EP3417951A1 - Dispositif et procédé de production d'impulsions de chocs ou de vibrations pour un engin de chantier - Google Patents

Dispositif et procédé de production d'impulsions de chocs ou de vibrations pour un engin de chantier Download PDF

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Publication number
EP3417951A1
EP3417951A1 EP17176586.0A EP17176586A EP3417951A1 EP 3417951 A1 EP3417951 A1 EP 3417951A1 EP 17176586 A EP17176586 A EP 17176586A EP 3417951 A1 EP3417951 A1 EP 3417951A1
Authority
EP
European Patent Office
Prior art keywords
piston
working space
control unit
construction machine
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.)
Granted
Application number
EP17176586.0A
Other languages
German (de)
English (en)
Other versions
EP3417951B1 (fr
Inventor
Markus MERZHÄUSER
Tobias Moscaritolo
Henrik Uelhoff
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.)
Eurodrill GmbH
Original Assignee
Eurodrill GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DK17176586.0T priority Critical patent/DK3417951T3/da
Application filed by Eurodrill GmbH filed Critical Eurodrill GmbH
Priority to ES17176586T priority patent/ES2922006T3/es
Priority to EP17176586.0A priority patent/EP3417951B1/fr
Priority to PT171765860T priority patent/PT3417951T/pt
Priority to CA3005244A priority patent/CA3005244C/fr
Priority to US15/984,043 priority patent/US10730075B2/en
Priority to JP2018115130A priority patent/JP6676104B2/ja
Priority to KR1020180069600A priority patent/KR102090038B1/ko
Priority to CN201810628094.5A priority patent/CN109127346B/zh
Publication of EP3417951A1 publication Critical patent/EP3417951A1/fr
Application granted granted Critical
Publication of EP3417951B1 publication Critical patent/EP3417951B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
    • B06B1/183—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid operating with reciprocating masses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
    • 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
    • E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
    • 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
    • E02D7/18—Placing by vibrating
    • 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
    • E21B1/00—Percussion 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
    • E21B1/00—Percussion drilling
    • E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
    • E21B1/04—Devices for reversing the movement of the rod or cable at the surface
    • 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
    • E21B1/00—Percussion drilling
    • E21B1/12—Percussion drilling with a reciprocating impulse member
    • E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
    • E21B1/26—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by liquid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/40—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups with testing, calibrating, safety devices, built-in protection, construction details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • B06B2201/73—Drilling

