EP0020270A1 - Vorrichtung zum Vorbereiten und Stellen von Vergusszusammensetzungen - Google Patents

Vorrichtung zum Vorbereiten und Stellen von Vergusszusammensetzungen Download PDF

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Publication number
EP0020270A1
EP0020270A1 EP80400761A EP80400761A EP0020270A1 EP 0020270 A1 EP0020270 A1 EP 0020270A1 EP 80400761 A EP80400761 A EP 80400761A EP 80400761 A EP80400761 A EP 80400761A EP 0020270 A1 EP0020270 A1 EP 0020270A1
Authority
EP
European Patent Office
Prior art keywords
cement
water
supplied
supply system
injection
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
EP80400761A
Other languages
English (en)
French (fr)
Other versions
EP0020270B1 (de
Inventor
Georges Cagnioncle
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.)
CONSTRUCTION DE MATERIELS DE MINES SA
Original Assignee
CONSTRUCTION DE MATERIELS DE MINES SA
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 CONSTRUCTION DE MATERIELS DE MINES SA filed Critical CONSTRUCTION DE MATERIELS DE MINES SA
Priority to AT80400761T priority Critical patent/ATE2910T1/de
Publication of EP0020270A1 publication Critical patent/EP0020270A1/de
Application granted granted Critical
Publication of EP0020270B1 publication Critical patent/EP0020270B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/1431—Arrangements for supplying particulate material comprising means for supplying an additional liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1481—Spray pistols or apparatus for discharging particulate material
    • B05B7/149—Spray pistols or apparatus for discharging particulate material with separate inlets for a particulate material and a liquid to be sprayed
    • B05B7/1495—Spray pistols or apparatus for discharging particulate material with separate inlets for a particulate material and a liquid to be sprayed and with separate outlets for the particulate material and the liquid
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04—Devices for both conveying and distributing
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting
    • E21D20/021—Grouting with inorganic components, e.g. cement
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting
    • E21D20/028—Devices or accesories for injecting a grouting liquid in a bore-hole
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04—Devices for both conveying and distributing
    • E04G2021/049—Devices for both conveying and distributing concrete mixing nozzles specially adapted for conveying devices

