EP0059972B1 - Plate-forme de montage pour le soutènement de galeries d'exploitation au fond - Google Patents

Plate-forme de montage pour le soutènement de galeries d'exploitation au fond Download PDF

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Publication number
EP0059972B1
EP0059972B1 EP82101840A EP82101840A EP0059972B1 EP 0059972 B1 EP0059972 B1 EP 0059972B1 EP 82101840 A EP82101840 A EP 82101840A EP 82101840 A EP82101840 A EP 82101840A EP 0059972 B1 EP0059972 B1 EP 0059972B1
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EP
European Patent Office
Prior art keywords
units
platform
working platform
plate
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP82101840A
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German (de)
English (en)
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EP0059972A1 (fr
Inventor
Helmut Dipl.-Ing. Heisterkamp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GTA GMBH - FERTIGUNGSBETRIEB UND INGENIEURBUERO FU
Original Assignee
Gta - Fertigungsbetrieb und Ingenieurbuero fur Grubenbedarf Transport- und Ausbautechnik GmbH
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Publication date
Priority claimed from DE19813109159 external-priority patent/DE3109159A1/de
Priority claimed from DE19813109163 external-priority patent/DE3109163A1/de
Application filed by Gta - Fertigungsbetrieb und Ingenieurbuero fur Grubenbedarf Transport- und Ausbautechnik GmbH filed Critical Gta - Fertigungsbetrieb und Ingenieurbuero fur Grubenbedarf Transport- und Ausbautechnik GmbH
Publication of EP0059972A1 publication Critical patent/EP0059972A1/fr
Application granted granted Critical
Publication of EP0059972B1 publication Critical patent/EP0059972B1/fr
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries

Definitions

  • the invention relates to a removal assembly platform for lines of underground operations according to the preamble of claim 1.
  • the working platform of such platforms can generally be moved on a track laid in the top of the line with the help of trolleys.
  • the platform can also be raised and lowered in relation to the track.
  • the designated connection consoles of the work platform are used to connect the trolleys and / or the hoists with which these functions are carried out.
  • the floor plan of the work platform is usually longer in its longitudinal dimension than transverse to it, the trolleys are usually attached so that the front part of the stage can be moved with a predetermined length into the part of the track that has not been expanded in the place of the track.
  • a manipulator usually interacts with this front part of the stage, mainly for parts of the track extension, preferably for several ridge segments combined to form a canopy.
  • the removal assembly platform can also other facilities such.
  • B. have movable platform parts, which in their effective position allow drilling of the track location, possibly also during the final assembly of the track expansion.
  • such extension platforms are used in the track location and at a remote location connected to it by the track.
  • the above-mentioned removal parts are preferably mounted on this, preferably in the lowered position of the work platform. Then you lift the work platform with the help of the lifting equipment so that you can spend it in its on-site position across the various facilities of the route. There the stage is locked, so that the work platform forms a reliable abutment for the removal manipulator and other mechanical equipment of the stage, as well as a safe standing area for the workers involved in the assembly of the removal and possibly for the drilling equipment.
  • such an extension assembly platform can also be equipped with an extension that can be braced with the working face and prevents the stone and coal from falling there.
  • This removal assembly platforms must therefore, despite their structure from individual elements and beams that underground u. a. must be mountable while avoiding welding work, have sufficient stability and strength for the transmission of the considerable reaction forces which are transmitted via the connection brackets mentioned. On the other hand, they must be composed of light components, because their weight has a considerable impact on the payload of the removal assembly platform due to the limited load-bearing capacity.
  • Removal assembly platforms for the purposes described at the outset are known, which remove the reaction forces emanating from the connection brackets via two parallel I-section supports on which the actual work platform is suspended in a height-adjustable manner (DE-C-2 360 726). Such removal platforms have a relatively complicated structure and a considerable overall weight.
  • the invention is therefore based on another of the known removal assembly platforms (DE-C-2811 580), in which the stage supports and the surface of the work platform lie in one plane.
  • that part of the work platform which is not formed by the upper side of the stage girders designed as hollow girders is composed of pontoon-like elements which are screwed partly to one another and partly to the hollow girders.
