EP3613903A1 - Procédé de surveillance des charges structurelles d'une machine support pourvue d'appareil de forage et de battage ainsi que machine de travail pourvue d'appareil de battage et de forage - Google Patents

Procédé de surveillance des charges structurelles d'une machine support pourvue d'appareil de forage et de battage ainsi que machine de travail pourvue d'appareil de battage et de forage Download PDF

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Publication number
EP3613903A1
EP3613903A1 EP19188296.8A EP19188296A EP3613903A1 EP 3613903 A1 EP3613903 A1 EP 3613903A1 EP 19188296 A EP19188296 A EP 19188296A EP 3613903 A1 EP3613903 A1 EP 3613903A1
Authority
EP
European Patent Office
Prior art keywords
machine
drilling
leader
carrier
ramming
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.)
Granted
Application number
EP19188296.8A
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German (de)
English (en)
Other versions
EP3613903B1 (fr
Inventor
Alfred Koller
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.)
Liebherr Werk Nenzing GmbH
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Liebherr Werk Nenzing GmbH
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D11/00—Methods or apparatus specially adapted for both placing and removing sheet pile bulkheads, piles, or mould-pipes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/06—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers for observation while placing
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • E02D7/06—Power-driven drivers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/26—Placing by using several means simultaneously

Definitions

  • the invention relates to a method for monitoring the structural loading of a carrier machine with a drilling and ramming device, which is received on a leader of the carrier machine.
  • Work machines of this type with a drilling and ramming device comprise a carrier device with a running gear, which receives a superstructure, which may be rotatably mounted.
  • the superstructure in turn sees a leader to pick up the required drilling or. Piling device before.
  • the vertical inclination of the leader can be varied using the support cylinder or neck cylinder.
  • the drill is actuated in particular when Kelly drilling with a cable and a telescopic Kelly bar.
  • Such drilling and ramming devices are designed and dimensioned for defined work processes. When used correctly with predefined workflows, the permissible loads on the device structure and its sub-components are usually observed.
  • a control of the carrier machine or the drilling or piling device taking into account the known device configuration and one or more status values the current structural load (hereinafter simply "load") of the entire machine, the carrier device and / or the drilling and piling device and / or dynamically calculated at least one sub-component.
  • the structure of the machine generally means all load-bearing elements of the machine.
  • the controller knows the maximum permissible load values and can use it to determine at least one standard or target value or at least one limit value for a measurable variable. Corresponding measured values are then monitored against this at least one target / benchmark or limit value in order to prevent an inadmissible overloading of the machine or certain subcomponents at an early stage and to be able to record reliably.
  • the actual or measured values can be recorded directly by suitable sensors or can be calculated indirectly from sensor values.
  • the dynamic calculation of one or more limit values takes into account the current or equipped machine geometry, including, among other things, the dimensions of the machine and the installed and assembled individual components, their weight and material properties, the set leader length, the selected ballasting, etc.
  • the dynamics of the permissible load are essentially based on the dynamic change in the machine condition during regular drilling and ramming work, so the current phase of the usual workflow has an influence on the current load on individual subcomponents.
  • Possible status values are the positions of moving components, such as the broker position, cable pull of a drilling rope, in particular a Kelly winch, the status of individual drives, e.g. the drilling drive, a chassis, etc.
  • a maximum force acting on a subcomponent can be determined as a possible limit value.
  • a maximum force that acts on a cylinder A dynamic, ie application and situation-dependent calculation of the maximum permissible force on at least one support cylinder or neck cylinder, which is necessary for aligning the leader, is conceivable here.
  • the leader inclination with respect to the vertical can be adjusted by such a support cylinder.
  • Possible maximum forces can also be calculated for the basic arm cylinder (s), a leader support foot, etc.
  • maximum forces for cylinders it is not only possible to calculate maximum forces for cylinders; a maximum force that may act on at least one connection point could also be calculated as a possible limit value for the maximum permissible load.
  • a possible connection point to be considered is, for example, a connecting bolt for fastening the leader to the carrier machine. The corresponding actual forces within the cylinders or the at least one connection point are then sensed during the work processes and compared with corresponding limit values in order to be able to reliably identify possible structural overloads of the machine or individual subcomponents.
  • the necessary information regarding the device configuration can preferably be entered manually by the operator. Manual entry is simplified by fully or partially automatic sensory recording of the device configuration.
  • the monitoring result i.e. the comparison between target, limit and actual values of an operator is displayed.
  • a visual, acoustic or visual representation is conceivable here to notify the operator of inadmissible deviations / exceedances. Going beyond the mere display of the monitoring result, you can also actively add to the workflow, i.e. the machine control can be intervened, for example to avoid serious structural damage caused by overload situations. For example. one or more drives can be stopped as soon as an impermissible load condition is detected. It is also conceivable to perform targeted counter-movements in order to return the load to the permissible range. Furthermore, it is possible to block only a part of possible degrees of freedom of movement, in particular those that would lead to a further increase in the monitored degree of stress.
