Classifications

• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21C—MINING OR QUARRYING
  • E21C41/00—Methods of underground or surface mining; Layouts therefor
  • E21C41/26—Methods of surface mining; Layouts therefor
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
  • E01B25/00—Tracks for special kinds of railways
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
  • E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
  • E01B23/02—Tracks for light railways, e.g. for field, colliery, or mine use
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
  • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
  • E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
  • E21F13/00—Transport specially adapted to underground conditions
  • E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts

Definitions

• the invention relates to a precast carriageway and their manufacture. More specifically, the invention relates to a precast track for a mining mine for mining pressure in open pit.
• the invention finds application in opencast mining, in particular for removing the deposit and advancing in sohlig, occurring in staircase-like paragraphs falling waste mountains, with a correspondingly strong with the increasing depth of excavation down wide excavation funnel forms.
• Strossen i. stepped steps are dismantled.
• the height of the pile determined by the strength of the soil, the mechanical equipment and economic considerations is on average about 15m.
• inclined conveyor systems have been proposed, with the help of which the dump truck empty transported to the removal parts and are conveyed up again in the loaded state from the excavator.
• the inclined conveyor system exists essentially from a driving platform, which can be moved by means of appropriate cables on a sloping roadway up and down.
• the invention is therefore an object of the invention to provide a generic conveyor system that can be easily and inexpensively built and installed directly on site. This object is achieved by the method and the precast carriageway as defined in the claims.
• an inclined from the edge of the funnel or open pit on the surface of the earth to the funnel sole extending oblique conveyor system is laid starting from an upper edge of the open pit.
• the travel path of the inclined conveyor system in accordance with the invention consists of finished parts.
• the inclined conveyor comprises a transport platform drivable by mining pressure and a counterweight, which below This conveyor platform runs in the track. Conveyor platform and counterweight run in this way within the track on different, superimposed raceways, which have rails.
• a foundation is first provided. The track can be made both from the bottom of the open pit, as well as from an upper edge of the open pit to the sole.
• This foundation is preferably created from the open pit available overburden or directly in the wall of the mine. At least one basic element is placed on the created foundation.
• This base element is formed from at least two base plates, which are spaced by at least one cross member and the base plates are connected to the cross member.
• This connection of the base plates with the cross members can be done by a positive and / or non-positive connection.
• Advantageous are molded elements in the connection, which are supplemented by screws ben.
• metal structures are provided both in the base plate and in the cross member at corresponding locations, which are particularly preferably poured in each case.
• also provided for the connection in the carriers space for the screw can be filled by a casting with concrete or other suitable material.
• the base element is fixed on the foundation by anchors, which can also extend through the foundation in the grown underground. At least some of these anchorages can be installed in an overlapping area of two adjoining base elements, so that the anchors used there anchor both base elements.
• anchors When anchoring the anchors can be introduced to previously prepared structures in the respective base elements, or these structures are only at installation prepared at the installation site. Preferably, these structures are holes through which the anchors are introduced into the ground. However, other structures are conceivable with which the anchors are connected. The number of anchors depends primarily on the weight of the system to be anchored and the substrate quality.
• the base element After anchoring is placed on the base element at least one roadway element, preferably at least two roadway elements, and connected to the base member.
• the base element can be used together with the roadway elements, in which case the structures for the anchors can already be present or can only be created at the installation location, the structures extending through both the respective roadway element and the base element can. It is advantageous that the roadway elements for the two tracks are identical parts, so that does not have to be made different parts, stored and installed.
• the individual roadway elements are aligned with each other with the aid of spacer elements which are interposed between the base element and the roadway element. Furthermore, then the individual joints or possibly resulting gaps, both between the adjacent base parts, as well as the adjacent roadway parts and lying on the roadway parts, juxtaposed rails filled and the parts are coupled in this way. This is advantageous, in particular in the case of the rails, since it is thus possible to reduce vibrations of the conveyor platform or of the counterweight.
• the respective adjacent base elements and roadway elements can be connected to connection structures such as tie rods, threaded connections or by any other conceivable form, force or cohesive connection.
• connection structures such as tie rods, threaded connections or by any other conceivable form, force or cohesive connection.
• An element of the precast carriageway comprises at least one base carrier, at least one roadway element and a plurality of spacer elements, which between the Base support and the roadway element are arranged to their orientation to each other.
• at least one push knob is provided, which is also arranged between the base support and the roadway element and transmits the static and dynamic loads acting on the roadway element, on the base support / base element and thus on the anchors in the foundation.
• the thrust pegs are preferably executed centrally and coincidentally with each other, both in the roadway element, as well as the base support.
• the touching surfaces of the sliding knob can be executed unclad from the material of the base support / roadway element, or eg with the interposition of metal plates.
• transverse force brackets are provided on the base support for the transverse forces occurring (not in the direction of travel of the platform / counterweight). These absorb any transverse forces that may occur and transmit them via the anchorages into the foundation.
• the base support may have at least one structure at the two ends pointing to the next base support, which allows mutually adjacent base supports to be connected to one another preferably by positive locking so that the base support is anchored in the work for its anchoring Foundation no longer needs to be held by additional structures.