  • the connection brackets are attached to the top of the supports, which relieve the elements of the reaction forces.
  • the disadvantage of this stage construction is that the beams have to be connected to practically all elements in order to ensure sufficient strength of the work platform. This then results in relatively long beams in the longitudinal direction, the high weights of which are reduced by the hollow beam formation and whose poor transportability is attempted to be compensated for by pluggable beam sections.
  • the invention is based on the object of reducing the necessary beam lengths and accordingly increasing the load-bearing capacity of the platform parts consisting of the elements fastened to one another.
  • the transverse edges of the elements adjacent in the transverse direction of the work platform are allowed to jump in the longitudinal direction of the work platform, an edge offset is created which ensures a sufficient bending tensile strength of the element composite. Therefore, one can get by with short beam lengths that only absorb the reaction forces of one or more connection brackets simultaneously and transmit and distribute them from below to the elements or plates or several elements.
  • connection brackets After one assumes an essentially predetermined transverse spacing of the connection brackets, which should be as large as possible for reasons of stability and, on the other hand, wants to keep the transverse dimensions of the work platform as small as possible, u. a. In order to be able to move the work platform as high as possible above the floor of the track, the distance between the connection brackets and the longitudinal edges of the work platform becomes increasingly smaller.
  • claims 3 to 10 make it possible to assemble the work platform with a few mutually fixed, different floor plan elements of the same floor plan and to implement the edge offset provided according to the invention in different ways. This results in particularly favorable embodiments, in particular with regard to the features of claim 2.
  • the stability of the extension assembly platform generally requires four trolleys, which are arranged at the corners of a square or rectangle within the work platform area enclosed by the longitudinal and transverse edges of the stage and can be moved on two hanging rails of the track.
  • the hoists carry the working platform on the connection brackets and enable the adjustment of the respective working height of the platform.
  • the removal assembly platform is usually equipped with a removal manipulator, it can also be used to assemble a corresponding number of structures on site when the removal manipulator is set up to accommodate several ridge segments of the track extension at the same time.
  • a cap screen is preassembled in a section of the route behind the route location with the work platform lowered, which is brought into the route location when the work platform is raised by moving the removal assembly platform and is lifted there under the exposed roof. Then the removal assembly platform is determined so that the canopy can first be used as a preliminary expansion for securing and then for the final assembly of the relevant track construction.
  • the extension platform is particularly heavily loaded and must therefore be secured against breakage of the traction devices of the hoists.
  • the hoists must be adapted by their structure to the relative simplicity of the lifting operations with sufficient height adjustability of the working platform, but on the other hand, the structure of the hoists must also ensure a simple and safe design of the stage suspension, which is effective when the hoists are switched off.
  • DBP 23 60 726 It is known (DBP 23 60 726) to use the lifting trolleys developed for underground transport on monorail overhead conveyors as hoists and to connect their traction devices to a stage frame consisting of several supports, to which the work platform is attached in a height-adjustable manner by means of several hydraulic thrust piston gears.
  • the stage frame In order to be able to reach a sufficient height of the working platform, the stage frame must be raised directly up to the roof. This forces a relatively complicated stage suspension. It consists of several support hooks that can be swiveled into the stage frame and a support roller arranged at the rear end, which rolls on a hanging rail. If one takes into account the large number of hoists, the overall structure is too complex.
  • connection brackets for the stage suspension.
  • connection brackets are attached to the hollow girders and are not only used to connect the flexible traction means with which the removal assembly platform is suspended from so-called lifting trolleys and through which they can move on the overhead track rails that form the track and their height can be adjusted in relation to the sole.
  • connection brackets also accommodate telescopic tubes, which form the actual stage suspension. The telescopic tubes are attached to the trolley at one end and connected to the relevant connection console by means of plug pins when the work platform is raised.
  • the telescopic tubes attached to the rear end prevent the work platform from tipping over because of their mutual positive locking and the positive locking with the trolleys and connection brackets.
  • connection consoles
  • the connection brackets for the hooks are attached under the work platform.
  • the traction mechanism drives are in turn attached to the platform supports under the element plate and consist of lifting devices that are otherwise attached to the trolleys.
