EP1243751A1 - Dispositif pour mésurer du rayon ou du diamètre des cavités - Google Patents

Dispositif pour mésurer du rayon ou du diamètre des cavités Download PDF

Info

Publication number
EP1243751A1
EP1243751A1 EP02006193A EP02006193A EP1243751A1 EP 1243751 A1 EP1243751 A1 EP 1243751A1 EP 02006193 A EP02006193 A EP 02006193A EP 02006193 A EP02006193 A EP 02006193A EP 1243751 A1 EP1243751 A1 EP 1243751A1
Authority
EP
European Patent Office
Prior art keywords
sword
linkage
measuring
designed
spring
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.)
Withdrawn
Application number
EP02006193A
Other languages
German (de)
English (en)
Inventor
Heinz Priebe
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 Grundbau GmbH
Original Assignee
Keller Grundbau 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
Application filed by Keller Grundbau GmbH filed Critical Keller Grundbau GmbH
Publication of EP1243751A1 publication Critical patent/EP1243751A1/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/08—Measuring diameters or related dimensions at the borehole

Definitions

  • the invention relates to a device for determining the radius or diameter of voids in stable material, especially in the floor support or wall elements produced by means of a jet process, according to the preamble of claim 1.
  • a generic measuring device is known from DE 44 29 917 A1, at which is pivotally arranged on one end of a linkage two or three probe arms are.
  • support or wall elements are produced by that a flushing rod in a borehole made in the ground up to The deepest borehole was introduced and the surrounding soil was mostly horizontal Cutting jet cut out of water or suspension and milled out becomes. Simultaneously with the milling, the loosened soil with a suspension of binder, preferably cement, mixed. In this intense Mixing creates a relatively homogeneous, e.g. under the brand "Soilcrete" well-known floor mortar in disc form or - if the flushing rod pulled from the bottom of the borehole and rotated about its longitudinal axis - in Column shape.
  • binder preferably cement
  • a tool for measuring a borehole is known from US Pat. No. 4,251,921 swing-out probe arms known.
  • the probe arms are on both sides connected to a holding device and include between this connection Joint.
  • the probe arms are constantly subjected to a spring force that folds out.
  • This arrangement has the disadvantage that it is relatively complicated and has many swivel joints, which in operation in a mixture of soil mass, Liquid and binder would be very prone to failure.
  • the swivel arms are also constantly under the spring force during the measurement of a borehole unfolded so that they are subject to great wear. Also are only Measurements of small to very small relative movements of the probe arms in the am Borehole circumference adjacent condition possible, which significantly the measuring range reduced.
  • DE-OS 1 803 736 discloses a probe with articulated arms for boreholes, where tactile shoes or articulated arms permanently under using leaf springs Bias held and thus pressed against a wall of a borehole become.
  • the probe additionally includes a hydraulic retraction device for the swivel arms.
  • this serves just for easy insertion of the device into a borehole and has during the measurement of the borehole itself has no function.
  • DE 44 29 917 also describes a device for determining the diameter or the wall thickness of support or wall elements in the floor is known, wherein a measuring element from a mechanically the edge region of the mixture scanning measuring rod, which has one end with a holding device is connected, while the other end by means of a drive to the edge area the mixture is movable.
  • EP 0 940 559 A2 describes a device for measuring the diameter a body manufactured by means of high pressure injection in the ground, whereby by means of a biased coil during the drilling process of the current achieved diameter of a HDI body to be produced can be determined.
  • the Coil has a measuring line that can be wound up and unwound, with a free one End of the winding and unwinding device a float or flow body located, which is carried away by the flow of the high pressure injection device is so that the length of the measuring line of the effective length of the high pressure injection jet equivalent.
  • this device is essential from the exact Functionality depending on the entrainment of the float by the injection jet. Furthermore, since it is arranged directly in the injection jet, the arrangement is strong Subject to wear. Furthermore, undesirable repercussions are the Measuring device itself does not affect the quality and depth of the injection jet excluded.
  • the invention has for its object a device of the above.
  • Kind available which the above mentioned Disadvantages eliminated and with regard to functional reliability and operation has been improved and the structure has been simplified.
  • the touch device comprises at least a sword that swivels at a lower end of the rod is mounted that a free, swinging end of the sword when swung Condition in the direction of an upper, facing away from the pivotable bearing End of the rod points, being at the free end of the sword a measuring sensor is attached, which through the linkage to a measuring device runs.
  • the pivotable mounting of the sword on the rod is preferably designed in this way is that the storage is exceeded when predetermined bearing forces automatically releases or can be released manually and releases the sword. This is for simply pull out the boom after finishing the measurement without having to retract or swing the sword back in.
  • the pivotable mounting of the sword on the rod at least one spring, which removably removes the swivel axis into a recess in a recess on the linkage, especially at the lower end of the same, presses, a manual actuator is provided, which the pressure of the spring on the pivot axis solves.
