EP2449214A1 - Forming a shaft for an underground mine - Google Patents
Forming a shaft for an underground mineInfo
- Publication number
- EP2449214A1 EP2449214A1 EP10793425A EP10793425A EP2449214A1 EP 2449214 A1 EP2449214 A1 EP 2449214A1 EP 10793425 A EP10793425 A EP 10793425A EP 10793425 A EP10793425 A EP 10793425A EP 2449214 A1 EP2449214 A1 EP 2449214A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- skip
- transfer station
- excavated material
- earth
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 71
- 238000009412 basement excavation Methods 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 13
- 230000037361 pathway Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 230000032258 transport Effects 0.000 description 10
- 238000009415 formwork Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 230000003019 stabilising effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000277284 Salvelinus fontinalis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
Definitions
- This invention relates to the formation of shafts for underground mines . It has particular but not exclusive application to the formation of a mine shaft through which to provide access to underground mining activity and extraction of mined material after the mine shaft has been formed but it may also have application to the formation of shafts for other purposes such as for use as
- the present invention enables development of a more robust and effective removal system which allows the continued supply of excavated material to continue from such machines even if filling devices are not on station.
- a method of removing excavated material from a mine shaft during formation of the mine shaft for an underground mine comprising;
- the storage bin may be one of a plurality of such bins at the transfer station and the skip may be one of a like plurality of skips lowered and hoisted through the hole on guides to receive and transport material from the bins . More specifically, there may be a pair of storage bins at the transfer station and a pair of skips moveable up and down within the shaft along adjacent pathways sequentially to receive discrete loads of excavated material and to transport those loads to the earth surface region for discharge at the earth surface region and then to return downwardly to the transfer station.
- the skips may be constrained by respective skip guides to move along pathways disposed within a side segment of the shaft having a cross-sectional area which is less than 50% of the cross-sectional area of the shaft.
- the excavated material may be transported to the transfer station by a conveyor associated with the transfer
- the conveyor may have a vertically moveable lower end which is moved downwardly through a limited distance as excavation proceeds before moving the transfer station .
- the periodic movement of the transfer station may be in response to installation of shaft lining extensions below the transfer station.
- the invention further provides a method of forming a mine shaft for an underground mine, comprising:
- the excavation of earth may be performed by an earth boring machine comprising a rotary cutting head.
- the hole may be lined progressively with a shaft lining incorporating a guide for the or each skip by installation of successive lining and skip guide extensions below the transfer station so as to extend the lining and the skip guide for the or each extension of lining in advance of skip movements downwardly along the extensions .
- the invention further provides apparatus for removing excavated material from a mine shaft during formation of the shaft, comprising:
- an extendible conveyor for transporting excavated material upwardly from an excavation region to a transfer station; at least one storage bin located at the transfer station to receive excavated material from an upper part of the conveyor;
- the invention also extends to apparatus for forming a mine shaft for an underground mine, comprising:
- an excavator for excavating earth to form a hole extending downwardly from an earth surface region; and an apparatus as defined above for removing earth excavated by the excavator.
- Figure 1 illustrates a shaft sinking system constructed and operated in accordance with the present invention
- Figure 2 is a vertical cross-section through the shaft sinking system
- Figure 3 is a vertical cross-section through an upper part of the system
- Figures 4 and 5 are horizontal cross-sections through the upper part of the system.
- Figures 6 and 7 illustrate the construction of a pair of skips and skip guides incorporated in the system. Detailed Description of the Preferred Embodiment
- FIG. 20 illustrates a mine shaft boring apparatus denoted generally as 20 located in a shaft hole 19.
- This apparatus comprises a boring machine 21 and an excavated material handling unit 22 disposed above the boring machine and operable to receive excavated material from the boring machine and to transfer it to skips for transport to ground level and discharge at ground level to appropriate conveying equipment or other transport for disposal.
- Earth boring machine 21 has a rotary cutting head 23 fitted with cutters 25 and is mounted at the lower end of a main machine frame 26.
- the cutter head is rotatable about a vertical axis so that the machine is operable to bore a generally cylindrically shaped hole.
- Bucket conveyors 45, 46 transport the excavated material from the cutter head upwardly to the material handling unit 22 disposed above the boring machine .
- the main machine frame 26 can be stabilised or locked into position within the bored hole by operation of
- the boring machine can be advanced downwardly by incremental advancement of the main frame 26 by operation of the stabilising jacks 27, 28 and grippers 29, 30 in known fashion.
