US2941680A - Travelling conveyer device, particularly for underground mining - Google Patents

Travelling conveyer device, particularly for underground mining Download PDF

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Publication number
US2941680A
US2941680A US669249A US66924957A US2941680A US 2941680 A US2941680 A US 2941680A US 669249 A US669249 A US 669249A US 66924957 A US66924957 A US 66924957A US 2941680 A US2941680 A US 2941680A
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Prior art keywords
conveyer
tamping
loading
pressure fluid
slide
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Expired - Lifetime
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US669249A
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English (en)
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Heidemann Wilhelm
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • E02F3/348—Buckets emptying into a collecting or conveying device
    • E02F3/3486—Buckets discharging overhead into a container mounted on the machine
    • 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
    • E02F9/02—Travelling-gear, e.g. associated with slewing gears
    • E02F9/022—Travelling-gear, e.g. associated with slewing gears for moving on rails
    • 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

Definitions

  • This invention relates to a travelling conveyer device, particularly for underground mining, which is movable to and from between a loading and an unloading station and which comprises a plurality of mutually overlapping container troughs or bunkers providing an uninterrupted hold which are pivotally interconnected in the horizontal and vertical planes, are supported on wheel sets, and in which the bottom is formed by a horizontallymoving, endless conveyer means, for example a doublechain scraper conveyer, which transports the loaded material through said uninterrupted hold from the rear load ing end to the frontal unloading end.
  • a horizontallymoving, endless conveyer means for example a doublechain scraper conveyer
  • the conveyed material or load which is supplied either continuously or batch-wise into the loading zone of the conveyer device, is compacted in such a way that it is no longer able to roll around during the movement of the conveyer means but is carried along by the latter uniformly and at full load capacity.
  • a further advantage resides in the fact that the stufiing or tamping device assists substantially in relieving the endless conveyer means of stress, since its direction of operation is the same as the direction of movement of the conveyer means, and this stufling device is operative during those phases of the loading procedure in which the conveyer is exposed to peak loads at each start of the operation.
  • the stuffing or tamping device may comprise a slide or tamping head which extends, widthways, across the whole of the free cross section and, heightwise, substantially intermediate of levels situated between the uppermost surface level of the truck These 7 atent "ice hold and a level intermediate said height of said hold, preferably located at least approximately within the upper half of the cross section of the rear load receiving truck.
  • the slide or tamping head may, in fact, form the forward portion of a cover which is guided for longitudinal displacement in the end container section and guards operating means such as a pressure fluid cylinder or cylinders at least at the upper side thereof.
  • the capacity of the stuffing device may be increased by associating with the end of the slide a push plate which is pivotally mounted thereupon for swinging about a horizontal axis, this plate suspending to a level at or below about half way up the height of the cross section of the container section and being maintained in a substantially vertical position during its forward movement towards the discharge end of the conveyer device, while, during its return movement, to be tipped up and trailed over the conveyed material.
  • the slide or tamping head may be either in one piece or of multipartite construction. Although it is to be recommended that the same, or the components thereof, shall be arranged to operate simultaneously across the complete width of the container section, and in the same sense, in individual appropriate cases the tamping head may be divided, for example composed of two sections which alternately move in opposite directions. Even where a slide plate or tamping head of unitary construction is being used, with the object of producing a uniform distribution of the load, it is advantageous to operate this slide plate by at least two pistons of pressure fluid piston cylinder assemblies instead of a single such piston, to prevent excessive loading or canting at one side.
  • the pressure fluid cylinder or cylinders may be hydraulic or pneumaticaily operated, and can be controlled manually or automatically.
  • Figure 1 is a traveling conveyer device in accordance with the invention used in connection with the advancing of the gallery in a mining operation, this device being here shown in side view,
