EP2983845A1 - Verfahren zur festigung und kalibrierung eines rohrabschnittes - Google Patents
Verfahren zur festigung und kalibrierung eines rohrabschnittesInfo
- Publication number
- EP2983845A1 EP2983845A1 EP14716337.2A EP14716337A EP2983845A1 EP 2983845 A1 EP2983845 A1 EP 2983845A1 EP 14716337 A EP14716337 A EP 14716337A EP 2983845 A1 EP2983845 A1 EP 2983845A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- outer tube
- pipe section
- ring
- punch
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000005728 strengthening Methods 0.000 title abstract description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 9
- 239000008397 galvanized steel Substances 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims description 11
- 230000003716 rejuvenation Effects 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- E04G25/065—Shores or struts; Chocks telescopic with parts held together by positive means by a threaded nut
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/16—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially adapted methods or means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/026—Enlarging by means of mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
-
- 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
- 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 method for strengthening and calibrating a thin-walled pipe section of an outer tube of a telescopic support for the construction sector, a device for carrying out the method, a pipe section produced by the method of an outer tube of a telescopic support and a telescopic support with a thin-walled pipe section.
- telescopic supports are used for a variety of supporting tasks, such as ceiling or Einricht 100n for supporting concrete formwork
- the telescopic supports have an outer tube and an axially relative to the outer tube axially displaceable inner tube.
- Outer tube may have a thread on which the inner tube is indirectly or directly supported.
- the thread of the outer tube is usually an external thread.
- Telescopic supports have become known, for example, from DE 10 2009 054 628 AI.
- the outer tubes of the telescopic supports used are usually galvanized steel tubes. On the galvanized steel tubes, the thread can be rolled up.
- outer tubes are used with the largest possible outer diameter and low wall thickness.
- the thread is torn off during rolling up because of the small wall thicknesses of the inserted tubes and the tolerances in the roundness of the tube cross-section and, on the other hand, due to the fact that a nut screwed onto an external thread of an outer tube slips on the external thread the
- the problem can be remedied by welding a finished threaded piece onto a thread-free outer tube.
- the resulting weld can be a weak point of the
- Object of the present invention is therefore to provide a method for strengthening and calibrating at least one pipe section of a
- Outer diameter of the punch is larger than the
- step d) after step c) or simultaneously with step c)
- Step b) is carried out after step a) or simultaneously with step a).
- Steps c) and d) are carried out after steps a) and b).
- the method according to the invention can be applied to the entire pipe or a pipe section.
- the stamp can be pushed completely through the pipe.
- the stamp is only partially inserted into a pipe section and pulled out again.
- Particularly preferred is the stamp ca. Inserted 300mm into the pipe.
- the tube used in the method is thus expanded by a punch or mandrel, which is inserted from the inside into the tube.
- the pipe is preferably expanded by about 1mm, i.
- the outer diameter increases by the expansion by about 1mm.
- Microstructure change which causes a consolidation of the expanded pipe section. Furthermore, by inserting the stamp one
- the inner diameter of the pipe section is on the
- a punch In order to facilitate the insertion of the stamp, a punch can be used, which has a first bevel or rounding between its first entering the pipe front and its voltage applied to the inside of the pipe section outside.
- the extraction of the punch from the tube can be facilitated if a punch is used which has a second bevel between it on the inside of the tube portion - - has adjacent outer side and its front side opposite back.
- the insertion of the stamp is preferably carried out at room temperature, so that a cold deformation or cold forming of the expanded pipe section takes place.
- Inner diameter is smaller than the outer diameter of the
- the expanded pipe section is thereby tapered by the inside of the ring, which is pulled over the expanded pipe section. In this case, a structural change of the tapered pipe section takes place. Due to the calibrated outer diameter, an external thread can be applied to the pipe particularly well.
- Tube section is preferably carried out at room temperature, so that a cold deformation of the now tapered pipe section takes place.
- Pipe section are made, the outer diameter according to
- Carrying out the method according to the invention corresponds to the outer diameter before carrying out the method according to the invention. If the method according to the invention is carried out only on a pipe section, then a pipe with a constant outside diameter can be attached to the pipe - - Treated and untreated pipe section of the tube can be achieved. At the same time, however, the treated pipe section is solidified and its outer diameter is calibrated or the roundness is improved.
- the tolerance of the outer diameter can be improved from typically ⁇ 0.3mm to ⁇ 0.15mm.
