AT390596B - Continuous removal apparatus - Google Patents

Continuous removal apparatus Download PDF

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Publication number
AT390596B
AT390596B AT0141287A AT141287A AT390596B AT 390596 B AT390596 B AT 390596B AT 0141287 A AT0141287 A AT 0141287A AT 141287 A AT141287 A AT 141287A AT 390596 B AT390596 B AT 390596B
Authority
AT
Austria
Prior art keywords
support
frame
rollers
stops
conveyor belt
Prior art date
Application number
AT0141287A
Other languages
German (de)
Other versions
ATA141287A (en
Inventor
Alfred Ing Zitz
Hubert Wiesenbauer
Heinrich Ing Suessenbeck
Original Assignee
Voest Alpine Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voest Alpine Ag filed Critical Voest Alpine Ag
Priority to AT0141287A priority Critical patent/AT390596B/en
Publication of ATA141287A publication Critical patent/ATA141287A/en
Application granted granted Critical
Publication of AT390596B publication Critical patent/AT390596B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G21/00Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
    • B65G21/10Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof
    • B65G21/14Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof to allow adjustment of length or configuration of load-carrier or traction element

Abstract

In the case of a continuous removal apparatus with an endless, continuous conveying belt which is arranged on a displaceable frame, the return strand 12 of the conveying belt is guided over at least two additional deflecting rollers 13, 14 around which the belt wraps in the opposite direction, and it is possible to adjust the spacing between the deflecting rollers 3, 4 and the additional deflecting rollers 13, 14 in the belt-running direction by arrangement on frame parts 10, 11 which can be adjusted telescopically with respect to one another. Provided in this case are pulling elements, for the displacement of the supporting frames 15, which are formed by in each case two pulling rods or tubes which act on a supporting frame 15 and are arranged in a V-shaped manner with respect to one another essentially in the longitudinal direction, and the pulling rods or tubes, in the region of the tip of the V, each have a stop, of which the dimensions and/or shapes differ from one another, with the result that the stops interact with recesses of different dimensions and/or shapes of the supporting frames 15 such that it is merely the respectively adjacent stop which comes into abutment against a supporting frame 15, while the other stops can pass unhindered through the recesses. <IMAGE>

