can be conveyed through the inner channel.
  • the telescopic extension tube can also be designed for carrying out a method for producing pile-like foundation elements.
  • the tube arrangement which is at least similar or identical as designed for the Haittelstopfclar includes a material tube through which a curable suspension is supplied as an addition material.
  • the pile-like foundation elements thus produced are also referred to as BetonstopfTexlen or Fertigmörtelstopf GmbH.
  • the solution of the above-mentioned object further consists in a device for deep shaking comprising: a device with a mast; a deep vibrator tube assembly which is height adjustable on the mast and which has one or more of the above-mentioned configurations; a deep vibrator attached to a lower end of the deep vibrator tube assembly; and a cable tensioning device, which is designed such that the electrical cable for the deep vibrator during telescoping of the first tubular body is tracked relative to the second tubular body tensioned.
  • the device according to the invention offers the same advantages which have already been mentioned in connection with the deep vibrator tube arrangement.
  • the device has a particularly low transport length.
  • the apparatus may be configured to carry out the vibrating pressure method, the vibrating-pot method and / or to produce pile-like constituent elements.
  • the cable tensioning device comprises a plurality of deflection rollers, over which the electrical cable is guided, and a weight which acts on at least one of the deflection rollers in order to tension the cable.
  • the cable tensioning device ensures that the electrical cable for the deep vibrator remains intact when telescoping the tube assembly.
  • the device may comprise a carriage which is held vertically adjustable on the mast, wherein it is provided in particular that the deep vibrator tube assembly and the cable tensioning device are secured to the carriage and are moved together with this.
  • the deep vibrator with pipe arrangement can also be used hanging on a crane or excavator.
  • the solution of the above-mentioned object further consists in a deep shaking method for producing pillars in the ground with a device which may have one or more of the mentioned embodiments, comprising the steps of: driving the deep vibrator into the ground with the tube assembly retracted to a first depth; Releasing the locking means effective between the first tubular body and the second tubular body; Extending the tube assembly from the retracted to an extended position, wherein the electrical cable is tracked by means of the cable tensioning device; Closing the locking means so that the first tubular body and the second tubular body are axially fixed together in the extended position; Retracting the deep vibrator into the ground with the pipe assembly extended to a second depth greater than the first depth; Building a first column section in the ground by pulling the deep vibrator with the tube assembly extended; Releasing the locking means acting between the first tubular body and the second tubular body in the extended position; Retracting the tube assembly from the extended to a retracted position, wherein the electrical cable is tracked by means of the cable tension
  • the method according to the invention achieves the same advantages as with the device or the tube arrangement. It is understood that all process features apply to the above-mentioned device or pipe arrangement and, conversely, all device features for the process.
  • FIGS. 1A to 1F will be described together below. It is shown a deep vibrator tube assembly 2 according to the invention for a vibrating or Fertigstopfvorraum.
  • a deep vibrator (not shown here) to be connected to the pipe arrangement 2 is introduced into the ground.
  • the tube assembly 2 or the associated deep vibrator is guided by a suitable device, such as an excavator, a crane or a caterpillar.
  • the deep vibrator has an electronically driven imbalance, which puts the vibrator in horizontal vibration.
  • the deep vibrator can in Shaped a form of Schleusenrüttlers be exits at the Ganttlerspitze at the additional material which flows through the pipe assembly.
  • a Fertigstopfvorraum be created by introducing a curable suspension, such as concrete, pile-like foundation elements in the ground, can be removed on the relatively high loads.
  • the foundation elements are made in the same way as in the jar-tamping process.
  • the methods mentioned can also be combined with each other.
  • the deep vibrator tube assembly 2 comprises a first tubular body 3, which is to be connected at least indirectly to the device (not shown here), and a second tubular body 4, which is to be connected at least indirectly with the deep vibrator (not shown here).
  • first connecting means 6, which are designed in the form of screw, without being limited thereto.
  • second connecting means 68 are provided, with which the tube assembly with the deep vibrator or an intermediate elastic coupling (not shown) can be connected.
  • the tube assembly is designed so that the first tube body 3 and the second tube body 4 are telescopically relative to each other and in at least two positions for the transmission of forces firmly connected to each other.
  • the FIGS. 1A to 1C show the tube assembly 2 in the retracted position, in which the tube assembly 2 has a short first length L1.
  • the present pipe arrangement is designed for use in connection with a lock vibrator.
