DE333003C - Resilient pit punch made of two tubes that can be pushed into one another and held together by clamping straps - Google Patents

Resilient pit punch made of two tubes that can be pushed into one another and held together by clamping straps

Info

Publication number
DE333003C
DE333003C DENDAT333003D DE333003DD DE333003C DE 333003 C DE333003 C DE 333003C DE NDAT333003 D DENDAT333003 D DE NDAT333003D DE 333003D D DE333003D D DE 333003DD DE 333003 C DE333003 C DE 333003C
Authority
DE
Germany
Prior art keywords
tubes
pushed
held together
another
clamping straps
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
DENDAT333003D
Other languages
German (de)
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.)
F W MOLL SOEHNE DAMPFKESSEL UN
Original Assignee
F W MOLL SOEHNE DAMPFKESSEL UN
Publication date
Application granted granted Critical
Publication of DE333003C publication Critical patent/DE333003C/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism
    • E21D15/26—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism with screw, worm, or the like, not self-locking but normally prevented from rotation by friction members which slip upon excessive pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Description

Nachgiebiger Grubenstempel aus zwei ineinanderschiebbaren und _ durch Klemmbänder zusammengehaltenen Rohren. _ Die Erfindung betrifft einen nachgiebigen Grubenstempel aus zwei ineinanderschiebbaren und durch Klemmbänder zusammengehaltenen Rohren. Das Neue besteht darin, daß in den nach steilen Schraubenlinien verlaufenden beiden Schlitzen am oberen Ende des unteren Rohres die hervorstehenden Enden des durch Löcher des oberen Rohres gesteckten Keiles geführt sind.Resilient pit punch made of two nested and _ through Clamping straps held together pipes. _ The invention relates to a compliant one Pit punch made of two nested and held together by clamping bands Pipes. The new thing is that in the steep helical lines the protruding ends of the two slots at the top of the lower tube are passed through holes in the upper tube inserted wedge.

Hierdurch wird erreicht, daß das obere Rohr sich dreht, wenn es sich in das untere Rohr hineinschiebt, wobei nicht nur die Reibung zwischen den `'Wandungen der beiden Rohre, sondern auch die der hervorstehenden Enden des durchgesteckten Keiles in den Schlitzen und die des oberen Schuhes auf dem Quetschholz überwunden werden muß.This ensures that the upper tube rotates when it rotates into the lower tube, not only reducing the friction between the '' walls of the two tubes, but also those of the protruding ends of the push-through Wedge in the slots and those of the upper shoe on the pinch wood must become.

In der Zeichnung i;-t ein Ausführungsbeispiel der Erfindung in zwei zueinander senkrechten Langschnitten und einem Querschnitt darge-.stelIt.In the drawing i; -t an embodiment of the invention in two Long sections perpendicular to each other and a cross-section shown.

Das untere Rohr a ist am oberen Ende- in gewisser Länge durch zwei Einschnitte d', d in steilen Schraubenlinien geschlitzt, und seine Wandung ist in die :Tuten f , f der beiden Schellenbänder e, e mit Rillen eingewalzt. An-Sätze g, " an je einem Ende der beiden Schellenbänder e, e lassen Spalten li, h für den Anzug der Sch2auben i, i frei in Übereinstimmung mit den im oberen Teil senkrecht zerlaufenden Schlitzen d, d. Das obere Rohr k ist in das untere Rohr a gesteckt und durch die Schellenbänder e, e festgeklemmt. Es ist mit den beiden Keillöchern 1, 1 für einen Keil -in versehen, dessen hervorstehende Enden in den Schlitzen r1, d des unteren Rohres a geführt sind.The upper end of the lower tube a is slit to a certain length by two incisions d ', d in steep helical lines, and its wall is rolled into the grooves f, f of the two clamp bands e, e. An-sentences g, "at each end of the two clamp straps e, e leave gaps li, h free for the tightening of the screws i, i in correspondence with the slits d, d, which run vertically in the upper part. The upper tube k is in the lower tube a is inserted and clamped by the clamp straps e, E. It is provided with the two wedge holes 1, 1 for a wedge -in, the protruding ends of which are guided in the slots r1, d of the lower tube a.

Claims (2)

PATFNT-ANSPRÜc73E: i. Nachgiebiger Grubenstempel aus zwei ineinanderschiebbaren und durch Klemmbänder zusammengehaltenen Rohren, dadurch Qekennzeichnet, daß in den nach ° steilen Schraubenlinien verlaufenden beiden Schlitzen (d, d) am oberen Ende des unteren Rohres (a). die hervorstehenden Enden des durch Löcher (1) des oberen Rohres (k) gesteckten Keiles (in) geführt seid. PATFNT CLAIMS: i. Resilient pit punch made of two tubes which can be pushed into one another and are held together by clamping straps, characterized in that in the two slots (d, d) at the upper end of the lower tube (a) running in the steep helical lines. the protruding ends of the wedge (in) inserted through holes (1) in the upper tube (k). 2. Grubenstempel nach Anspruch i; dadurch gekennzeichnet, daß die Schellenbänder (e, e) an ausgewalzten Rillen (f. f) am unteren Rohr (a) gehalten sind.2. Pit punch according to claim i; characterized in that the clamp straps (e, e) are held on rolled-out grooves (f. f) on the lower tube (a).
DENDAT333003D Resilient pit punch made of two tubes that can be pushed into one another and held together by clamping straps Expired DE333003C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE333003T

Publications (1)

Publication Number Publication Date
DE333003C true DE333003C (en) 1921-02-12

Family

ID=6206992

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT333003D Expired DE333003C (en) Resilient pit punch made of two tubes that can be pushed into one another and held together by clamping straps

Country Status (1)

Country Link
DE (1) DE333003C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE927146C (en) * 1951-12-23 1955-05-02 Eisen & Stahlind Ag Pit stamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE927146C (en) * 1951-12-23 1955-05-02 Eisen & Stahlind Ag Pit stamp

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