EP1719876B1 - Chevalet de soutènement pour une gallerie souterraine. - Google Patents

Chevalet de soutènement pour une gallerie souterraine. Download PDF

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Publication number
EP1719876B1
EP1719876B1 EP05012960A EP05012960A EP1719876B1 EP 1719876 B1 EP1719876 B1 EP 1719876B1 EP 05012960 A EP05012960 A EP 05012960A EP 05012960 A EP05012960 A EP 05012960A EP 1719876 B1 EP1719876 B1 EP 1719876B1
Authority
EP
European Patent Office
Prior art keywords
runner
cap
cylinder
support according
stope support
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.)
Not-in-force
Application number
EP05012960A
Other languages
German (de)
English (en)
Other versions
EP1719876A1 (fr
Inventor
Gregor Pieczyk
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.)
Maschinenfabrik Glueckauf & Co KG GmbH
Original Assignee
Maschinenfabrik Glueckauf & Co KG GmbH
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 Maschinenfabrik Glueckauf & Co KG GmbH filed Critical Maschinenfabrik Glueckauf & Co KG GmbH
Priority to PL05012960T priority Critical patent/PL1719876T3/pl
Publication of EP1719876A1 publication Critical patent/EP1719876A1/fr
Application granted granted Critical
Publication of EP1719876B1 publication Critical patent/EP1719876B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
    • E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with the working face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/083—Advancing mechanisms forming parts of the roof supports acting on a firm abutment adapted thereto
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • E21D23/086—Details of fixing devices therefor