  • hoists can be used which consist of a rotating drive motor with a gear which has a chain sprocket on its drive shaft which engages in the suspension chain forming the traction means.
  • the chain sprocket divides the chain into an upper and a lower chain.
  • the guidance of the empty chain is unproblematic because it can be accommodated under the trolley due to gravity in a chain bag or a chain case and can thus be guided properly.
  • This option is not available when installed in a pontoon-shaped element of the work platform. The result is a series of malfunctions that cannot be tolerated due to frequent confusion of the upper and lower chain.
  • the invention is based on the further object, starting from the prior art from DE-U-80 24 221 to simplify the hoists without the again also known lifting trolleys being necessary and also to accommodate the modified traction mechanism drives in such a way that the connection brackets for the telescopes of the known stage suspension or a similarly appropriately designed stage suspension can continue to be used.
  • the drives can be realized on the one hand with single or double-acting, single or multiple thrust piston drives and on the other hand both ends of the traction mechanism only articulated to the relevant connection bracket , which means you can get by with simple trolleys and keep connection consoles to which the stage suspension can be connected.
  • the length of the elements in which the thrust piston gears are accommodated does not generally depend on the extended length of the thrust piston gears, but on various other aspects, despite the sheared-in traction means.
  • the grid dimension and the edge offset of the elements which ensures the bending tensile strength of the work platform, play a particularly important role, because this creates the possibility of doing without stage frames.
  • the invention makes it possible to accommodate sufficiently large extension lengths of the thrust piston gears, which can cover the required distance for raising and lowering the work platform in one stroke and therefore the available length within the elements can exceed their length.
  • one of the work platform elements 1 consists of sheet metal 2, which forms part 3 of the surface of a work platform which can be seen in its details from FIGS. 1 and 2.
  • the sheet has double-folded longitudinal edges 4 and 5; 6 and 7. This results in the C-shaped cross section shown in FIG. 5, the downward-pointing legs 12 and 14 of which, as shown in FIG. 3, are provided with cutouts 15 and 16, respectively.
  • the longer axis 17 of these congruent cutouts 15 and 16 runs in the direction of the longitudinal channel ten 4 and 5; 6 or 7, while the shorter axis 18 is perpendicular thereto.
  • the edges of the sheet carry 2 angle profiles legs 8, 9 and 10, 11 which are perpendicular to one another.
  • the leg 8 and 10 pointing downward in turn has a recess 21 which, according to arrangement and size, the recesses 15 and 16 corresponds and therefore allows the screwing of the element on the narrow sides with other elements.
  • the sheet 2 is stiffened because of its relatively large extension in the longitudinal direction of angle profile sections 24, 25, which extend transversely at a distance from the transverse edges 19, 20 and at a mutual distance from one another and are fastened in such a way that one leg 27 is perpendicular to the Sheet 2 and the other leg 28 runs parallel to the folds 5, 7.
  • the element 30 shown in FIGS. 6 and 7 corresponds to one half of the element 1 divided in its longitudinal center and is therefore provided with corresponding reference numerals. Since it lacks bends or angular profiles on its longitudinal edge 31 corresponding to the dividing line, it can be oriented outwards with this longitudinal edge 31 and form an outer element of the work platform.
  • the remaining parts of element 32 correspond to the relevant parts in element 1.
  • connection consoles are on this element. len 38, 39 attached.
  • connection brackets are generally U-shaped.
  • the web 40 of the profile lies with its outer side 40 ′ on the upper side 41 of the sheet 2. It carries several bores 42 for a hexagon head screw 43 and 44, respectively. These screws hold with their nuts 45, 46 a flat iron bracket 47 under a hollow profile carrier 49 which is welded to the underside 50 of the sheet 2.
  • the two flanges 51 and 52 of the brackets in turn carry holes 53, 54 for the connection of hoists, carrying chains, carrying hooks or the like, these devices not being shown.
  • the two hollow beams 49 and 55 can be connected in the manner shown in FIG. 10 with only one bracket 38, 39 but also with a plurality of brackets, preferably arranged next to one another in the transverse direction.
  • the element 36 with two brackets 38, 39 arranged on its transverse edges can also be provided with only one bracket of this type, which is then expediently located in the middle between the angle profile sections 24 and 25 in the embodiment shown in FIG 10 apparent manner is attached.