  • the two tubular body 3, 4 each have a material pipe 8, 9, can flow through the material from the device to the lock vibrator, and a cable tube 10, 11 which is laterally adjacent to the respective material pipe 8, 9 and through which an electrical cable to Control and power supply of Schleusenrüttlers can be passed.
  • the device facing the first pipe body 3 in the the Deep vibrator facing the second tube body 4 is retracted.
  • the first tubular body 3 may also be referred to as inner tube and the second tubular body 4 as outer tube.
  • the material tube 8 and the cable tube 10 of the first tube body 3 each have smaller outer diameter than the corresponding inner diameter of the material tube 9 and the cable tube 11 of the second tube body 4th
  • the locking means 12 can be transferred to a release position in which the two tubular body 3, 4 are longitudinally displaceable relative to each other, and in a closing or locking position in which the two tubular body 3, 4 are firmly clamped together.
  • the locking means 12 are designed so that the first tubular body 3 and the second tubular body 4 are firmly connected to each other at least in a retracted first position with a short length L1 and in an extended second position with a greater length L2.
  • the locking means 12 comprise a plurality of locking units 13 which are arranged distributed over the circumference.
  • three circumferentially distributed locking units 13 are provided in a locking plane, wherein also a different number and other arrangement in several levels is conceivable.
  • Each locking unit 13 has a locking element 14 which is firmly clamped to the second tubular body 4, and a counter-identical receiving element 15 which is fixedly connected to the first tubular body 3.
  • the FIGS. 1B 1F and Fig. 1F show the locking means 12 in the closed position, in the inserted state of the pipe assembly 2.
  • the locking elements 14 in the clamped state positively and play-free engage in the associated receptacle 15, so that the two tubular body 3, 4 in this Connection area are firmly clamped together.
  • the locking elements 14 are designed bolt-shaped and each have a flange portion 16 which is radially supported on a support surface of the second tubular body 4, and a conical end portion 17 which passes through radial passage openings 24 in the tube wall of the outer tube 4 into the associated receptacle 15 of the inner tube 3 can engage.
  • the receiving elements 15 are cup-shaped and have a flange portion 18 which is radially supported relative to the inner tube 3 and an inner conical cup portion 19, in which the cone portion 17 of the locking element 14 can engage.
  • the receiving elements 15 are fixedly connected to the inner tube 3.
  • the inner tube 3 has a welded-ring section 20 with circumferentially distributed openings 21, in each of which an associated receiving element 15 is inserted and fixed.
  • the welded-in ring portion 20 has a greater wall thickness than the axially adjoining pipe sections.
  • a plurality of clamping bolts 22 are provided, which are screwed into an internal thread in the outer tube 4 and can be supported with a bolt head on the locking element 14.
  • release bolts 23 which are each screwed into an internal thread of the locking element 14 and which are supported with their end on a support surface of the outer tube 4, the locking elements 14 can be released again if necessary and removed from the receptacles 15.
  • the number of clamping bolts 22 is greater than the number of release bolts 23.
  • the inner tube 3 has two groups of receptacles 15, 15 ', namely a first group of receptacles 15 in a (upper) first end portion of the inner tube 3 and a second group of receptacles 15' in a (lower) second end portion of Inner tube 3.
  • the locking body 14 can be brought into engagement with the first receptacles 15.
  • the tube assembly 2 has a short first length L1 as in FIGS FIGS. 1A to 1C shown.
  • the locking body 14 After releasing the locking body 14 from the receptacles 15 of the first group of the first tube body 3 can be pulled out of the second tube body 4 until the joining plane of the outer tube 4 is arranged in axial overlap with the second group of receptacles 15 '. In this position, the locking body 14 can be inserted and clamped in the receptacles 15 'of the second group, wherein a larger second length L2 of the tube assembly is defined. It can be provided stops which a relative retraction movement or Extending movement of the two tubular body 3, 4 axially limited.
  • the stops are to be designed so that the joining plane of the outer tube 4 is in reaching the Einfahranschlags in the first joining plane of the inner tube 3 and upon reaching the Ausfahranschlags in the second joining plane of the inner tube 3. Covering the joining planes, the openings 24 for the locking bodies 14 are aligned with the respective receptacles 15, 15 '.
  • reinforcements 25, 25 'are provided above or in the area of the first and second joining planes of the inner tube 3, which protect the receiving elements 15, 15' from material flowing through the material tube 8.
