EP2503096A2 - Ancre pour la roche - Google Patents

Ancre pour la roche Download PDF

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Publication number
EP2503096A2
EP2503096A2 EP12154433A EP12154433A EP2503096A2 EP 2503096 A2 EP2503096 A2 EP 2503096A2 EP 12154433 A EP12154433 A EP 12154433A EP 12154433 A EP12154433 A EP 12154433A EP 2503096 A2 EP2503096 A2 EP 2503096A2
Authority
EP
European Patent Office
Prior art keywords
fluid
channel
flushing
rock
pipe socket
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Withdrawn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
EP12154433A
Other languages
German (de)
English (en)
Inventor
Stefan Götzfried
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP2503096A2 publication Critical patent/EP2503096A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/003—Machines for drilling anchor holes and setting anchor bolts
    • 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
    • E21D20/025—Grouting with organic components, e.g. resin
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0053—Anchoring-bolts in the form of lost drilling rods

Definitions

  • the present invention relates to a system with a rock bolt and a device for moving the rock bolt according to the preamble of claim 1, a rock bolt according to the preamble of claim 11 and a device for moving the rock bolt according to the preamble of claim 14.
  • rock anchors In mining and tunneling rock anchors are used to prevent rock movements of the upcoming rock, to slow down or to secure larger flakes of pending rock and thus to allow safe operation. Two functional principles are known, some of which are combined.
  • anchoring of the anchor takes place by means of frictional engagement, wherein mechanical rock anchors or rock anchors generally also have an expansion sleeve.
  • anchor pipes In chemical rock anchors anchor pipes are connected with a hardening mortar or synthetic resin as a fixing material cohesively with the substrate or the upcoming rock. The rock anchors are installed with or without bias in the upcoming rock.
  • Self-drilling rock bolts are provided with a drill head at a rear end of the rock bolt.
  • Such self-drilling rock anchors can be drilled in one step in the rock and then anchored, without an additional drilling step is required with a separate drilling tool.
  • flush water is passed through an enclosed by an anchor tube interior to the drill head and then the rinse water flows together with the worn rock through an annular space between the rock and the anchor tube out to the well mouth, where at the borehole mouth the rinse water exits again.
  • the press water to be conducted to the fixing agent or a piston to the fixing material is originally supplied radially from the outside.
  • it is required in a complex manner that the flows or the channels for passing the rinsing water and the press water intersect in the third dimension.
  • the DE 10 2005 000 158 A1 shows a drilling and tethering apparatus for mining, tunneling or civil engineering for the installation of drilled and equipped with a one- or multi-component adhesive anchors and with a squeezing device for expelling the adhesive from the hole positioned anchor, wherein the squeezing device is integrated into a chamber provided in the housing of the drilling and anchoring device.
  • the DE 10 2005 000 142 A1 shows a squeezing device for squeezing a mass of a self-drilling, chemical rock anchor for mining and tunneling with a housing, with a motor driven by a rotatably mounted in the housing and axially displaceably mounted sleeve, wherein the sleeve in a first end with an insertion in which a receptacle is provided for a rotational drive means of the rock bolt, and has a second end opposite the first end with a through opening and a sleeve axis, and with a feed nose through which media can be fed to the rock bolt.
  • the object of the present invention is therefore to provide a system with a rock bolt and a device for moving the rock bolt, a rock bolt and a device for moving the rock bolt available in which with little technical effort both rinse water and press water in a Interior of the rock bolt can be initiated.
