EP0023619A1 - Dispositif de serrage en deux parties - Google Patents

Dispositif de serrage en deux parties Download PDF

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Publication number
EP0023619A1
EP0023619A1 EP80104082A EP80104082A EP0023619A1 EP 0023619 A1 EP0023619 A1 EP 0023619A1 EP 80104082 A EP80104082 A EP 80104082A EP 80104082 A EP80104082 A EP 80104082A EP 0023619 A1 EP0023619 A1 EP 0023619A1
Authority
EP
European Patent Office
Prior art keywords
clamp
parts
clamping connection
side lining
part clamping
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
EP80104082A
Other languages
German (de)
English (en)
Other versions
EP0023619B1 (fr
Inventor
Hans Werner Dr Dipl.-Volkswirt Vom Felde
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.)
Hoesch AG
Original Assignee
Hoesch 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 Hoesch AG filed Critical Hoesch AG
Priority to AT80104082T priority Critical patent/ATE9831T1/de
Publication of EP0023619A1 publication Critical patent/EP0023619A1/fr
Application granted granted Critical
Publication of EP0023619B1 publication Critical patent/EP0023619B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure

Definitions

  • the invention relates to a multi-part clamping connection for the mutually supporting ends of channel profiles of pit support frames which are supported one on the other, which comprises a half-clamp that engages under the track-side expansion profile and abuts against its flanges and a tab that bridges the butt-side expansion profile, the half-clamp and the tab consisting of the shafts are penetrated by fastening screws, on the ends of which clamping nuts are screwed, which are supported on the sides of the bottle of the half-clamp facing away from the butt-side expansion profile.
  • a multi-part clamping connection of the aforementioned type is known, for example, from DE-PS 25 47 407.
  • Two clamping connections are provided at an overlap point, which are arranged at a distance from one another.
  • the segments of multi-part expansion frames made of channel profiles are under very high tension in the overlap areas due to the insertion etc. These voltages must be absorbed by the connections.
  • the segments of such expansion arches must e.g. in the transitional area strut / stretch or when unscrewing the arches.
  • the clamping connection that the front of the is assigned to the butt-side expansion profile is under high tension, while the tensioning connection assigned to the end face of the track-side profile is subjected to less stress because the profiles are supported on one another at the point where the latter connection is located.
  • the profiles at the point where the first-mentioned connection is located tend to stand out from one another. Therefore, when the connections are removed, the connections assigned to the end face of the track-side profile are first released. This can be done safely.
  • a robbery device which has a two-part Has robber fork, which is pivotally mounted in a traverse.
  • a hydraulic cylinder with a bayonet lock can be used in the traverse.
  • the tensioning connection is released, the robbery fork is placed on the tab of the tensioning connection, while the piston of the hydraulic cylinder is supported on the route side on the half-clamp of the connection.
  • the clamping connection is relieved, so that the nuts can be safely removed from the screws.
  • this known robbery device has the disadvantage that the robbery fork cannot be easily placed on the butt-side flap if warping material and rock pressed into the track do not allow this.
  • the robbery device has a comparatively high weight and the application of hydraulic pressure to the cylinder requires a relatively long time, so that its handling is difficult, which often leads to the robbery fork not being used, but this is associated with considerable dangers.
  • the invention has for its object to improve a multi-part clamping connection of the type mentioned in such a way that this enables a safe release of the clamping connection without the use of special aids.
  • this is achieved in that at least the half clamp is designed to be divided, which is assigned to the end face of the butt profile and the parts are releasably connected to one another in the areas of their division.
  • the tabs of both connections can be divided.
  • the screws of the connection which is assigned to the end face of the track-side profile, can be loosened safely, a division can be dispensed with in this connection.
  • This configuration ensures that the parts of the half-clamp gap after the connection between them is loosened under the effect of the tension between the mutually lying ends of the track-side and butt-side expansion profile, the hook-head screws pivoting and the parts of the half-clip sliding upwards on the track-side expansion profile, whereby a not inconsiderable braking effect is achieved by the shape of the parts and, if applicable, their abutment (warping, rock).
  • the junction of the two parts of the half-clamp is easily accessible, so that it can be loosened without being hindered by rocks or warpage.
  • a special robbery device is no longer required, but only a tool to release the connection of the two half-clamp parts, which can be carried out in a simple manner.
  • the half-clamp is advantageously divided in half, so that both parts are identical and can be produced with the same tool.
  • the subdivision is located in the central area of the floor of the track-side expansion profile, which is easily accessible.
  • the parts of the half clamp in the areas of their division have mutually associated, stepped division surfaces which engage in one another in a form-fitting manner.
  • This design results in a positive connection in any direction, so that the fastening means are not or only slightly stressed on shear.
  • the parts of the half clamp are equipped in the areas of their division with protruding, mutually assigned approaches, which are used to attach the fastener or fasteners.
  • the lugs can be flange-shaped and can be provided with through openings aligned with one another, into which one or more fastening means connecting the parts of the half clamp are inserted.