Definitions

  • the invention relates to a device for generating impact pulses or vibrations for a construction machine, comprising a housing, a piston which is reversibly movable in a working space in the housing between a first turning point and a second turning point, and a pressurized fluid supply through which In the region of the first reversal point and the second reversal point, respectively, pressure fluid can be introduced and diverted into the working space, wherein the piston can be displaced into the reversing motion in order to generate the impact pulses or the oscillations, according to the preamble of claim 1.
  • the invention further relates to a method for generating impact pulses or vibrations for a construction machine in which a piston in a working space in a housing is reciprocally moved between a first turning point and a second turning point, wherein for generating the impact pulses or the vibrations of the Piston is offset by means of a pressurized fluid in a reversing motion and the pressure fluid in the region of the first turning point and the second turning point in the working space and is discharged, according to the preamble of claim 12th
  • a generic vibrator is from the EP 1 728 564 B1 known.
  • the working space in the housing is divided by a working piston into two pressure chambers.
  • the two pressure chambers are targeted via an inlet and an outlet with a pressurized fluid alternately supplied or disposed of, so that the working piston moves reversing and generates a vibration.
  • the timed supply and disposal of pressurized fluid in the individual pressure chambers via a complex channel arrangement in the working piston.
  • a control piston slidably mounted which can change its position relative to the working piston by projecting at the end faces of the housing attacks to release certain channels or block.
  • the supply and disposal of pressurized fluid is thus achieved by mechanical means, wherein upon reaching certain switching points through the predetermined channels, a changeover of the pressurized fluid supply and disposal takes place.
  • Comparable mechanical control devices in vibration generators go from the GB-A-920.158 . US-A-4,026,193 or the US-A-4,031,812 out. All of these known devices have a working piston and a control piston, which open or close certain channels depending on the respective position in the housing, whereby a targeted alternately supplying the two opposite pressure chambers for moving the working piston is effected.
  • the invention has for its object to provide a device and a method for generating impact pulses or vibrations, with which increased flexibility in setting and changing the impact or vibration behavior can be achieved.
  • the device according to the invention is characterized in that a measuring device is provided for determining a position of the piston in the working space, that at least one controllable valve is arranged, through which the pressure fluid in the working space and / or is diverted, and that a control unit provided is, which is in communication with the measuring device and the at least one controllable valve, wherein the movement of the piston in the working space is controllable and changeable by the control unit.
  • a basic idea of the invention is to depart from a hitherto complex mechanical control of the piston in the working space and to provide an electrical or electronic control unit for this purpose.
  • at least one measuring device is provided for determining the position of the piston in the working space.
  • the measuring device can deliver signals to position data of the piston continuously or within predetermined short time intervals. These signals or data are received by the control unit and processed in accordance with a predetermined control logic, wherein control signals or control data for one or more controllable valves are generated.
  • pressurized fluid can be introduced and discharged in the working space in a targeted manner.
  • valve is a solenoid valve.
  • the valve body can be adjusted by an electromagnetic arrangement between an open and a closed position. In this case, intermediate positions can be adjusted so that adjust the supply amount of pressurized fluid in the working space leaves.
  • any pressurized fluid can be provided, wherein preferably hydraulic oil is used.
  • the measuring device can also be provided with all usable sensors for measuring length or position, which in particular operate optically, capacitively, inductively, magnetically or in any other way.
  • the measuring device it is particularly advantageous for the measuring device to have a linear sensor. This is particularly useful when the piston is moved in the housing linearly between the two reversal points.
  • a preferred embodiment of the invention consists in that the measuring device has an elongated first measuring component which extends into the working space and into a free space in the piston.
  • the measuring component is not arranged behind a wall of the housing, but directly in the working space in which the piston moves.
  • the elongate first measuring component protrudes into a corresponding free space in the piston, the piston preferably sliding along the first measuring component in a non-contact manner.
  • a second measuring component in particular a magnet is arranged in the free space of the piston.
  • the two measuring components act together in such a way that a very exact position determination of the second measuring component and thus of the piston relative to the first measuring component and thus relative to the working space and the housing can be determined.
  • the first sensing component may include a coil in which the magnet induces a current of, for example, 4 to 20 mA as a measure of the position of the piston.
  • the piston can be reversibly moved in the housing such that the piston does not touch the housing wall with its two end faces.
  • the device can be used as a so-called vibration generator.
  • An advantageous embodiment of the invention is that at least one reversal point a striking surface is arranged, on which the piston hits targeted for generating a shock pulse.
  • a striking surface can be arranged on both opposite end faces of the piston on the housing. However, only a single impact surface is preferred, so that targeted impact pulses are generated, as they are desired for a percussion drilling.
  • a frequency and / or a stroke of the piston are adjustable and adjustable by the control unit.
  • the control unit preferably has an input interface, for example an input field.
  • the control unit can be actuated directly by a conventional machine control of an operating unit by an operator.
  • control unit has a program memory in which various control programs for controlling the piston can be stored.
  • various control programs for controlling the piston can be stored.
  • special control programs can be deposited for certain purposes.