  • a system having a self-drilling chemical rock bolt, in particular for use in mining, and a device for moving the rock bolt, the rock bolt including an anchor tube, which includes an interior, a disposed within the interior of fixing material for cohesive fixation of the anchor tube Rock, a disposed within the interior, movable piston for conveying the Fixing material outside the anchor tube in an arrangement of the anchor tube in a hole in the rock, a drill head at a rear end of the anchor tube, a flushing channel for supplying flushing fluid, in particular rinse water to the drill head, a Auspresskanal for supplying pressurized fluid, in particular press water to the piston, wherein the system, in particular the device and / or the rock bolt, comprises a movable closing element which is movable between a scavenging position and a pressing position and opened in the scavenging position, the scavenging passage and the Auspresskanal is closed and closed in the pressing position of the scavenger passage and the discharge channel is
  • the movable closing element can thus be conducted either flushing water under a low pressure to the drill head or expelling water are passed under a high pressure to the piston or the fixative advantageously in an advantageous manner.
  • a technically complicated dispenser is no longer necessary, because as a means for separating flushing fluid and pressing fluid, the closing element, in particular integrated into the device, can perform this function.
  • the system in particular the rock bolt and / or the device, comprises one, in particular only one, fluid opening for supplying both flushing fluid and pressurizing fluid, and preferably in the flushing position of the closing element fluid communication from the fluid opening to the flushing channel and no fluid communication of the fluid opening to the Auspresskanal and in the pressing position of the closing element there is no fluid connection from the fluid opening to the flushing passage and a fluid connection from the fluid opening to the Auspresskanal.
  • both flushing fluid and pressurized water can be introduced axially into the rock bolt through a fluid opening on the rock bolt and / or on the system, in particular of the apparatus, and Separation can be carried out by a movement of the closing element between the rinsing position and the pressing position.
  • the closing element is movable and / or mounted in the direction of a longitudinal axis of the rock bolt.
  • the closing element is designed as a pipe socket with an axial fluid channel and the fluid opening opens into a front end of the fluid channel, so that both flushing fluid and pressing fluid can be conducted through the axial fluid channel of the pipe socket.
  • the interior of the rock bolt is subdivided in front of the fixing substance and / or the piston into a rear pressing space, in particular within a channel sleeve, and a front flushing space of a separating ring with a connection opening.
  • the rear baling chamber also represents an extrusion channel and the flushing chamber also represents a flushing channel.
  • the flushing channel opens into the front flushing chamber and the extrusion channel, in particular within the channel sleeve, is separated on the piston by a separating membrane from the rear pressing chamber in a fluid-tight manner.
  • the separation membrane z.
  • plastic or a thin metal sheet thus can prevent the rinse water from the piston during drilling and the separation membrane is preferably disposed within the channel sleeve.
  • the separation membrane fluid-tightly seals the extrusion channel on the piston from the rear press space, and a fluid-conducting connection exists between the rear end of the axial fluid channel of the pipe socket and the front flushing chamber and / or the flushing channel.
  • the pipe socket is arranged outside the connection opening of the separating ring in the scavenging position of the pipe socket.
  • the pipe socket In the flushing position, the pipe socket can also within the Connection opening of the separating ring to be arranged, however, there is an annular space between the pipe socket and the separating ring, so that the effluent from the pipe socket at the rear end rinse water can flow back through the connection opening on the separating ring back into the front washing compartment.
  • the separating membrane is severed, so that a fluid-conducting connection between the Auspresskanal on the piston and the rear pressing chamber and the front washing chamber and / or the flushing passage is fluid-tightly separated from the rear end of the axial fluid channel of the pipe socket.