  • the element 56 according to FIGS. 12 to 14 can correspond to element 32, but also to element 1.
  • the illustration assumes that element 1 is involved, so that FIG. 12 corresponds to FIG. 5.
  • the reference numerals of FIG. 5 are entered accordingly in FIG. 12.
  • the angular profile of the transverse edge 20 with the legs 10 and 11 has been omitted, so that the outer edge 57 corresponding to the transverse edge is free.
  • a hollow support 58 is supported, which partially closes the side 57 below. It serves to guide the side members 59, 60 of a frame 61, the frame members 63, 64 of which are perpendicular to this can be seen in the illustration in FIG. 13.
  • This frame 61 supports a sheet metal 66, which forms the surface of a drawer-shaped side element 67.
  • the frame member arranged on the outside carries two profile sections 69, 70 which run perpendicular to the sheet metal 66 and with which the drawer-like side element 67 can be handled.
  • the main elements of a modular system, from which work platforms can be assembled consist of at least two types of elements having the same layout, namely the basic elements 1 and the short elements 32.
  • the basic elements 1 and the short elements 32 consist of at least two types of elements having the same layout, namely the basic elements 1 and the short elements 32.
  • two of the short elements 32 connected to one another at their adjacent transverse edges 34 result in the outline of a basic element 1.
  • This construction kit can be extended with long elements, which make up half of a basic element 1, which can be assembled from two short elements 32; a long element can be provided with a free edge 31.
  • the kit can have basic and short elements 1 and 32, which are provided with guides for drawer elements 67.
  • FIG. 1 An embodiment of a work platform resulting from such a modular system is shown in FIG. 1.
  • the platform front side 70 is formed here by a base element 1, which is provided on its two transverse edges 4 and 6 with guides for one drawer element 67 each and determines the transverse dimensions of the platform with its length. It is fastened with one of its longitudinal edges 4 to the platform section 71, which basically consists of a middle section 72 and a side section 73, 74 each. These parts of the platform section 71 are congruent, but are composed of different elements of the modular system.
  • the middle piece 72 is made of two basic elements 75 and 76, respectively, in FIG. 2 to 5 at 1 reproduced type composed.
  • the two side parts 73 and 74 are constructed in the same way and consist of a basic element 77 and 78 of the type shown in FIG. 1 and two short elements 78, 79 and 80, 81 of the type shown at 32 connected to their transverse edges the side elements 79 and 81 connected to the front part 70 are each provided with two drawer elements 67 on their outer sides.
  • One of the two hollow supports (not shown) connects the fastenings of the brackets 39, 39a and 38, 38a arranged next to one another in the transverse direction.
  • the embodiment of FIG. 2 differs from the embodiment of FIG. 1 in that the platform section 71 is composed differently.
  • the platform side parts 73, 74 as well as the center piece 72 according to FIG. 1 are composed, while the center piece 72 of the embodiment according to FIG. 2 is composed like one of the side parts 73, 74 of FIG. 1, which is indicated by corresponding reference numerals.
  • a long element 30 is fastened to the base element 1, namely to its front transverse edge 5.
  • the hollow beams 49, 55 which are also not shown in the embodiment according to FIG. 2, run in this embodiment in the longitudinal direction, that is to say under the elements 75 and 76 of the side parts 73, 74.
  • the arrangement of the elements is now such that in the work platform, generally designated 90, the surface 91 of which is formed exclusively from the mutually aligned sheets 2 of fixed elements 1, 32 and 30; the across the longer, d. H.
  • the majority of the elements 91 adjacent in the longitudinal direction of the surface of the surface 91 are arranged with their edges extending in this direction in the other surface dimension.
  • the elements 79, 76 are adjacent to one another transversely to the longer dimension. At least the edges 93, 94 of these elements jump in the longitudinal direction. This also applies to the transverse edge 94 of the element 76 in relation to the transverse edge 95 of the adjacent element 79. Furthermore, this applies to the transverse edges 96, 97 of the elements 77 in relation to the respectively adjacent element 76 and 75.