  • the reinforcements 25, 25 'are each designed as rings connected to the inner tube, for example by means of welding, which are arranged axially above the respective annular section 20 or the associated receiving elements 15, 15' and cover these radially inwards. In this way, the receiving elements 15, 15 'are protected from the material to be introduced.
  • a first sealing arrangement 26 is provided, which seals the annular gap formed between the material pipes 8, 9.
  • the seal assembly 26 includes a plurality of ring seals 27 above and below the joint plane.
  • the ring seals 27 are arranged in an inner wall of the second material tube 9 and can be adjusted by a clamping mechanism.
  • the annular seals 26 are acted upon axially, so that the annular gap between the material pipes 8, 9 can be closed again when worn.
  • the seal assembly 65 has the function that prevents unwanted ingress of dirt into the annular gap and a pressure build-up within the tube assembly 2 is made possible to supply the connected to the tube assembly 2 Tiefenrüttler example, compressed air or water.
  • a sealing arrangement 28 is likewise provided, which seals the annular gap formed there.
  • the seal arrangement 28 comprises a plurality of ring seals 29, which are arranged between an outer wall of the first cable tube 8 and a sealing body 30.
  • the seal assemblies 25, 28 allow in addition to the sealing function a good sliding of the two tubular body 3, 4 relative to each other. Both seals 25, 28 are easily replaced and can be adjusted depending on the abrasion.
  • FIGS. 2A to 2D and 3A to 3D will be described together below. It is a Tiefenrüttelvoroplasty 32 invention shown in a first embodiment with a Tiefenrüttel tube assembly 2 according to the invention according to the FIGS. 1A to 1F ,
  • the present depth vibrator 32 is configured to perform the shaking method without, however, being limited thereto.
  • the device can equally be used for producing pile-like foundation elements.
  • the device 32 comprises a mobile device 33, which in the present case is designed in the form of a tracked device, without being limited thereto.
  • a support frame 34 is attached, which is also referred to as Telklermast.
  • the Switzerland knee crankmast 34 is pivotally relative to the device 33 by means of a power-operated actuator 35.
  • guide rails 36 are provided, on which a carriage 37 is movably guided.
  • the actual depth shaker 38 is attached.
  • the depth shaker 38 includes the tube assembly 2 and the depth shaker 39, which is connected to the tube assembly 2 via a flexible coupling 40.
  • a cantilever 41 is provided with a winch 42, with a container 43 along the Switzerlandklermast 34 is movable.
  • the container 43 can be filled with material, such as gravel, which then - in an elevated Switzerlandlermast, upper position - can flow from the container 43 into the upper end 6 of the tube assembly 2.
  • the material flows through the tube assembly 2 in the associated deep vibrator 39, at the tip 44 it exits into the ground.
  • a cable tensioning device 45 is provided, which as a detail in the FIGS. 3A to 3D is shown.
  • the cable tensioning device 45 is designed so that the electric cable 46 is always tensioned for the deep vibrator 39 when telescoping the first tubular body 3 relative to the second tubular body 4 and is tracked.
  • the cable tensioning device 45 is attached to the carriage 37 and can be moved together with this on the mast 34.
  • the cable tensioning device 45 comprises a support arm 47, on which a plurality of first guide rollers 48 are rotatably supported by bearings 49, and a relative to the support arm 47 height adjustable adjusting arm 50 with second pulleys 51.
  • the electrical cable 46 is at one end of the support arm 47 in a Clamping device 52 fixed, which as a detail in Figure 3D is shown, and guided over the first and second guide rollers 48, 51, from where the cable 46 opens into the upper opening of the first cable tube 10.
  • a weight 53 is fixed, whose mass is designed so that it counteracts the weight of the cable 46 to keep it stretched.
  • On the adjustment arm 50 further engages a safety cable 54, which is part of a load-securing device 55, which prevents a drop of the adjustment arm 50 when the cable 46 breaks.
  • FIG. 4A shows the device 32 in the starting position with located above the bottom edge 56 Tiefenrüttler 39.
  • the deep vibrator 39 is designed as a sluice, with the coarse-grained addition material for the preparation of a soil column can be introduced into the soil.
  • the deep vibrator 39 is introduced into the bottom 57 up to a first depth T1.
  • This condition is in FIG. 4B as in Figure 2C shown.
