EP0828909B1 - Dispositif telescopique, notamment un ecarteur, un support ou un dispositif de serrage - Google Patents

Dispositif telescopique, notamment un ecarteur, un support ou un dispositif de serrage Download PDF

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Publication number
EP0828909B1
EP0828909B1 EP96918631A EP96918631A EP0828909B1 EP 0828909 B1 EP0828909 B1 EP 0828909B1 EP 96918631 A EP96918631 A EP 96918631A EP 96918631 A EP96918631 A EP 96918631A EP 0828909 B1 EP0828909 B1 EP 0828909B1
Authority
EP
European Patent Office
Prior art keywords
belt
rods
cord
rod
attached
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 - Lifetime
Application number
EP96918631A
Other languages
German (de)
English (en)
Other versions
EP0828909A1 (fr
Inventor
Willi Neuhaus
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.)
NTT Neuhaus Trans Tech GmbH
Original Assignee
NTT Neuhaus Trans Tech 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 NTT Neuhaus Trans Tech GmbH filed Critical NTT Neuhaus Trans Tech GmbH
Publication of EP0828909A1 publication Critical patent/EP0828909A1/fr
Application granted granted Critical
Publication of EP0828909B1 publication Critical patent/EP0828909B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/08—Shores or struts; Chocks telescopic with parts held relatively to each other by friction or gripping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/068—Arrangements for positively actuating jaws with at least one jaw sliding along a bar
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
    • E04H12/182—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic telescopic

Definitions

  • the invention relates to a telescopic device, in particular spreading or supporting device or clamping device according to the preamble of claim 1.
  • a device of this kind is known from GB-A-594387.
  • a similar device is also known from US-A-3373473 and US-A-5101215.
  • This known device has the disadvantage that the Telescopic movement of two rods only over one relative lengthy cranking process can be achieved.
  • the object of the invention is a device of type mentioned at the outset, in particular with a view to lightweight designs, to be designed so that the achievement of the telescopic movement is simplified.
  • a device is here under belt tensioner understand which belt can be sanded and which a manual pulling of the belt in one Position of the belt tensioner does not oppose a disability, but which is able, for example with a back and forth Movement of a lever lashing the strap over carry out small stretches and then strap in this lashed down position.
  • Fig. 1 shows a telescopic device with a formed as a tube outer rod 5 and one in this inserted inner rod, also designed as a tube 6.
  • a belt 2 on the outer Rod fastened with the strap inside the outer Rod 5 extends to a deflection device 1, the one on inner or lower end of the inner rod 6 attached deflection roller 26, up again in the direction free end of the outer rod 5 and from there through a belt tensioner 36 out.
  • the belt tensioner 36 can be of conventional design, for example a ratchet tight. This one Drum with a slot containing the drum axis 13 in which the belt can be inserted. In one position the belt pretensioner lever 7, the belt can be considerable Lengths are pulled by hand through the slot, with which the illustrated embodiment, the inner rod 6 in appropriate length lifted out of the outer rod 5 becomes. In the example shown, a pulley effect occurs from 1: 2 on, which also means reducing the for the manual pull on the belt required force acts. As soon as the end position has been reached or almost reached, for example under a formwork to be supported, with a ratchet movement of lever 7 is activated, whereby the belt, as shown in Fig. 1, on itself is clamped and over a short distance to the Generation of the required contact pressure can be lashed down. After reaching the end position by folding the lever 7 of the belt in this position locked.
  • a box 29 takes up excess belt length.
  • Belt can be rolled up with a spring mechanism.
  • the deflection roller 26 is in this embodiment, as seen in comparison with Fig. 2, by means of a removable Axle journal 30 from the inner rod to the outer rod changeable. If at the same time the attachment of the attached End 20 of the belt 2 on the inner rod 6 instead of the outer rod 5 is made, the subject is suitable Device for clamping objects, because then, under the effect of a belt tension, the two telescopic parts 5 and 6 are moved against each other.
  • the shaft 27 is in one by means of a spring cam 31 Slit of the inner rod 6 is fixed and can against the Pull out the resistance of this spring cam with the deflection roller become.
  • An equal clamping effect between the foot of the outer Rod 5 and the foot of the inner rod 6 can be achieved when the inner rod goes through the outer rod is pushed through (as seen in FIG. 2) and thereby opposite the outer rod as in the combined one 2 and 2a.
  • the belt is natural (as in Fig. 1) Hang on the outer rod.
  • the outer rod also has a foot part 4 made of rigid Plates on that on elastic support body 3 can rest on a floor.
  • Fig. 3 shows an embodiment in which the Belt tensioner 36 with a clamping device 8 with wedges 14 and 15 cooperates in the closed position of the belt tensioner (Lever 7 towards the vertical position) from Belt tensioners are free and under spring load between themselves wedge inner and outer rods 6 and 5 and so cause the two rods to be fixed in position, which is independent of the belt holding forces. The belt could then in principle be severed without this from Influence on the relative position of the two rods 5 and 6 is.
  • lever 7 If lever 7 is flipped from this closed position, a corresponding nose 70 of this lever lifts the wedges 14 and 15 from their clamping position, so that the two Bars 5 and 6 are so far free in their relative movement.
  • the belt length compensating force measuring device 21 acts here between the deflection part 1 and the inner rod 6.
  • Fig. 4 shows the clamping device 8 of Fig. 3 in the release position.
  • Fig. 6 shows a possible embodiment for the Parts 15 or 14 and 10. They work according to this embodiment with corresponding inclined surfaces only against complementary ones Sloping surfaces in the corner area of the cross section of the inner Rod 6. By the wedge-shaped system caused thereby between these parts and the rod 6 is reinforced Clamping effect achieved.
  • FIG. 7 shows the Device for the most common use case, namely the spreading operation
  • Fig. 8 shows an embodiment for clamping operation and a modification to it (attachment and deflection of the belt as in Fig. 2 or Fig. 2a)
  • Fig. 9 a two-strand Arrangement for the clamping operation according to Fig. 8th.
  • rod is in its description for this description to understand the most general form. Parts 5 and 6 must can only be pushed into each other, but do not have to be rounded or have a circular cross section and can in principle also be complex in itself. Are preferred Rectangular tubes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)
  • Buckles (AREA)
  • Arc Welding In General (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Road Paving Machines (AREA)

