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
  • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
• • 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
• • 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
  • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
  • E04G25/061—Shores or struts; Chocks telescopic with parts held together by positive means by pins
• • 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
  • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
  • E04G25/065—Shores or struts; Chocks telescopic with parts held together by positive means by a threaded nut
• • 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
  • E04G2025/042—Shores or struts; Chocks telescopic with devices to avoid accidental disengagement of the telescopic elements, e.g. during transport

Definitions

• the invention relates to a telescopic support for the construction sector, with an outer tube and with an axially displaceably arranged therein inner tube, which is secured by means of a fail-safe against removal from the outer tube, wherein the fail-safe has a arranged on the outer tube stop element, to the at least one the inner tube arranged stop means can be brought to bear.
• Such telescopic supports are used in the construction sector for a variety of supporting tasks and are beispielswiese as ceiling or Einricht 1 to
• a telescopic support for the construction sector has become known, in which the stop element by a tapered edge portion of pointing to the telescopically end of the telescopic support end of the
• Outer tube is formed.
• the outer tube has a stop element formed by a cross-section region which is tapered in this way.
• EP 0 625 622 A1 shows a telescopic support in which the abutment element is formed by a wall section of a pipe section welded onto the one end of the outer pipe with a smaller inner diameter compared to the outer pipe.
• the production of generic telescopic supports is technically complex and therefore expensive.
• the object of the invention is to improve a telescopic support of the type mentioned with simple constructive measures such that it is easier and less expensive to manufacture.
• the stop element at least partially obscures the free cross-sectional area of the outer tube. Under obscuring the cross-sectional area is in the present
• Registration also understood an at least partial projection of the stop element in the clear cross-section of the outer tube.
• the advantage associated with the invention consists essentially in the fact that the stop element can be arranged in a simple manner on the outer tube, without requiring a complex change of the inner cross section of the outer tube or a
• Fastening means attached to the outer tube and arranged in the simplest case only in a press fit on or in the outer tube.
• the stop element can also be arranged in the sense of a snap ring in a groove arranged on the outer tube or via a latching connection or a bayonet-type fastening to the outer tube.
• the stop element is connected to the outer tube and this in the region of the free end of the outer tube.
• the stop element engages in an arranged on a lateral surface of the outer tube interior and / or
• Austelmaschinen may in particular have a arranged on the stop element and einschlagbare in the thread of the outer tube locking tab.
• the stop element here an impact flap, engages in one
• the load capacity of the stop member against axial loads such as this in particular when a soiled inner tube in the
• Stop element has an end face, i. an end wall portion, the one end of the outer tube at least partially covered.
• the stop element is preferably formed according to an embodiment of the invention as a cap or as a sleeve.
• impurities such as fresh concrete
• the stop element thereby serve as a (sliding) bearing and at the same time as a stripping element for a contaminated inner tube. Is this
• Stop element designed as a cap or as a sleeve, it must be done to create a stop element on the outer tube no additional processing.
• the failsafe independent of the orientation of the inner tube in the outer tube of the stop means of the inner tube is preferably formed as a flared, for example crimped, end of the inner tube.
• the stop element can not be released from its mounted position even under high bending moments of the extended inner tube, that has Inner tube according to a development of the invention, at least one radiai ashamed over itsêtmantelfiamba laterally projecting projection, which is arranged axially spaced from the flared end of the inner tube, the stop means.
• the projection is preferably formed integrally with the inner tube and manufactured in particular via a forming process on the inner tube.
• the projection is advantageously in the form of a knob or a
• Formed bead projection may extend in the circumferential direction of the inner tube over a preferably large circumferential angle.
• a plurality of projections may be provided, which are lined up along the outer circumference of the inner tube spaced from each other and which are preferably arranged in a plane orthogonal to the longitudinal axis of the inner tube.
• the inner tube is axially guided for the purpose of improved positioning accuracy and reliable support behavior on the stop element and / or on an inner circumferential surface of the outer tube, preferably in sliding play positive engagement.
• the inner tube on the inner circumferential surface of the outer tube expedient manner with a stop means, here for example with the crimped edge of its arranged in the outer tube end, and / or out with the at least one projection.
• the trained preferably as a cap stop element has, according to a particularly preferred manufacturing aspects of the invention an internal thread which engages in an external thread of the outer tube, wherein the external thread is additionally engaged with an internal thread of a lowering nut on which a transverse to the longitudinal axis of the telescopic support can be supported by the outer and inner tube feasible securing bolt.
• the stop element can be screwed directly onto an already provided thread.
• the stop element acts at the same time in the sense of a lock nut or a stop element for the lowering nut, so that they are captive on the
• Telescopic support is arranged.
• the outer tube preferably has a in the over its entire axial length
• the prop of the invention has the advantage that it is easy to assemble (final assembly).
• the outer and inner tube can without
• the securing bolt can only be used in the region of the insertion opening, provided that the attachment has an outer diameter which is greater than the inside diameter of a portion of the outer tube
• Figure 1 is a perspective view of a fragmentary illustrated Teieskop set invention with a stopper formed as a cap.
• FIG. 2 a detail of a longitudinal section through a telescopic support corresponding to FIG. 1;
• Fig. 3 is a perspective view of the cap of Fig. 1;
• Fig. 4 is a sectional view of the cap shown in Fig. 3; and
• Fig. 5 shows the items of Teieskop basic invention before
• Fig. 1 is a generally designated 10 telescopic support for the
• Telescopic support 10 has an outer tube 12 and an inner tube 14 arranged axially displaceable therein.
• the inner tube 14 has at its in the figure above shown free end 16 a known support plate 18, while the outer tube 12 has a foot plate for secure positioning on a respective substrate at its not shown in detail in Fig. Foot end.
• a cap 22 is arranged, which serves as a stop element for the inner tube 14 and by the axial removal or a failure of the inner tube 14 is prevented from the outer tube 12.
• the cap 22 is in a manner corresponding to a cap nut manner
• the cap 22 and its internal thread 26 is in engagement with a arranged on the outer surface 34 of the outer tube 12 external thread 36.
• a so-called Absenkmutier 38 to which a handle 38 ' is pivotally mounted and which is axially movable by rotation about the longitudinal axis 30 of the telescopic support 10 on the outer tube 12 along.
• the outer tube 12 has in this respect two opposite and parallel to the longitudinal axis 30 of the telescopic support 10 elongated first through openings (slots) 42, while the inner tube 14 has a plurality of circular opposing (aligned) second through-openings 44 which along the inner tube 14 in each case regular intervals under or
• the inner tube 14 is first pulled out to a desired length of the telescopic support 10 and the locking bolt 40 subsequently inserted through the first through-insertion openings 42 of the outer tube and with these each aligned second insertion openings 44 of the inner tube 14.
• the inner tube 14 has a stop means 48 designed as a widened end, which can be brought into abutment against the cap 22 or at its angled edge region 28 for failing to secure the inner tube 14 from the outer tube 12, provided that no further securing elements are effective.
• the inner tube 14 additionally has a plurality of knob-like projections 50 which are to the stop center! (expanded end) 48 of the inner tube 14 are arranged spaced and the radially over an outer circumferential surface 34 ' of
• Inner tube 14 protrude laterally.
• the knob-like projections 50 are at
• the knob-like projections 50 have a function as the stop means 48 and limit the Teleskopierin the telescopic support.
• the internal thread 26 of the cap 22 is, as shown in FIGS. 3 and 4 is shown in more detail, designed as a flat profile and has a thread profile 54 interrupted along the thread.
• FIG. 5 shows the individual parts of the telescopic support 10 according to the invention before the inner tube 14 is joined to the outer tube 12.
• the above-explained support plate 18 is already welded, while at the foot-side end of the outer tube 12, a foot plate 58 is welded.
• the lowering nut 38 is screwed onto the external thread 36 of the outer tube 12 and the securing bolt 40 is pushed onto the threaded portion of the outer tube 2 above the lowering nut 38, while the cap 22 is pushed onto the inner tube 14 and by the knob-like projections 50 and the support plate 18 opposite an axial removal of the inner tube 14 is secured.
• the inner tube 14 with its expanded end 48 (stopper) as far as inserted at the head end 20 of the outer tube 12 axially into the outer tube 12 until at least the knob-like projections 50 come to rest within the outer tube 12.
• the cap 22 is screwed onto the external thread 36 of the outer tube 12 and the Einschlaglasche 56 taken with a tool in the opening 57 of the outer tube 12.
• the invention relates to a telescopic support 0 for the construction sector, with a
• the fail-safe means has a stop element arranged on the outer tube 12, to which at least one stop means 48 arranged on the inner tube 14 can be brought into abutment.
• the attachment element is provided in the region of one end 20 of the outer tube 12 and at least partially covers the free cross-sectional area of the outer tube 12.
• the stop element is preferably designed as a cap 22 and has an internal thread 26 which engages in an external thread 36 of the outer tube 12.
• the external thread 36 is engaged with a countersunk nut 38 on which a transverse to the longitudinal axis 30 of the
• Locking pin 40 can be supported.