- Material handling unit 22 comprises a galloway or main frame 31 formed by a series of platforms or decks 31a interconnected by circumferentially spaced vertical studs 32.
- Galloway 31 may be lowered into the shaft on cables and is supported independently of boring machine 21.
- Material handling unit 22 comprises a material transfer station 33 including a pair of storage bins in the form of hoppers 34 mounted side by side on galloway 31.
- the galloway also supports a bucket conveyor 46 which
- Conveyor 46 is operated while cutter head 23 is cutting to feed the excavated material into the bins and the material is discharged sequentially from the bins into a pair of skips 36 hoisted on cables 40 from ground level and fitted with wheels 37 which run on vertical guides 38 fitted to the shaft in the manner to be described below.
- Skips 36 may be arc gate bottom dump skips as shown in Figures 6 and 7.
- the top and bottom of each skip is fitted with two sets of wheels 37 to run on three sides of the respective vertical guides 38.
- Each skip is also fitted with open channel runners 50 lined with wear blocks to run along the guide.
- Skips 36 are operated in tandem so that as one skip is hoisted from the transfer station 33 to ground level, the other skip is lowered to the loading station.
- a skip 36 reaches the loading station the bottom floor of the respective bin 34 is moved to discharge material stored in the bin through discharge opening 39 into the skip.
- the contents of the bin empties quickly to discharge a predetermined discrete load of material into the skip and the bottom door of the bin is closed.
- Each bin has sufficient capacity to accumulate material from conveyor 46 as the skip is hoisted to the surface, its contents discharged by opening the bottom arc gate and the skip relowered to the loading station to receive another discrete load of material .
- Skips 36 are formed as long rectangular containers which are disposed so as to extend vertically along a side section or segment 52 of the shaft.
- This section of the shaft which occupies considerably less than 50% of the shaft cross-section may be divided from the remainder of the shaft space by steel formwork carrying the skip guides 38 and set into a shaft lining 42 installed within the shaft as boring progresses .
- the maximum width side segment 52 of the shaft may be no more than about one third of the shaft diameter .
- the shaft may be fitted with air ducts 43 and a delivery bucket or lift 44 for delivery of men and materials to the decks of galloway 34 and the mainframe of the boring machine, a central region 51 of the shaft remaining available as a heave lift compartment.
- skips 36 are constrained to run on guides which are firmly anchored to the shaft lining through the formwork 41 they can be of very robust construction and can be raised and lowered along the guides and within the protective formwork much more rapidly than the receptacles previously used for transmitting excavated material to the surface.
- the lining 42 may be formed of concrete and to enable progressive extension of the lining and the guides for the skips the shaft lining and skip guides may be extended by installation of successive lining and skip guide extensions below the transfer station 33 while material is being conveyed and transferred in advance of movements of the skips into the extensions of the lining as shaft sinking proceeds .
- the boring machine may be advanced in successive increments by alternate
- the bottom end of conveyor is vertically extensible by movement of a bottom loop 46a of the conveyor with compensating movement of an upper loop 46b to allow continued transport of excavated material by the conveyor to the transfer station and discharge into hoppers 34 without moving the transfer station as the cutter head of the boring machine and the conveyor 45 moves through a limited distance.
- an extension of the shaft lining 42 (not shown) can be installed below the transfer station, more
- the lining may be installed by spraying concrete directly onto the bored hole through a slick line extending from the surface and supplying concrete through a distributor to one or more , typically two , manually operated
- the concrete can be poured into formwork instead of being sprayed or the lining can be assembled from precast components and attached to the wall by bolting or other convenient means. Extensions of the skip guides and skip guide formwork can then be installed so as to be firmly anchored to the lining. The unit 22 can then be lowered so that the loading station is lowered and the skips 36 allowed to run onto the extended guides within the extended lining. If the lining is applied in wet form to the bore hole by spraying or other means, sufficient time will need to be allowed for the concrete to cure before the loading station is lowered.
- the transfer station As the transfer station is supported independently of the boring machine it can be moved in incremental steps or substantially continuous movements which may or may not match the movements of the boring machine . Typically such movements will be in response to the need to reposition to do another extension of the shaft lining.
- the invention enables the development of a material transfer and hoisting system as the hole progresses using skips which can be robust and can be hoisted and lowered more rapidly than kibbles and other unguided receptacles .
- the illustrated system is capable of moving excavated material at a rate equal to that required for removal of material in an operating mine.