  • the depth T1 is reached when the locking means 12 are slightly above the bottom edge 56, so that they can be actuated by an operator.
  • the locking means 12 can be solved, which is accomplished by opening the clamping screws 22 and removing the locking elements 14 from the recesses 15.
  • the upper first tubular body 3 can be moved out by raising the carriage 37 from the lower second tubular body 4, wherein the second tubular body 4 and attached thereto Tiefenrüttler 39 due to their own weight in given Depth T1 remain in the bottom 57.
  • the Haittlervon 46 is automatically kept taut with the help of the cable tensioning device 45 and tracked.
  • the fully extended state of the tube assembly 2 is achieved when the lower second group of receiving elements 15 'of the inner tube 3 is in a plane with the openings 24 of the outer tube 4. After reaching this position, which in FIG. 4C and also in FIG. 2B is shown, the locking means 12 are closed, so that the two tubular bodies 3, 4 are fixed against each other.
  • the deep vibrator cable 46 is held tensioned and tracked with the aid of the tensioning device 52, the necessary tensile force corresponding to the generated cable friction in the cable ducts 10, 11 being applied by the adjustable counterweight 53.
  • the locking means 12 of the tube assembly 2 can be closed again, which is done by inserting and clamping the locking body 14.
  • the upper column section is created by stepwise pulling and shaking the Tiefenrüttlers 39 in the retracted state of the tube assembly 2.
  • the final state with completed column 58 is in FIG. 4G shown.
  • FIGS. 5A to 5C show a pipe assembly 2 according to the invention in a second embodiment.
  • the present pipe arrangement 2 largely corresponds to the pipe arrangement according to the FIGS. 1A to 1F , so that reference is made to the above description in terms of similarities.
  • the same, respectively corresponding details are provided with the same reference numerals as in the FIGS. 1A to 1F , In the following, particular attention is paid to the differences.
  • a first difference is that the tube assembly 2 according to the FIGS. 5A to 5C designed for use in a Rüttelbuchmaschine.
  • a Haittelbuchmaschine densification of coarse-grained soils by Tiefenrüttler takes place at a relatively low frequency.
  • the vibrator can be used hanging on a crane or excavator. Under the influence of the vibrations of the deep vibrator, the soil grains are brought into a denser storage, whereby a volume reduction of the soil occurs.
  • a material addition to the soil does not occur in Rüttel réellescope.
  • the first and the second tubular body 3, 4 also each have only one channel 10, 11, through which the Garttlertiv 46 is passed. A material pipe is not provided.
  • the locking units 13 each have a hydraulically actuable piston 59 which is seated radially movable in a cylinder 60 associated with the inner tube 3.
  • the piston-cylinder unit 59, 60 is designed double-acting, that is, by pressurizing a first cylinder chamber via a first hydraulic line 61, the associated piston 59 is acted upon radially outward, and by pressurizing a second cylinder chamber via a second hydraulic line 62 of the piston after moved radially inward.
  • a respective locking element 14 is fixed, by means of a screw, without being limited thereto.
  • a kinematic reversal is provided insofar as that the locking elements 14 are the inner tube 3 and the receptacles 15 associated with the outer tube 4.
  • the locking elements 14 are provided in a lower pipe section 63, which has a thickened wall opposite the adjoining pipe section 64, so that the piston-cylinder units 59, 60 can be accommodated here.
  • the two pipe sections 63, 64 are welded together.
  • an annular cover member 65 is screwed sealingly, which terminates end-side sections of the hydraulic channels.
  • the outer tube 4 has a first group of receptacles 15 at the lower end and a second group of receptacles 15 'at the upper end, wherein the two groups of receptacles 15, 15' form the retracted or extended position of the tube assembly 2.
  • the receptacles 15 of the first group are distributed over the circumference in two planes. In this case, three receptacles 15 are provided distributed over the circumference per locking level, wherein the Receivers 15 of the two locking levels are circumferentially offset from each other. The same applies to the receptacles 15 'of the second group, which represent the extended state of the tube assembly 2.
  • An advantage of the present hydraulic actuation embodiment is that the locking elements 14 can be actuated simultaneously, automated, whereby the shaking process can be performed quickly and efficiently.
  • FIGS. 6A to 6C and 7A to 7G will be described together below. It is a Tiefenrüttelvoroplasty 32 invention shown in a second embodiment with a Wegmanttel tube assembly 2 according to the invention according to the FIGS. 5A to 5C ,
  • the present depth vibrator 32 is configured to perform the vibrating pressure method.