  • Figures 2 and 3 are respectively a side view and a plan of the conveyer device on a larger scale.
  • Figures 4, 5 and 6 are respectively a longitudinal section (on the line IVIV of Fig. 5), a plan, and a cross section (on the line VIVI of "Fig. 4) of the loading end of the conveyer device,
  • Figures 7, 8 and 9 are likewise a longitudinal section (on the line VIL-VII of Fig. 8), a plan, and a cross section (on the line IX-IX of Fig. 7) respectively of the loading end of another embodiment of the conveyer device according to the invention,
  • FIGS 10 and 11 illustrate two different operating phases of the stufiing or tamping device
  • Figure 12 illustrates the connections for control of the fluid pressure cylinder of the stuifing device
  • Fig. 13 shows another control system for the tamping device.
  • a gallery, a tunnel or another room as required in underground mining and formed in the rock is designated 1.
  • Rock 2 or other material which has been broken up for example by blasting is loaded by means of a loading machine 3 into the conveyer device 4.
  • the machine'3 in the embodiment illustrated is in the form of shovel loader 3a.
  • This shovel 3a is pivotably connected to the loading machine 3 by a lever in such a way that the load picked up by the shovel is thrown over the loading machine rearwards into the conveyer device 4..
  • the conveyer device 4 is adapted to be propelled on rails 5 laid in the gallery and, in the embodiment illus trated, is pulled by a locomotive 6 coupled thereto at its frontal discharge end.
  • the conveyer device is moved to and fro by the locomotive 6 between the loading station illustrated in the drawing and an often far away located unloading station which is not illustrated.
  • the conveyer device 4" comprises in known manner a plurality of container trough sections or bunkers 7 which mutually overlap at their adjacent ends and are pivotally interconnected in the horizontal and vertical planes, each of them being carried on a wheel set 8 arranged in the locality of the coupling between them.
  • the holds of said bunkers are continuously connected and this produces an articulated travelling bunker-train assembly the bottom of which is constituted by an endless circulating conveyer means 9, which in the embodiment illustrated, is a double-chain scraper conveyer container.
  • the trough section or. bunker at the loading end is designated 7a and that at the. discharge end 7b.
  • a stuifing or tamping device 10 is provided in the rear end trough section 7a together with a short, inclined, endless conveyer 11 which serves to feed material thrown by the shovel 3a over the stuffing device 10 and into the first container trough section or bunker 7c.
  • Means 12 for. driving the bottom conveyer9 is provided in the frontal discharge end trough section or bunkers 7b. The conveyed material is discharged by the conveyer 9 through the end opening 13 at the unloading station.
  • the short feeding conveyer Ill atthe loading endsection 7a of the conveyer device is here also in. the form of a double-chain conveyer, and is driven by a motor 14 through an appropriate transmission or gearing. To increase the loading. cross section the short conveyer 11 is provided laterally and at the rear end with spill plates 15.
  • the rear end of the loading trough section it: is mounted on a two-axle rotary bogie 16, whilst the forward end is supported by bearing-rollers 17 which have no track-engaging flanges on the rails.
  • the appropriate adjacent ends of the floors of the container sections 7, 7a, 7b, 7c telescope to a small degree, and are coupled together through a cruciform articulated linkage 18, so as to be capable of relative rocking both in the horizontal and in the vertical plane.
  • the wheel sets 8 are so secured in the region of the couplings 1% that each pair of overlapping ends of the containers'ections is supported in common on an axle.
  • the double-chain scraper conveyer 9 forming the floor of the conveyer device is driven by the motor 12, for example a compressed air operated gear motor, advantageously through a step-down gear unit.
  • the driving spur gear 20 of the gear acts through a chain drive 21 on a driven wheel 22 which is, in turn, coupled to the chain roller 23.
  • 24 designates a protective cover enclosing the driving chain 21, the spur gear 20, and the driving wheel 22.
  • the chain roller 23 is driven at both ends.
  • the reversing roller 25 for the double chain scraper conveyer 9, arranged in the trough section 7a at the loading end, is mounted in a carriage 26 which is guided by rollers'at both ends runningiin guideways and is coupled through a draw means 27, for example a link chain, to the piston of a single-acting cylinder 28 which is supplied with pressure medium, preferably hydraulic, at one end.
  • a pressure fluid reservoir 29 for the cylinder 28, a motor driven gear :pump 30 for the fluid, and a'manually-operable control valve 31 are provided.