  • a high frequency may be provided with a small piston stroke, while in the course of the program the piston stroke then increases over time and reduces a frequency.
  • program sequences for controlling the piston in terms of frequency and stroke are provided.
  • a program for a quick advance or a particularly gentle driving can be provided.
  • programs for special types of soil can be deposited.
  • the invention comprises a construction machine, which is characterized in that the device described above for generating impact pulses or vibrations is arranged.
  • the construction machine may be provided for civil engineering.
  • the construction machine is an earth boring device. If the device is provided for generating impact pulses, a percussion drilling can be performed. This is particularly advantageous when penetrating harder rock layers.
  • the device can also be designed free of impact contacts for generating vibrations. In a Erdbohr réelle with a rotary driven drilling tool so a so-called overlay drilling can be performed in particular. The rotational movement of the drilling tool is superimposed by a vibration or vibration movement. By superimposed vibrations, a quasi liquefaction of the soil can be achieved, at least in the area of contact with the drilling tool, which leads to an improved drilling progress.
  • the construction machine is a ram or a jogger.
  • rams or vibrators can be used for the introduction of steel beams, piles or sheet piles, which are driven into the ground by impact pulses or by vibrations.
  • the inventive method is characterized in that the position of the piston is detected by a measuring device and that a control unit controls depending on the detected position of the piston at least one controllable valve, by which pressurized fluid into the working space and / or discharged, wherein the control unit controls the movement of the piston.
  • the inventive method can be carried out in particular with the device described above. This results in the advantages described above.
  • a device 10 which is designed to generate impact pulses.
  • the device 10 has a housing 12 with a cylindrical working space 14, in which an approximately cylindrical piston 20 is reversibly mounted linearly movable between two reversal points.
  • the piston 20 is fluid-tightly mounted in the housing 12 and, as shown in the embodiment, protrude with one side of the housing 12.
  • the piston 20 With a free end face 24, the piston 20 impinges on a corresponding striking surface 18, which may be, for example, an insertion end of a drill drive shaft.
  • a first opening 15 for a first supply line 31 of a pressurized fluid supply 30 is provided on the housing 12.
  • the working space 14 is connected through a second opening 16 to a second supply line 32 of the pressurized fluid supply 30.
  • a controllable valve 36 which is formed in the illustrated embodiment as a 2/4-way valve, the two openings 15, 16 are alternately connected to a hydraulic pressure source P and a non-pressurized disposal tank T.
  • two opposite pressure chambers in the working space 14 are each alternately filled with pressurized fluid and emptied of the pressurized fluid.
  • the piston 20 is set in a desired reversing movement in the housing 12.
  • a measuring device 40 with a first elongated measuring component 42 is provided on the housing 12.
  • the first measuring component 42 has a rod-like construction and extends into the working space 14 and into a free space 22 in the piston 20 arranged corresponding thereto.
  • An annular magnet is arranged as a second measuring component 44 in a lower area on the free space 22.
  • the second measuring component 44 is fixedly connected to the movable piston 20, while the elongated first measuring component 42 is fixedly attached to the housing 12.
  • the measuring device 40 is designed approximately as an inductive linear sensor, which determines exactly the position of the second measuring component 44 and thus of the piston 20 with respect to the elongated first measuring component 42 and thus the position of the piston 20 in the working space 14.
  • the measuring device 40 is connected via a line connection 52 to a control unit 50, wherein analog signals or digital data are transmitted to the current position of the piston 20 in the working space 14.
  • the controllable valve 36 is controlled by electromagnetic elements 37, so that approximately the first supply line 31 to the non-pressurized tank T and the second supply line 32 is connected to the pressure source P, as in the drawing is shown.
  • the pressure source P can then be connected to the first supply line 31, while the tank T is connected to the second supply line 32.
  • the lower region of the working chamber 14 is then emptied of pressurized fluid, while at the same time an upper portion of the working space 14 is filled with pressurized fluid, the piston 20 then moves from the upper first turning point down to the lower second turning point. If the measuring device 14 determines that a triggering point of the piston 20 has been reached in the housing 12, then the valve 36 can be switched again by the control unit 50 so that a change in direction is effected by actuating the electromagnetic elements 37 of the controllable valve 36 via the control lines 54 becomes.
  • the frequency of the piston 20 and the stroke of the piston 20 between the two reversal points can be easily changed and adjusted.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
EP17176586.0A 2017-06-19 2017-06-19 Dispositif et procédé de production d'impulsions de chocs ou de vibrations pour un engin de chantier Active EP3417951B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
ES17176586T ES2922006T3 (es) 2017-06-19 2017-06-19 Dispositivo y procedimiento para generar impulsos de impacto o vibraciones para una máquina de construcción
EP17176586.0A EP3417951B1 (fr) 2017-06-19 2017-06-19 Dispositif et procédé de production d'impulsions de chocs ou de vibrations pour un engin de chantier
PT171765860T PT3417951T (pt) 2017-06-19 2017-06-19 Dispositivo e método para a produção de impulsos de impacto ou vibrações para uma máquina de construção
DK17176586.0T DK3417951T3 (da) 2017-06-19 2017-06-19 Anordning og fremgangsmåde til generering af slagimpulser eller svingninger til en byggemaskine
CA3005244A CA3005244C (fr) 2017-06-19 2018-05-18 Dispositif et methode de generation d'impulsions percussives ou de vibrations destines a une machine de construction
US15/984,043 US10730075B2 (en) 2017-06-19 2018-05-18 Device and method for generating percussive pulses or vibrations for a construction machine
JP2018115130A JP6676104B2 (ja) 2017-06-19 2018-06-18 建設機械用の、衝撃パルスまたは振動を生成する装置および方法
KR1020180069600A KR102090038B1 (ko) 2017-06-19 2018-06-18 건설 기계용 타격 펄스 또는 진동을 발생 장치 및 방법
CN201810628094.5A CN109127346B (zh) 2017-06-19 2018-06-19 用于为工程机械产生冲击脉冲或振动的装置和方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17176586.0A EP3417951B1 (fr) 2017-06-19 2017-06-19 Dispositif et procédé de production d'impulsions de chocs ou de vibrations pour un engin de chantier