  • the drawer-shaped element 67 is made of a plate forming the upper side, i. H. a sheet metal 2, which corresponds to the element sheet metal 2, which has over the frame members projecting side parts 98, 99, which are guided on angle profiles 100 and 100 '.
  • the transverse edges of the elements connected to one another are offset. This increases the bending tensile strength of the platform, especially in the longitudinal direction of the route.
  • the carriers 49, 55 are also square tubes. If these tubes are arranged in the transverse direction of the elements, they can interact with a hole program for the bow bolts 43 and 44, which enables the brackets to be adjusted transversely. As a result, the track of the track consisting of two rails can be varied for the at least four trolleys and adapted accordingly to the track width.
  • the supports can also be used as stiffening elements of the plates or sheets 2 or, conversely, stiffening elements as supports.
  • the base element 1 arranged on the platform front side 70 can be replaced by a short element in the design of the elements 79, 81 if each of these elements 79, 81 is exchanged for a base element 1, in which the drawers are then attached to the side. 15 to 18, the work platform or the removal assembly platform is only partially, i. H. reproduced with only one of its elements, designated 101.
  • This element consists of a plate 103 which forms the upper side of the relevant part of the work platform and which is formed by a plate with a rectangular plan.
  • the longer edges 104 and 105 and the shorter edges 106 and 107 of the sheet metal, which are at right angles thereto, are folded twice so that vertical walls 107 'and adjoining extensions 108 lying in a plane parallel to the sheet metal are bent on all four edges 104- 107 result.
  • the longitudinal and cross-section then results in the C-shape of the element which can be seen in FIG. 15 and FIG. 17, which thereby has a high inherent rigidity.
  • the work platform can be assembled from a plurality of such elements according to a predetermined grid, the surfaces 102 of the elements being aligned and the elements being fastened to one another with their walls 107 ', e.g. B. are screwed.
  • Such a work platform which is built according to a certain grid, is usually hung in at least four places. 15, however, only two of these suspensions are shown, namely on a hanging rail 109 laid in the roof of a section, which forms a track with a further hanging rail laid in parallel.
  • On the rail shown 109 each run a trolley 110 or 110 ', which are designed as Unterflanschrawr.
  • the trolleys are of a known construction and therefore are not reproduced in their details, but only indicated with their side shields.
  • a traction mechanism drive 117 or 118 is fitted with the aid of a roller 119, which is mounted in the forked head 120 of a piston rod 121, which in turn is guided in a hollow piston rod 122.
  • the piston of the piston rod 122 runs in the cylinder 123, which carries a hinge pin 124 at its end.
  • the hinge pin sits in a bushing, the jaws 125, 126 of which are welded to gusset plates 127, 128.
  • the gusset plates 127, 128 are welded into the C-shaped space, which is enclosed by the parts 103, 107 'and 108.
  • the parts 121-123 form a hydraulically actuated, single or double-acting thrust piston gear, which serves to drive the traction mechanism 114.
  • the traction element 114 is deflected by a roller 129 which is mounted in the two end shields 130, 131 of a connection bracket 132 which, according to the exemplary embodiment shown, is assigned to the traction element 114 and its thrust piston gear.
  • the two end shields are stiffened with the aid of connecting gusset plates 134, 135 and, moreover, have aligned bores 136 for plug bolts. This makes it possible to positively connect the consoles 132 to the telescopic tube arrangements mentioned at the outset, which, for. B. may be connected to the aligned holes indicated at 137 in the end shields of the trolley 110.
  • FIG. 18 shows a hydraulic circuit diagram.
  • the parts surrounded by dash-dotted lines 150 are in a known hydraulic drive station, which can be accommodated on the work platform itself and z.
  • B. has a compressed air drive 151 for the hydraulic pump 152, which takes the hydraulic working medium from the tank 153 and brings it to the required operating pressure.
  • a feed line 154 extends from this drive station 150, the return of the working medium taking place through line 155.
  • the total of four working platforms equipped with hydraulic thrust piston gears of the type described in connection with FIG. 15 can be raised and lowered with the traction mechanism drive designated 156-159 in the circuit diagram of FIG. 18.
  • the traction mechanism drive designated 156-159 in the circuit diagram of FIG. 18.