  • the monitoring result can also be stored for later retrieval. Ideally, it is saved together with the machine's state values or immediately Machine movements previously carried out in order to provide better evaluation options for evaluating the reasons for the accident or damage afterwards, for example in the event of machine damage or accident situations.
  • the method according to the invention also makes it possible to imagine monitoring functions which do not require any additional sensors in the case of a corresponding piling or drilling device.
  • a lowering feed leads to an increase in the load on the Kelly winch because the BAT moves against the locked Kelly bar.
  • Such a situation can also be determined and monitored from existing state values of the drives without sensors.
  • the present invention also relates to a working machine with at least one drilling and ramming device.
  • the work machine comprises a controller for carrying out the method according to the invention. Accordingly, the same advantages and properties result for the working machine as have already been shown above with the aid of the method according to the invention. A repetitive description can therefore be dispensed with.
  • the Figures 1-3 as well as the Figures 5-7 show the working machine according to the invention with drilling and ramming device for Kelly drilling.
  • the carrier machine comprises a crawler chassis 1 on which the superstructure 2 is rotatably mounted.
  • leader 3 is mounted for receiving the drilling and ramming device.
  • the leader 3 can be raised via the adjustment mechanism 4 from a transport position into the vertical position shown for drilling and ramming operations, the leader inclination to the vertical can be varied via the support cylinders 5, which act on the adjustment device 4 or on the leader 3.
  • the drill 9 shown here is set in rotation via the drill drive 10, which in turn is seated on a slide of the telescopic Kelly rod 6.
  • a drill pipe 10 (s. Figures 2 . 3 ) are included.
  • the Kelly linkage 6 is actuated by the Kelly rope 8, which is guided from the Kelly linkage 6 via the Kelly gallows on the head of the leader 3 to the Kelly winch 13.
  • the drill 9 can be lowered into the ground via the Kelly rope 8 and the Kelly rod 6 according to the drilling progress.
  • permissible load values of the machine or individual subcomponents are now calculated and subsequently used as target or limit values for the monitoring.
  • the existing data on the set-up status and the machine geometry i.e. type and type of drilling and ramming device, including information on the current leader length, the ballast 11, as well as any status values, e.g. status of the undercarriage drive, upper carriage rotation angle, cable pull in the Kelly cable 8, position and position of leader 3, status of the drill drive, etc. determines the currently permissible load on sub-components of the working machine, including the maximum load for drill pipe 6, leader 3, etc.
  • a maximum permissible force that may act on or in the support cylinders 5 can also be derived from this. By monitoring this maximum permissible force within the support cylinder 5, which can be done by comparing it with the sensor-detected actual force in the cylinder 5, a possible overloading of the drill pipe 6 or leader 3 can be detected at an early stage.
  • Figure 1 a situation of the drilling and ramming device, in which a permissible load on the drill pipe 6 leads to a permissible load in the support cylinders 5.
  • a permissible load on the drill pipe 6 leads to a permissible load in the support cylinders 5.
  • the measured force within the support cylinders 5 being allowed to deviate only slightly from this standard or limit value.
  • the drill pipe 10 is now brought into the ground.
  • a permissible load on the drilling drive 10 can be monitored based on the force within the support cylinder 5.
  • a maximum force for the support cylinders 5 was calculated dynamically for the current work phase, namely for the insertion of the drill pipe 12 into the ground.
  • FIG. 4 shows for better understanding the cut leader 3 including the drill drive 10 and pressure pipe 14.
  • the sum of these masses of leader 3 generate the force F 1 .
  • These masses are known to the device control of the carrier machine, so that the control can calculate the force F 1 .
  • the controller can determine the overall center of gravity S of these masses and also calculate the distance of the center of gravity from the fulcrum 15, the fulcrum 15 being the connection point between Leader 3 and adjusting device 4 is formed. This distance is designated l 1 .
  • FIG. 5 shows the same situation according to Figure 4 with the leader attached to the carrier machine 3.
  • FIG. 6 shows the load-bearing behavior when trying to pull the tube 9 out of the ground.
  • the force F 2 acting on the drill drive 10 can be determined via the cable pull measurement of the feed winch installed in the device.
  • the distance of the line of action of this force F 2 to the fulcrum 15 is dimensioned with l 2 .
  • F 3 also generates a moment about the pivot point 15, which changes the force F R.
  • This deviation of the measured force from the calculated one Force can be determined and serves as an indicator of a possible overload of the machine or the support cylinder 5. If the detected deviation exceeds a limit value, suitable countermeasures can be taken by the machine control.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
EP19188296.8A 2018-07-31 2019-07-25 Procédé de surveillance des charges structurelles d'une machine support pourvue d'appareil de forage et de battage ainsi que machine de travail pourvue d'appareil de battage et de forage Active EP3613903B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018118561.8A DE102018118561A1 (de) 2018-07-31 2018-07-31 Verfahren zur Überwachung einer Trägermaschine mit Bohr- und Rammgerät sowie Arbeitsmaschine mit Ramm- und Bohrgerät

