EP2444589A2 - Sangle auxiliaire destinée à desserrer une liaison de serrage pour profilés de fente installés les uns à l'intérieur des autres de la structure minière souterraine - Google Patents

Sangle auxiliaire destinée à desserrer une liaison de serrage pour profilés de fente installés les uns à l'intérieur des autres de la structure minière souterraine Download PDF

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Publication number
EP2444589A2
EP2444589A2 EP11185797A EP11185797A EP2444589A2 EP 2444589 A2 EP2444589 A2 EP 2444589A2 EP 11185797 A EP11185797 A EP 11185797A EP 11185797 A EP11185797 A EP 11185797A EP 2444589 A2 EP2444589 A2 EP 2444589A2
Authority
EP
European Patent Office
Prior art keywords
auxiliary harness
legs
base plate
harness according
bracket
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.)
Granted
Application number
EP11185797A
Other languages
German (de)
English (en)
Other versions
EP2444589B1 (fr
EP2444589A3 (fr
Inventor
Franz-Josef Wunderlich
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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Priority to PL11185797T priority Critical patent/PL2444589T3/pl
Publication of EP2444589A2 publication Critical patent/EP2444589A2/fr
Publication of EP2444589A3 publication Critical patent/EP2444589A3/fr
Application granted granted Critical
Publication of EP2444589B1 publication Critical patent/EP2444589B1/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
    • 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
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/186—Pre-stressing or dismantling devices therefor