  • the pipe socket is arranged in the connecting opening of the separating ring in the pressing position of the pipe socket and the radial outside of the pipe socket is fluid-tight on the separating ring at the connecting opening of the separating ring, so that no fluid-conducting connection from the rear pressing chamber to the washing compartment and / / or the flushing channel and preferably the rear end of the pipe socket ends at the Auspresskanal on the piston, so that the axial fluid channel of the pipe socket opens into the Auspresskanal on the piston and / or the flushing channel is formed between the fixing material and the anchor tube as an annular space and or the rock bolt is designed as a rock bolt described in this patent application and / or the device is designed as a device described in this patent application.
  • Self-drilling chemical rock anchor in particular for use in mining, comprising an anchor tube which encloses an interior, a fixation material arranged inside the interior for materially fixing the anchor tube to rock, a movable piston arranged inside the interior for conveying the fixation substance outside the anchor tube at a Arrangement of the anchor tube in a hole in the rock, a drill head at a rear end of the anchor tube, a flushing channel to Supplying flushing fluid, in particular water, to the drill head, a discharge channel for supplying pressurized fluid, in particular water, to the piston, wherein the rock bolt comprises one, in particular only one, fluid port for supplying both flushing fluid and pressurized fluid.
  • the interior space in front of the fixing substance and / or the piston is subdivided into a rear pressing space and a front flushing space by a separating ring with a connecting opening.
  • the flushing channel opens into the front flushing chamber and the extrusion channel is connected to the piston by a puncturable separating membrane, for.
  • plastic or metal, fluid-tight separated from the press room and / or the rock anchor comprises an anchor nut and preferably a supported by the anchor nut anchor plate for resting on the rock.
  • Apparatus for moving a rock bolt, in particular a rock bolt described in this patent application comprising a drive element, in particular a drive ring, for transmitting torque to the rock bolt, a drive shaft for connection to a drive motor, preferably a mechanism for transmitting torque from the drive shaft the drive element, wherein the device comprises one, in particular only one, fluid opening for supplying both flushing fluid and pressurized fluid.
  • the device comprises a movable pipe socket with an axial fluid channel which is movable between a flushing position and a pressing position, and the fluid opening opens into a front end of the axial fluid channel and preferably the device comprises means, e.g. As a device piston and coupled to the device piston lever, for moving the pipe socket and the drive element has an axial bore and the pipe socket is within the axial bore of the drive element arranged and preferably the pipe socket is mounted axially movable in the bore.
  • the device comprises a drive motor, for.
  • a drive motor for.
  • a combustion or electric motor for driving the drive shaft.
  • the rock bolt is also designed as a sliding anchor.
  • the sliding anchor has a sliding function in that, starting from a predetermined tensile force absorbed by the rock bolt, that is to say the compressive force acting on the anchor plate or anchor nut caused by the rock, the rock bolt increases in length and thereby permits movement of the rock, reduce the tensile forces to be absorbed by the rock bolt (below the specified tension as a threshold so that no more gliding occurs), thereby ensuring a better securing of the rock.
  • a rear end of the anchor tube is closed by a cap, and the anchor tube and / or the cap have at least one opening for guiding the fixation substance from the interior enclosed by the anchor tube.
  • the cap may on the one hand be a separate component or be formed integrally with the anchor tube.
  • the fixative in particular a synthetic resin or mortar, comprises two components, eg. B. a glue component and a hardness component.
  • the two components are each arranged separately in a bag.
  • the bag is considered to be any device for storing the two separate components, for example a cartridge or other container.
  • a mixer is arranged between the fixing substance and the at least one opening for mixing the
  • Fixing agent in particular of the two components, before the release of the fixative from the at least one opening.