Definitions

  • the invention relates to a device for the preparation and installation of sealing charges for bolt rods of gallery walls. More specifically, the invention relates to a device allowing the preparation and the installation of sealing charges for bolt rods, directly inside the drilling holes intended to receive the bolt rods.
  • the roofs and walls of the galleries are increasingly reinforced by the so-called bolting method, in preference to the traditional support method using wood or steel hangers.
  • this bolting method a hole is generally drilled 20 to 60 mm in diameter, then a steel rod is sealed in this hole.
  • the cement sealing process is more economical than the resin sealing process. It is particularly recommended in countries with a cold climate where the resin hardens until it becomes unusable or in countries with a warm climate where the resin is destroyed by polymerizing.
  • the invention relates to a device intended for the preparation and placing of sealing charges directly inside the drilling holes of the bolting rods, characterized in that it comprises a deformable pocket contained in a rigid enclosure and a cannula. double wall injection system over its entire height, supplied in its central part with powdered cement via the deformable pocket and supplied in its annular part with water, the rigid enclosure being connected to a fluid supply system .
  • the invention relates to a device for the separate introduction of cement and water, which constitute the sealing charge, directly into the hole intended to receive the rod to be sealed.
  • the mixing between the water and the cement thus takes place in the drilling hole and is terminated by the rotary movement of introduction of the rod to be sealed.
  • FIG. 1 represents a section of the device and FIG. 2 represents a section of a drilling hole with the rod to be sealed.
  • the dry cement is brought by pneumatic transport via the pipe 1.
  • a tap 2 located on the pipe 1 allows the dry cement to arrive in the metering device 3.
  • This metering device consists of a rigid enclosure 4 and a pocket or bladder 5 made of a flexible material, such as rubber for example.
  • the volume of this pocket is calculated to correspond to the cement load required to seal a rod.
  • these unit charges are of the order of 100 to 300 g.
  • a fluid such as water or oil, which is introduced via line 6 or discharged through line 7, a three-way valve 8 allowing communication with the enclosure rigid and the two supply lines and fluid withdrawal.
  • the pipe 9 directs the dry cement to an injection cannula 11 lined with an external wall 13 in the drilling hole, by means of a three-way valve 10.
  • the water circuit is constituted by the line 12 provided with a calibration device 15 and by the annular space between the lines 11 and 13. This water is generally brought under a pressure of 6 to 15 bars.
  • the calibration device 15 is of the type known for controlling the flow of a fluid, for example a diaphragm or a perforated wall which can be changed to increase or decrease the flow of fluid per unit of time.
  • a jack 14 allows the cannula to move in the hole drilled for the rod to be sealed, as shown at 21 in FIG. 2.
  • a line 16 which opens into the injection cannula upstream of the three-way valve 10 relative to the cement circuit, allows the introduction of air through the three-way valve 10.
  • This introduction of air into the cannula injection allows to purge it in case of prolonged shutdown of the device to avoid setting of the cement and its additives which causes blockage of the pipes.
  • pressurized air is used, for example at 5 bars, with a flow rate of the order of 300 - 400 l / min.
  • the duration of introduction of the air is calculated by a person skilled in the art as a function of the setting speed of the cement.
  • the operation of this device is as follows.
  • the tap 2 for the arrival of the cement is opened and the tap 8 on the pipe 7 at the same time as the tap 10 is closed towards the pipes 9 and 16: the dry cement pushed by the compressed air fills the bag 5.
  • the tap 2 is then closed and the tap 10 is opened to put the pipe 9 in communication with the cannula 11.
  • the tap 8 is also opened to put the fluid inlet pipe 6 in communication with the rigid enclosure 4.
  • the cement is then ejected into the cannula 11.
  • water is introduced into the annular space of the cannula, through the calibration device 15 which makes it possible to adjust the amount of water.
  • This calibration system is of a conventional type, for example, perforated diaphragm.
  • This device can in particular be used with automatic bolting devices. It allows the wetting of dry cement directly in the previously drilled hole, the injection cannula being brought up to a third or half the height of the hole.
  • FIG. 2 shows the drilling hole 21 into which the cement and the water are introduced.
  • the sealing rod 22 is introduced by a rotary movement which completes the mixing of the constituents of the charge. It is held in place for the duration of the setting by a plastic plug 20 located under the support plate 23.
  • This device has the advantage of allowing precise dosing of the quantity of product according to the characteristics of the bolt and the hole drilled.
  • a simple change of the flexible bag or the consecutive emptying of several volumes from the same bag makes it possible to vary or multiply the amount of load.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Secondary Cells (AREA)
  • Nozzles (AREA)
  • Cable Accessories (AREA)
  • Rock Bolts (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
EP80400761A 1979-06-01 1980-05-29 Vorrichtung zum Vorbereiten und Stellen von Vergusszusammensetzungen Expired EP0020270B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80400761T ATE2910T1 (de) 1979-06-01 1980-05-29 Vorrichtung zum vorbereiten und stellen von vergusszusammensetzungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7914082 1979-06-01
FR7914082A FR2457721A1 (fr) 1979-06-01 1979-06-01 Dispositif destine a la preparation et a la mise en place de charges de scellement

Publications (2)

Publication Number Publication Date
EP0020270A1 true EP0020270A1 (de) 1980-12-10
EP0020270B1 EP0020270B1 (de) 1983-03-30

Family

ID=9226143

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400761A Expired EP0020270B1 (de) 1979-06-01 1980-05-29 Vorrichtung zum Vorbereiten und Stellen von Vergusszusammensetzungen

Country Status (7)

Country Link
US (1) US4358227A (de)
EP (1) EP0020270B1 (de)
JP (1) JPS55161198A (de)
AT (1) ATE2910T1 (de)
DE (1) DE3062514D1 (de)
FR (1) FR2457721A1 (de)
ZA (1) ZA803193B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504844A1 (fr) * 1981-05-04 1982-11-05 Terratek Inc Systeme de maconnage pour boulon de voute, notamment de galerie de mine
DE3919102A1 (de) * 1989-06-10 1990-12-13 Ruhrkohle Ag Verfahren zum verfestigen des gebirges ueber soforttragende moertelanker und entsprechender vorrichtung
CN101586466B (zh) * 2009-06-09 2011-04-06 广州市鲁班建筑有限公司 压力型锚杆