Description

No. 390 596
The invention relates to a continuous discharge device with an endless, self-contained conveyor belt, which is arranged on a mobile frame, in which the overhead run of the conveyor belt or the conveyor belt is guided over at least two deflection rollers and the returning run of the conveyor belt or -belt is guided over at least two additional, oppositely wrapped deflection rollers, the distance between the deflection rollers and the additional deflection rollers being adjustable in the direction of travel of the belt, and the deflection rollers of the conveying overhead strand of the conveyor belt and the oppositely wrapped deflection rollers for the returning strand on two in the longitudinal direction guided, telescopically insertable and extendable frame parts are arranged, and in which the overhead strand via support rollers rigidly supported on one frame part and via displaceable on the other frame part, mounted in support frames Supporting rollers are guided in conveying devices of the type mentioned at the outset, as can be seen, for example, from US Pat. No. 1,041,439 and which allow the active length of the conveyor to be changed within limits, are used for conveying bulk material and usually have a gutter or a feed hopper, the discharge end of such conveying devices being able to be arranged above the feeding end of a further subsequent conveying device. In mining, a plurality of such conveying devices, each of which is designed with a mobile frame, can be connected directly to a tunnel boring machine or coupled to the movement of the tunnel boring machine, so that the entire conveyor system can also be retraced or retraced with progressive expansion.
It is known to equip continuous, extensible and extendable discharge devices with conveyor belts or conveyor belts which are supported on idlers. In the known designs, the support rollers or support rollers are distributed at regular intervals on the frame and arranged partially displaceable. For the storage of idlers or support rollers, for example from GB-PS 2 140 369, support frames which are displaceably guided on a frame part via tension members are provided. The removal device has an overall length dimension that is related to the design.
To change the length of individual discharge devices of this type, it is also known to roll up the conveyor belts on one side onto a drum storage device in order to achieve a shortening of the conveyor length. Such a variable-length discharge device can be found, for example, in DE-OS 3 434 768, such devices having a relatively large overall height and having a relatively complicated structure.
The invention now aims to provide a mobile continuous discharge device of the type mentioned, with which a relatively long chaining is possible by joining together such conveyors and in which the individual length of the individual discharge devices can be changed by simple measures. To achieve this object, the mobile removal device according to the invention essentially consists in the fact that tension members are provided in a manner known per se for the displacement of the support frames, each of which has two tie rods or tubes which engage on a support frame and are arranged essentially in a V-shape with respect to one another in the longitudinal direction are formed, and that the tie rods or tubes each have a stop in the area of the top of the V, the dimensions and / or shapes of which differ from one another, so that the stops interact with recesses of different dimensions and / or shapes of the support frame in such a way that only the respectively adjacent stop comes into contact with a support frame, while the other stops can pass through the recesses unhindered. In addition to the possibility of extending the individual length of the discharge device, this results in a mechanically particularly stable construction which is also able to withstand high loads. Characterized in that the tie rods or tubes each have a stop in the area of the top of the V, the dimensions and / or shapes of which differ from one another, so that the stops interact with recesses of different dimensions and / or shapes of the support frame in such a way that only the respective one Adjacent stop comes into contact with a support frame, while the other stops can pass through the recesses unhindered, when the removal device is pulled out to its full length, there is a staggered displacement of the individual support frames into the respectively maximum permissible position to the adjacent support frame, thereby ensuring that the tape does not remain unsupported at any point over an inadmissibly large length and is loaded too heavily by the weight of the material lying on it. This results in a precisely defined position of the respective support frame, determined by the stops, in accordance with the respective length of the discharge device. The conveyor belts can be telescopically displaced relative to one another, so that any lengths of the discharge device can be set with simple means without excessive overall height within predetermined limits. By inserting one frame part into the other, the distance between the deflection rollers is changed at the same time. Due to the guides running in the longitudinal direction, the support rollers can be pushed closer together when they are pushed together and thus shorten the length of the discharge device, so that the insertion or shortening of the discharge device is not hindered. Since the displaceable support rollers are guided in support frames or roller supports that are displaceably guided on a frame part, when the individual support frames or roller supports are pushed together, the length of the removal device can be shortened so that the conveyor belt or the conveyor belt is always supported as evenly as possible. Because the support frames interact with tension members and -2-