  • the depth shaker 32 according to the FIGS. 6A to 6C and 7A to 7G largely corresponds to the above embodiment according to the Figures 2 and 3 , to the description of which reference is made. The same, respectively corresponding details are therefore provided with the same reference numerals as in the FIGS. 1 to 5 ,
  • the device 32 has a mobile device 33 in the form of a tracked device.
  • a Gurklermast 34 On a support arm of the tracked device a Switzerlandklermast 34 is fixed, which is pivotable relative to the device 33 by means of a power-actuated actuator 35.
  • guide rails 36 On the Switzerland, guide rails 36 are provided, on which a carriage 37 is movably guided.
  • the actual depth shaker 38 On the carriage, the actual depth shaker 38 is attached.
  • the depth shaker 38 comprises the tube assembly 2 according to FIGS FIGS. 5A to 5C and the deep vibrator 39, which is connected to the pipe assembly 2 via a flexible coupling 40.
  • no container is provided in the present case, as a material addition does not take place in the soil during the Rüttel Kunststoff Kunststoffe.
  • a cable tensioning device 45 holds the electric cable 46 for the deep vibrator 39 when telescoping the first tube body 3 relative to the second tube body 4 always curious and leads this after.
  • the cable tensioning device 45 holds the electric cable 46 for the deep vibrator 39 when telescoping the first tube body 3 relative to the second tube body 4 always curious and leads this after.
  • FIG. 7A shows the device 32 in the starting position with located above the bottom edge 56 Tiefenrüttler 39, which is designed as Druckrüttler.
  • the deep vibrator 39 is shaken into the ground 57 up to the first depth T1, the soil being compacted in this first section (FIG. FIG. 7B ).
  • the locking means 12 are released by hydraulic pressurization in the opening sense, and the upper first tubular body 3 is moved out by raising the carriage 37 from the lower second tubular body 4.
  • the Studttler strig 46 is held under tension using the cable tensioning device 45 and tracked.
  • the locking means 12 After reaching the upper end position ( FIG. 7C ), the locking means 12 are hydraulically closed again, so that the two tubular body 3, 4 are fixed together.
  • the pipe arrangements 2 according to the invention or the devices 32 equipped therewith have the advantage that it is possible to produce columns whose depth is greater than the space available above the floor edge 56 or the height H of the device 32. It is likewise possible to with the same depth of insertion, smaller devices 32 to use.
  • Another advantage of the variable-length tube assembly 2 is that the transport length can be reduced.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Catching Or Destruction (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Claims (15)

  1. Agencement de tuyaux (2) pour vibrofonceur pour relier un vibrofonceur (39) à un appareil (33), comprenant :
    un premier corps de tuyau (3) qui peut être relié à l'appareil (33) ;
    un second corps de tuyau (4) qui peut être relié au vibrofonceur (39) ;
    caractérisé en ce que
    le premier corps de tuyau (3) et le second corps de tuyau (4) sont télescopiques l'un par rapport à l'autre.
  2. Agencement de tuyaux (2) pour vibrofonceur selon la revendication 1,
    caractérisé en ce
    que des moyens de verrouillage (12) sont prévus avec lesquels le premier corps de tuyau (3) et le second corps de tuyau (4) peuvent être liés entre eux de façon séparable au moins dans une position rentrée et une position sortie.
  3. Agencement de tuyaux (2) pour vibrofonceur selon la revendication 2,
    caractérisé en ce
    que les moyens de verrouillage (12) comprennent plusieurs unités de verrouillage (13) qui sont agencées réparties sur le pourtour.
  4. Agencement de tuyaux (2) pour vibrofonceur selon la revendication 3,
    caractérisé en ce
    que des premières unités de verrouillage (13) sont agencées dans un premier plan et des secondes unités de verrouillage (13) sont agencées dans un second plan, dans lequel le premier plan et le second plan présentent un écart axial entre eux.
  5. Agencement de tuyaux (2) pour vibrofonceur selon la revendication 3 ou 4,
    caractérisé en ce
    que les unités de verrouillage (13) présentent chacune un élément de verrouillage (14) et une réception réciproque (15, 15'), dans lequel l'élément de verrouillage (14) correspond à un des deux corps de tuyau (3, 4) et la réception (15, 15') correspond à l'autre des deux corps de tuyau (4, 3), et dans lequel l'élément de verrouillage (14) peut être mis en prise avec la réception (15, 15') correspondante par un décalage radial.