- the capacity will depend on the size of the hoist at the surface and the depth of the shaft but a typical installation should be capable of moving at least 4,500 tonnes of excavated material per day. Accordingly, the transfer station and skip hoisting equipment as installed during the shaft sinking operation may be left in position and subsequently used for
- the illustrated system has been advanced by way of example only and it could be modified considerably including various skip guide arrangements .
- Various kinds of boring machines could be used in an apparatus or method in accordance with the invention . Such boring machines could use various types of cutters or may employ hydraulic or other types of excavation. The excavation may
- excavated material may be picked up for transport to the transfer station by any appropriate means such as by water slurry transport. It would also be possible to install a material sizing unit on the excavator to crush or
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10793425T DE10793425T8 (en) | 2009-06-30 | 2010-06-30 | MAKING A SHEEP FOR A UNDERGROUND DAY |
PL10793425T PL2449214T3 (en) | 2009-06-30 | 2010-06-30 | Forming a shaft for an underground mine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2009903054A AU2009903054A0 (en) | 2009-06-30 | Forming a shaft for an underground mine | |
PCT/AU2010/000820 WO2011000037A1 (en) | 2009-06-30 | 2010-06-30 | Forming a shaft for an underground mine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2449214A1 true EP2449214A1 (en) | 2012-05-09 |
EP2449214A4 EP2449214A4 (en) | 2013-01-23 |
EP2449214B1 EP2449214B1 (en) | 2020-12-30 |
Family
ID=43410362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10793425.9A Active EP2449214B1 (en) | 2009-06-30 | 2010-06-30 | Forming a shaft for an underground mine |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP2449214B1 (en) |
CN (1) | CN102472101B (en) |
AU (1) | AU2010268761B2 (en) |
BR (1) | BRPI1014138B1 (en) |
CA (1) | CA2765758C (en) |
CL (1) | CL2011003356A1 (en) |
DE (2) | DE10793425T8 (en) |
EA (1) | EA021979B1 (en) |
MX (1) | MX2012000112A (en) |
PE (1) | PE20121376A1 (en) |
PL (1) | PL2449214T3 (en) |
WO (1) | WO2011000037A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103046931B (en) * | 2012-12-03 | 2015-01-14 | 云南建工水利水电建设有限公司 | Method for forming holes of vertical shaft/pilot shaft through impact type drilling machine in impacting mode |
WO2014169337A1 (en) * | 2013-04-16 | 2014-10-23 | Technological Resources Pty. Limited | A method of moving a component or a material to and within a level of a shaft boring system |
WO2014194370A1 (en) | 2013-06-07 | 2014-12-11 | Technological Resources Pty. Limited | Guide system |
US10150649B2 (en) | 2013-06-07 | 2018-12-11 | Technological Resources Pty. Limited | Overwind conveyance drop protection |
RU2669971C2 (en) | 2013-08-23 | 2018-10-17 | Текнолоджикал Ресорсиз Пти. Лимитед | Skip and crosshead |
CN103821519B (en) * | 2013-11-14 | 2017-05-24 | 北京中煤矿山工程有限公司 | Integrated propulsion and tangential fore bearing support structure |
WO2015124728A2 (en) * | 2014-02-21 | 2015-08-27 | China Railway Engineering Equipment Group Co., Ltd (Creg) | Shaft installation system with a multi-purpose service column |
CN103924977B (en) * | 2014-02-27 | 2016-01-06 | 中铁工程装备集团有限公司 | Center stand column tunneling boring shaft drilling machine |
CA3044325A1 (en) * | 2016-09-21 | 2018-03-29 | Master Sinkers (Pty) Ltd | Shaft enlargement arrangement for a boring system |
US10732020B1 (en) | 2017-09-11 | 2020-08-04 | Grass Skirt Oilfield Consulting Inc. | Apparatus systems, and methods for determining cuttings level or volume in an enclosed cuttings skip |
US11014762B1 (en) | 2017-09-11 | 2021-05-25 | Grass Skirt Oilfield Consulting Inc. | Apparatus, systems and methods for weighing and distributing drill cuttings in an enclosed cuttings skip |