  • the pivotable mounting of the sword on the rod is designed in such a way that that the sword is in a certain pivot position, in particular with a swivel angle of 170 degrees to 180 degrees with respect to the boom, automatically solves.
  • the sword has at its swivel-mounted end For example, a recess that extends to the pivot axis.
  • the rod In order to sink the sword into the rod, the rod has a slotted one Guide tube into which the sword can be swiveled.
  • a rod section carrying the feeler device merges into a web which is laterally arranged the pivoted probe.
  • the measuring device is expediently designed in such a way that this one Detected length by which the sensor moves when the sensor is swiveled in or out Sword pulls through the rod.
  • the sword is made of one material high density, especially metal or heavy metal.
  • an inner tube is provided in the linkage, in which the sensor runs, wherein a device for rinsing the inner tube is provided.
  • a scale with a reference to a is expediently on the measuring sensor The top of the boom or another brand.
  • the Measuring device a scale and the measuring sensor a fixed mark on the compares the measuring device with the scale.
  • the sword is designed such that it is telescopic is compressible.
  • the probe device comprises two swords, which are pivoted in opposite directions from the linkage are. In this way, unwanted boom deflections can be compensated for.
  • the sword In order to have a maximum weight effect at the free, swinging end, the sword is widening towards the free end, especially club-like, trained.
  • the sword is preferably at its free, swinging end additionally with the linkage over a safety line of a predetermined length, in particular a wire.
  • the measuring sensor is a measuring cord, measuring thread or measuring wire trained and held in a spring roller for automatic recording, during their rotation, the measuring device detects measuring pulses.
  • the measuring pick-up is designed to be rigid Push rod formed, one end of the push rod movable in one straight or slightly curved guide device, in particular a groove on which Sword is wielded.
  • Figures 1 to 3 show a first preferred embodiment of an inventive Device for measuring the diameter or radius of im Floor made by means of a jet jet support or wall element.
  • the device according to the invention can with any cavities in stable material, such as rock or soil, which can in particular also be filled with gas or liquid.
  • FIGS. 1 to 3 The embodiment shown by way of example in FIGS. 1 to 3 comprises a linkage 10 with an end 14 carrying a probe device 14.
  • a sword 16 is arranged pivotably about an axis 18.
  • the Arrangement is made such that the pivot axis 18 at the bottom End of the linkage 10 and is based on this pivot axis 18 the sword 16 extends counter to the direction of gravity so that a free end 20 of the sword 16 in the pivoted state in the direction of an end of the linkage 10, not shown, which ends 14 is facing away from the pivot axis 18.
  • the sword 16 is relative the linkage 10 can be swung out solely under the action of gravity, without that additional drives or motors would be necessary.
  • a measuring thread 22 is attached, which is on a pulley 24 over through the linkage 10 up to a measuring device, not shown extends.
  • the pivotable articulation 18 arranged asymmetrically with respect to the linkage 10.
  • the measuring device scans the measuring thread 22, which coincides with increasing pivoting of the sword 16 through the linkage and thus also pulls past the measuring device.
  • the length of the solid Part of the measuring thread 22 can be a distance from the linkage 10 to determined to a surrounding wall 23 (Fig. 7) of a measured cavity or calculated.
  • FIG. 7 illustrates the use of those explained with reference to FIGS. 1 to 3 Contraption.
  • the linkage 10 is in a cavity to be measured 26 lowered, the sword at every point as far from the rod 10 is pivoted out that the free end 20 of the sword 16 on the surrounding Wall 23 of the cavity 26 strikes.
  • the sword 16 pivots the sword 16 around one Angle ⁇ more or less, depending on the actual width of the cavity.
  • the measuring device has a corresponding profile of the measured or scanned Cavity 26.
  • the sword 16 completely swung in by means of the measuring thread 22.
  • the lower end 14 of the linkage 10 is fork-shaped, so that when complete pivoted sword 16 this essentially within the rod 10 is arranged.
  • the linkage 10 together with the sword 16 is quickly and safely pulled out of the cavity 26, without snagging of the sword 16 on the surrounding wall of the Cavity 26 must be feared.
  • the sword 16 is not drawn in, but let it penetrate completely downwards, as in Fig. 3 shown. Even in this state, the linkage 10 can quickly and safely without the risk of hooking or tilting the sword 16 in the Cavity 26 are pulled out in the direction of arrow 28. Striking the Sword is relieved if the sword 16 is telescopic (not shown) is executed.
  • a distance from the rod 10 to the surrounding cavity wall 23 is determined from the corresponding length of the measuring thread 22 due to a more or less strong pivoting of the sword 16 out of the direction of escape with the rod 10. This calculation is described below with reference to FIG. 4.
  • the measuring device determines the extension length L of the measuring thread 22. By means of this extension length L, a distance x from the rest position of the sword 16 to the pivoted-out attachment point 20 of the measuring thread 22 at the free end of the sword 16 is determined. 4, the attachment point of the measuring thread 22 lies in the center of a circular fillet with the radius r of the free end 20 of the sword 16.