No. 390 596
Stops are provided for the maximum distance between adjacent support frames from one another, it is ensured that when the removal device is pulled out to the maximum length, the maximum length of the unsupported partial area of the conveyor belt cannot exceed a predetermined extent. As an alternative to the stops in the region of the V of the tie rods, the stops which are connected to the tension members can be formed by knots in ropes which are guided through the individual support frames or roller supports in the manner of a rope ladder.
The tie rods can also be formed by profiles, in particular U-profiles. For setting the distance between adjacent rigid and movable support frames and for exact guidance of the conveyor belt, the procedure is preferably such that the first or last movable roller support is additionally guided over the adjacent rigid roller supports and that stops for the maximum distance between the rigid roller support and the movable roller support are available. For a correct displacement movement, individual or all discharge devices, which are linked together by corresponding couplings, have a travel drive. To improve the steerability, the undercarriage can each have a steering drive, in particular a steering motor. For the energy supply, it must be ensured that a corresponding supply of cables is available even when the conveyor is fully extended, for which purpose the displaceable support frames preferably have cable holders. Such cable brackets make it possible to form cable loops when pushing together the individual support frames or roller supports, which can be pulled out to a largely extended position when the conveyor is pulled out to its maximum length. A feed chute is advantageously arranged in a manner known per se at the end of the frame part carrying the rigid support frame in the region of the deflection rollers of the upper run, and the travel drive for the removal device can be provided on the side opposite the feed chute.
The drive of the conveyor belt can engage a deflection roller which engages on the upper run of the conveyor belt.
The invention is explained in more detail below with reference to an embodiment shown in the drawing. 1 shows a side view of a discharge device according to the invention in the pushed-together state, FIG. 2 shows a view analogous to FIG. 1 with the conveyor extended to its full length, FIG. 3 shows a top view of movable support frames in the pushed-together state of the discharge device, FIG. 4 analogous to Fig. 3 support frame in the partially telescopic state of the conveyor, and Fig. 5 schematically shows another embodiment of the connection of movable support frame in a side view.
In Fig. 1, a conveyor (1) is shown, which has a self-contained rotating conveyor belt or a conveyor belt. The upper, supporting run of this conveyor belt is designated by (2) and guided over deflection rollers (3) and (4). The deflecting roller (3) adjacent to the travel drive (5) has the belt conveyor drive (31), which is fixed to an essentially vertical support plate (32) and is laterally connected to the driven deflecting roller, the corresponding parts of the electrical installation being ( 6) and are arranged near the discharge end (7) of the conveyor, since there is sufficient space below the belt. The conveyor can be connected to an adjacent conveyor via corresponding coupling linkages (8), the adjacent conveyor being connected to a feed chute (9) is pushed below the discharge end (7) of the preceding conveyor (1).
The conveyor contains two telescoping frames (10) and (11), as is shown more clearly in FIG. 2. The returning strand (12) is guided over two further deflection rollers (13) and (14), the distance (a) of which can be changed. In the illustration in Fig. 1, the two frames (10) and (11) are pushed into one another, so that the distance between the rollers (13) and (14) increases, the distance between the deflection rollers (3) and (4) correspondingly reduced for the run above. In the illustration according to FIG. 2, the two frame parts are telescopically pulled apart, as a result of which the distance (a) between the guide rollers (13), (14) for the returning run is shortened and at the same time the distance between the guide rollers ( 3) and (4) extended In the pushed-together position, the support frames or roller supports (15) of the frame part (10) carrying the deflection roller (14) are pushed together, for which purpose a guide in the longitudinal direction of the frame part (10) is provided. This guide is shown schematically with (16) indicated. In the pushed-together position, the distances between adjacent roller supports or support rollers (15) are correspondingly reduced, whereas in FIG. 2, in which the conveyor is extended to the maximum length, the distance between adjacent roller supports (15), which is denoted by (b) , takes its permissible maximum, over which the run above may run as unsupported as possible. In order to ensure this maximum distance (b) between adjacent roller supports (15), corresponding limit stops are provided.
A holder (17) for a cable is arranged on every second roller support (15), which is movably guided in the longitudinal direction within the frame (10). When the conveying device is pushed together or pushed in, the cable (18) held on these holders forms loops which, when stretched into position, ensures a corresponding supply of cables as shown in FIG. 2. In the area of the support rollers (19), which are arranged at rigid distances from one another, near the feed chute (9), the cable can of course be stretched, since there is no change in length here. The movable roller support (15) adjacent to a rigid support roller (19) is guided on the mounting of the rigid roller (19) and there are -3-
