EP0828909B1 - Teleskopische vorrichtung, insbesondere spreiz- bzw. stützvorrichtung oder einspannvorrichtung - Google Patents
Teleskopische vorrichtung, insbesondere spreiz- bzw. stützvorrichtung oder einspannvorrichtung Download PDFInfo
- 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
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Images
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)
- Road Paving Machines (AREA)
- Load-Engaging Elements For Cranes (AREA)
Description
Claims (5)
- Teleskopische Vorrichtung, insbesondere Spreiz- bzw. Stützvorrichtung oder Spannvorrichtung, mit zwei ineinanderschiebbaren Stangen (5, 6), wobei die beiden Stangen (5, 6) über einen Strang relativbewegbar sind, der mit einem Ende im Bereich eines Endes der einen der Stangen angebracht und um eine Umlenkeinrichtung (1) geführt ist, die im Bereich des von diesem Ende der einen Stange abgekehrten Endes der anderen Stange an letzterer angebracht ist, wobei eine Zugeinrichtung vorgesehen ist, mit welcher auf den Strang im Sinne einer Verkürzung der Stranglänge zwischen dem an der einen der Stangen angebrachten Ende des Stranges und der Zugeinrichtung eingewirkt werden kann, dadurch gekennzeichnet, daß der Strang ein Gurt (2) und die Zugeinrichtung ein Gurtstrammer (36) ist, wobei der Gurt durch den Gurtstrammer schleifbar ist, und wobei der Gurtstrammer in einer Stellung einem von Hand durchgeführten Durchziehen des Gurts keine Behinderung entgegensetzt, und in der Lage ist, etwa mit einer hin- und hergehenden Bewegung seines Hebels ein Festzurren des Gurtes über kleine Strecken durchzuführen und dann den Gurt in dieser festgezurrten Stellung festzulegen.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Umlenkeinrichtung (1) eine mit einer steckbaren Welle (30) angebrachte Rolle (26) aufweist.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Anbringung der Rolle (1) sowie die Anbringung des einen Endes des Gurtes (2) zwischen den beiden Stangen (5, 6) vertauschbar sind.
- Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß eine mit dem Gurtstrammer (36) betätigbare Klemmeinrichtung (8) vorgesehen ist, welche die beiden Stangen (5, 6) lösbar verschiebungsfest aneinander festlegt.
- Vorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß im Bereich zwischen befestigtem Ende des Gurts (2) und Gurtstrammer (36) eine gurtlängenkompensierend wirkende Kraftmeßfeder (21) eingebaut ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19519797 | 1995-05-30 | ||
DE19519797A DE19519797A1 (de) | 1995-05-30 | 1995-05-30 | Teleskopische Vorrichtung, insbesondere Spreiz- bzw. Stützvorrichtung oder Einspannvorrichtung |
PCT/EP1996/002251 WO1996038641A1 (de) | 1995-05-30 | 1996-05-24 | Teleskopische vorrichtung, insbesondere spreiz- bzw. stützvorrichtung oder einspannvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0828909A1 EP0828909A1 (de) | 1998-03-18 |
EP0828909B1 true EP0828909B1 (de) | 2001-09-12 |
Family
ID=7763212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96918631A Expired - Lifetime EP0828909B1 (de) | 1995-05-30 | 1996-05-24 | Teleskopische vorrichtung, insbesondere spreiz- bzw. stützvorrichtung oder einspannvorrichtung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0828909B1 (de) |
AT (1) | ATE205569T1 (de) |
AU (1) | AU6122996A (de) |
DE (2) | DE19519797A1 (de) |
WO (1) | WO1996038641A1 (de) |
Families Citing this family (2)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE262915C (de) * | ||||
GB233035A (en) * | 1924-01-30 | 1925-04-30 | Thomas Sloper | Improvements in or relating to telescopic masts and the like |
BE464040A (de) * | 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 | Hebebock (energiefrei) |
-
1995
- 1995-05-30 DE DE19519797A patent/DE19519797A1/de not_active Ceased
-
1996
- 1996-05-24 DE DE59607685T patent/DE59607685D1/de not_active Expired - Fee Related
- 1996-05-24 EP EP96918631A patent/EP0828909B1/de not_active Expired - Lifetime
- 1996-05-24 AT AT96918631T patent/ATE205569T1/de not_active IP Right Cessation
- 1996-05-24 AU AU61229/96A patent/AU6122996A/en not_active Abandoned
- 1996-05-24 WO PCT/EP1996/002251 patent/WO1996038641A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE59607685D1 (de) | 2001-10-18 |
DE19519797A1 (de) | 1996-12-05 |
EP0828909A1 (de) | 1998-03-18 |
ATE205569T1 (de) | 2001-09-15 |
WO1996038641A1 (de) | 1996-12-05 |
AU6122996A (en) | 1996-12-18 |
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