- the process is carried out particularly easily on the pipe, since the ring is pushed onto the pipe before the insertion of the stamp and the stamp after its insertion into the pipe from the pipe
- the method thus comprises the following steps: a) pushing the ring onto the pipe;
- stamp and ring are preferably guided at a fixed distance from each other.
- a device for carrying out the method can be constructed structurally simple.
- Stamp and ring can be arranged, for example, on a common bracket.
- punch and ring may be integrally formed.
- the ring is preferably performed about 20mm in front of the stamp.
- a thread can be applied on the consolidated and calibrated pipe section.
- the thread in particular in the form of an external thread, rolled up.
- the treated pipe can be used as the outer tube of a telescopic support in the construction sector.
- On the treated pipe section is particularly preferably a thread in the form of a trapezoidal thread with a flank angle of less than 15 °, in particular 10 °, rolled. Due to the small flank angle, a very high load can be transferred to the thread.
- a tube in the form of a galvanized steel tube can be used. After carrying out the method, such a pipe has at least one treated pipe section with high stability, dimensional stability and corrosion resistance. galvanized
- Steel tubes are manufactured with standardized diameters in large quantities and can therefore be purchased inexpensively.
- threads can also be rolled up on these tubes.
- the invention thus relates to a process for the preparation of a
- Outer tube of a telescopic support for the construction sector wherein at least a pipe section of the outer tube is treated by a method described above.
- the invention further relates to a device for carrying out a method described above, with a clamping device for firmly receiving a tube, a circular cross-section punch, which can be pressed into the tube in the longitudinal direction of a clamped tube and a ring which can be pulled over the outside of the tube in the longitudinal direction of the clamped tube.
- the ring has - except for one or two end chamfers - a constant inner diameter.
- the ring is structurally simple and inexpensive to produce and also allows the production of a particularly high quality
- the stamp is preferably along with the ring along the
- the stamp is connected to the ring.
- the device is structurally particularly simple executable.
- the connection between the punch and ring is immediate and rigid.
- the invention further relates to an outer tube of a telescopic support for the construction sector, wherein the outer tube in one piece with continuous
- Outer diameter is formed and at least partially an external thread rolled up on its outer surface and / or rolled onto its inner surface internal thread, wherein the ratio of the outer diameter of the outer tube to the wall thickness of the outer tube is greater than 26.2.
- the outer tube is preferably made of galvanized steel. Galvanized steel is corrosion resistant, stable and comparatively inexpensive.
- Outer diameter of the outer tube greater than 60.3mm, ie it is suitable for loads over 30kN.
- the outer tube is characterized particularly stable and lightweight.
- the cross-sectional area of the outer tube is preferably always greater than 419 mm 2 .
- the invention relates to a telescopic support for the construction sector with a previously described outer tube and an inner tube slidably disposed therein.
- a stop element according to the invention may be provided in the region of one end of the outer tube, wherein the stop element, the free cross-sectional area of the
- Cross-sectional area is understood in the present application also an at least partial projection of the stop element in the clear cross-section of the outer tube.
- the stop element can be easily arranged on the outer tube, without requiring a
- the stop element is according to the invention Preferably attached without separate connection means 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 with the
- the Auscompré 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
- Inner tube can occur in the outer tube is further improved by the fact that the stop element has an end face, ie a frontal wall portion of 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.
- 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, the inner tube according to a development of the invention, at least one radially over its outer lateral surface laterally projecting projection on which the widened end of
- Inner tube, the stop means, is arranged axially spaced.
- the projection is preferably integral with the inner tube
- the projection is advantageously in the form of a knob or formed a bead projection and may extend in the circumferential direction of the inner tube over a preferably large circumferential angle. According to one embodiment of the invention, several
- 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 Gleitspiel- positive engagement.
- the inner tube is at the
- Inner lateral surface of the outer tube expedient manner with the one 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 preferably designed as a cap stop element has, according to a particularly preferred production engineering aspects of the invention an internal thread that in a
- External thread of the outer tube engages, 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 through the outer and inner tube feasible securing bolt can be supported.
- 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 these captive on the telescopic support
- Telescopic support the outer tube preferably over its entire axial length to a substantially constant inner diameter.
- the outer tube In the case of an at least partially widening of the outer tube by the punch, the outer tube, however, also a
- the described prop (telescopic support) has the advantage that it is easy to assemble (final assembly).