  • fastening means, etc. may be used which, if necessary o by cotter pins, snap rings, etc., may be secured in this embodiment roll pins, bolts, eye bolts.
  • it is also possible to approach the two To shape parts so that they form a columnar or tubular body. At their lower edges, these have beads which complement one another to form a closed ring and are surrounded by one or more fastening means, for example in the form of clamp-like rings, etc.
  • the fasteners can be released from the secured area by pressing, pulling, blowing up, etc. the fasteners.
  • the tab which causes the hook screws to be carried has an approximately eyeglass-shaped outline, the two outer parts of which are arranged in a plane parallel to the plane of the central part, the recesses of the Zasche support surfaces for the hook head screws being provided in the center longitudinal axis of the recesses in the edge regions of the tabs merge into the edges of the recesses.
  • This design of the tabs entails that after loosening the fasteners of the two parts of the half-clamp the hook-head screws can perform a pivoting movement, the free ends of their heads pushing further into the inner profile and their ends provided with the screws being opened both parts of the half clamp swing away from the expansion profiles.
  • the expansion profile facing the mountains is referred to as the impact-side expansion profile 1 and lies in the overlap expansion-side expansion profile 2.
  • the two profiles are congruent and are supported in the area near the ground and on the webs generally designated 3 and 4 from each other. At their ends, the webs 3, 4 merge into the flanges 5 and 6.
  • the profiles are connected using the two clamping connections A and B.
  • the tension connection A is assigned to the end face 7 of the butt-side expansion profile 1, while the tension connection B is assigned to the end face 8 of the track-side profile 2.
  • the tensioning connection A has a half-clamp 9, which engages under the track-side expansion profile 2, and a tab 10 bridging the butt-side expansion profile 1.
  • Half-clamps 9 and tab 10 are penetrated by the shafts of the fastening screws 11, which are designed as hook-head screws.
  • Clamping nuts 12 are screwed onto the ends of the fastening screws 11, which are supported on the sides of the flanges 13 of the half-clamp 9 facing away from the butt-side expansion profile 1.
  • the flanges 13 of the half-clamp 9 rest on the undersides of the flanges 6 of the track-side expansion profile 2.
  • the bottles 13 of the half-clamp 9 and the outer areas of the tab 10 are provided with through openings through which the fastening screws 11 pass.
  • two drivers 14 are forged onto the half clamp 9 'and extend on the end face 8 of the side expansion profile 2.
  • the effect of the drivers 14 of the half clamp 9 'of the clamping connection B corresponds to that of the driver 15 of the tab 10 of the clamping connection A, which bears against the end face 7 of the expansion profile 1 on the impact side.
  • connection consisting of the two clamping connections A, B is known per se from DE-PS 25 47 407, to which reference is made to avoid repetition.
  • connection according to the invention can be seen from FIGS. 3 to 9. Thereafter, the half-clamp 9 is formed divided, exactly half, so that the two identical parts 16 result. In the area of their dividing surface 17, the parts 16 are provided with a step 18, which results in a positive connection in each direction of the half-clamp 9. The step 18 does not have to run in a straight line so that identical half-clamp halves are provided.
  • the parts 16 of the half clamp 9 are equipped in the areas of their division 17 with projecting, mutually associated lugs 19, which serve to connect the two parts 16 to one another.
  • Lugs 19 are flange-like and are provided with aligned through openings 20 into which a fastener connecting the parts 16 is inserted, for example an eye bolt, which is not shown in detail.
  • the projecting lugs 19 are shaped such that they form a columnar or tubular body, the cross section of which is approximately rectangular in the illustrated embodiment. At their lower edges, the lugs 19 have beads which complement one another to form a closed ring 21.
  • the lugs 19 are from a fastener, not shown, e.g. a clamp-shaped ring or the like., Gripped so that the two parts 16 of the half-clamp 9 are connected to each other.
  • FIG. 10 and 11 show the structure of the tab 10, which has an approximately eyeglass-shaped outline, so that a central bow-shaped section 22 can be distinguished from the two adjacent outer areas 23, 24.
  • the bow-shaped section 22 lies in the main plane of the tab 10, while the outer regions 23, 24 are arranged in a plane parallel to the plane of the bow-shaped section 22, as can be seen in FIG. 11.
  • recesses 25, 26 are provided, which are penetrated by the shafts and head regions of the fastening screws 11.
  • support surfaces 27 are provided for the fastening screws, which in the central longitudinal axis 28 of the recesses 25, 26 in the outer regions 23, 24 of the tab merge into the edges of the recesses 25, 26, ie run with them.
  • This configuration of the support surfaces 27 gives the possibility of a pivoting movement for the fastening screws 11, as is explained in detail below with reference to FIG. 12.
  • the tension connection A gapes apart and assumes the position shown in FIG.
  • the fastening screws 11 perform a pivoting movement, the hook-shaped parts of which move further into the interior of the stub-side expansion profile 1, while the ends of the fastening screws 11 are pivoted away from the expansion profiles 1.
  • the nested ends of the expansion profiles 1, 2 stand out from one another while reducing their tension, so that there is a space between them.
  • clamping connection A according to the invention can be brought to the surface in the divided state, where it can be prepared for a new use underground if necessary after checking and disassembling the individual parts.
  • the fastening means can be released from a secured field, it being possible to connect the two parts 16 with a collecting basket, net or the like. Equip so that a bolt or the like thrown out under the tension of the nested ends of the expansion profiles, for example after loosening. can be caught.