  • the rest position is not parallel to the longitudinal axis of the rod 10 , but tilted by an angle ⁇ . 4 then denotes x 0 the column radius sought at the measuring point, ⁇ the swivel angle of the sword 16, R the radius of the sword 16, e the distance between the attachment point 20 on the sword 16 in the swung-in state and the attachment point 20 of the sword 16 in the swung-out state in the direction of the rest position of the swung-in sword 16 and y 0 a depth correction for the measuring point.
  • the depth to be assigned to the respective column radius results from the difference between the entry depth of the pivot axis 18 and the depth correction value y 0 .
  • Fig. 5 illustrates a second preferred embodiment of an inventive Contraption.
  • the pivot axis 18 is symmetrical, i.e. on the longitudinal axis of the linkage 10 is arranged.
  • a leaf spring 30 is provided here.
  • This leaf spring 30 is arranged such that it biases the sword 16 in the pivoting direction.
  • the bearing can also be symmetrical in the linkage lie, and the bearings for counter-rotating swords can be on one axis lie, which is particularly for the later explained alternative of notching the Sword or swords is useful.
  • the spring 30 on the linkage 10 may be arranged. The arrangement of the spring 30 is always such met that it does not run "against the grain" when removing.
  • Fig. 6 illustrates a third preferred embodiment of an inventive Contraption.
  • the special feature of this embodiment is that that the sword 16 has a recess 32 at the pivotably mounted end, which extends to the pivot axis 18. Is the sword 16 in an angular position with respect to the linkage 10 from 170 degrees to 180 degrees, see above can the sword 16 by means of this recess from the pivot axis 18th loosen and drop until it is on a safety line 34 or the measuring cord 22nd hangs. If the safety line 34 is not at the free end 20 but on is pivotally mounted end of the sword 16 is attached, then a new one is omitted Rotate the sword 16 by 180 degrees.
  • Embodiment according to FIG. 8 An alternative to notching at a certain angular position is the Embodiment according to FIG. 8, in which for simply pulling out the linkage 10 after completing the measurement, without retracting the sword 16 or to have to pivot in, the pivotable mounting 18 of the sword 16 is held on the linkage 10 in such a way that it can be released or releases itself automatically when the sword 16 between the linkage 10 and cavity wall 23 jammed.
  • Trough 38 is provided in a recess 39 in the linkage 10, which extends up to extends to the pivot axis 18.
  • the pivot axis 18 is by means of a spring 40 held in the recess 38, the spring 40 when the Sword 16 yields or by means of an actuating device 42, which itself extends upwards through the linkage 10, can be released manually. hereby the pivot axis 18 can fall out of the trough 38 and the sword 16 detach from linkage 10.
  • the sword itself is preferably made from a heavy, i.e. seal as possible Material manufactured, such as iron and contains one-sided if necessary the weight-increasing heavy metal region 36, as indicated in FIG. 1.
  • the sword 16 is club-like trained so that the mass increases in the area of the swinging End 20 of the sword 16 is located. In this way, the Gravity resulting pivoting force, which acts on the sword 16, optimized.
  • the linkage 10 can be above of the actual measuring device part and its fork or web 14 are relatively be easily trained.
  • the measuring thread 22 is preferably light during the measurement kept taut to continuously move in or out when lowering the boom 10 of the sword 16 to register.
  • the measuring thread 22 in Linkage 10 remains common and is not hindered by dirt preferably a relatively narrow inner tube (not shown) in the linkage 10 provided, in which the measuring thread 22 is guided.
  • the inner tube is constantly flushed from top to bottom. Is superficial, for example on the measuring thread 22 a scale with reference to the top of the boom or one another brand. Alternatively, the location of a fixed mark is on the measuring thread 22 compared with a scale on the measuring device or outside of it.
  • the sword 16 drawn in, for example, over the measuring thread 22.
  • the possibility of releasing the sword 16 of the measuring thread 22 can simply be knocked down (see Fig. 3). This will be possible at least in cases where the sword 16 is not is much longer than the radius of the cavity measured.
  • a telescopic upsetting of the sword 16 is provided to to allow penetration.
  • two oppositely swinging swords 16 are also arranged lower end 14 of the linkage 10. Here each of them has Swords 16 have their own measuring thread 22. This has the advantage that unwanted ones Linkage deflections within the cavity are largely compensated for can.
  • the measuring thread 22 is made of plastic, for example. Alternatively, this can however, also be made of a metal material, so that the measuring thread one Measuring wire 22 forms.
  • the measurement is carried out step by step from top to bottom.
  • alternative is also an automatic, continuous measurement with recording of Measured values, calculation and subsequent presentation of a height profile of the measured cavity possible.
  • the Measuring thread 22 for example, held continuously in a spring roller, the Revolutions deliver impulses.
  • An alternative for the measuring thread 22 is a relatively rigid push rod, the end of which is movable in a straight or slightly curved guide device, e.g. a groove on the sword. This push rod can initiate the swing of the sword 16 at the same time.
  • this lower linkage section 14 be designed as a web, to the a sword is arranged on each side so that the swords 16 are not on the inside, but outside.