  • the components of the system such as the anchor tube, the piston, the anchor nut, the anchor plate, the cap, the closing element, the separating ring, the channel sleeve, the closing and bearing ring, the drive element, the drive ring, the bearing bush , the drive shaft, the first and second gear, the housing and / or the device piston and / or the lever at least partially, in particular completely, of metal, for example steel or a steel alloy, or glass fiber reinforced plastic.
  • a designed as a sliding anchor rock anchor 2 is z. B. used in mining for the temporary securing of rock 60 on studs.
  • the rock bolt 2 comprises an anchor tube 4, which encloses an inner space 12.
  • the rock bolt 2 is a chemical rock bolt 2, that is, with a arranged in the interior 12 fixing material 13, the anchor tube 4 can be firmly bonded to a rock 60.
  • a bore 61 with a drill head 10 at a rear end 7 of the anchor tube 4 is incorporated into the rock 60.
  • the anchor tube 4 is at a front end 6 at a working space 62 with a device 3 for moving the rock bolt. 4 in a rotational movement about a longitudinal axis 5 of the anchor tube 4 to put.
  • the rock bolt 2 and the device 3 form a system 1.
  • the fixing substance 13 is a synthetic resin 14 which has an adhesive component 15 and a hardness component 16.
  • the adhesive component 15 is stored in a first bag 17 and the hardness component 16 is stored in a second bag 18.
  • the two bags 17, 18 are stored in the interior 12.
  • a piston 19 is arranged as a means 20 for pressing out the fixing substance 13.
  • the rear end 7 of the anchor tube 4 is closed by a cap 21 with an opening 22 for discharging the fixing substance 13.
  • Through the opening 22 of the fixing material 13 can flow out of the interior 12 of the anchor tube 4 outwardly into the room, in particular annular space between the anchor tube 4 and the rock 60, wherein the fixative 13 through flushing and press openings 11 on the drill head 10 in this Annulus is passed.
  • a mixer 23 is arranged at the opening 22, through which due to the geometric arrangement of the mixer 23 in the inner space 12, the fixing material 13 forcibly from the two bags 17, 18 must first flow through the mixer 23 and then out of the opening 22 and the rinsing and pressing openings 11 flows out.
  • the mixer 23 devices for example a corresponding geometry, to the effect that the fixing material 13 flows meandering or schlauchlinienförmig through the mixer 23 and thereby mixing of the adhesive component 14 with the hardness component 15 of the synthetic resin 14 before flowing out of the opening 22 occurs ,
  • the piston 19 For introducing the fixing substance 13 into the space between the anchor tube 4 and the rock 60, the piston 19 is moved inwardly by press water, that is, as shown in FIG Fig. 1 and 2 to the left. As a result, the first and second bags 17, 18 are destroyed by the piston 19, so that the adhesive component 15 and the hardness component 16 move, and due to the decreasing volume of the inner space 12 between the piston 19 and the cap 21, the fixing substance 13 is introduced into the space through the mixer 23 and the opening 22 and the rinsing and pressing openings 11, respectively pressed between the anchor tube 4 and the rock 60 and then hardened.
  • the anchor tube 4 has on the outside an external thread 8 and on the external thread 8 of the anchor tube 4, an anchor nut 9 is screwed with an internal thread.
  • the internal thread of the anchor nut 9 engages in the external thread 8 of the anchor tube 4 and due to the geometry of the anchor nut 9, the anchor nut 9 only in the in Fig. 1 and 2 shown position on the anchor tube 4 are screwed.
  • the anchor nut 9 has on the outside a polygon (not shown).
  • the device 3 has, in addition to the drive element 43, a housing 51. On the housing 51 is connected to a storage 50, z. As a rolling bearing, a drive shaft 46 and mounted at an outer end of the drive shaft 46 outside of the housing 51 is designed as a combustion engine drive motor 59 is arranged. At the other, inner end of the drive shaft 46, a first gear 47 is present, the teeth, not shown, meshing with teeth of a second gear 48, not shown. The axes of rotation of the first and second gear 47, 48 are perpendicular to each other. The second gear 48 is fastened with fastening bolts 49 on the drive ring 44. The drive ring 44 is also mounted with the bearing 50 on the housing 51.
  • the drive ring 44 has an axial bore with respect to the Longitudinal axis 5 of the anchor tube 4 on and in this bore designed as a pipe socket 28 closing element 27 is arranged.
  • the pipe socket 28 has an axial fluid channel 31.