No. 390 596
Stops are provided for the maximum distance between a rigid and a movable support roller.
In Fig. 3 three adjacent, movable support frames (15) are shown, which are guided in guides (16). In each support frame (15) two support rollers (20) are mounted, the axes of which are each designated (21). As pulling members, each of the support frames (15) acts in the longitudinal direction on V-shaped pull rods or tubes (22). A plate (23) is provided in the area of the tip of the V, each having a stop (24), the size or shape of which is different from one another in the case of adjacent support frames (15). The support frames (15) each have a plate (25) on their front side, each with a recess, which, due to its smaller size or different shape, interacts with the stop (24) of the adjacent support frame when telescoping the discharge device.
In Fig. 4 again three adjacent support frames (15) are shown, the reference numerals from Fig. 3 have been retained and from which it can be seen that due to telescoping of the frame parts which can be pushed into one another and thus an extension of the removal device, the support frames (15) are no longer in contact with one another issue. By acting in the direction of the pfeües (26) on the first of the support frames shown, the latter was moved in the guides (16) via the tie rods (22) in the direction of the arrow (26). Because recesses are provided in the plates (25) Which, due to a correspondingly smaller dimension and / or different shape, only interact with the stop (24) of an adjacent support frame (15), the plate (25) of the first support frame (15) could pass through the stop (24) of the third frame without hindrance. When the first support frame (15) moves in the direction of the arrow (26) up to the stop (24) of the middle support frame, the plate (25) of the first support frame engages with this stop (24) of the second support frame and causes Movement in the direction of arrow (26) of the first support frame (15), the second support frame is now also carried along via the tie rods (22). If the plate (25) provided on the front side of the second support frame comes into engagement with the stop (24) of the third support frame, this support frame will also be taken along in a further movement in the direction of the arrow (26). As indicated in FIGS. 3 and 4, the stops (24) in the region of the tip of the V of the draw tubes (22) each have a decreasing cross section. Likewise, the plates (25) each have recesses, the cross section of which is reduced in the case of adjacent support frames. A correspondingly smaller dimension of the recess of a support frame relative to the stop of the adjacent support frame makes it possible for stops (24) of non-adjacent support frames (15) to pass through the recess in the plate (25) of each support frame without hindrance. After engagement of a plate (25) with the stop (24) of the adjacent support frame, the latter is taken along when the frame parts and thus the entire removal device are telescoped further. In FIG. 4, the distance between the first and second support frame (15) is designated by (b), the distance in FIG. 4 having assumed its maximum value between the first and the middle support frame.
If, for example in Fig. 4, the ast support frame is acted against in the direction of the arrow (26), the plate (25) can in turn pass the stop (24) of the third support frame without hindrance. The first support frame (15) is moved against the direction of the arrow (26) until it comes into contact with the central support frame (15) and takes it with it when it is moved further.
5 schematically shows another possibility for the mutual connection of adjacent support frames. The support frames were again designated with (15) and each carry rollers (20), the axis of which was again indicated with (21). Two adjacent support frames (15) are connected to each other by a tension member (27), which has a stop (28) at each end. The length of a tension member (27) corresponds to the maximum permissible distance between two adjacent support frames. As indicated in Fig. 5, these tension members (27) can be formed, for example, by supports which are arranged at adjacent support frames at different heights or offset laterally and penetrate a support frame at the opening indicated by a dashed line (29). So that the adjacent support frames can be pushed together completely when the conveying device is pushed together, the support frames must have further openings (30) with an enlarged cross section through which the stops (28) of tension members (27) can pass, which are not assigned to adjacent support frames (15) . When the first support frame is displaced in the direction of the arrow (26), the first support frame takes the second support frame with it via the stops (28) of the tension member (27) active between the first and second support frame.
Instead of rigid supports (27), it would also be possible to arrange a rope or a flexible tension member between adjacent support frames, each of which has a knot or the like instead of the stops (28). Furthermore, it would be possible to arrange a continuous rope or flexible tension member in the manner of a rope ladder, which in each case has knots or similar stops at suitable intervals, via which a support frame takes the next support frame after telescopic movement after moving a maximum distance. -4-