- the outer and inner tube can be edited and manufactured without additional elements and only when assembling the outer and inner tube, the lowering nut is screwed with the associated elements on the outer tube. Also, the fuse pin is attached to the outer tube prior to assembly of the inner tube with the outer tube. If the prop is assembled according to the invention, the
- Locking bolts are only used in the region of the insertion opening, provided that the stop element has an outer diameter which is greater than the inside diameter of a portion of the outer tube correspondingly shaped securing bolt.
- FIG. 1 perspective view of a fragmentary
- FIG. 2 shows a detail of a longitudinal section through one of FIG.
- FIG. 3 perspective view of the cap of Fig. 1;
- Fig. 4 is a Thomasdarsteliung the cap shown in Figure 3;
- 5 shows the individual parts of the telescopic support according to the invention prior to assembly of the inner tube with the outer tube.
- 6a is a sectional side view of an apparatus for producing the outer tube in a first position;
- FIG. 6b shows the device for producing the outer tube in a second position
- FIG. 6c shows the device for producing the outer tube in a third position
- FIG. 6d shows the device for producing the outer tube in a fourth position
- FIG. 6e shows the outer tube from FIG. 6d with a thread
- Fig. 6f is a detail of Fig. 6e.
- Fig. 1 is a generally designated 10 according to the invention
- Telescopic support for the construction sector in a selected
- the telescopic support 10 has an outer tube 12 according to the invention and an inner tube 14 arranged axially displaceably 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 at its not shown in detail in Fig. Foot end a foot plate for a safe
- a cap 22 is arranged, which serves as a stop element for the inner tube 14 and through the one axial removal or a failure of the inner tube 14 from the
- the cap 22 is formed in a manner corresponding to a cap nut and has a substantially cylindrical wall portion 24 with an internal thread 26.
- Cross-sectional area 32 of the outer tube 12 partially covered.
- the cap 22 and its internal thread 26 is in engagement with a arranged on the outer circumferential surface 34 of the outer tube 12 external thread 36.
- external thread 36 of the outer tube 12 also engages a so-called lowering nut 38, on which a handle 38 is pivotally mounted and by twisting around the
- Longitudinal axis 30 of the telescopic support 10 is axially movable on the outer tube 12 along.
- Telescopic support 10 supported by the outer and inner tube 12, 14 inserted locking bolt 40.
- the outer tube 12 has in this regard two opposing and parallel to the longitudinal axis 30 of the telescopic support 10 elongated first through-openings
- Inner tube 14 is first pulled out to a desired length of the telescopic support 10 and the safety pin 40 subsequently inserted through the first through-insertion openings 42 of the outer tube and with these each aligned second insertion openings 44 of mecanicrohrsl4.
- the inner tube 14 has a trained as a flared end stop means 48, the purpose of fail-safe of the inner tube 14 from the outer tube 12 at the cap 22 or at the angled edge region 28 can be brought to bear, provided that no further securing elements are effective.
- the inner tube 14 additionally has a plurality of knob-like projections 50, which are arranged at a distance from the stop means (flared end) 48 of the inner tube 14 and the radially over a
- the knob-like projections 50 have a function like that
- 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.
- External thread 36 of the outer tube 12 is taken and the claws in an opening 57 (see FIG. 5) in the external thread 36 of the outer tube 12.
- 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. On the inner tube 14 is already explained above
- knob-like projections 50 and the support plate 18 is secured against axial removal from the inner tube 14.
- the inner tube 14 with its flared end 48 (stopper) as far as the head end 20 of the outer tube 12 inserted 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 lug 56 with a tool in the opening 57 of
- FIG. 6a shows a sectional side view of a device 60 for carrying out a method according to the invention for producing the outer tube 12.
- the device 60 is in a first position
- the device 60 is greatly simplified and
- the outer tube 12 is in an untreated state in FIG. 6a.
- the outer tube 12 may be a galvanized steel tube with a
- Outer diameter of about 60.3mm, in particular of 71mm, 76.5mm, 83mm or 83.5mm, and a wall thickness of 2.6mm act.
- the outer tube is right in a tensioning device (not shown) of
- the outer thread 36 (see Fig. 1, 2, 5) of the outer tube 12 could not be rolled up in the state shown in Fig. 6a of the outer tube 12, since the ratio of outer diameter to wall thickness and the tolerance of the outer diameter of the outer tube thereto in the case of listed outer diameter and wall thicknesses is too large.
- Outer tube 12 is therefore in the inventive method, which in 6a-6d is shown solidified in the region of the deformation and the outer diameter calibrated, ie the tolerance of
- the device 60 has a punch 62 and a ring 64 according to FIG. 6 a.