Claims (5)

  1. Dispositif télescopique, notamment dispositif d'écartement ou de support ou dispositif de serrage, comprenant deux tiges (5, 6) pouvant coulisser l'une dans l'autre, les deux tiges (5, 6) étant déplaçables luné par rapport à l'autre au moyen d'une corde, qui est fixée par une extrémité dans la zone d'une extrémité d'une première des tiges et qui est guidée autour d'un mécanisme de changement de direction (1) disposé sur l'autre tige dans la zone d'extrémité de cette dernière opposée à ladite extrémité de ladite première tige, un mécanisme de traction étant prévu, par lequel on peut agir sur la corde dans le sens d'un raccourcissement de la longueur de la corde entre l'extrémité de la corde disposée sur ladite première tige et le mécanisme de traction, caractérisé en ce que la corde est une sangle (2) et le mécanisme de traction est un tendeur de sangle (36), la sangle pouvant être tirée à travers le tendeur de sangle, et le tendeur de sangle, dans une configuration, ne s'opposant pas à un passage de la sangle effectué à la main, et étant apte, par exemple par un déplacement en va-et-vient de son levier, à effectuer un serrage de la sangle par petites distances et à fixer ensuite la sangle dans cette position serrée.
  2. Dispositif télescopique suivant la revendication 1, caractérisé en ce que le mécanisme de changement de direction (1) comprend un rouleau (26) fixé par un arbre (30) pouvant être enfiché.
  3. Dispositif télescopique suivant la revendication 2, caractérisé en ce que la fixation du rouleau (1) ainsi que la fixation de ladite extrémité de la sangle (2) peut être intervertie entre les deux tiges (5, 6).
  4. Dispositif télescopique suivant l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu un mécanisme de serrage (8) pouvant être actionné par le tendeur de sangle (36), mécanisme qui fixe les deux tiges (5, 6) l'une à l'autre de façon libérable et fixe en coulissement.
  5. Dispositif télescopique suivant l'une quelconque des revendications précédentes, caractérisé en ce qu'un ressort de mesure de force (21) est monté dans la zone située entre l'extrémité fixée de la sangle (2) et le tendeur de sangle (36), ressort qui agit de façon à compenser la longueur de la sangle.
EP96918631A 1995-05-30 1996-05-24 Dispositif telescopique, notamment un ecarteur, un support ou un dispositif de serrage Expired - Lifetime EP0828909B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19519797A DE19519797A1 (de) 1995-05-30 1995-05-30 Teleskopische Vorrichtung, insbesondere Spreiz- bzw. Stützvorrichtung oder Einspannvorrichtung
DE19519797 1995-05-30
PCT/EP1996/002251 WO1996038641A1 (fr) 1995-05-30 1996-05-24 Dispositif telescopique, notamment un ecarteur, un support ou un dispositif de serrage

Publications (2)

Publication Number Publication Date
EP0828909A1 EP0828909A1 (fr) 1998-03-18
EP0828909B1 true EP0828909B1 (fr) 2001-09-12

Family

ID=7763212

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96918631A Expired - Lifetime EP0828909B1 (fr) 1995-05-30 1996-05-24 Dispositif telescopique, notamment un ecarteur, un support ou un dispositif de serrage

Country Status (5)

Country Link
EP (1) EP0828909B1 (fr)
AT (1) ATE205569T1 (fr)
AU (1) AU6122996A (fr)
DE (2) DE19519797A1 (fr)
WO (1) WO1996038641A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10131861A1 (de) * 2001-06-30 2003-01-16 Guenter Noeleken Hub-, Spann-, oder Pressvorrichtung
GB0405687D0 (en) * 2004-03-14 2004-04-21 Weltron Ltd Clamps

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE262915C (fr) *
GB233035A (en) * 1924-01-30 1925-04-30 Thomas Sloper Improvements in or relating to telescopic masts and the like
BE464040A (fr) * 1944-07-04
US2599010A (en) * 1949-09-09 1952-06-03 Pernitz Kalman Rotatably supported adjustable painter's work holder
DE1228392B (de) * 1956-06-16 1966-11-10 Kloeckner Humboldt Deutz Ag Keilverspannung fuer die einzelnen Teile teleskopartig ausziehbarer Einrichtungen, wie z. B. Rohrmaste
US5101215A (en) * 1985-05-10 1992-03-31 Chu Associates, Inc. Telescoping lightweight antenna tower assembly and the like
DE4313432A1 (de) * 1992-12-24 1994-08-25 Schmidt Heinz Vertikalhubachse für Transporter
DE9419669U1 (de) * 1994-12-08 1995-03-02 Breit, Eugen, 54441 Wawern Hebebock (energiefrei)

Also Published As

Publication number Publication date
DE59607685D1 (de) 2001-10-18
EP0828909A1 (fr) 1998-03-18
AU6122996A (en) 1996-12-18
WO1996038641A1 (fr) 1996-12-05
ATE205569T1 (de) 2001-09-15
DE19519797A1 (de) 1996-12-05

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