Claims (4)

  1. No. 390 596 PATENT CLAIMS 1. Continuous discharge device with an endless, self-contained conveyor belt, which is arranged on a mobile frame, in which the overhead run of the conveyor belt or the conveyor belt is guided over at least two deflection rollers and the returning run of the conveyor belt or . Belt is guided over at least two additional, oppositely wrapped deflection rollers, the distance between the deflection rollers and the additional deflection rollers being adjustable in the direction of travel of the belt, and the deflection rollers of the conveying overhead strand of the conveyor belt and the oppositely wrapped deflection rollers for the returning strand on two in the longitudinal direction adjoining, telescopically insertable and extendable frame parts are arranged, and in which the overhead strand is supported by support rollers rigidly supported on one frame part and by means of support frames which are displaceable on the other frame part Support rollers is guided, characterized in that tension members are provided in a manner known per se for the displacement of the support frames (15), each of which has two tie rods or tubes which engage on a support frame (15) and are arranged essentially in a V-shape with respect to one another in the longitudinal direction (22) are formed such that the tie rods or tubes (22) each have a stop (24) in the area of the tip of the V, the dimensions and / or shapes of which are different from one another, so that the stops (24) have recesses of different dimensions and / or shapes of the support frames (15) interact in such a way that only the respectively adjacent stop (24) comes into contact with a support frame (15), while the other stops (24) can pass through the recesses unhindered.
  2. 2. Continuous discharge device according to claim 1, characterized in that the first or last movable roller support (15) on the adjacent rigid roller supports (19) is additionally performed and that stops for the maximum distance between the rigid roller support (19) and movable roller support (15) are available.
  3. 3. Continuous discharge device according to claim 1 or 2, characterized in that the displaceable support frame (15) have cable holders (17).
  4. 4. Continuous discharge device according to claim 1, 2 or 3, characterized in that in a manner known per se at the end of the rigid support frame (19) supporting frame part in the region of the deflecting rollers (4) of the upper run (2) a feed chute (9) is arranged. With 4 sheets of drawings -5-
AT0141287A 1987-06-03 1987-06-03 Continuous removal apparatus AT390596B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT0141287A AT390596B (en) 1987-06-03 1987-06-03 Continuous removal apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0141287A AT390596B (en) 1987-06-03 1987-06-03 Continuous removal apparatus

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ATA141287A ATA141287A (en) 1989-11-15
AT390596B true AT390596B (en) 1990-05-25

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1041439A (en) * 1912-09-09 1912-10-15 Franklin J Dearborn Belt conveyer.
DE1119759B (en) * 1959-10-05 1961-12-14 Duerkoppwerke Ag Extendable conveyor belt
DE1194762B (en) * 1962-05-11 1965-06-10 Karl Symank Telescopically extendable belt conveyor
DE2050551B2 (en) * 1970-10-15 1975-09-25 Pohlig-Heckel-Bleichert, Vereinigte Maschinenfabriken Ag, 5000 Koeln Transfer feed unit for granular material - pivoted unit has rollers that ride over curved profile track to provide steady motion during transfer cycle
GB2136753A (en) * 1983-03-21 1984-09-26 Donald Lacey Smith Telescopic boom and conveyor apparatus
GB2140369A (en) * 1983-05-24 1984-11-28 Dowty Meco Ltd Supports for belt conveyors

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1041439A (en) * 1912-09-09 1912-10-15 Franklin J Dearborn Belt conveyer.
DE1119759B (en) * 1959-10-05 1961-12-14 Duerkoppwerke Ag Extendable conveyor belt
DE1194762B (en) * 1962-05-11 1965-06-10 Karl Symank Telescopically extendable belt conveyor
DE2050551B2 (en) * 1970-10-15 1975-09-25 Pohlig-Heckel-Bleichert, Vereinigte Maschinenfabriken Ag, 5000 Koeln Transfer feed unit for granular material - pivoted unit has rollers that ride over curved profile track to provide steady motion during transfer cycle
GB2136753A (en) * 1983-03-21 1984-09-26 Donald Lacey Smith Telescopic boom and conveyor apparatus
GB2140369A (en) * 1983-05-24 1984-11-28 Dowty Meco Ltd Supports for belt conveyors

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ATA141287A (en) 1989-11-15

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Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee