WO2016138565A1 - Procédé et système hydraulique permettant une opération d'exploitation minière - Google Patents

Procédé et système hydraulique permettant une opération d'exploitation minière Download PDF

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Publication number
WO2016138565A1
WO2016138565A1 PCT/AU2016/050146 AU2016050146W WO2016138565A1 WO 2016138565 A1 WO2016138565 A1 WO 2016138565A1 AU 2016050146 W AU2016050146 W AU 2016050146W WO 2016138565 A1 WO2016138565 A1 WO 2016138565A1
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WO
WIPO (PCT)
Prior art keywords
hydraulic
vehicle
motor
hydraulic circuit
shuttle car
Prior art date
Application number
PCT/AU2016/050146
Other languages
English (en)
Inventor
Haydn HARRISON
Original Assignee
Hayka Pty Ltd
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
Priority claimed from AU2015900745A external-priority patent/AU2015900745A0/en
Application filed by Hayka Pty Ltd filed Critical Hayka Pty Ltd
Publication of WO2016138565A1 publication Critical patent/WO2016138565A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2016—Winches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/40—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
    • B65H75/42—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles
    • B65H75/425—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles attached to, or forming part of a vehicle, e.g. truck, trailer, vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4481—Arrangements or adaptations for driving the reel or the material
    • B65H75/4489—Fluid motors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2275—Hoses and supports therefor and protection therefor
    • 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
    • E21F13/02—Transport of mined mineral in galleries
    • E21F13/025—Shuttle cars
    • 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
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/04—Distributing means for power supply in mines
    • E21F17/06—Distributing electric power; Cable networks; Conduits for cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/34—Handled filamentary material electric cords or electric power cables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum

Definitions

  • the present invention relates to mining operations and in particular to a method and system for operating a cable reel on a shuttle car in a mining operation. More particularly, the present invention relates to a hydraulic circuit for operating the cable reel on a shuttle car.
  • the mining operation is shut down and stepped forward by 100 metres, including the power distribution control box and the conveyor.
  • the shuttle car is parked at or near the cutting face and power to the shuttle car is disconnected by detaching the electrical cable at the distribution control box.
  • the electrical cable must then be manually spooled and carried forward to the new site of the power distribution control box, following the stepping forward process, where it is reconnected to once again supply power to the shuttle car.
  • the present disclosure provides a method of advancing an underground mining operation to an advanced location, the mining operation including an electric shuttle car powered by an electric cable from a power distribution control box, the shuttle car having a cable reel with a hydraulic motor for spooling and unspooling the electrical cable, the method comprising:
  • the hydraulic circuit associated with the shuttle car controls the hydraulic pressure and flow rate applied to the cable reel motor.
  • the hydraulic circuit associated with the shuttle car is adapted to automatically isolate a hydraulic supply of the shuttle car in response to the hydraulic supply lines of the ancillary vehicle being connected to the hydraulic circuit associated with the shuttle car.
  • the hydraulic circuit preferably comprises:
  • a supply line connecting a first hydraulic system of the first vehicle to the hydraulic motor to operate the hydraulic motor
  • auxiliary supply inlet connected to the supply line and adapted to receive hydraulic fluid under pressure from a second hydraulic system
  • auxiliary return outlet connected to the return line and adapted to return hydraulic fluid from the hydraulic motor to the second hydraulic system; and a valving system adapted to allow the second hydraulic system to control operation of the hydraulic motor when the second hydraulic system is connected to the auxiliary supply inlet and auxiliary return outlet of the hydraulic circuit.
  • the valving system comprises:
  • a resiliently biased first switching valve adapted to switch between a resiliently biased first state, in which the return line is in fluid communication with the first hydraulic system, and a second state, in which the return line is in fluid communication with the auxiliary return outlet.
  • the present disclosure provides a hydraulic circuit for connecting a hydraulic motor on a first vehicle to a second hydraulic system, the hydraulic circuit comprising:
  • a supply line connecting a first hydraulic system of the first vehicle to the hydraulic motor to operate the hydraulic motor
  • auxiliary supply inlet connected to the supply line and adapted to receive hydraulic fluid under pressure from a second hydraulic system
  • auxiliary return outlet connected to the return line and adapted to return hydraulic fluid from the hydraulic motor to the second hydraulic system
  • a valving system adapted to allow the second hydraulic system to control operation of the hydraulic motor when the second hydraulic system is connected to the auxiliary supply inlet and auxiliary return outlet of the hydraulic circuit.
  • the valving system comprises a resiliently biased first switching valve adapted to switch between a resiliently biased first state, in which the return line is in fluid communication with the first hydraulic system, and a second state, in which the return line is in fluid communication with the auxiliary return outlet.
  • the hydraulic circuit preferably further comprises:
  • a case drain line connecting the hydraulic motor to the first hydraulic system; and an auxiliary drain outlet connected to the case drain line and adapted to drain hydraulic fluid from the hydraulic motor to the second hydraulic system;
  • the valving system further comprises a resiliently biased second switching valve adapted to switch between a resiliently biased first state, in which the case drain line is in fluid communication with the first hydraulic system, and a second state, in which the case drain line is in fluid communication with the auxiliary drain outlet.
  • the supply line includes a pressure reducing valve and a flow control valve.
  • the first vehicle is a shuttle car and the hydraulic motor is a cable reel motor.
  • the second hydraulic system is provided by a second vehicle.
  • the second vehicle is an LHD loader.
  • the present disclosure provides a system for operating a hydraulic motor on a first vehicle using a second vehicle, the system comprising:
  • a first vehicle having a first hydraulic system and a hydraulic motor operable by the first hydraulic system
  • hydraulic circuit as claimed in the second aspect above, the hydraulic circuit being associated with the first vehicle and adapted for connection to the second hydraulic system by the hydraulic supply lines.
  • the hydraulic circuit is permanently installed on the first vehicle.
  • the first vehicle is a shuttle car and the hydraulic motor is a cable reel motor.
  • the second vehicle is an LHD loader.
  • FIG. 1 is a schematic depiction of a mining operation;
  • Fig. 2 depicts a hydraulic flow control circuit;
  • Fig. 3 is a hydraulic system of a shuttle car with the hydraulic circuit of Fig. 2;
  • Fig. 4 is a schematic depiction of a hydraulic circuit between a shuttle car and a loader
  • Fig. 5 is a schematic depiction of a hydraulic circuit between a shuttle car and a loader
  • Fig. 6 is an alternative hydraulic circuit for use with a shuttle car.
  • Fig. 7 is an alternative hydraulic circuit for use with a shuttle car.
  • Fig. 1 depicts an underground mining operation 10 involving a miner 12, a feeder breaker 14, a conveyor belt 16 and a shuttle car 18.
  • the shuttle car 18 is used to transport material from the cutting face 20, where the miner 12 operates, to the feeder breaker 14 at the head of the conveyor belt 16.
  • the shuttle car 18 runs on electrical power supplied from a power distribution control box 22 via an electrical cable 24.
  • the electrical cable 24 runs from the power distribution control box 22 to the feeder breaker 14 and from there extends to a cable reel 26 on the shuttle car 18.
  • a hydraulic circuit 100 such as depicted in Fig. 7, is used to connect the hydraulic system of an ancillary vehicle, such as an LHD loader, to the motor of the cable reel 26.
  • the motor of the cable reel 26 is then driven to fully spool the electrical cable 24 onto the cable reel 26.
  • the mining operation 10 depicted in Fig. 1 shows the sites of the former power distribution control box 22' and the former feeder breaker 14' prior to the last stepping forward process.
  • This improved stepping forward process for the mining operation 10 requires much less manual labour and therefore, has the significant advantages of saving on labour costs and of reducing the occupational health and safety risks and equipment damage risks associated with manual spooling of the electrical cable.