Definitions

  • the invention relates to an expansion rack for an underground track according to the features in the preamble of claim 1.
  • Each support frame comprises at least one runner, a consistently multi-limbed cap and hydraulically loadable punches incorporated between the runner and the cap. It can also be provided as part of a Lemniskatenlenkeran Ich between the runner and the cap, in particular in the rear region of the expansion rack guide.
  • a Lemniskatenlenkeran Mr then often includes a rupture shield to prevent ingress of debris in the inner region of the To prevent expansion frames. Further, it ensures relative relative displacements of the cap to the skid a substantially rectilinear vertical movement of the cap.
  • a vertically pivotable stem cap protrudes over the front part of the skid in order to undercut the track ridges above the machine frame without stamping.
  • the runner of the expansion rack is traversed in the longitudinal direction by a force-guided on the runner rear linkage, which is connected on the one hand via a hydraulically loadable rear cylinder with the skid and on the other hand via a stop unit at least indirectly with the machine frame overlapped by the cap.
  • a vertically oriented, hydraulically actuated lifting cylinder can be provided to lift the runner at the back of the expansion rack.
  • the cap Since the cap is usually underpinned by two juxtaposed stamp, at least parts of the expansion frame can rotate about the longitudinal edge of the cap, which is in contact with the Streckenfirste. This results in a twisting of the entire system of the expansion rack, which not only has adverse effects on the individual components of the expansion rack.
  • the track ridge can also be scavenged.
  • the DE 3801008 discloses expansion station with front and rear caps connected by guide elements.
  • the invention is - based on the prior art - the object of the invention to provide an expansion rack for an underground track, which is not harmful even with an inclined course of the Streckenfirste relative to the track sole Influences, in particular on torsion, is exposed and in which the track ridges is gently underpinned.
  • each partial cap is freely movable by at least one stamp mounted on the undivided skid. Consequently, each partial cap can be pressed against the laterally inclined partial length of the guide without being influenced by the adjacent partial cap.
  • a triangular gusset in the form of a fine-grained gusset, arises due to the different height position of the two partial caps between the upper side of the lower partial cap, the adjacent lateral surface of the uppermost partial cap and the extended gusset Accumulate debris.
  • the expansion frame is combined with at least one further expansion frame according to the invention to form a track expansion team.
  • all movements of the different parts of the expansion station can be linked control technology.
  • a preferred embodiment of the invention consists in the features of claim 3. Thereafter, each sub-cap by two successive punch and a Lemniskatenscher assembly connected to the runner. Conceivable, however, are other commonly used in practice stamp assemblies.
  • the Lemniskatenlenker arrangement is advantageously provided with a rupture shield to prevent the ingress of debris in the expansion rack.
  • the rear cylinder is hinged with its piston rod to the rear end of the rear linkage and with its cylinder housing to a the rear linkage in the front part of the runner bridging cross member articulated.
  • the at least partially relieved in terms of the stamp extension frame is tightened under support on the machine frame of the longwall conveyor, whereas when a loading of the piston rod space is clamped between Streckenfirste and track sole braced expansion rack of the machine frame to the amount predetermined by the recovery amount.
  • the return linkage, together with the rear cylinder is protected in a longitudinal channel of the runner.
  • the features of claim 5 provide that a vertically oriented, hydraulically actuated lifting cylinder is provided.
  • the lifting cylinder is connected via its cylinder housing with the front end of the rear linkage and its piston rod to the crossbar. Consequently, when the piston chamber of the lifting cylinder is acted upon, the piston rod extends and raises the front end of the runner via the traverse. Parallel to this, the punches between the runner and the partial caps have been relieved accordingly.
  • At least indirectly connected stop unit is provided according to the features of claim 6, that the coupling region of the rear linkage with the stop unit by extending transversely to the longitudinal course of the runner horizontal, hydraulically loadable displacement cylinder along the stop unit is displaceable.
  • the stop unit is fixed to a bottom plate of the machine frame reversible according to claim 7.
  • the invention makes it possible, without major problems, to automate control of all actions of the various hydraulic cylinders.
  • a track expansion team of two juxtaposed expansion points 2 is designated.
  • FIG. 3 designates an underground section which is substantially rectangular in cross-section, with an approximately horizontally extending track bottom 4 and, on the other hand, inclined track ridges 5 (FIG. 3).
  • the free path cross section is secured by anchor 6.
  • the drive head of a longwall conveyor 8 is referred to transition to a track conveyor 9 and with drives 10 for the longwall conveyor 8 and 11 for an unspecified extraction machine.
  • the machine frame 12 of the drive head 7 is supported on a bottom plate 13 lying on the track bottom 4.
  • Each support frame 2 has a runner 14, four telescopic and hydraulically actuated punch 15, a cap 16 carried by the punches 15 and two in the rear region of the expansion frame 2, the runner 14 with the cap 16 hingedly connecting Lemniskatenlenkeran Aunt 17 from two guide arms 18 and a Bruchschildlenker 19 on.
  • the Bruchschildlenker 19 prevents ingress of debris HW in the expansion station. 2
  • the cap 16 is divided along its longitudinal direction into two partial caps 20 which, as shown in FIG. 3, contact their mutually facing side surfaces 21.
  • Each partial cap 20 is underpinned by two punches 15 arranged one behind the other in the longitudinal direction of the partial caps 20. Further, a Lemniskatenscheran Aunt 17 is provided between each partial cap 20 and the skid 14.
  • FIGS 1 and 2 show that each partial cap 20 is provided with a stem cap 22 which projects beyond the drive head 7 and with respect to the partial cap 20 by means of a hydraulically acted upon oblique cylinder 23 about an axis 24 is vertically pivotable.
  • the cylinder housing 25 are hinged to the partial cap 20 and the piston rod 26 to the stem cap 22.
  • connections 27 of the punches 15 to the respective partial caps 20 are offset with respect to the vertical contact plane KE between the partial caps 20 of a support frame 2 in the direction of the side surfaces 28 facing away from each other.
  • the partial caps 20 are consequently underlaid asymmetrically by the punches 15.
  • each triangular gusset 30 formed in which heap 31 accumulates.
  • This heap 31 is entrained over the entire length of the partial caps 20 and fills the gussets 30 on. In this way, even with an inclined track ridge 5, an extensive surface contact pressure of the partial caps 20 on the track ridges 5 and thus a distribution of the surface pressure is ensured.
  • the runners 14 of the expansion station 2 have longitudinal channels 32, in which return rods 33 are positively guided.
  • the rear ends of the expansion point 2 front ends 34 of the return linkage 33 are fastened via U-shaped sliding sleeves with the interposition of joints 36 on guide rails 35 of stop units 38.
  • the stop units 38 are set to be repositioned on the bottom plate 13.
  • the sliding sleeves 35 of the return linkage 33 can be displaced transversely to the longitudinal extent of the return linkage 33 along the guide rails 37 by means of hydraulically loadable displacement cylinders 39.
  • the rear ends 40 of the linkage 33 are pivotally connected to the piston rods 41 of hydraulically loadable rear cylinders 42.
  • the cylinder housing 43 of the rear cylinder 42 are struck on cross members 44 of the runners 14, which bridge the front ends of the rear linkage 33.
  • the expansion point 2 remain clamped between the track sole 4 and the track ridge 5, so that they form an abutment.
  • the piston rod chambers of the back cylinder 42 is applied, the machine frame 12 is further shifted by the desired amount in the direction of degradation. If this level is reached, the punch 15 are relieved accordingly, so that the tension between the track ridge 5 and the track sole 4 is canceled. Thereafter, the lifting cylinder 45 are acted upon in Ausfahrsinne and raised in this way the front parts 48 of the skids 14. Subsequently, the piston chambers of the return cylinder 42 are acted upon and pulled in this way, the two expansion point 2.
  • the lifting cylinder 45 is relieved again, lowered the runners 14 on the track sole 4 and then clamped the punch 15 again, so that the skids 14 are pressed against the track sole 4 and the partial caps 20 to the Streckenfirste 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
  • Building Environments (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Actuator (AREA)
  • Steering Controls (AREA)