RU2685365C1 (en) * | 2018-08-28 | 2019-04-17 | Общество с ограниченной ответственностью "Скуратовский опытно-экспериментальный завод" | Method of mine shaft construction and a shaft-penetrating combine |
CN113482623B (en) * | 2021-06-28 | 2024-02-02 | 山西工程技术学院 | Vertical shaft shield machine and cutterhead system thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1608290A1 (en) * | 1968-03-15 | 1970-12-10 | Schachtbau Thyssen Gmbh | Device for sinking sheep |
US3965995A (en) * | 1975-03-06 | 1976-06-29 | The Robbins Company | Machine for boring a large diameter blind hole |
JP2003003780A (en) * | 2001-06-19 | 2003-01-08 | Ohbayashi Corp | Vertical shaft excavation device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4589502A (en) * | 1984-05-04 | 1986-05-20 | Cementation Company Of America, Incorporated | Earth boring apparatus |
US4646853A (en) * | 1984-07-31 | 1987-03-03 | The Robbins Company | Shaft boring machine and method |
US5112111A (en) * | 1990-12-10 | 1992-05-12 | Addington Resources, Inc. | Apparatus and method for continuous mining |
CN1036674C (en) * | 1993-01-15 | 1997-12-10 | 山西矿业学院 | Apparatus for sinking shaft and its job practice |
CN2300726Y (en) * | 1997-05-19 | 1998-12-16 | 王家喜 | Vertical lifting conveyer |
CN1525043A (en) * | 2003-02-24 | 2004-09-01 | 蔡德彬 | Cycle type vertical shaft drilling and digging equipment and construction method thereof |
WO2005049966A1 (en) * | 2003-11-20 | 2005-06-02 | J.S. Redpath Limited | Earth boring apparatus for sinking shafts and method of excavating a shaft |
ES2392575T3 (en) * | 2008-07-31 | 2012-12-11 | Herrenknecht Ag | Method for performing a vertical well and a well digging machine |
-
2010
- 2010-06-30 PE PE2011002185A patent/PE20121376A1/en active IP Right Grant
- 2010-06-30 EA EA201270083A patent/EA021979B1/en not_active IP Right Cessation
- 2010-06-30 DE DE10793425T patent/DE10793425T8/en active Active
- 2010-06-30 CA CA2765758A patent/CA2765758C/en active Active
- 2010-06-30 AU AU2010268761A patent/AU2010268761B2/en active Active
- 2010-06-30 MX MX2012000112A patent/MX2012000112A/en active IP Right Grant
- 2010-06-30 WO PCT/AU2010/000820 patent/WO2011000037A1/en active Application Filing
- 2010-06-30 BR BRPI1014138-3A patent/BRPI1014138B1/en active IP Right Grant
- 2010-06-30 DE DE202010017762U patent/DE202010017762U1/en not_active Expired - Lifetime
- 2010-06-30 EP EP10793425.9A patent/EP2449214B1/en active Active
- 2010-06-30 CN CN201080029789.3A patent/CN102472101B/en active Active
- 2010-06-30 PL PL10793425T patent/PL2449214T3/en unknown
-
2011
- 2011-12-29 CL CL2011003356A patent/CL2011003356A1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1608290A1 (en) * | 1968-03-15 | 1970-12-10 | Schachtbau Thyssen Gmbh | Device for sinking sheep |
US3965995A (en) * | 1975-03-06 | 1976-06-29 | The Robbins Company | Machine for boring a large diameter blind hole |
JP2003003780A (en) * | 2001-06-19 | 2003-01-08 | Ohbayashi Corp | Vertical shaft excavation device |
Non-Patent Citations (1)
Title |
---|
See also references of WO2011000037A1 * |
Also Published As
Publication number | Publication date |
---|---|
MX2012000112A (en) | 2012-02-29 |
DE202010017762U1 (en) | 2012-07-17 |
EA201270083A1 (en) | 2012-06-29 |
DE10793425T8 (en) | 2013-04-25 |
DE10793425T1 (en) | 2012-11-08 |
CA2765758A1 (en) | 2011-01-06 |
CA2765758C (en) | 2013-04-02 |
PL2449214T3 (en) | 2021-08-23 |
EA021979B1 (en) | 2015-10-30 |
CN102472101B (en) | 2014-03-12 |
CN102472101A (en) | 2012-05-23 |
EP2449214B1 (en) | 2020-12-30 |
BRPI1014138B1 (en) | 2019-11-05 |
AU2010268761B2 (en) | 2012-07-26 |
CL2011003356A1 (en) | 2012-06-22 |
AU2010268761A1 (en) | 2012-01-19 |
PE20121376A1 (en) | 2012-10-15 |
EP2449214A4 (en) | 2013-01-23 |
WO2011000037A1 (en) | 2011-01-06 |
BRPI1014138A2 (en) | 2019-04-09 |
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