  • a front end 29 of the pipe socket 28 and a front end 32 of the axial fluid channel 31 and ends at the working space 62 outside the housing 51 and a rear end 30 of the pipe socket 28 and a rear end 33 of the axial fluid channel 33 terminates within the The interior of the anchor tube 4 enclosed 12.
  • a bearing bush 45 is arranged between the pipe socket 28 and the drive ring 44.
  • the drive motor 59 can thus be offset with the drive shaft 46 and the first and second gear 47, 48 of the drive ring 44 in a rotational movement about the longitudinal axis 5 of the anchor tube 4.
  • the pipe socket 28 performs no rotational movement and for supporting the rotating drive ring 44 on the non-rotating pipe socket 28, the bearing bush 45 serves. From the drive ring 44 (not shown) due to the Mehrkantes on the anchor nut 9 and a corresponding complementary polygonal on the drive ring 44 a torque to the armature nut 9 and thus also to the anchor tube 4 are transmitted.
  • the drill head 10 is fixedly connected to the anchor tube 4, so that due to a rotational movement of the anchor tube 4 due to the torque applied by the drive motor 59 to the anchor tube 4 and the drill head 10 performs a rotational movement and thereby with the self-drilling rock anchor 2, the bore 61 in the Rock 60 can be incorporated.
  • Fig. 1 the system 1 is shown during the drilling operation and the pipe socket 28 is in a rinsing position.
  • the system 1 is shown during the pressing of the fixation substance 13 from the anchor tube 4 and the pipe socket 28 is in a pressing position.
  • the pipe socket 28 To move the pipe socket 28 from the rinsing position according to Fig. 1 in the pressing position according to Fig. 2 is the pipe socket 28 to move in the axial direction in the direction of the rear end 7 of the anchor tube 4.
  • the device 3 is provided with a device for moving the pipe socket 28.
  • Within the housing 51 is a device cylinder 55 formed in which a device piston 52 is arranged with a piston rod 53.
  • a spring 54 is arranged between the device piston 52 and the housing 51 and the device cylinder 55.
  • a lever 57 is pivotally connected to the piston rod 53 and the lever 57 is rotatably mounted on a lever support 58 about a rotation axis perpendicular to the plane of Fig. 1 and 2 mounted on the housing 51.
  • a lower end of the lever 57 is hinged to the pipe socket 28. In the flushing position according to Fig. 1 is applied by the spring 54 on the device piston 52 and thus also on the lever 57, a torque counterclockwise around the lever bearing 58, so that the pipe socket 28 is in the scavenging position.
  • a hydraulic fluid is introduced through a cylinder opening 56, so that by the pressure of the hydraulic fluid in the space between the device cylinder 55 and the device piston 52 a directed against the force of the spring 54 force on the device piston 52 acts, so that the device piston 52 as shown in FIG Fig. 1 and 2 moved from left to right, thereby applying a torque to the lever 57 about the lever bearing 58 in a clockwise direction and the lever 57 thereby moves in a clockwise direction.
  • the lever 57 of the axially mounted pipe socket 28 is moved from the rinsing position to the pressing position.
  • the second gear 48, the drive ring 44 and partly also the bearing bush 45 performs a rotational movement about the longitudinal axis 5 of the anchor tube 4.
  • the other components of the device z.
  • the housing 51, the first gear 47, the drive motor 59 and the means for moving the pipe socket 28 perform no rotational movement about the longitudinal axis 5 of the anchor tube 4 during the drilling process.
  • rinse water is to be routed to the drill head 10 to cool the drill head 10 and to convey excavated rock 60 from the bore 61 into the working space 62.
  • press water is to be directed to the piston 19 to communicate with the pressurized water under high pressure to the piston 19 as shown in FIG Fig. 1 and 2 to move to the left and thereby to direct the fixative 13 into the space between the anchor tube 4 and the rock 60 for chemical attachment of the rock bolt 2 to the rock 60.
  • Within the interior 12 of the anchor tube 4 is a flushing channel 24 for passing rinse water under a low pressure, for. B.
  • the system 1 has only one fluid port 34 on the device 3 for passing both rinse water and press water.
  • the fluid opening 34 is formed by the front end 32 of the fluid channel 31.