Claims (7)

  1. Chevalet de soutènement pour une galerie souterraine (3) qui présente un patin (14), un chapeau (16) et des étançons (15) actionnables hydrauliquement étant incorporés entre le patin (14) et le chapeau (16), caractérisé en ce que le chapeau (16) est divisé le long de sa longueur et que chaque partie de chapeau (20) en elle-même est soutenue de façon librement mobile par au moins un étançon (15) logé sur le patin non divisé (14).
  2. Chevalet de soutènement selon la revendication 1, caractérisé en ce que les ancrages (27) des étançons (15) par rapport au plan de contact vertical (KE) entre les parties de chapeaux (20) sont disposés de façon décalée dans la direction des faces latérales (28) détournées entre elles.
  3. Chevalet de soutènement selon la revendication 1 ou 2, caractérisé en ce que chaque partie de chapeau (20) est raccordée par étançons encastrés (15) et un agencement de guidage de lemniscate (17) du patin (14).
  4. Chevalet de soutènement selon l'une des revendications 1 à 3, caractérisé en ce que le patin (14) est traversé dans sa direction longitudinale par une contre-tige (33) guidée par contrainte sur le patin (14), laquelle est d'une part raccordée par le biais d'un vérin de retour hydraulique (42) avec le patin (14) et d'autre part par le biais d'une unité d'accrochage (38) au moins indirectement à une tête d'entraînement (7) emprisonnée par le dessus par le chapeau (16), d'un convoyeur de taille (8), dans lequel le vérin de retour (42) est accroché par sa tige de piston (41) sur l'extrémité arrière (40) de la contre-tige (33) et par son logement de vérin (43) sur une traverse reliant la contre-tige (33) dans la partie avant (48) du patin (14).
  5. Chevalet de soutènement selon la revendication 4, caractérisé en ce qu'un vérin de levage (45) actionnable hydrauliquement, orienté verticalement est prévu pour soulever le patin (14), dans lequel le vérin de levage (45) est raccordé par l'extrémité avant (34) de la contre-tige (33) et par le biais de sa tige de piston (46) à la traverse (44).
  6. Chevalet de soutènement selon la revendication 4 ou 5, caractérisé en ce que la zone d'accouplement (35) de la contre-tige (33) est déplaçable avec l'unité d'accrochage (36) le long de l'unité d'accrochage par un vérin de déplacement (39) horizontal, actionné hydrauliquement, s'étendant transversalement par rapport au trajet longitudinal du patin (14).
  7. Chevalet de soutènement selon l'une des revendications 4 à 6, caractérisé en ce que l'unité d'accrochage (38) est fixé de façon démontable sur une plaque de fond (13) du châssis de machine (12) de la tête d'entraînement (7).
EP05012960A 2005-05-03 2005-06-16 Chevalet de soutènement pour une gallerie souterraine. Not-in-force EP1719876B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05012960T PL1719876T3 (pl) 2005-05-03 2005-06-16 Korpus obudowy do podziemnego chodnika