Definitions

  • the invention relates to an auxiliary harness for releasing a clamping connection for nested channel profiles of the underground mine excavation according to the features in the preamble of claim 1.
  • Such utensils count within the scope of DE 23 22 658 C to the technique. It comprises two brackets made of flat iron, which engage with curved hooks behind the flanges of the inset gutter profile. Furthermore, the utensils on an abutment, which is penetrated by the legs of the bracket and is supported with a cam on the comprehensive gutter profile.
  • the fixation of the auxiliary harness to the channel profiles is a wedge, which is driven through openings in the legs of the bracket and in this way pulls the hooks of the bracket and the abutment against each other.
  • the describes DE 30 19 314 C2 also an auxiliary device for the track construction of the underground operation of overlapping with expansion joints held together Ausbauprofilsegmenten consisting of an attachable in the overlap harness and a tensioning device, which braces the Ausbauprofilsegmente to release the tensioning device and which can be operated for releasing the harness from a distance.
  • the harness consists of a pair of pliers, one leg of which is formed as a hook at one end and as a seat for the tensioning device at the other end, wherein the other pliers leg is articulated between the seat and the hook, and uf its outside a ball socket as an abutment for Having the free end of a piston rod of the clamping connection forming hydraulic cylinder.
  • a hydraulically operated auxiliary equipment belongs to the prior art ( DE 2 254 993 C ). Apart from the fact that even with this utensils behind the flanges of the inset channel profile clearances for attaching the hooks of the bracket must be created, has such an effective hydraulic auxiliary equipment a considerable weight. Considering that the utensils are fixed by hand to the gutter profiles Thus, its acceptance by miners underground is low, so use often fails. However, then the risk of accidents at work with regard to breaking and then thrown clamping screws when loosening the clamp connections is very high.
  • the invention is - based on the prior art - the object of the invention to provide an auxiliary harness for releasing the clamping connections of each other lying gutter profiles of the underground mine expansion, which is accepted by the weight of the miners and the underground safety aspects fully complies.
  • stirrups of the utensils are U-shaped and lie with their webs at least indirectly on an engaging the gutter profile behind the upper flap of a clamping connection.
  • the abutment is formed by one of the legs of the bracket relatively displaceable interspersed and fixable on the legs base plate as well as on the the comprehensive gutter profile cross tab of the clamping connection supporting and rotatably mounted in the base plate spindle formed.
  • the spindle is first rotated so far in the base plate until the webs of the two straps can be easily moved over the side hook-shaped portions of the upper flap, preferably behind the heads of the clamping screws. For this purpose, no clearances are required behind the flanges of the incoming channel profile, since the sections are in the thickness range of the channel profiles. Subsequently, the spindle is moved against the lower flap. After their contact with the web of the lower flap over the spindle and the base plate, the straps are pulled firmly against the upper flap, so that then a secure clamping of the two nested channel profiles is guaranteed.
  • the insertion resistance of the channel profiles should be at least 150 kN. This ensures that the channel profiles can not slide relative to each other after loosening the easily accessible between the legs of the bracket nuts of the clamping screws.
  • the auxiliary utensils according to the invention can be constructed comparatively easily, so that its acceptance by the miners is to be set high. Furthermore, its handling is easy. It can easily be started by a single miner and released again. In particular, these two circumstances, together with the integrity safety-related function, should help to significantly reduce the risk of accidents.
  • the weight of the auxiliary harness can be reduced even further, that the brackets are formed of round material. Their production can be done with simple bending operations.
  • a mandrel In the middle of the bottom flap opposite end face of the spindle, a mandrel is advantageously provided. This mandrel penetrates when creating the auxiliary harness in the material of the lower flap and causes a fixation of the spindle on the lower flap. As a result, not only slipping of the spindle and thus of the auxiliary harness is prevented by the clamp connection, but also created a marker that allows a bergbe rotatedlichen control instance to properly understand if the invention, the utensils according to the invention has also been used properly when loosening the clamp connections of the channel profiles ,
  • the spindle is rotatably mounted in a fixed in the base plate sleeve.
  • the sleeve is provided with a circumferential collar and in the base plate a corresponding stepped bore is provided. The collar faces the gutter profiles. In this way, a positive connection between the sleeve and the base plate is achieved, via which the forces occurring during bracing of the auxiliary harness can be properly intercepted. Also allows this design that the sleeve can be soldered into the base plate and does not need to be welded.
  • a polygon can be provided at the free end of the spindle.
  • the base plate can be fixed by means of locking nuts on threaded portions of the legs. These are then located on the side of the base plate opposite the split nuts. After applying the auxiliary harness to the channel profiles, the base plate can be fixed in position stabilized on the legs of the bracket in this way.
  • the base plate is configured in a cross shape, which is provided by the legs of the bracket penetrated holes end of the radially extending plate legs.
  • the legs of the bracket are cranked.
  • the cranking is done towards the spindle.
  • the effective lever arms are reduced from the spindle to the neck portions of the webs of the bracket, resulting in that fewer moments are initiated.
  • the stabilization of the bracket is improved during assembly.
  • the bend also serves to make room for an impact wrench to easily access the nuts of the clamping screws.
  • the tension spring is to support the parallel holding of the two brackets during assembly. In particular, it ensures that during the assembly of the auxiliary harness, the webs of the brackets can not slip off the hook-shaped portions of the upper flap or of the heads of the clamping screws. It is appropriate in the length range between the base plate and the end face of the mandrel carrying the mandrel.
  • FIG. 1 With 1 is in the FIG. 1 of two intertwined gutter profiles 2.3 an otherwise not shown underground mining construction referred to.
  • These channel profiles 2,3 sit down - as well as the FIG. 3 shows - each consisting of a web 4, the web 4 adjoining, arcuately curved legs 5 and the ends of the legs 5 provided flanges 6 together.
  • the flanges 6 are undercut, so the flanges 6 of the comprehensive channel profile 2, the undercuts 7 of the inset channel profile 3 can form fit.
  • the channel profiles 2, 3 are held together in the overlapping area 1 by means of at least two clamping connections 8, which (see FIGS. 1 . 3 and 4 ) in each case from one of the inset channel profile 3 engages behind upper flap 9 with lateral hook-shaped sections 10, with the flanges 6 of the incoming channel profile 3 cross beads 11 and provided between the beads 11 retracted length portion 12, a comprehensive gutter profile 2 cross-bottom flap 13 with laterally transversely projecting legs 14 and with engaging in the undercuts 7 of the flanges 6 of the comprehensive channel profile 2 beads 15 and clamping screws 16 with nuts 17 together.
  • the clamping screws 16 are with their heads 18 in the hook-shaped portions 10 of the upper flap 9, while the nuts 17 are supported on the lateral legs 14 of the lower flap 13.
  • the auxiliary harness 19 has two round steel U-shaped bracket 20 with webs 21 and cranked legs 22.
  • the legs 22 have end threaded portions 23 which pass through holes in radially extending legs 24 of a cross-shaped base plate 25.
  • the cross-shaped formation of the base plate 25 result in large circumferential recesses 26 and 27 (see in particular FIG. 5 ), which contribute to the weight reduction of the auxiliary harness 19.
  • the recesses 27 are used for trouble-free attachment, for example, an impact wrench to the nuts 17 of the clamping screws sixteenth
  • a sleeve 31 is centrally defined in stepped bore 42, for example, soldered ( FIG. 6 ).
  • This sleeve 31 has an internal thread 32 and a collar 33 which faces the comprehensive channel profile 2.
  • the sleeve 31 is penetrated by a spindle 34 having a polygon 35 at the free end for attaching a impact wrench and at the opposite end a plate 36.
  • a pointed spout 37 is provided in the middle of the front side 41 of the plate 36,
  • the auxiliary harness 19 is recognized in the screwed out of the base plate 25 spindle 34 in the region of a clamping connection 8 that the bracket 20 with the webs 21 perfectly on the hook-shaped portions 10 of the upper flap 9 and the heads 18 of the clamping screws 16 grasp ,
  • the auxiliary harness 19 then has the configuration of FIGS. 3 and 4 , After that will be Nuts 39 on the threaded portions 23, which are on the above-mentioned and by means of female 29 nuts 28 opposite side of the base plate 25, rotated in the direction of the base plate 25, so that a positional fixation of the base plate 25 is ensured on the brackets 20.
  • the spindle 34 is displaced against the web 40 of the bottom flap 13 ( FIG. 3 ), and in fact so far that the auxiliary harness 19 is applied with a force that ensures a push-in resistance of the two channel profiles 2,3 of at least 150 kN.
  • the clamping connections 8 can be released safely, so that after relieving the auxiliary harness 19, the channel profiles 2.3 can be robbed easily.