  • The; stufling or tamping; device 10 comprises two hydraulic pressure fluid cylinders 32a, 325 which are arranged in parallel, side by side in a horizontal plane, the piston rods 33a and 33b associated with the pistons thereof being coupled to a common slide or tamping head 34, which extends over the complete width of the conveyor through section or bunkers 7a, 70 and is of a height corresponding substantially to the upper third of the free height of the container sections.
  • a pivotable push plate 36 is articulated to the front side of the slide or tamping head 34 by means of hinges 35a, 35b said plate extending downwards for example to a point about half way up the height of the container section.
  • FIGS. 4, 5 and 6 illustrate the stufling or tamping device 10 on a larger scale, together with a different form of loading trough section 7a of the conveyer device.
  • the slide or tamping head 34 is provided with lateral extensions 37a, 37b which are longitudinally guided in guideways 38, thus preventing it from canting laterally during the compacting operation which it performs.
  • the piston rods 33 are provided at their leading ends with bifurcated heads 39 which pass through openings in the slide or tamping head 34 and are anchored at thefront side of. the latter by means of a bolt 40 which passes transversely through eyes in the head.
  • the leading ends of the fork arms are covered by a U-shaped profiled iron 41 against contamination. To prevent loosening of the slide 34, fastening wedges of small inclination are wedged between the fork and the slide 34.
  • the cylinders 32a and 32b of the stufling device are covered at the upper side by a plate 43 which is coupled to the slide 34 and carried along with it during its reciprocating movement, these cylinders thereby being protected against contamination.
  • this section 7c is provided at both sides with spill plates 45a, 45b having posts 46 which are pushed into retaining openings 47.
  • Pressure fluid is conducted to, and relieved from, the cylinders 32a, 32b of the stuffing or tamping'device 10 through conduits 48, 49 connected to the head ends of these cylinders.
  • the rear bunker section 7a is provided with a division 50, behind which the mechanism for tautening and loosening-the bottom conveyor 9 is installed and thereby protected.
  • the mechanism for this purpose in the embodiment according to Figures 4, 5 and 6 comprises arms 52 which are pivotally mounted at 51 and mount the reversing chain wheel 25.
  • the mounting arms 52 are in the form of double-armed levers, the upper lever arm being coupled at 53, with the intermediary of a strong plate spring 54, to a piston'55 which can be moved in a hydraulic cylinder 56 byactuating a hand pump 57.
  • FIG. 7 A further embodiment of the stufling device is illustrated in Figures 7, 8 and 9.
  • Two cylinders 32a, 32b which are of bifurcated form at their rear ends are mounted, for pivoting in a horizontal plane, by means of pivot pins 60 on a transverse beam 61 which is anchored to the sides of the container section.
  • the pistons are articulated by pivot pins 62 to forks 63 which, in turn, are secured to the inner side of a plungerlike housing cover 64, the frontal end of which forms the slide or head 34 of the stuffing or tamping device.
  • the cover 64 is slotted at its side walls and guided by rollers 65 mounted in the side walls of the container trough section 7a.
  • the cover 64 is additionally guided by flanged parts of the walls 50 and 66 of the casing.
  • a vertical bracing wall 67 between the cylinders 32a and 32b serves to additionally brace the upper and lower sides of the cover 64.
  • the conveyed material drops from the short feeding conveyer 11 upon the upper side of the cover 64 and is scraped off when the slide returns, thus dropping the remaining conveyed material beneath the stuffing device.
  • the conveyed material is compacted, together with the further conveyed material which has in the meantime dropped off the feeding conveyer 11, towards the discharge end of the conveyer device.
  • Figure 12 illustrates the control connections used to operate the pressure fluid cylinder 32 of the stuffing or tamping device, where use is made of an automatic reversal of the pressure fluid cylinder by limit trip devices operated by the stufling device itself.
  • the pressure fluid is admitted through the conduit 68, which incorporates a manually-operable valve 69.
  • the pressure fluid passes from the valve 69 through branch conduits 70 and 71 to the two limit valves 72 and 73, and thence through return conduits 74 and 75 to a control cylinder 76.
  • a conduit 77 connects the admission valve 69 to the control cylinder 76 also.
  • Further conduits 78 and 79 both lead to a return conduit 80, which takes the pressure fluid back to the reservoir.
  • Admission and discharge conduits 81, 82 are connected to the ends of the pressure fluid cylinder 32 of the stuffing or tamping device, these conduits connecting the cylinder 32 to the control cylinder 76.
  • the chamber of the pressure fluid cylinder 32 which, at any time, is at exhaust, is connected through the conduits 78 and 89, and conduit 80, to the pressure fluid reservoir (not shown), so that this fluid can readily flow back.
  • Figure 13 shows a control system for the stuffing or tamping device, adapted for manual reversal.