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
EP02006193A 2001-03-21 2002-03-19 Dispositif pour mésurer du rayon ou du diamètre des cavités Withdrawn EP1243751A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10113804 2001-03-21
DE2001113804 DE10113804C2 (de) 2001-03-21 2001-03-21 Vorrichtung zum Messen des Radius bzw.Durchmessers von Hohlräumen

Publications (1)

Publication Number Publication Date
EP1243751A1 true EP1243751A1 (fr) 2002-09-25

Family

ID=7678415

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02006193A Withdrawn EP1243751A1 (fr) 2001-03-21 2002-03-19 Dispositif pour mésurer du rayon ou du diamètre des cavités

Country Status (2)

Country Link
EP (1) EP1243751A1 (fr)
DE (1) DE10113804C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112880523A (zh) * 2021-02-25 2021-06-01 中冶建工集团有限公司 排水管管径、管深测量装置
CN112880522A (zh) * 2021-02-25 2021-06-01 中冶建工集团有限公司 竖向管道及水平管道的管径测量方法
CN113958313A (zh) * 2021-11-23 2022-01-21 中建铁路投资建设集团有限公司 一种孔径测量装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497990A (en) * 1946-11-30 1950-02-21 Standard Oil Dev Co Apparatus for logging boreholes
US2908085A (en) * 1957-11-15 1959-10-13 Tuboscope Company Measuring instruments
FR1194119A (fr) * 1959-11-06
US3183600A (en) * 1960-06-20 1965-05-18 Continental Oil Co Caliper surveying instrument
US3577643A (en) * 1967-05-18 1971-05-04 Shell Oil Co Borehole deformation gage
US3685158A (en) * 1967-11-02 1972-08-22 Schlumberger Technology Corp Sondes with articulated arms used in well logging
EP0699888A2 (fr) * 1994-08-23 1996-03-06 KELLER GRUNDBAU GmbH Détermination du diamètre ou de l'épaisseur d'éléments d'une paroi

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT255347B (de) * 1964-11-30 1967-06-26 Wasserwirtschaftsdirektion Spr Vorrichtung zur Messung von Schlitzen im Untergrund
DE2807551C2 (de) * 1978-02-20 1983-09-01 Prakla-Seismos Gmbh, 3000 Hannover Einrichtung und Verfahren zur geophysikalischen Untersuchung unterirdischer Kavernen und zur Entnahme von Proben aus flüssigkeitsgefüllten Kavernen
US4251921A (en) * 1979-07-26 1981-02-24 The United States Of America As Represented By The United States Department Of Energy Caliper and contour tool
NO854710L (no) * 1985-11-25 1987-05-26 Hoksrud Lars Oeivind Fremgangsmåte for kontroll og styring av injeksjonssonens utstrekning ved jetinjisering av herdbart bindemiddel i jordarter, samt anordning for gjennomføring av fremgangsmåten.
DE19731223C2 (de) * 1997-07-21 2001-04-26 Keller Grundbau Gmbh Verfahren zum Ermitteln der Reichweite eines Hochgeschwindigkeitserosionsverfahrens in einem Baugrund
EP0940559A3 (fr) * 1998-03-06 2002-09-25 Stephan Eberhard Bruder Dispositif et procédé pour mesurer le diamètre d'un corps obtenu dans le sol par injection à haute pression