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200520007257 DE202005007257U1 (de) 2005-05-03 2005-05-03 Ausbaugestell für eine untertägige Strecke

Publications (2)

Publication Number Publication Date
EP1719876A1 EP1719876A1 (fr) 2006-11-08
EP1719876B1 true EP1719876B1 (fr) 2007-10-17

Family

ID=34745795

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05012960A Not-in-force EP1719876B1 (fr) 2005-05-03 2005-06-16 Chevalet de soutènement pour une gallerie souterraine.

Country Status (6)

Country Link
EP (1) EP1719876B1 (fr)
AT (1) ATE376119T1 (fr)
DE (2) DE202005007257U1 (fr)
PL (1) PL1719876T3 (fr)
RU (1) RU2299330C2 (fr)
UA (1) UA82724C2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1935925A1 (fr) * 2006-12-21 2008-06-25 Kraton Polymers Research B.V. Procédé de préparation d'un latex artificiel
CN101482022B (zh) * 2008-01-10 2011-12-07 李泽宇 一种整体底梁
CN101519973B (zh) * 2008-02-25 2010-12-01 张学进 顶底互联式液压支架
CN101644162B (zh) * 2009-08-04 2011-07-06 山西东华机械有限公司 自循环式超前液压支架
CN102042024B (zh) * 2010-11-13 2012-11-07 枣庄矿业（集团）有限责任公司第二机械厂 滑移顶梁超前支护支架
CN103557023B (zh) * 2013-11-15 2016-07-06 中煤北京煤矿机械有限责任公司 极软煤层液压支架
CN103758554A (zh) * 2013-12-05 2014-04-30 中煤北京煤矿机械有限责任公司 液压支架的可靠性托梁结构及液压支架
CN104196551A (zh) * 2014-07-01 2014-12-10 三一重型装备有限公司 液压支架
CN104314595B (zh) * 2014-09-28 2017-08-04 北京诚田恒业煤矿设备有限公司 一种支架上用液压驱动的伸缩与翻转组合机构
CN105240013B (zh) 2015-06-24 2017-12-15 何满潮 长壁开采n00工法
CN108222934B (zh) 2015-06-24 2019-11-05 北京中矿创新联盟能源环境科学研究院 无巷道无煤柱自留巷开采工法的装备系统
CN105909295B (zh) * 2015-09-30 2017-12-19 北京中矿创新联盟能源环境科学研究院 无巷道无煤柱自留巷开采工法的快速回撤支架及装备系统
CN107227966B (zh) * 2017-06-22 2023-10-10 天地科技股份有限公司 巷道掘进临时支护装置
CN109555154B (zh) * 2017-12-28 2020-12-22 中建科技有限公司深圳分公司 综合管廊明挖施工方法
CN111365044B (zh) * 2020-03-11 2020-11-20 山东科技大学 一种利用接顶式盾板支架处理隧道塌方的方法
CN113356912B (zh) * 2021-07-15 2022-06-28 安徽理工大学 一种煤矿井下轴底向斜开采用支护装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1240020B (de) * 1963-08-31 1967-05-11 Konrad Grebe Ausbaugespann fuer den wandernden Strebausbau
DE3709437A1 (de) * 1987-03-21 1988-11-03 Ludwig Pawelski Ausbaugestell fuer blasversatz
DE3801008C1 (en) * 1988-01-15 1989-08-24 Nlw Foerdertechnik Gmbh, 4232 Xanten, De Hydraulic support assembly for the face seam in collieries
DE20012245U1 (de) * 2000-07-14 2000-09-21 Beukenberg Maschf Ausbaugestell für die Strecke

Also Published As

Publication number Publication date
DE502005001735D1 (de) 2007-11-29
EP1719876A1 (fr) 2006-11-08
ATE376119T1 (de) 2007-11-15
RU2005122395A (ru) 2007-01-20
RU2299330C2 (ru) 2007-05-20
UA82724C2 (uk) 2008-05-12
PL1719876T3 (pl) 2008-03-31
DE202005007257U1 (de) 2005-07-07

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