  6. Agencement de tuyaux (2) pour vibrofonceur selon la revendication 5,
    caractérisé en ce
    que les éléments de verrouillage (14) sont appuyés sur le corps de tuyau (3, 4) correspondant par des boulons de serrage (22) et mobiles radialement, dans lequel les éléments de verrouillage (14), dans l'état serré, se mettent en prise dans la réception (15, 15') respective de l'autre corps de tuyau (4, 3), de sorte que le premier corps de tuyau (3) et le second corps de tuyau (4) sont liés fixement entre eux.
  7. Agencement de tuyaux (2) pour vibrofonceur selon la revendication 5,
    caractérisé en ce
    que les éléments de verrouillage (14) sont appuyés sur le corps de tuyau (3, 4) correspondant par un piston (59) et sont mobiles radialement par l'alimentation en pression hydraulique du piston (59), dans lequel les éléments de verrouillage (14), dans l'état serré, se mettent en prise dans les éléments de réception (15, 15') respectifs de l'autre corps de tuyau (4, 3), de sorte que le premier corps de tuyau (3) et le second corps de tuyau (4) sont liés fixement entre eux.
  8. Agencement de tuyaux (2) pour vibrofonceur selon l'une des revendications 1 à 7,
    caractérisé en ce
    qu'un agencement de joint (26, 28) est prévu entre le premier corps de tuyau (3) et le second corps de tuyau (4), lequel étanchéifie la fente annulaire entre le premier corps de tuyau (3) et le second corps de tuyau (4).
  9. Agencement de tuyaux (2) pour vibrofonceur selon l'une des revendications 1 à 8,
    caractérisé en ce
    que le premier corps de tuyau (3) et le second corps de tuyau (4) sont conçus pour l'utilisation pour un vibrateur d'écluse et comprennent respectivement un tuyau de matière (8, 9) à travers lequel de la matière de compactage du sol peut s'écouler, ainsi qu'un tube à câbles (10, 11) qui est disposé dans le voisinage latéral du tuyau de matière et à travers lequel un câble électrique (46) pour le vibrateur d'écluse peut être conduit.
  10. Agencement de tuyaux (2) pour vibrofonceur selon la revendication 9,
    caractérisé en ce
    qu'une armature (25) est prévue sur une paroi intérieure du tuyau de matière (8, 9) au niveau des unités de verrouillage (13), laquelle protège l'unité de verrouillage (13) de la matière qui traverse.
  11. Agencement de tuyaux (2) pour vibrofonceur selon l'une des revendications 1 à 8,
    caractérisé en ce
    que le premier corps de tuyau (3) et le second corps de tuyau (4) sont conçus pour l'utilisation pour un vibrocompacteur presseur et présentent respectivement un canal intérieur à travers lequel un câble électrique (46) pour le vibrocompacteur presseur peut être conduit.
  12. Dispositif (32) pour le vibrofonçage, comprenant :
    un appareil (33) avec un mât (34),
    un agencement de tuyaux (2) pour vibrofonceur selon l'une des revendications 1 à 11 qui est maintenu réglable en hauteur sur le mât (34),
    un vibrofonceur (39) qui est fixé sur une extrémité inférieure (7) de l'agencement de tuyaux (2) pour vibrofonceur,
    un dispositif de serrage de câbles (45) qui est conçu de telle façon que le câble électrique (46) pour le vibrofonceur (39) est guidé dans l'état serré lorsque le premier corps de tuyau (3) est télescopé par rapport au second corps de tuyau (4).
  13. Dispositif (32) selon la revendication 12,
    caractérisé en ce que le dispositif de serrage de câbles (45) est maintenu sur le mât (34) et comprend plusieurs poulies de renvoi (48, 51) sur lesquelles le câble électrique (46) est dirigé, ainsi qu'un poids (53) qui agit sur au moins une des poulies de renvoi (51) pour tendre le câble (46).
  14. Dispositif (32) selon la revendication 12 ou 13,
    caractérisé en ce qu'un chariot (37) est prévu, lequel est maintenu réglable en hauteur sur le mât (34), dans lequel l'agencement de tuyaux (2) pour vibrofonceur et le dispositif de serrage de câbles (45) sont fixés sur le chariot (37).