  • a hydraulic circuit 100 is connected via a first check valve 202 to a first hydraulic system 200 of a first vehicle, such as the shuttle car 18 depicted in Fig. 1.
  • the hydraulic circuit 100 is also connected to the inlet and outlet of a hydraulic motor 210 of the first vehicle, which in this embodiment is the motor of the cable reel 26 depicted in Fig. 1.
  • the first hydraulic system 200 includes a pump 204, a pressure filter 206, and a fluid reservoir 208.
  • the hydraulic circuit 100 is retro-fitted onto or into the shuttle car 18.
  • the shuttle car 18 may be produced with the hydraulic circuit 100 inbuilt.
  • a valving system is provided in the hydraulic circuit 100, which is adapted to allow a second hydraulic system to control operation of the hydraulic motor 210 when the second hydraulic system is connected to the hydraulic circuit 100.
  • the hydraulic circuit 100 includes a supply line 102 and a return line 104.
  • the supply line 102 connects the first hydraulic system 200 of the first vehicle, via a first flow control valve 106 and a pressure regulating valve 108, to an inlet of the motor 210.
  • the return line 104 connects an outlet of the motor 210, via a resiliently biased first switching valve 120, to the fluid reservoir 208 of the first vehicle.
  • the pressure regulating valve 108 is also connected to the return line 104 via a second flow control valve 110.
  • the first switching valve 120 is also connected to an auxiliary return outlet 122 and is adapted to switch between a first state, in which the return line 104 is in fluid communication with the fluid reservoir 208 of the first vehicle, and a second state, in which the return line 104 is in fluid communication with the auxiliary return outlet 122.
  • the hydraulic circuit 100 further includes a case drain line 112 connecting a drain port of the hydraulic motor 210, via a resiliently biased second switching valve 124, to a drain system 212 of the first vehicle.
  • the second switching valve 124 is also connected to an auxiliary drain outlet 126 and is adapted to switch between a first state, in which the case drain line 112 is in fluid communication with the drain system 212 of the first vehicle, and a second state, in which the case drain line 112 is in fluid communication with the auxiliary drain outlet 126.
  • the hydraulic circuit 100 further includes an auxiliary supply inlet 130 connected via a second check valve 114 to the supply line 102 upstream of the first flow control valve 106.
  • the auxiliary supply inlet 130 is also connected to pressure switches of the first and second switching valves 120, 124, such that hydraulic pressure over a predetermined level received via the auxiliary supply inlet 130 causes each of the first and second switching
  • valves 120, 124 to switch from the first state to the second state.
  • the first and second switching valves 120, 124 are pressure-sense, spring- return valves.
  • the hydraulic circuit 100 further includes an auxiliary port 132 connected to the supply line 102 downstream of the pressure regulating valve 108 to allow for load sense equipment to be connected or to allow for override of the hydraulic circuit 100.
  • a pressure gauge 134 is also provided in the supply line 102 to monitor hydraulic pressure at the inlet to the pump 210.
  • a second vehicle with a powered second hydraulic system such as the ancillary vehicle described in the method depicted in Fig. 1, can be used to power the hydraulic circuit 100 on the first vehicle.
  • Hoses are used to connect the second hydraulic system of the second vehicle to the hydraulic circuit 100 of the first vehicle. Specifically, the hydraulic pressure line from the second vehicle is connected to the auxiliary supply inlet 130, the fluid return system of the second vehicle is connected to the auxiliary return outlet 122, and the fluid drain system of the second vehicle is connected to the auxiliary drain outlet 126.
  • Hydraulic pressure flows from the auxiliary supply inlet 130, through the second check valve 114, the first flow control valve 106, and the pressure regulating valve 108, to the pump 210.
  • the first check valve 202 prevents hydraulic fluid from the auxiliary supply inlet 130 from entering the first hydraulic system.
  • the hydraulic fluid After powering the pump 210, the hydraulic fluid returns from the pump 210, through the first switching valve 120 and the auxiliary return outlet 122, to the second hydraulic system of the second vehicle.