Publications (2)

Publication Number Publication Date
EP3613903A1 true EP3613903A1 (fr) 2020-02-26
EP3613903B1 EP3613903B1 (fr) 2022-06-15

Family

ID=67438860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19188296.8A Active EP3613903B1 (fr) 2018-07-31 2019-07-25 Procédé de surveillance des charges structurelles d'une machine support pourvue d'appareil de forage et de battage ainsi que machine de travail pourvue d'appareil de battage et de forage

Country Status (2)

Country Link
EP (1) EP3613903B1 (fr)
DE (1) DE102018118561A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000025255A1 (it) * 2020-10-26 2022-04-26 Soilmec Spa Macchina da fondazioni e metodo per il controllo di tale macchina
EP4063567A1 (fr) * 2021-03-25 2022-09-28 BAUER Spezialtiefbau GmbH Procédé de construction et agencement permettant de mettre en oevre un projet de construction

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1862636A1 (fr) * 2006-06-02 2007-12-05 BAUER Maschinen GmbH Engin de travaux publics, specialement un dispositif de forage
EP2378053A1 (fr) * 2010-04-16 2011-10-19 BAUER Maschinen GmbH Engin doté d'une unité de calcul pour déterminer une zone de réglage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8912027U1 (fr) 1989-10-10 1989-11-23 Wirth Maschinen- Und Bohrgeraete-Fabrik Gmbh, 5140 Erkelenz, De
DE102015003177A1 (de) 2015-03-12 2016-09-15 Liebherr-Werk Nenzing Gmbh Verfahren zum Betrieb einer mobilen Arbeitsmaschine mit Bodendruckbegrenzung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1862636A1 (fr) * 2006-06-02 2007-12-05 BAUER Maschinen GmbH Engin de travaux publics, specialement un dispositif de forage
EP2378053A1 (fr) * 2010-04-16 2011-10-19 BAUER Maschinen GmbH Engin doté d'une unité de calcul pour déterminer une zone de réglage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000025255A1 (it) * 2020-10-26 2022-04-26 Soilmec Spa Macchina da fondazioni e metodo per il controllo di tale macchina
WO2022090886A1 (fr) * 2020-10-26 2022-05-05 Soilmec Spa Engin de construction de fondations et procédé de commande dudit engin
EP4063567A1 (fr) * 2021-03-25 2022-09-28 BAUER Spezialtiefbau GmbH Procédé de construction et agencement permettant de mettre en oevre un projet de construction
WO2022200098A1 (fr) * 2021-03-25 2022-09-29 Bauer Spezialtiefbau Gmbh Procédé de construction et système pour réaliser un projet de construction

Also Published As

Publication number Publication date
DE102018118561A1 (de) 2020-02-06
EP3613903B1 (fr) 2022-06-15

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