  15. Procédé de vibrofonçage pour fabriquer des colonnes dans le sol comprenant un dispositif selon l'une des revendications 12 à 14, comprenant les étapes :
    de rentrée du vibrofonceur (39) dans le sol lorsque l'agencement de tuyaux (2) est rentré, jusqu'à une première profondeur (T1) ;
    de séparation des moyens de verrouillage (12) actifs entre le premier corps de tuyau (3) et le second corps de tuyau (4) ;
    de sortie de l'agencement de tuyaux (2) de la position rentrée à la position sortie, dans lequel le câble électrique (46) est guidé au moyen du dispositif de serrage de câbles (45) ;
    de fermeture des moyens de verrouillage (12) de sorte que le premier corps de tuyau (3) et le second corps de tuyau (4) soient liés fixement axialement entre eux dans la position sortie ;
    de rentrée du vibrofonceur (39) dans le sol lorsque l'agencement de tuyaux (2) est sorti jusqu'à une seconde profondeur (T2) qui est plus grande que la première profondeur (T1) ;
    de montage d'un premier tronçon de colonne dans le sol en tirant le vibrofonceur (39) lorsque l'agencement de tuyaux (2) est sorti ;
    de séparation des moyens de verrouillage (12) actifs entre le premier corps de tuyau (3) et le second corps de tuyau (4) dans la position sortie ;
    de rentrée de l'agencement de tuyaux (2) de la position sortie à une position rentrée, dans lequel le câble électrique (46) est guidé au moyen du dispositif de serrage de câbles (45) ;
    de fermeture des moyens de verrouillage (12) de sorte que le premier corps de tuyau (3) et le second corps de tuyau (4) soient liés fixement axialement entre eux dans la position rentrée ;
    de montage d'un second tronçon de colonne au-dessus du premier tronçon de colonne en tirant le vibrofonceur (39) lorsque l'agencement de tuyaux (2) est rentré.
EP14728918.5A 2014-06-03 2014-06-03 Vibrofonceur Active EP3152366B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14728918T PL3152366T3 (pl) 2014-06-03 2014-06-03 Układ rur wibratora wgłębnego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/061520 WO2015185121A1 (fr) 2014-06-03 2014-06-03 Agencement de tube de vibreur en profondeur

Publications (2)

Publication Number Publication Date
EP3152366A1 EP3152366A1 (fr) 2017-04-12
EP3152366B1 true EP3152366B1 (fr) 2018-05-02

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ID=50897591

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Application Number Title Priority Date Filing Date
EP14728918.5A Active EP3152366B1 (fr) 2014-06-03 2014-06-03 Vibrofonceur

Country Status (6)

Country Link
EP (1) EP3152366B1 (fr)
ES (1) ES2673580T3 (fr)
MX (1) MX2016015813A (fr)
PL (1) PL3152366T3 (fr)
SG (1) SG11201610037QA (fr)
WO (1) WO2015185121A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016113140A1 (de) * 2016-07-15 2018-01-18 Alexander Degen Rüttleranordnung zum Herstellen von Stopfsäulen
CN110284488B (zh) * 2019-07-16 2020-11-24 中国港湾工程有限责任公司 振冲碎石桩机的伸缩机构
EP4098803A1 (fr) * 2021-05-31 2022-12-07 ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH Lance de bourrage vibrante et procédé d'équipement d'un mât d'une lance de bourrage vibrante
CN115284329A (zh) * 2022-08-15 2022-11-04 中国建筑第四工程局有限公司 一种可伸缩旋转的振捣机械臂及其运行工艺

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Publication number Priority date Publication date Assignee Title
DE19707687C1 (de) * 1997-02-26 1998-10-15 Wilhelm Dr Degen Vorrichtung zum Herstellen von Materialsäulen im Boden
DE10145288B4 (de) * 2001-09-14 2006-01-19 Keller Grundbau Gmbh Verfahren zur Herstellung von Stopfsäulen

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Also Published As

Publication number Publication date
MX2016015813A (es) 2017-06-28
EP3152366A1 (fr) 2017-04-12
PL3152366T3 (pl) 2018-10-31
WO2015185121A1 (fr) 2015-12-10
SG11201610037QA (en) 2017-01-27
ES2673580T3 (es) 2018-06-22

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