  • the case drain line 112 delivers drained fluid from the motor 210, through the second switching valve 124 and the auxiliary drain outlet 126, to the second hydraulic system of the second vehicle.
  • a hydraulic pressure line can be connected to the auxiliary port 132 which will supply hydraulic pressure directly to the motor 210.
  • the hydraulic circuit 100 allows an ancillary vehicle, such as an LHD loader, to be quickly and easily connected to the shuttle car 18 to power the motor 210 of the cable reel 26. This allows the motor 210 of the cable reel 26 to be powered even when the shuttle car 18 has been disconnected from the power distribution control box 22.
  • the hydraulic circuit 100 via the first and second switching valves 120, 124 automatically isolates the first hydraulic system 200 of the first vehicle when hydraulic pressure from the second hydraulic system is connected to the hydraulic circuit 100, thereby preventing hydraulic fluid from the second hydraulic system from entering the first hydraulic system 200 and maintaining a closed and isolated hydraulic circuit.
  • the second hydraulic system is disconnected from the hydraulic circuit 100 and due to the reduction of pressure from the auxiliary supply inlet 130, the resiliently biased first and second switching valves 120, 124 are each automatically biased to return to the first state, resulting in the motor 210 being operable by the first hydraulic system 200 once again.
  • the hydraulic circuit 30 has a pair of corresponding flow lines, being a first and second flow lines 40, 41.
  • the first flow line 40 extends from a first end 42 through a pressure reducing valve 44, then through a flow control valve 46 to a second end 48.
  • the second flow line 41 extends from a first end 43 through a pressure reducing valve 45, then through a flow control valve 47 to a second end 49.
  • the pressure reducing valve 44 of the first flow line 40 vents or drains via a first drain line 50 through a first one-way check valve 52 to the second flow line 41 at a point between the first end 43 and the pressure reducing valve 45.
  • the pressure reducing valve 45 of the second flow line 41 vents or drains via a second drain line 51 through a second one-way check valve 53 to the first flow line 40 at a point between the first end 42 and the pressure reducing valve 44.
  • the first ends 42, 43 are adapted to be fluidly connected to a remote supply of hydraulic power, such as from an ancillary vehicle 32, and the second ends 48, 49 are adapted to be connected in fluid isolation to the motor 34 of the cable reel 26.
  • the hydraulic circuit 30 may be physically provided on the shuttle car 18, on the ancillary vehicle 32 or as a detachable unit. This hydraulic circuit 30 is then able to power the motor 34 of the cable reel 26 using the hydraulic circuit of the ancillary vehicle 32, despite the shuttle car 18 itself having no power supply.
  • the hydraulic circuit 30 can be implemented to drive the cable reel motor 34 in a number of ways, which will be described in turn below.
  • the shuttle car 18 is fitted with a detachable hydraulic circuit 30.
  • the shuttle car 18 has hydraulic supply lines, being a pressure line 60 and a return line 62, which are connected to and drive the cable reel motor 34.
  • the cable reel motor 34 also has a case drain 64.
  • the hydraulic supply lines 60, 62 and the case drain 64 each include an isolation valve 61, 63, 65 that can be either built-in or retro-fitted to the shuttle car 18. These isolation valves 61, 63, 65 are operable to isolate the hydraulic supply lines 60, 62 and the case drain 64 from the cable reel motor 34.
  • a first isolation valve 61 is provided in the pressure line 60
  • a second isolation valve 63 is provided in the return line 62
  • a third isolation valve 65 is provided in the case drain 64.
  • the shuttle car 18 is also provided with hydraulic connection points 66, 67, 68, with a first connection point 66 being provided between the first isolation valve 61 and the cable reel motor 34, a second connection point 67 being provided between the second isolation valve 63 and the cable reel motor 34 and a third connection point 68 being provided between the third isolation valve 65 and the cable reel motor 34.