Landscapes

  • 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)
  • Supports For Pipes And Cables (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Clamps And Clips (AREA)
EP11185797.5A 2010-10-20 2011-10-19 Sangle auxiliaire destinée à desserrer une liaison de serrage pour profilés de fente installés les uns à l'intérieur des autres de la structure minière souterraine Not-in-force EP2444589B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11185797T PL2444589T3 (pl) 2010-10-20 2011-10-19 Zestaw pomocniczy do luzowania zaciskowego połączenia włożonych w siebie profili korytkowych podziemnej obudowy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010048794A DE102010048794A1 (de) 2010-10-20 2010-10-20 Hilfsgeschirr zum Lösen einer Klemmverbindung für ineinander liegende Rinnenprofile des untertägigen Grubenausbaus

Publications (3)

Publication Number Publication Date
EP2444589A2 true EP2444589A2 (fr) 2012-04-25
EP2444589A3 EP2444589A3 (fr) 2013-02-13
EP2444589B1 EP2444589B1 (fr) 2013-12-18

Family

ID=45317209

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11185797.5A Not-in-force EP2444589B1 (fr) 2010-10-20 2011-10-19 Sangle auxiliaire destinée à desserrer une liaison de serrage pour profilés de fente installés les uns à l'intérieur des autres de la structure minière souterraine

Country Status (3)

Country Link
EP (1) EP2444589B1 (fr)
DE (1) DE102010048794A1 (fr)
PL (1) PL2444589T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL423328A1 (pl) * 2017-10-31 2019-05-06 Przed Produkcyjno Handlowo Uslugowe Witmet Spolka Z Ograniczona Odpowiedzialnoscia Blokada przesuwna zwiększająca nośność złącza podatnego z kształtowników korytkowych
CN113152930A (zh) * 2021-05-10 2021-07-23 王长财 一种建筑施工拱顶支撑装置及方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1920407U (de) * 1964-06-04 1965-07-29 Erdoel Ag Steinkohlenbergwerk Vorrichtung zum rauben von ausbauen.
US3797095A (en) * 1972-06-01 1974-03-19 D Benson Bearing puller
DE2254993C2 (de) 1972-11-10 1974-01-17 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Raubgabel für das Rauben unter Druck stehender Baue - insbesondere des Gleitbogenausbaues - in Grubenstrecken
DE2322658C3 (de) 1973-05-05 1978-06-29 Bergbaustahl Gmbh & Co, 5800 Hagen Vorrichtung zum Montieren und zum Rauben von Rinnenprofilen des Streckenausbaus, insbesondere im Bergbau
DE2504968C2 (de) * 1975-02-06 1983-10-20 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Tübbingerektor
DE3019314A1 (de) * 1980-05-21 1981-11-26 Müller GmbH Herne Pumpen-Maschinen-Stahlbau, 4690 Herne Raubvorrichtung fuer den streckenausbau des untertagebetriebes aus sich ueberlappenden, mit spannverbindungen zusammengehaltenen ausbauprofilsegmenten
DE3044306A1 (de) * 1980-11-25 1982-07-08 Heinrich 4350 Recklinghausen Quante Spannverbindung und darauf abgestimmtes loesegeschirr
US5170548A (en) * 1991-08-26 1992-12-15 Esaul Ramirez Trailer wheel hub pulling device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL423328A1 (pl) * 2017-10-31 2019-05-06 Przed Produkcyjno Handlowo Uslugowe Witmet Spolka Z Ograniczona Odpowiedzialnoscia Blokada przesuwna zwiększająca nośność złącza podatnego z kształtowników korytkowych
CN113152930A (zh) * 2021-05-10 2021-07-23 王长财 一种建筑施工拱顶支撑装置及方法

Also Published As

Publication number Publication date
EP2444589B1 (fr) 2013-12-18
PL2444589T3 (pl) 2014-04-30
DE102010048794A1 (de) 2012-04-26
EP2444589A3 (fr) 2013-02-13

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