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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)
  • Clamps And Clips (AREA)
EP80104082A 1979-08-03 1980-07-15 Dispositif de serrage en deux parties Expired EP0023619B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80104082T ATE9831T1 (de) 1979-08-03 1980-07-15 Spannverbindungspaar.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2931502 1979-08-03
DE2931502A DE2931502C2 (de) 1979-08-03 1979-08-03 Mehrteilige Spannverbindung für rinnenförmige Streckenausbauprofile

Publications (2)

Publication Number Publication Date
EP0023619A1 true EP0023619A1 (fr) 1981-02-11
EP0023619B1 EP0023619B1 (fr) 1984-10-10

Family

ID=6077532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80104082A Expired EP0023619B1 (fr) 1979-08-03 1980-07-15 Dispositif de serrage en deux parties

Country Status (3)

Country Link
EP (1) EP0023619B1 (fr)
AT (1) ATE9831T1 (fr)
DE (1) DE2931502C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141159A (en) * 1983-06-03 1984-12-12 Kloeckner Werke Ag Device for connecting adjacent segments of tunnel-wall support arches in underground tunnels

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19507623C2 (de) * 1995-03-04 1997-04-30 Krupp Ag Hoesch Krupp Spannverbindung zum nachgiebigen Verspannen von Grubenausbaurahmen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816715A1 (de) * 1968-03-21 1969-10-16 Russ Chamberlin Inc Reifeninspektionsvorrichtung
DE2501281B1 (de) * 1975-01-15 1976-10-07 Nachgiebiger streckenausbaubogen aus stahlprofilsegmenten
DE7908369U1 (de) * 1979-03-24 1979-06-28 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Aufhaengevorrichtung fuer die haengende anbringung bzw. verlegung von bergbauzubehoer in gruben- oder tunnelstrecken

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955583C (de) * 1942-07-07 1957-01-03 Bochumer Eisen Heintzmann Verbindung fuer den Gleitbogenausbau von Grubenstrecken, insbesondere fuer geflanschte Rinenprofile
DE2515166C2 (de) * 1975-04-08 1977-05-18 Bergbaustahl Gmbh & Co Spannverbindung fuer ineinander liegende enden bodenabgestuetzter rinnenprofile von grubenausbaurahmen
DE2547407C3 (de) * 1975-10-23 1978-09-14 Bergbaustahl Gmbh & Co, 5800 Hagen Spannverbindung für die ineinanderliegenden Enden bodenabgestützter Rinnenprofile von Grubenausbaurahmen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816715A1 (de) * 1968-03-21 1969-10-16 Russ Chamberlin Inc Reifeninspektionsvorrichtung
DE2501281B1 (de) * 1975-01-15 1976-10-07 Nachgiebiger streckenausbaubogen aus stahlprofilsegmenten
DE7908369U1 (de) * 1979-03-24 1979-06-28 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Aufhaengevorrichtung fuer die haengende anbringung bzw. verlegung von bergbauzubehoer in gruben- oder tunnelstrecken

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141159A (en) * 1983-06-03 1984-12-12 Kloeckner Werke Ag Device for connecting adjacent segments of tunnel-wall support arches in underground tunnels

Also Published As

Publication number Publication date
EP0023619B1 (fr) 1984-10-10
DE2931502B1 (de) 1981-02-12
ATE9831T1 (de) 1984-10-15
DE2931502C2 (de) 1981-10-22

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