  • the pressure fluid here passes through a conduit 89 from a reservoir (not shown) and is under the pressure of a not illustrated pump, which for example is driven electrically or otherwise.
  • a manually-operated valve 90 After a manually-operated valve 90 has been opened, the pressure fluid flows through a conduit 91 and through a conduit 94 or 95 to one end of the cylinder 32, depending on the position of the hand lever 92 of a four-way cock 93.
  • the pressure fluid flows through the conduit 94 to the leading and of the cylinder, whilst the pressure fluid exhausted from the other end of the cylinder passes through a conduit 95 and the four-way cock 93 into a conduit 96 leading back to the reservoir.
  • the pressure fluid flows in the reverse direction, whereas in position 92a of this lever a blocked situation is produced in which the piston of the cylinder 32 remains static in the position which it has reached at that time.
  • a curve conforming bunker train assembly particularly for underground mining comprising in combination a plurality of mutually articulated and interconnected loading trucks providing an uninterrupted hold for the load; an endless conveyer extending at the bottom of said trucks to transport material from the rear load receiving truck to the frontal load discharging truck; driving means for said conveyer; stuffing or tamping means at the rear of the load receiving truck compacting material loaded into said truck in longitudinal direction of the train intermediate of levels situated between the uppermost surface level of the truck hold and a level intermediate the height of said hold; and operating means actuating said tamping means.
  • a cover plate attached to and rearwardly extending from said tamping head above said operating means, and guiding means for said cover plate on the side walls 'of the rear bunker.
  • a cover plate attached to and rearwardly extending from said tamping head above said operating means; said rearward extension of the cover plate exceeding the reciprocated displacement of the tamping head; and guiding means for said cover plate on the side Walls of the rear bunker.
  • actuating means constituted by pistonfor the load; an endless conveye'r extending at the bottom of said trucks to transport material from the rear load receiving truck to the frontal load discharging truck; driving means for said conveye'r; stuffing or tamping means at the rear of the load receiving truck compacting" material loaded into said truck in longitudinal direction of the train intermediate of levels situated between the uppermost surface level of the truck hold and a level intermediate the height of said hold; operating means actuating said tamping means; and a loading device associated with the rear truck and delivering material thereinto in front of said tampin-g means.
  • a curve conforming bunker train assembly particularly for underground mining comprising in combination a plurality of mutually articulated and interconnected loading trucks providing an uninterrupted hold for the load; an endless eonvey'er extending atthe bottom of said tniclis to transport material from the rear load receiving truck to the frontal load discharging truck; driving means for said conveyer; stuffing or tamping' means at the rear of the load receiving truck compactingmateri'al loaded into said truck in longitudinal direction of the train intermediate of levels situated between the uppermost surface level of the truck hold and a level intermediate the height of said hold; said 'tamping means com- 2 prising a reciprocable tamping head having a Width conforming to the width of the hold of the rear truck; and operating means reciprocating said tampi'ng head.
  • a tarnping head "composed of at least two sections arranged side by side, said section's altern'a'tely reciprocating in opposite directions; and operating means reciprocating said sections.
  • a curve conforming bunker train'assembly particularly for underground mining comprising in combinert ion a plurality of mutually articulated and interconnected loading'trucks providing an uninterrupted hold for the load; an endless conveyer extending at the bottom of said trucks to transport material from the rear load :receiving truck to the frontal load discharging truck; driving means for said conveyor; stuffing or t'ampin'g means at the rear of the load receiving truck compacting ma terial loaded into said truck in longitudinal direction of the train within the upper half of the truck hold; said tamping means comprising a reciprocable tamping' head operating substantially within the upper half of the hold 'of the rear truck and-having a width conforming to the width thereof; a push plate having substantially the same width articulated at its upper edges to the tamping head in front thereof and extending downward below the lower edge of the tamping'head; and actuating means reciprocat'ing said tampin'g head.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Loading Or Unloading Of Vehicles (AREA)
  • Pusher Or Impeller Conveyors (AREA)
US669249A 1956-07-05 1957-07-01 Travelling conveyer device, particularly for underground mining Expired - Lifetime US2941680A (en)