  • four two-way three-position valves 160 each assigned to one of the actuators 156-159, which, as indicated at 161, can be adjusted by hand, it is also possible to actuate each actuator 156-159 for itself, so that the working platform is on their four suspension points can be adjusted.
  • Each of the double-acting thrust piston gears forming the drives 156-159 is also secured with a lowering brake valve arrangement 162.
  • This is a pipe rupture protection device provided with check valves and an overpressure protection device which ensures that the excess pressure is released into line 155 in good time if the operating pressure is exceeded.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (13)

1. Plate-forme de montage pour le soutènement de galeries d'exploitation au fond, comportant plusieurs supports (49, 55) et une plate-forme de travail (90) possédant une surface continue (91) et qui comporte plusieurs éléments (1,30, 32, 75 à 77, 78 à 81) pouvant être fixés les uns aux autres de façon détachable et qui sont constitués par une plaque (2) et comportent des cornières dirigées vers le bas, disposées sur plusieurs bords de la plaque et réalisées de préférence d'un seul tenant avec la plaque, et dans laquelle il est prévu des consoles de raccordement (38, 39), par exemple une suspension de plate-forme, coopérant avec les supports, caractérisée en ce que la surface (91) de la plate-forme de travail (90) est formée exclusivement par des plaques (2) des éléments (1, 30, 32, 75 à 77, 78 à 81) fixés les uns aux autres, les bords transversaux (93 à 97) des éléments (75 à 77, 78 à 81), qui sont voisins suivant la direction transversale de la surface (91), étant disposés suivant la direction longitudinale de la plate-forme de travail (90), tandis que les supports (49, 55) sont installés au-dessous des plaques (2) des éléments.
2. Plate-forme de montage pour soutènement selon la revendication 1, caractérisée en ce que les bords extérieurs latéraux (5) d'un ou de plusieurs éléments (1, 79,81) disposés extérieurement sont exempts de cornières (8 à 11) et servent d'ouvertures pour des éléments latéraux (67) guidés en eux à la manière de tiroirs.
3. Plate-forme de montage pour soutènement selon l'une des revendications 1 ou 2, caractérisée en ce que sur la face avant (70) de la plate-forme, au moins un élément (1) possédant une longueur correspondant à la dimension transversale de la plate-forme est fixé sur la face frontale d'une partie (71) de la plate-forme, qui est formée par la réunion des éléments (75 à 77) et (78 à 81) possédant le même contour en projection, et qui est constituée par au moins une partie médiane
(72) de la plate-forme et respectivement par une partie latérale (73, 74) de cette dernière. 4. Plate-forme de montage pour soutènement selon l'une des revendications 1 à 3, caractérisée en ce que la partie médiane (72) de la plate-forme est constitué de deux éléments (75, 76) possédant le même contour en projection et que les parties latérales (73, 74) sont constituées respectivement par un élément (77) de ce contour en projection et par deux éléments (78, 79 ; 80, 81) possédant un contour en projection plus petit et entre lesquels cet élément est disposé.
5. Plate-forme de montage pour soutènement selon l'une des revendications 1 à 3, caractérisée en ce que les parties latérales (73, 74) sont constituées par deux éléments (75, 76) possédant le même contour en projection et que la partie médiane (72) est constituée par un élément (77) possédant ce contour en projection et par deux éléments (78, 79) possédant un contour en projection plus petit et entre lesquels il est disposé.
6. Plate-forme de montage pour soutènement selon l'une des revendications 1 à 5, caractérisée en ce que la plate-forme de travail (90) est constituée par au moins deux types d'éléments possédant les mêmes contours en projection, à savoir par des éléments courts (32) qui forment un élément de base (1), en étant réunis deux par deux par leurs bords transversaux voisins (34).
7. Plate-forme de montage pour soutènement selon l'une des revendications 1 à 6, caractérisée en ce que la plate-forme de travail (90) comporte des éléments longitudinaux (30) qui forment un élément de base (1) en étant réunis sur leurs bords longitudinaux voisins.
8. Plate-forme de montage pour soutènement selon l'une des revendications 1 à 7, caractérisée en ce que la plate-forme de travail (90) comporte des éléments de base (1) et des éléments courts (32), qui sont munis de guides pour des éléments latéraux en forme de tiroirs.