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61257600A (ja) * 1985-05-10 1986-11-15 東急建設株式会社 ロツクボルト等の施工方法と装置
US6119904A (en) * 1998-04-08 2000-09-19 Micron Technology, Inc. Liquid dispensing apparatus with nozzle
KR100383453B1 (ko) * 2000-07-19 2003-05-14 주식회사 삼보기술단 락 볼트 시공용 고정구

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR918016A (fr) * 1945-11-27 1947-01-28 Omo Ag Procédé et pistolet de pulvérisation pour la pulvérisation de ciment, plâtre, kaolin, et autres produits similaires
FR1334848A (fr) * 1962-10-02 1963-08-09 Dispositif pour la projection sous pression d'agents, en particulier de peinture
FR1524640A (fr) * 1967-05-26 1968-05-10 Quigley Co Pistolet à réparer les fours
FR2208313A5 (de) * 1972-11-27 1974-06-21 Applic Gaz Sa
DE2410212A1 (de) * 1974-02-19 1975-09-04 Hinteregger Ohg R U A Verschlussvorrichtung fuer kunststoffinjektionen in bohrloecher beim sicherungsverbau sowie unter und ueber tag und verfahren zur herstellung eines verbundverbaus als gebirgssicherung im unter- und uebertagebau
FR2384549A1 (fr) * 1977-02-07 1978-10-20 Raffenaud Bernard Procede et appareil de projection simultane de liant et de produits secs

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US991814A (en) * 1909-09-13 1911-05-09 Mcelroy Shepherd Company Apparatus for mixing and applying plastic or adhesive materials.
US2829600A (en) * 1955-03-23 1958-04-08 Sveda Vladimir Conveying semi-liquid, plastic, loose or paste-like materials
DE1081818B (de) * 1957-12-05 1960-05-12 Benz & Hilgers Maschinenfabrik Speichereinrichtung in der Fuellgutfoerderleitung einer Abfuell- und Verpackungsmaschine
US3304126A (en) * 1965-02-15 1967-02-14 Gorman Rupp Co Material handling apparatus and methods
US3434808A (en) * 1967-12-21 1969-03-25 Columbian Carbon Method and means for pumping powdered solids
US3712681A (en) * 1971-11-18 1973-01-23 Pfizer Pneumatic conveying apparatus for light material
IT951267B (it) * 1972-04-08 1973-06-30 Chiesa E Dispositivo per il dosaggio auto matico di una pluralita di impasti diversi per mattonelle o simili
US4116368A (en) * 1976-12-16 1978-09-26 The United States Of America As Represented By The Secretary Of The Interior Clog-free inorganic grout emplacement gun

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR918016A (fr) * 1945-11-27 1947-01-28 Omo Ag Procédé et pistolet de pulvérisation pour la pulvérisation de ciment, plâtre, kaolin, et autres produits similaires
FR1334848A (fr) * 1962-10-02 1963-08-09 Dispositif pour la projection sous pression d'agents, en particulier de peinture
FR1524640A (fr) * 1967-05-26 1968-05-10 Quigley Co Pistolet à réparer les fours
FR2208313A5 (de) * 1972-11-27 1974-06-21 Applic Gaz Sa
DE2410212A1 (de) * 1974-02-19 1975-09-04 Hinteregger Ohg R U A Verschlussvorrichtung fuer kunststoffinjektionen in bohrloecher beim sicherungsverbau sowie unter und ueber tag und verfahren zur herstellung eines verbundverbaus als gebirgssicherung im unter- und uebertagebau
FR2384549A1 (fr) * 1977-02-07 1978-10-20 Raffenaud Bernard Procede et appareil de projection simultane de liant et de produits secs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504844A1 (fr) * 1981-05-04 1982-11-05 Terratek Inc Systeme de maconnage pour boulon de voute, notamment de galerie de mine
DE3919102A1 (de) * 1989-06-10 1990-12-13 Ruhrkohle Ag Verfahren zum verfestigen des gebirges ueber soforttragende moertelanker und entsprechender vorrichtung
CN101586466B (zh) * 2009-06-09 2011-04-06 广州市鲁班建筑有限公司 压力型锚杆

Also Published As

Publication number Publication date
US4358227A (en) 1982-11-09
FR2457721B1 (de) 1982-05-21
DE3062514D1 (en) 1983-05-05
EP0020270B1 (de) 1983-03-30
JPS55161198A (en) 1980-12-15
ATE2910T1 (de) 1983-04-15
FR2457721A1 (fr) 1980-12-26
ZA803193B (en) 1981-05-27

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