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Application Number Priority Date Filing Date Title
DE358772X 1956-07-05

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US2941680A true US2941680A (en) 1960-06-21

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US (1) US2941680A (fr)
BE (1) BE558978A (fr)
CH (1) CH358772A (fr)
FR (1) FR1180072A (fr)
GB (1) GB824053A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1556757C1 (de) * 1968-03-09 1971-01-21 Shinko Industries Co Ltd Foerderzug fuer Schuettgut
CN101975082A (zh) * 2010-09-22 2011-02-16 煤炭科学研究总院太原研究院 一种梭车的输送装置
CN113864259A (zh) * 2021-10-12 2021-12-31 广西美斯达工程机械设备有限公司 履带式输送机液压控制系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2507246A1 (fr) * 1981-06-03 1982-12-10 Okumura Corp Vehicule de transport de la terre excavee par une machine de creusement a bouclier

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US990053A (en) * 1910-04-05 1911-04-18 Carl W Leitenberger Fuel-supply controller.
US1920500A (en) * 1932-01-18 1933-08-01 Cassidy Conveyer apparatus for loading cars
US2674364A (en) * 1950-12-30 1954-04-06 Goodman Mfg Co Portable conveying apparatus
GB747143A (en) * 1953-03-28 1956-03-28 Salzgitter Maschinen Ag Improvements in or relating to loading machines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US990053A (en) * 1910-04-05 1911-04-18 Carl W Leitenberger Fuel-supply controller.
US1920500A (en) * 1932-01-18 1933-08-01 Cassidy Conveyer apparatus for loading cars
US2674364A (en) * 1950-12-30 1954-04-06 Goodman Mfg Co Portable conveying apparatus
GB747143A (en) * 1953-03-28 1956-03-28 Salzgitter Maschinen Ag Improvements in or relating to loading machines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1556757C1 (de) * 1968-03-09 1971-01-21 Shinko Industries Co Ltd Foerderzug fuer Schuettgut
CN101975082A (zh) * 2010-09-22 2011-02-16 煤炭科学研究总院太原研究院 一种梭车的输送装置
CN113864259A (zh) * 2021-10-12 2021-12-31 广西美斯达工程机械设备有限公司 履带式输送机液压控制系统
CN113864259B (zh) * 2021-10-12 2023-10-10 广西美斯达工程机械设备有限公司 履带式输送机液压控制系统

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Publication number Publication date
GB824053A (en) 1959-11-25
FR1180072A (fr) 1959-06-01
CH358772A (de) 1961-12-15
BE558978A (fr)

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