Priority Applications (10)

Applications Claiming Priority (2)

Publications (1)

Family

ID=43608668

Family Applications (1)

Country Status (14)

Families Citing this family (10)

Citations (5)

Family Cites Families (13)

• 2009
  • 2009-12-14 DE DE102009054628A patent/DE102009054628A1/de not_active Withdrawn
• 2010
  • 2010-12-07 AR ARP100104514A patent/AR079315A1/es not_active Application Discontinuation
  • 2010-12-08 MX MX2012006842A patent/MX2012006842A/es active IP Right Grant
  • 2010-12-08 EP EP10795268.1A patent/EP2513391B1/de active Active
  • 2010-12-08 PL PL10795268T patent/PL2513391T3/pl unknown
  • 2010-12-08 CN CN201080056654.6A patent/CN102713107B/zh active Active
  • 2010-12-08 ES ES10795268.1T patent/ES2462266T3/es active Active
  • 2010-12-08 RU RU2012129976/03A patent/RU2526949C2/ru active
  • 2010-12-08 BR BR112012014427-8A patent/BR112012014427B1/pt not_active IP Right Cessation
  • 2010-12-08 PT PT107952681T patent/PT2513391E/pt unknown
  • 2010-12-08 SG SG2012041604A patent/SG181540A1/en unknown
  • 2010-12-08 WO PCT/EP2010/069152 patent/WO2011082927A1/de active Application Filing
• 2012
  • 2012-06-11 IL IL220301A patent/IL220301A/en active IP Right Grant
• 2014
  • 2014-03-18 HR HRP20140253AT patent/HRP20140253T1/hr unknown

Patent Citations (5)

Also Published As

Similar Documents

Legal Events