• the underside of the base element, which faces the foundation, can be calculably roughened via inserted or attached strips or similar structures formed on the base element and connected to the foundation or ground by means of local encapsulation.
• the cross member and base plates for stiffening shelves can be inserted. These are preferably designed geometrically so that they are held by positive engagement between the base beams and the cross members.
• the roadway elements form two differently high levels on each base support and together with another base support in a base element two raceways, which are arranged one above the other due to the different levels and are each formed by two rails.
• These rails can be connected either directly or through interposed structures with the roadway element.
• the rails are made in two parts, so that an upper part the running rail is connected to a lower part of the running rail by a preferably detachable connection. This lower part is detachably or firmly connected to the roadway element.
• a worn upper part of a running rail can be replaced and does not have to be laboriously welded on site eg material.
• all rails for the two races each have the same type and size, so that not different types of rails must be kept on the site.
• the spacer elements are arranged between the base element and the track element such that a distance between the two elements can be varied.
• the spacer elements can be designed so that they are able to transmit the forces acting on the roadway part dynamic and static loads on the base member.
• the Schubknagge could be omitted.
• a spacer element consists of a trapezoidal thread spindle with mating nut or threaded sleeve.
• Such a spacer element is then introduced into a base support or roadway element such that it can be adjusted and the respective screw part can engage in the nut part in the installed state of both elements.
• any design of the spacer elements can be used (wedges, hydraulic presses, etc.).
• the spacers allow accurate alignment of the routes for the platform and the counterweight even with a lower installation accuracy of the base elements.
• the roadway element may have lateral force holders, which in turn may carry cable guide rollers.
• each track has its own lateral force holder with cable guide rollers.
• a central shear load holder is also conceivable.
• FIG. 1 is an overview of an inclined conveyor system according to the invention for mining pressure, which is constructed of prefabricated parts.
• FIG. 2 is a perspective sectional view of a finished part of an embodiment of the installation according to FIG. 1.
• FIG. 3 is a side view from the outside of a finished part of an embodiment of the installation according to FIG. 1.
• FIG. 4 is a cross-sectional view of a finished part of an embodiment of the plant according to FIG. 1. Detailed description of the embodiment
• Figure 1 shows an inclined conveyor system for mining pressure 1, the route 2 is created from the finished parts 5 according to the invention. On this track 2 both a conveyor platform 4, which can receive a mining pressure 3, as well as a counterweight 6. The conveyor platform 4 and the counterweight 6 run on superimposed tracks A and B. The inclination of the track 2 is characterized by the angle a, which is typically between 40 ° to 60 °.
• Figure 2 shows the finished part 5, the main elements of a base member 51 consisting of two base supports 510 (only one shown) and three cross members 520 (only one shown), and four roadway elements 52 (only two shown). The base member 51 is connected to the lane members 52 via push catches 53 and a plurality of spacers 54 and supports 60.
• the spacer elements 54 are anchored both in the base carrier 510 and in the roadway element 52 and thus connect the elements 510 and 52 so as to be adjustable.
• the spacers 54 are formed as Trapezdspindelhubwerke.
• the supports 60 relieve, at least in part, the spacer elements 54 after the spacer elements 54 have been adjusted.
• the finished part 5 has, as can furthermore be seen in FIG. 2, two raceways A and B. These tracks A and B are arranged one above the other, so that the counterweight 6 can pass under the conveyor platform 4 when the two meet.
• the different levels of the tracks are due to the shape of the base support 510 in which the recordings (Schubknaggen, spacer elements, support elements, etc.) for the roadway elements 52 are at different levels.
• the track width of the inner and lower tracks for the counterweight 6 is smaller than that of the track for the conveyor platform 4.
• the tracks A and B each consist of a pair of rails 55 (shown schematically). In this embodiment crane rails of the type DIN 536 A 150 are used.
• the finished part 5 has a push knob, but only the push element formed between the base support 510 and the track element 52 is shown. Knagge 53.
• Each of the push catches of the finished part 5 has an upper part 53 a and a lower part 53 b.
• the upper part 53a is located opposite to the lower part 53b so as to be uphill and overlapped with the lower part 53b.
• a static and dynamic load on the frictional engagement of the two parts 53 a and 53 b are derived in the respective base support 510 of the base member 51.
• the push catches are each carried out centrally in the base support 510.
• the overlapping of the two parts 53a and 53b of the sliding knob has to be so great that even with the maximum distance between the basic carrier 510 and the track element 52 there is a sufficiently large overlapping area in order to transmit the occurring static and dynamic loads.
• the track member 52 further includes a plurality of holes 59, in which the anchors are set, which then connect the base member with the foundation.
• the number of holes 59 and thus the anchor used per finished part 2 depends mainly on the load to be transmitted, the anchor design and the ground.
• the holes 59 can already be provided in the production of the finished part, or be created only at the installation site in the open pit, depending on the number of anchors in the corresponding section is needed.
• Figure 3 shows each overlap or engagement areas C and D, over which adjacent finished parts are engaged with each other.
• transverse force consoles 511 of the basic carrier 510 are shown, which laterally support the roadway element 52 and, together with the transverse force holders 56, stiffen the precast element 5.
• a handrail 512 is attached to the lateral power consoles 511. Together with a flight of stairs 513, the handrail 512 forms a staircase next to the track of the platform.
• Section E shows the use of interconnected plates in the push knob.
• Figure 4 shows in cross section the substantially symmetrical structure of the finished part 5.
• the finished part 5 further comprises two shear force holders 56 and 57, which support the respective track A and B. These lateral force holders 56 and 57 prevent deformation of the finished part 5.
• the lateral force holder 56 and 57 carry a plurality of cable guide rollers 58, with which the operation of the Schrägf ⁇ rderstrom 1 necessary ropes are performed.
• On the base support 510 side transverse force brackets 511 are shown. Sterkrafthalter 56, 57 and transverse power brackets 511 stiffen the roadway elements 52.
• both base support 510 and cross member 520 can be anchored. A connection region of the base carrier 510 with the cross member 520 is not shown. Details E and F show concealed plotted the Schubknaggen 53 between the respective roadway elements 52 and the base beams 510th

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• Engineering & Computer Science (AREA)
• Mining & Mineral Resources (AREA)
• Mechanical Engineering (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Geochemistry & Mineralogy (AREA)
• Geology (AREA)
• Remote Sensing (AREA)
• Escalators And Moving Walkways (AREA)
• Road Paving Structures (AREA)
• Attitude Control For Articles On Conveyors (AREA)
• Warehouses Or Storage Devices (AREA)
• Auxiliary Methods And Devices For Loading And Unloading (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Connection Of Plates (AREA)
• Chain Conveyers (AREA)
• Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
• Machines For Laying And Maintaining Railways (AREA)

Priority Applications (12)

Applications Claiming Priority (2)

Publications (2)

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• 2011
  • 2011-07-19 DE DE102011108093.0A patent/DE102011108093B4/de not_active Expired - Fee Related
• 2012
  • 2012-07-19 EP EP12737552.5A patent/EP2734707B1/de active Active
  • 2012-07-19 US US14/233,196 patent/US20140252102A1/en not_active Abandoned
  • 2012-07-19 WO PCT/EP2012/064165 patent/WO2013011083A2/de active Application Filing
  • 2012-07-19 AU AU2012285793A patent/AU2012285793B2/en not_active Ceased
  • 2012-07-19 CA CA2842382A patent/CA2842382C/en not_active Expired - Fee Related
  • 2012-07-19 AP AP2014007384A patent/AP2014007384A0/xx unknown
  • 2012-07-19 CN CN201280045444.6A patent/CN103842616B/zh not_active Expired - Fee Related
  • 2012-07-19 KR KR1020147003509A patent/KR101606526B1/ko not_active IP Right Cessation
  • 2012-07-19 EA EA201400082A patent/EA026169B1/ru not_active IP Right Cessation
  • 2012-07-19 BR BR112014001190A patent/BR112014001190A2/pt not_active IP Right Cessation
  • 2012-07-19 UA UAA201400783A patent/UA111366C2/ru unknown
• 2014
  • 2014-01-15 ZA ZA2014/00315A patent/ZA201400315B/en unknown
  • 2014-01-17 CL CL2014000141A patent/CL2014000141A1/es unknown
  • 2014-01-17 MA MA36690A patent/MA35270B1/fr unknown

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