  • the rock bolt 2 has only one fluid opening 35, namely on a closing and bearing ring 42, on. Through the fluid opening 34 and 35 thus both rinse water and press water is passed.
  • the closing and bearing ring 42 closes the front flushing chamber 37th
  • a channel sleeve 41 encloses the fixing material 13 and is also additionally guided in the direction of the front end 6 of the anchor tube 4.
  • the piston 19 resting on the fixing substance 13 and a separating membrane 40 made of plastic are arranged.
  • a separator ring 38 is arranged with a connection opening 39.
  • the space within the channel sleeve 41 between the piston 19 and the separator ring 38 is of the separation membrane 40 within the channel sleeve 41 in the flushing position of the pipe socket 28 or while drilling in the Auspresskanal 26 and the rear pressing chamber 36 as shown in FIG Fig. 1 separated.
  • the channel sleeve 41 has at the front end of the separating ring 38 and between the separating ring 38 and the closing and bearing ring 42 at the front end 6 of the anchor tube 4, the flushing channel 24 and the front flushing chamber 37 forms.
  • the flushing channel 24 between the separating ring 38 and the closing and bearing ring 42 opens into an annular space 25 between the channel sleeve 41 and the anchor tube 4. Through this annulus 25 as flushing channel 24, the rinse water can be passed to the drill head 10.
  • flushing water can be passed through the fluid opening 34 at the pipe socket 28 through the axial fluid channel 31 of the pipe socket 28 at a low pressure.
  • the axial fluid channel 31 thus also represents a flushing channel 24 for the passage of flushing water.
  • the flushing water flows into the flushing channel 24 between the separating ring 38 and the closing and bearing ring 42 and then flows through the annular space 25 to the Drill head 10.
  • the rinse water can flow through the connection opening 39 in the rear pressure chamber 36, but due to the fluid-tight seal with the separation membrane 40, a flow of rinsing water to the discharge channel 26 and thus the piston 19 is excluded.
  • the rinsing water can not apply any force to the piston 19, and the rinsing water serves exclusively to rinse the drill head 10 and to convey rock 60 to the outside. A pressing of the fixative 13 is thus excluded with rinse water.
  • the drill head 10 is also moved with the drive motor 59 into a rotational movement about the longitudinal axis 5 as described above, so that the bore 61 can be worked into the rock 60 with the self-drilling rock anchor 2.
  • the drive motor 59 is turned off and set the conduction of rinse water through the axial fluid passage of the pipe socket 28. Subsequently, with the above-described means for moving the pipe socket 28, the pipe socket from the rinsing position according to Fig. 1 in the pressing position according to Fig. 2 moved to the left. The rear end 30 of the pipe socket 28 pierces the separation membrane 40 (FIG. Fig. 2 ), so that a fluid-conducting connection between the Auspresskanal 26 and the rear pressing chamber 36 is.
  • the pipe socket 28 is on the outside fluid-tight manner at the connection opening 39 of the separating ring 28, so that by the axial Fluid channel 31 of the pipe socket 28 guided press water can not get into the front flushing chamber 37 to the right of the separating ring 38.
  • the pressurized water introduced through the fluid opening 34 under high pressure thus passes exclusively into the rear pressing chamber 36 and the extrusion channel 26.
  • a compressive force can be applied by the press water to the piston 19 and the piston 19 moves as shown in FIG Fig. 2 to the left, so that the fixing material 13 passes through the opening 22 and the rinsing and pressing openings 11 on the drill head 10 in the space between the anchor tube 4 and the rock 60.
  • the device 3 is removed from the rock anchor 2. This remains in the bore 61 of the rock bolt 2 with the anchor nut 9 as a disposable part.
  • both rinsing water and pressurized water can be introduced into the interior 12 of the anchor tube 4.
  • a technically complex dispenser is no longer required and rinse water and press water can be passed in the axial direction through the axial fluid channel 31 of the pipe socket 28.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Piles And Underground Anchors (AREA)
  • Earth Drilling (AREA)
EP12154433A 2011-03-21 2012-02-08 Ancre pour la roche Withdrawn EP2503096A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011005855A DE102011005855A1 (de) 2011-03-21 2011-03-21 Gesteinsanker