- the punch 62 and the ring 64 are
- the lateral surface 66 of the ring 64 corresponds to the calibrated
- the ring 64 has a first rounding 68 and a second rounding 70 in order to be able to be guided better over the outer tube 12.
- Fig. 6b shows the device 60 in a second position.
- the punch 62 and the ring 64 are shifted together in this illustration to the right.
- the punch 62 is connected to the ring 64.
- the connection between the punch 62 and the ring 64 is in the
- FIGS. 6a-6d Representations of FIGS. 6a-6d not shown for reasons of clarity.
- the inner diameter of the ring 64 corresponds in
- the ring 64 can therefore be pushed onto the outer tube 12 with little effort.
- Fig. 6c shows the device 60 in a third position.
- the punch 62 is inserted under force in sections in the outer tube 12. To facilitate the insertion of the punch 62, this has a third Rounding 72 up.
- a fourth rounding 74 a slight extension of the
- the first pipe section 76 is thus somewhat longer and the wall thickness in the first pipe section 76 somewhat smaller.
- Fig. 6d shows the device 60 in a fourth position.
- the punch 62 has been moved together with the ring 64 to the left of the outer tube 12 away.
- the ring 64 was pulled under force over the expanded first pipe section 76.
- the outer diameter of the expanded first tube section 76 was thereby rejuvenated to the original outer diameter of the tube 12 as shown in FIG. 6a.
- the roundness and tolerance of the outer diameter was improved.
- the taper further causes a cold forming of the first pipe section 76. In this way, a further solidification of the first pipe section 76 is achieved.
- Tube section 76 has been enlarged, as has the length of the outer tube 12.
- FIGS. 6a-6d therefore show a complete cycle of the method described above. Such a cycle lasts about 8 seconds, with the punch 62 being introduced into the tube section 76 by about 300 mm.
- FIG. 6 e shows the outer tube 12, wherein the first tube section 76 has the external thread 36.
- the external thread 36 was rolled up onto the first pipe section 76.
- Fig. 6e is a section 78 of
- FIG. 6f shows the cutout 78 of the external thread 36 from FIG. 6e. From Fig. 6f it can be seen that the external thread 36 has a flank angle F.
- the flank angle F is 10 ° (for reasons of
- the invention relates to a method and a
- the outer tube can be made from a standardized galvanized steel tube with a large outer diameter and less
- Wall thickness can be produced.
- a pipe section of the outer tube is widened in the process with a stamp and then tapered with a ring back to the original outer diameter.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Coating With Molten Metal (AREA)
- Heat Treatment Of Articles (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Insulating Bodies (AREA)
- Supports For Pipes And Cables (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17151898T PL3199259T3 (pl) | 2013-04-12 | 2014-04-10 | Podpora teleskopowa oraz rura zewnętrzna podpory teleskopowej |
EP17151898.8A EP3199259B1 (de) | 2013-04-12 | 2014-04-10 | Teleskopstütze und Aussenrohr einer Teleskopstützet |
PL14716337T PL2983845T3 (pl) | 2013-04-12 | 2014-04-10 | Sposób umocnienia i kalibracji odcinka rurowego |
HRP20171513TT HRP20171513T1 (hr) | 2013-04-12 | 2017-10-09 | Postupak ojačavanja i kalibriranja segmenta cijevi |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013206577.9A DE102013206577A1 (de) | 2013-04-12 | 2013-04-12 | Verfahren zur Festigung und Kalibrierung eines Rohrabschnittes |
PCT/EP2014/057242 WO2014167043A1 (de) | 2013-04-12 | 2014-04-10 | Verfahren zur festigung und kalibrierung eines rohrabschnittes |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17151898.8A Division EP3199259B1 (de) | 2013-04-12 | 2014-04-10 | Teleskopstütze und Aussenrohr einer Teleskopstützet |
EP17151898.8A Division-Into EP3199259B1 (de) | 2013-04-12 | 2014-04-10 | Teleskopstütze und Aussenrohr einer Teleskopstützet |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2983845A1 true EP2983845A1 (de) | 2016-02-17 |