9. Plate-forme de travail selon l'une des revendications 1 à 8, caractérisée en ce que la plaque (2) qui constitue la face supérieure, est soutenue dans les éléments en forme de tiroirs (67) par un cadre (61) qui glisse sur une traverse (58), des parties latérales (98, 99) de la tôle faisant saillie au-delà du cadre étant guidées sur des cornières (100, 101).
10. Plate-forme de travail selon l'une des revendications 1 à 6, caractérisée en ce que les supports (49, 50) constitués par des éléments profilés coopèrent avec un ensemble de perforations pour le montage, à des distances variables, de consoles voisines de raccordement (38, 39 ; 38, 38a ; 39, 39a) pour des vis de fixation pour un étrier (43, 44), auxquelles les consoles de raccordement sont fixées.
11. Plate-forme de montage pour le soutènement de galeries d'exploitation au fond, comportant des supports et une plate-forme de travail, constituée par une multiplicité d'éléments (101) reliés entre eux et qui sont constitués respectivement par une plaque (103) constituant une surface d'une partie de la plate-forme et par des profilés, par exemple des cornières, dirigés vers le bas, disposés sur la multiplicité des bords des plaques et réalisés de préférence d'un seul tenant avec une tôle constituant la plaque, et comportant une suspension de la plate-forme constituée par plusieurs organes, et des consoles de raccordement (132) associées individuellement aux organes et fixées au-dessous de la plate-forme de travail, ainsi que plusieurs treuils de levage, qui relient la plate-forme de travail à des chariots roulants (110) par l'intermédiaire de moyens de traction (114), auxquels sont associés différents dispositifs d'entraînement (117), qui sont logés au-dessous de la plaque (103) d'un élément, notamment selon les revendications 1 à 10, caractérisée en ce que les dispositifs (117) d'entraînement des moyens de traction sont constitués respectivement par des mécanismes (121, 122) hydrauliques à pistons de refoulement, qui d'un côté sont montés de façon à pouvoir pivoter et de l'autre côté s'accrochent au moyen d'un galet (119) dans les moyens de traction (114, 115) de telle sorte que les axes (139, 139') des mécanismes à pistons de refoulement (121, 122), constituant les dispositifs d'entraînement à fluide comprimé font un angle aigu a avec le plan médian longitudinal (140) des éléments (101) qui les reçoivent, et que les moyens de traction (114, 115) sont fixés au-dessous de la plaque (103) et sont guidés respectivement par l'intermédiaire d'un galet de renvoi (129), qui est monté sur la console de raccordement concernée, fixée dans l'élément (101), vers-le chariot roulant (110, 110') associé au treuil, plusieurs mécanismes à pistons de refoulement (121, 122), utilisés en tant que dispositifs d'entraînement à moyens de traction, étant logés dans un élément (101), dans des paliers (144, 145) en vis-à-vis.
12. Plate-forme de montage pour soutènement selon la revendication 11, caractérisée en ce que les paliers (101) des galets (119), insérés dans les moyens de traction (114, 115) sont guidés entre des profilés (141 à 143), qui sont fixés au-dessous de la tôle (103) des éléments (101).
13. Plate-forme de montage pour soutènement selon l'une des revendications 11 ou 12, caractérisée en ce que les mécanismes à pistons de refoulement (156 à 159) peuvent être commandés individuellement et sont protégés par des soupapes de frein de descente vis-à-vis d'une rupture de canalisation et d'une surpression.
EP82101840A 1981-03-11 1982-03-09 Plate-forme de montage pour le soutènement de galeries d'exploitation au fond Expired EP0059972B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3109163 1981-03-11
DE19813109159 DE3109159A1 (de) 1981-03-11 1981-03-11 Ausbaumontagebuehne fuer strecken des untertagebetriebes
DE19813109163 DE3109163A1 (de) 1981-03-11 1981-03-11 Ausbaumontagebuehne fuer strecken des untertagebetriebes
DE3109159 1981-03-11

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EP0059972A1 EP0059972A1 (fr) 1982-09-15
EP0059972B1 true EP0059972B1 (fr) 1985-07-17

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DE3264719D1 (en) 1985-08-22

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