  • the second ends 48, 49 of the first and second flow lines 40, 41 of the hydraulic circuit 30 are adapted to be connected to the first and second connection points 66, 67 of the shuttle car 18, respectively, to provide direct fluid communication between the first and second flow lines 40, 41 of the hydraulic circuit 30 and the cable reel motor 34.
  • the first ends 42, 43 of the first and second flow lines 40, 41 of the hydraulic circuit 30 are connection points that allow the hydraulic circuit 30 to be connected to a hydraulic circuit of an ancillary vehicle 32.
  • the hydraulic circuit 30 is connected and operated as follows.
  • the isolation valves 61, 63, 65 are actuated to isolate the cable reel motor 34 from the hydraulic supply lines 60, 62 and the case drain 64.
  • the second ends 48, 49 of the first and second flow lines 40, 41 of the hydraulic circuit 30 are connected to the first and second connection points 66, 67, respectively, of the shuttle car 18.
  • the connection points at the second ends 48, 49 of the first and second flow lines 40, 41 of the hydraulic circuit 30 are adapted to be connected to a pressure line and return line, respectively, on an ancillary vehicle 32.
  • the third connection point 68 of the shuttle car 18 is adapted to be connected to a case drain of the ancillary vehicle 32.
  • hydraulic pressure from the ancillary vehicle 32 is applied via the first end 42 of the first flow line 40 of the hydraulic circuit 30.
  • the pressure reducing valve 44 and flow control valve 46 of the first flow line 40 are used to control the flow rate and pressure to suit operation of the cable reel motor 34.
  • the oil passing through the pressure reducing valve 44 and flow control valve 46 of the first flow line 40 enters the cable reel motor 34 via the first connection point 66 and drives rotation of the cable reel.
  • the oil then exits the cable reel motor 34 via the second connection point 67 and passes into and along the second flow line 41 of the hydraulic circuit 30, before passing into the return line of the ancillary vehicle 32 via the connection point at the first end 43.
  • Excess oil pressure in the first flow line 40 is vented via the first drain line 50 to the second flow line 41, which flows back along the second flow line towards the first end 43 and into the return line of the ancillary vehicle 32. Oil that drains through the cable reel motor 34 is drained to the case drain of the ancillary vehicle 32 via the third connection point 68 of the shuttle car 18.
  • the shuttle car 18 can have a permanently installed hydraulic circuit 30 connected to the cable reel motor 34 that can be detachably connected to a hydraulic circuit of the ancillary vehicle, depicted here as a loader 32.
  • the shuttle car 18 has a hydraulic cable reel motor 34, connected to hydraulic supply lines, being a pressure line 60 and a return line 62.
  • the cable reel motor 34 also has a case drain 64.
  • the hydraulic supply lines 60, 62 and the case drain 64 each include an isolation valve, in the form of a three-way diversion valve 70, 72, 74 that can be either built- in or retro-fitted to the shuttle car 18.
  • a first three-way diversion valve 70 is provided in the pressure line 60
  • a second three-way diversion valve 72 is provided in the return line 62
  • a third three-way diversion valve 74 is provided in the case drain 64.
  • These three-way diversion valves 70, 72, 74 are operable to isolate the hydraulic supply lines 60, 62 and the case drain 64 from the cable reel motor 34 and to open flow from the first and second flow lines 40, 41 of the hydraulic circuit 30 to the cable reel motor 34.
  • the loader 32 has a power take off hydraulic circuit 76 and a locking tongue hydraulic circuit 80 that drives movement of a locking tongue piston 81.
  • the locking tongue hydraulic circuit 80 has hydraulic supply lines being a pressure line 82 and a return line 86.
  • the hydraulic supply lines 82, 86 each include an isolation valve in the form of a three-way diversion valve 84, 88 that can be either built-in or retro-fitted to the loader 32.
  • a first three-way diversion valve 84 is provided in the pressure line 82 and a second three-way diversion valve 88 is provided in the return line 86.
  • These three-way diversion valves 84, 86 are operable to isolate the locking tongue piston 81 from the hydraulic supply lines 82, 86 and to allow flow between the hydraulic supply lines 82, 86 and externally attached flow lines.
  • the hydraulic circuit 30, as shown in detail in Fig. 2 is provided on the shuttle car 18.
  • the second end 48 of the first flow line 40 of the hydraulic circuit 30 is fluidly connected into the first three-way diversion valve 70 of the pressure line 60 of the cable reel motor 34.
  • the second end 49 of the second flow line 41 of the hydraulic circuit 30 is fluidly connected into the second three-way diversion valve 72 of the return line 62 of the cable reel motor 34.
  • the loader 32 Prior to operation, the loader 32 is hydraulically connected to the hydraulic circuit 30 as follows using hydraulic hoses and quick connect couplers.
  • the third three-way diversion valve 74 in the case drain 64 of the cable reel motor 34 is detachably connected to the case drain hydraulic coupler 78 of the power take off hydraulic circuit 76.
  • the first end 42 of the first flow line 40 of the hydraulic circuit 30 is detachably connected into the first three-way diversion valve 84 of the pressure line 82 of the locking tongue hydraulic circuit 80.
  • the first end 43 of the second flow line 41 of the hydraulic circuit 30 is detachably connected into the second three-way diversion valve 88 of the return line 86 of the locking tongue hydraulic circuit 80.
  • first, second and third three-way diversion valves 70, 72, 74 of the cable reel motor 34 are operated to isolate the hydraulic supply lines 60, 62 and the case drain 64 from the cable reel motor 34 and to open flow from the first and second flow lines 40, 41 of the hydraulic circuit 30 to the cable reel motor 34.
  • the first and second three-way diversion valves 84, 88 of the locking tongue hydraulic circuit 80 are also operated to isolate the locking tongue piston 81 from the hydraulic supply lines 82, 86 and to allow flow between the hydraulic supply lines 82, 86 and the first and second flow lines 40, 41 of the hydraulic circuit 30.
  • the cable reel motor 34 is then operable by way of the locking tongue hydraulic circuit 80.
  • Hydraulic pressure from the pressure line 82 of the locking tongue hydraulic circuit 80 is applied though first flow line 40 of the hydraulic circuit 30, as described above, to the cable reel motor 34.
  • the oil then returns from the cable reel motor 34 through the second flow line of the hydraulic circuit 30, as described above, before passing into the return line 86 of the locking tongue hydraulic circuit 80. Oil that drains through the cable reel motor 34 is drained to the case drain 78 of the power take off hydraulic circuit 76.
  • the locking tongue hydraulic circuit 80 is simply operated in the reverse direction, such that hydraulic pressure is now applied to the second flow line 41 of the hydraulic circuit 30 and the circuit flows in the reverse direction.
  • an ancillary vehicle depicted here as a loader 32
  • a loader 32 can have a permanently installed hydraulic circuit 30 connected to a hydraulic circuit of the ancillary vehicle, such as the locking tongue hydraulic circuit 80 of circuit of the loader 32, as depicted in this embodiment.
  • a mono-directional hydraulic circuit such as the power take off hydraulic circuit of an ancillary vehicle 32, is used to power the cable reel motor 34 of the shuttle car 18.
  • the shuttle car 18 is fitted with a detachable hydraulic circuit 90.
  • the shuttle car 18 has hydraulic supply lines, being a pressure line 60 and a return line 62, which are connected to and drive the cable reel motor 34.
  • the cable reel motor 34 also has a case drain 64.
  • the hydraulic supply lines 60, 62 and the case drain 64 each include an isolation valve 61, 63, 65 that can be either built-in or retro-fitted to the shuttle car 18. These isolation valves 61, 63, 65 are operable to isolate the hydraulic supply lines 60, 62 and the case drain 64 from the cable reel motor 34.
  • a first isolation valve 61 is provided in the pressure line 60
  • a second isolation valve 63 is provided in the return line 62
  • a third isolation valve 65 is provided in the case drain 64.
  • the shuttle car 18 is also provided with hydraulic connection points 66, 67, 68, with a first connection point 66 being provided between the first isolation valve 61 and the cable reel motor 34, a second connection point 67 being provided between the second isolation valve 63 and the cable reel motor 34 and a third connection point 68 being provided between the third isolation valve 65 and the cable reel motor 34.
  • the hydraulic circuit 90 requires a different design to allow reversible operation of the cable reel motor 34, while connected to a non-reversible hydraulic circuit, such as a power take off hydraulic circuit.
  • the hydraulic circuit 90 has a pressure line 91 and a return line 92.
  • the pressure line 91 extends from a first connection point 93 through a pressure reducing valve 95, then through a flow control valve 98 to a directional control valve 99.
  • the return line 41 extends separately from the directional control valve 99 to a second connection point 94.
  • the pressure reducing valve 95 of the pressure line 91 vents or drains via a first drain line 96 through a first one-way check valve 97 to the return line 92.
  • the directional control valve 99 is adapted to be separately connected to the first and second connection points 66, 67 of the shuttle car 18, to provide direct fluid
  • connection points 93, 94 of the hydraulic circuit 90 allow connection of the hydraulic circuit 90 to a hydraulic circuit of an ancillary vehicle 32, such as a power take off hydraulic circuit.
  • the hydraulic circuit 90 is connected and operated as follows.
  • the isolation valves 61, 63, 65 are actuated to isolate the cable reel motor 34 from the hydraulic supply lines 60, 62 and the case drain 64.
  • the directional control valve 99 of the hydraulic circuit 90 is connected to both the first and second connection points 66, 67, of the shuttle car 18.
  • the connection points 93, 94 of the hydraulic circuit 90 are adapted to be connected to the pressure line and return line, respectively, of the power take off hydraulic circuit of an ancillary vehicle 32.
  • the third connection point 68 of the shuttle car 18 is adapted to be connected to the case drain of the power take off hydraulic circuit of the ancillary vehicle 32.
  • the directional control valve 99 is opened in a first open configuration that allows direct flow across the directional control valve 99, linking the first flow line 91 with the first connection point 66 of the shuttle car 18.
  • hydraulic pressure from the power take off hydraulic circuit of the ancillary vehicle 32 is applied via the first connection point 93 of the first flow line 91 of the hydraulic circuit 90.
  • the pressure reducing valve 95 and flow control valve 98 of the first flow line 91 are used to control the flow rate and pressure to suit operation of the cable reel motor 34.
  • the oil passing through the pressure reducing valve 95 and flow control valve 98 of the first flow line 91 also passes through the directional control valve 99 and enters the cable reel motor 34 via the first connection point 93 and drives forward rotation of the cable reel.
  • the oil then exits the cable reel motor 34 via the second connection point 67 and passes through the directional control valve 99 and then, into and along the second flow line 92 of the hydraulic circuit 90, before passing into the return line of the power take off hydraulic circuit of the ancillary vehicle 32 via the second connection point 94.
  • the directional control valve 99 is switched to a second open configuration that causes a crossover flow across the directional control valve 99, linking the first flow line 91 with the second connection point 67 of the shuttle car 18 and the first connection point 66 of the shuttle car 18 with the second flow line 92.
  • the hydraulic circuit 90 flows in the same direction, however the oil in the cable reel motor 34 flows in the reverse direction, reversing the rotation of the cable reel 26.
  • Pressure gauges, filters, restrictors and other standard hydraulic circuit equipment can optionally be added to the hydraulic circuit of the present invention and are envisaged. Such modifications do not materially affect the basic operation of the circuit and fall within the ambit of the present invention.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

L'invention concerne un procédé permettant de faire avancer une opération d'exploitation minière souterraine jusqu'à un endroit avancé. Un camion navette électrique (18) est situé à l'endroit avancé et un câble électrique (24) du camion navette (18) est désolidarisé d'une boîte de commande de distribution d'électricité (22). La boîte de commande de distribution (22) est déplacée jusqu'à l'endroit avancé et le système hydraulique d'un véhicule auxiliaire est raccordé à un circuit hydraulique (100) qui est raccordé au moteur hydraulique d'un tambour de câble (26). Le système hydraulique du véhicule auxiliaire est actionné pour alimenter le moteur du tambour de câble (26) et, de ce fait, bobine le câble électrique (24) sur le tambour de câble (26). Le câble électrique (24) est raccordé à la boîte de commande de distribution d'électricité (22) et le véhicule auxiliaire est désolidarisé du camion navette (18).
PCT/AU2016/050146 2015-03-04 2016-03-04 Procédé et système hydraulique permettant une opération d'exploitation minière WO2016138565A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2015900745A AU2015900745A0 (en) 2015-03-04 Method and hydraulic system for mining operation
AU2015900745 2015-03-04

Publications (1)

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WO2016138565A1 true WO2016138565A1 (fr) 2016-09-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3663122A1 (fr) * 2018-12-04 2020-06-10 Sandvik Mining and Construction Oy Agencement dans une machine d'exploitation minière souterraine et procédé
CN113669105A (zh) * 2021-08-30 2021-11-19 国家能源集团宁夏煤业有限责任公司 一种多功能的搬运矿车
CN114735546A (zh) * 2022-04-21 2022-07-12 江苏徐工工程机械研究院有限公司 一种液压管路及电缆管路自动输送装置及控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2264007A (en) * 1940-06-08 1941-11-25 Joy Mfg Co Mine haulage system and apparatus therefor
US3334839A (en) * 1965-10-22 1967-08-08 Westinghouse Air Brake Co Cable reel tension system
US3770151A (en) * 1971-07-01 1973-11-06 Consolidation Coal Co Fluid propelled mine haulage vehicle and method for underground haulage
US4528892A (en) * 1982-02-25 1985-07-16 Hitachi Construction Machinery Co., Ltd. Hydraulic circuit system for construction machine
AU2007216811A1 (en) * 2007-09-17 2009-04-02 Waratah Engineering Pty Ltd Hydraulic systems for mining vehicles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2264007A (en) * 1940-06-08 1941-11-25 Joy Mfg Co Mine haulage system and apparatus therefor
US3334839A (en) * 1965-10-22 1967-08-08 Westinghouse Air Brake Co Cable reel tension system
US3770151A (en) * 1971-07-01 1973-11-06 Consolidation Coal Co Fluid propelled mine haulage vehicle and method for underground haulage
US4528892A (en) * 1982-02-25 1985-07-16 Hitachi Construction Machinery Co., Ltd. Hydraulic circuit system for construction machine
AU2007216811A1 (en) * 2007-09-17 2009-04-02 Waratah Engineering Pty Ltd Hydraulic systems for mining vehicles

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3663122A1 (fr) * 2018-12-04 2020-06-10 Sandvik Mining and Construction Oy Agencement dans une machine d'exploitation minière souterraine et procédé
WO2020115035A1 (fr) * 2018-12-04 2020-06-11 Sandvik Mining And Construction Oy Agencement dans une machine d'exploitation minière souterraine et procédé associé
CN113165532A (zh) * 2018-12-04 2021-07-23 山特维克矿山工程机械有限公司 地下采矿机中的布置结构和方法
CN113669105A (zh) * 2021-08-30 2021-11-19 国家能源集团宁夏煤业有限责任公司 一种多功能的搬运矿车
CN113669105B (zh) * 2021-08-30 2024-01-30 国家能源集团宁夏煤业有限责任公司 一种多功能的搬运矿车
CN114735546A (zh) * 2022-04-21 2022-07-12 江苏徐工工程机械研究院有限公司 一种液压管路及电缆管路自动输送装置及控制方法

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