Publications (1)

Publication Number Publication Date
EP2503096A2 true EP2503096A2 (fr) 2012-09-26

Family

ID=45655442

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12154433A Withdrawn EP2503096A2 (fr) 2011-03-21 2012-02-08 Ancre pour la roche

Country Status (6)

Country Link
US (1) US20120243947A1 (fr)
EP (1) EP2503096A2 (fr)
AU (1) AU2012201702A1 (fr)
CA (1) CA2771661A1 (fr)
DE (1) DE102011005855A1 (fr)
ZA (1) ZA201202072B (fr)

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WO2013127408A1 (fr) * 2012-03-02 2013-09-06 Dh Mining System Gmbh Dispositif pour forer et pour mettre en place des boulons

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CN108049402B (zh) * 2018-01-25 2023-06-16 西南科技大学 预应力锚杆
CN108678791B (zh) * 2018-07-12 2024-05-28 西安科技大学 一种新型复合式锁脚锚杆节点装置
CN109869172B (zh) * 2019-03-29 2023-12-26 攀枝花学院 钻锚高压注浆一体的锚固装置
CN110145351B (zh) * 2019-06-18 2024-05-14 河南理工大学 一种基于可控流体压力的恒阻锚杆托盘
CN111764943B (zh) * 2020-07-08 2022-06-24 中国电建集团昆明勘测设计研究院有限公司 一种可排水自钻式分级让压锚杆及其支护方法
EP3992423B1 (fr) * 2020-10-27 2024-04-17 Sandvik Mining and Construction Oy Appareil d'injection de résine, machine et procédé d'exploitation minière
CN113202522B (zh) * 2021-04-30 2023-06-20 中煤科工开采研究院有限公司 锚杆自动化施工装置
CN113323578B (zh) * 2021-06-11 2024-03-08 上海远通路桥工程有限公司 一种顶板锚杆钻机
CN116398200A (zh) * 2023-03-28 2023-07-07 北京交通大学 隧道施工用增阻锚杆及隧道增阻施工方法
CN119466912B (zh) * 2024-09-29 2025-09-19 中国矿业大学 一种多段锚固的释能锚杆装置及其使用方法
CN119641409B (zh) * 2024-11-29 2025-10-17 中国煤炭科工集团太原研究院有限公司 一种高压液体置换锚杆内置树脂的方法及锚杆

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DE102005000142A1 (de) 2005-10-19 2007-04-26 Hilti Ag Auspressvorrichtung
DE102005000158A1 (de) 2005-11-16 2007-05-24 Hilti Ag Bohr- und Ankersetzgerät mit integrierter Auspressvorrichtung

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DE102004023668B4 (de) * 2004-05-13 2007-06-06 Hilti Ag Befestigungselement, insbesondere für den Einsatz im Berg- und/oder Tunnelbau
DE102006000042A1 (de) * 2006-01-31 2007-08-02 Hilti Ag Adapterteil eines selbstbohrenden Gebirgsankers
AU2009202836A1 (en) * 2008-09-18 2010-04-08 Peter Andrew Gray An injection, sealing, valving and passageway system
DE102009002951A1 (de) * 2009-05-08 2010-11-11 Hilti Aktiengesellschaft Selbstbohrendes Befestigungselement

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DE102005000142A1 (de) 2005-10-19 2007-04-26 Hilti Ag Auspressvorrichtung
DE102005000158A1 (de) 2005-11-16 2007-05-24 Hilti Ag Bohr- und Ankersetzgerät mit integrierter Auspressvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013127408A1 (fr) * 2012-03-02 2013-09-06 Dh Mining System Gmbh Dispositif pour forer et pour mettre en place des boulons

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DE102011005855A1 (de) 2012-09-27
ZA201202072B (en) 2012-11-28
US20120243947A1 (en) 2012-09-27
CA2771661A1 (fr) 2012-09-21
AU2012201702A1 (en) 2012-10-11

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