Publications (2)

Publication Number Publication Date
EP3417951A1 true EP3417951A1 (fr) 2018-12-26
EP3417951B1 EP3417951B1 (fr) 2022-06-01

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Family Applications (1)

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EP17176586.0A Active EP3417951B1 (fr) 2017-06-19 2017-06-19 Dispositif et procédé de production d'impulsions de chocs ou de vibrations pour un engin de chantier

Country Status (9)

Country Link
US (1) US10730075B2 (fr)
EP (1) EP3417951B1 (fr)
JP (1) JP6676104B2 (fr)
KR (1) KR102090038B1 (fr)
CN (1) CN109127346B (fr)
CA (1) CA3005244C (fr)
DK (1) DK3417951T3 (fr)
ES (1) ES2922006T3 (fr)
PT (1) PT3417951T (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4001510A1 (fr) 2020-11-13 2022-05-25 Eurodrill GmbH Dispositif de génération des impulsions à choc ou des vibrations pour une machine de construction

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111705776B (zh) * 2020-06-23 2021-11-16 山东松岩建设工程有限公司 一种建筑施工用电磁轨道夯土机
CN113739908A (zh) * 2021-09-06 2021-12-03 中嵌科技(北京)有限公司 一种基于mems芯片的振动和冲击复合传感器

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GB920158A (en) 1960-05-25 1963-03-06 Dehavilland Aircraft Canada Vibrator motor
US4026193A (en) 1974-09-19 1977-05-31 Raymond International Inc. Hydraulically driven hammer system
US4031812A (en) 1974-03-08 1977-06-28 Nikolai Vasilievich Koshelev Hydraulic vibrator for actuator drive
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EP0449286A1 (fr) * 1990-03-29 1991-10-02 Kabushiki Kaisha Takahashi Engineering Appareil de fonçage de piles
JPH11158860A (ja) * 1997-11-28 1999-06-15 Hitachi Constr Mach Co Ltd 振動作業装置
EP1728564B1 (fr) 2005-05-30 2010-04-07 Klemm Bohrtechnik GmbH Générateur de vibrations avec un piston coulissant monté entre des chambres de pression

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Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB920158A (en) 1960-05-25 1963-03-06 Dehavilland Aircraft Canada Vibrator motor
US4031812A (en) 1974-03-08 1977-06-28 Nikolai Vasilievich Koshelev Hydraulic vibrator for actuator drive
US4026193A (en) 1974-09-19 1977-05-31 Raymond International Inc. Hydraulically driven hammer system
DE3038835A1 (de) * 1979-10-22 1981-04-30 The Secretary Of State For Industry In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland, London Druckmittelbetriebener schwingungserzeuger und dadurch angetriebener hammer
EP0449286A1 (fr) * 1990-03-29 1991-10-02 Kabushiki Kaisha Takahashi Engineering Appareil de fonçage de piles
JPH11158860A (ja) * 1997-11-28 1999-06-15 Hitachi Constr Mach Co Ltd 振動作業装置
EP1728564B1 (fr) 2005-05-30 2010-04-07 Klemm Bohrtechnik GmbH Générateur de vibrations avec un piston coulissant monté entre des chambres de pression

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4001510A1 (fr) 2020-11-13 2022-05-25 Eurodrill GmbH Dispositif de génération des impulsions à choc ou des vibrations pour une machine de construction

Also Published As

Publication number Publication date
KR102090038B1 (ko) 2020-04-23
ES2922006T3 (es) 2022-09-06
CN109127346A (zh) 2019-01-04
US20180361432A1 (en) 2018-12-20
CA3005244C (fr) 2020-04-28
PT3417951T (pt) 2022-07-08
JP6676104B2 (ja) 2020-04-08
CA3005244A1 (fr) 2018-12-19
EP3417951B1 (fr) 2022-06-01
US10730075B2 (en) 2020-08-04
KR20180138170A (ko) 2018-12-28
JP2019000846A (ja) 2019-01-10
CN109127346B (zh) 2020-10-27
DK3417951T3 (da) 2022-07-04

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