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1194119A (fr) * 1959-11-06
US2497990A (en) * 1946-11-30 1950-02-21 Standard Oil Dev Co Apparatus for logging boreholes
US2908085A (en) * 1957-11-15 1959-10-13 Tuboscope Company Measuring instruments
US3183600A (en) * 1960-06-20 1965-05-18 Continental Oil Co Caliper surveying instrument
US3577643A (en) * 1967-05-18 1971-05-04 Shell Oil Co Borehole deformation gage
US3685158A (en) * 1967-11-02 1972-08-22 Schlumberger Technology Corp Sondes with articulated arms used in well logging
EP0699888A2 (fr) * 1994-08-23 1996-03-06 KELLER GRUNDBAU GmbH Détermination du diamètre ou de l'épaisseur d'éléments d'une paroi

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112880523A (zh) * 2021-02-25 2021-06-01 中冶建工集团有限公司 排水管管径、管深测量装置
CN112880522A (zh) * 2021-02-25 2021-06-01 中冶建工集团有限公司 竖向管道及水平管道的管径测量方法
CN113958313A (zh) * 2021-11-23 2022-01-21 中建铁路投资建设集团有限公司 一种孔径测量装置

Also Published As

Publication number Publication date
DE10113804C2 (de) 2003-01-16
DE10113804A1 (de) 2002-10-02

Similar Documents

Publication Publication Date Title
EP0434924B1 (fr) Dispositif pour forer un puits adjacent ou dévié à partir d'un puits, notamment d'un puits tubé
EP0699888B1 (fr) Détermination du diamètre ou de l'épaisseur d'éléments d'une paroi
DE4228580C1 (de) Erdbohrer zum Herstellen eines Ortbeton-Verdrängungspfahles
EP0043000A1 (fr) Outil de forage à organes coupants expansibles
DE3832715A1 (de) Vorrichtung zur herstellung einer ablenkbohrung
DE60115741T2 (de) Aushubgerät für die Herstellung von Ortbetonpfählen
EP0819819B1 (fr) Tête de fraisage, dispositif de forage et procédé de forage sous-marin
EP0543320A1 (fr) Dispositif pour la fabrication de pieux en béton dans le sol
EP0216201B1 (fr) Dispositif pour l'ancrage de tirants dans le sol
DE10113804C2 (de) Vorrichtung zum Messen des Radius bzw.Durchmessers von Hohlräumen
DE4020757C1 (fr)
DE4211059C1 (fr)
DE10064187C1 (de) Vorrichtung zum Messen des Durchmessers von im Boden mittels eines Düsenstrahlverfahrens hergestellten Stütz- oder Wandelementen
DE69314402T2 (de) Verstellbare Absperrvorrichtung für die Grabenabschnitte von Schlitzwänden
DE1907908C2 (de) Teleskopartig ausziehbare Verbindungsvorrichtung fuer Bohrgestaenge
DE19949393C1 (de) Vorrichtung und Verfahren zum Herstellen von Stütz- oder Wandelementen in einem Boden mittels eines Düsenstrahlverfahrens
DE602004003418T2 (de) Gewindeschneideeinrichtung
DE2952593C2 (de) Vorrichtung zum Einbringen von stangenförmigen Wärmetauschern in das Erdreich
DE3423789A1 (de) Bohreinrichtung fuer gesteinbohrungen
DE10115456A1 (de) Verlegepflug mit schürzenartiger Verdrängervorrichtung
DE3736458C3 (de) Verfahren und Vorrichtung zur Herstellung einer horizontalen Erdbohrung
DE9313796U1 (de) Angelzusatzgerät
DE3113731C2 (de) Verfahren und Vorrichtung zur Herstellung eines Bohrloches für eine Pfahlgründung
DE2117619C (de) Der Bohrlocherweiterung die nender Fallmeißel fur Bohrlocher, insbesondere zum Herstellen von Bohrpfahlen
DE1634388C (de) Vomchtung zur Bohrlocherweiterung und Verfahren zum Erweiterungsbohren un ter Verwendung der Vorrichtung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20030115

AKX Designation fees paid

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

17Q First examination report despatched

Effective date: 20040310

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20040721