EP2983845B1 EP2983845B1 (de) | 2017-07-19 |
Family
ID=50473318
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17151898.8A Active EP3199259B1 (de) | 2013-04-12 | 2014-04-10 | Teleskopstütze und Aussenrohr einer Teleskopstützet |
EP14716337.2A Active EP2983845B1 (de) | 2013-04-12 | 2014-04-10 | Verfahren zur festigung und kalibrierung eines rohrabschnittes |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17151898.8A Active EP3199259B1 (de) | 2013-04-12 | 2014-04-10 | Teleskopstütze und Aussenrohr einer Teleskopstützet |
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US (1) | US10077567B2 (de) |
EP (2) | EP3199259B1 (de) |
CN (1) | CN105121052B (de) |
AR (1) | AR095857A1 (de) |
AU (1) | AU2014253135B2 (de) |
CA (1) | CA2908573C (de) |
DE (1) | DE102013206577A1 (de) |
ES (2) | ES2705598T3 (de) |
HK (1) | HK1212651A1 (de) |
HR (2) | HRP20171513T1 (de) |
HU (2) | HUE042042T2 (de) |
NO (1) | NO3075044T3 (de) |
PL (2) | PL3199259T3 (de) |
PT (2) | PT3199259T (de) |
RU (1) | RU2630102C2 (de) |
TR (1) | TR201901071T4 (de) |
WO (1) | WO2014167043A1 (de) |
Cited By (1)
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CN112466100A (zh) * | 2020-11-25 | 2021-03-09 | 湖南江南钢构工程有限公司 | 一种具有过载保护功能的装配式建筑支撑装置及其过载保护方法 |
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HK1172197A2 (en) * | 2012-06-01 | 2013-04-12 | Wls Intellectual Property Ltd | Improvements in building components and structures |
AU2016276503B2 (en) | 2015-06-10 | 2020-01-23 | Jun Zhou | Method, module and apparatus for roll-processing external pipe thread, and external pipe thread production line |
DE102016204694A1 (de) * | 2016-03-22 | 2017-09-28 | Peri Gmbh | Gerüstelement mit einem Trägerkopf und Baugerüst mit einem solchen Gerüstelement |
DE202017104918U1 (de) | 2017-08-16 | 2017-10-23 | Pfeifer Holding Gmbh & Co. Kg | Zugstab oder Druckstab mit korrosionsbeständigen Gewindeflanken |
DE202018101832U1 (de) * | 2018-04-05 | 2019-04-09 | Peri Gmbh | Stütze mit Ausfallsicherung |
DE102021202378A1 (de) | 2021-03-11 | 2022-09-15 | Peri Se | Verfahren zur Herstellung eines Innenrohres für eine Stützvorrichtung sowie Stützvorrichtung mit einem solchen Innenrohr |
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-
2013
- 2013-04-12 DE DE102013206577.9A patent/DE102013206577A1/de not_active Withdrawn
-
2014
- 2014-04-10 AU AU2014253135A patent/AU2014253135B2/en active Active
- 2014-04-10 EP EP17151898.8A patent/EP3199259B1/de active Active
- 2014-04-10 PT PT17151898T patent/PT3199259T/pt unknown
- 2014-04-10 CA CA2908573A patent/CA2908573C/en active Active
- 2014-04-10 HU HUE17151898A patent/HUE042042T2/hu unknown
- 2014-04-10 CN CN201480020803.1A patent/CN105121052B/zh active Active
- 2014-04-10 PT PT147163372T patent/PT2983845T/pt unknown
- 2014-04-10 RU RU2015148348A patent/RU2630102C2/ru active
- 2014-04-10 ES ES17151898T patent/ES2705598T3/es active Active
- 2014-04-10 PL PL17151898T patent/PL3199259T3/pl unknown
- 2014-04-10 ES ES14716337.2T patent/ES2643364T3/es active Active
- 2014-04-10 PL PL14716337T patent/PL2983845T3/pl unknown
- 2014-04-10 HU HUE14716337A patent/HUE036772T2/hu unknown
- 2014-04-10 WO PCT/EP2014/057242 patent/WO2014167043A1/de active Application Filing
- 2014-04-10 TR TR2019/01071T patent/TR201901071T4/tr unknown
- 2014-04-10 EP EP14716337.2A patent/EP2983845B1/de active Active
- 2014-04-11 AR ARP140101576A patent/AR095857A1/es active IP Right Grant
- 2014-11-26 NO NO14806179A patent/NO3075044T3/no unknown
-
2015
- 2015-10-02 US US14/873,387 patent/US10077567B2/en active Active
-
2016
- 2016-01-22 HK HK16100753.9A patent/HK1212651A1/zh unknown
-
2017
- 2017-10-09 HR HRP20171513TT patent/HRP20171513T1/hr unknown
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2019
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112466100A (zh) * | 2020-11-25 | 2021-03-09 | 湖南江南钢构工程有限公司 | 一种具有过载保护功能的装配式建筑支撑装置及其过载保护方法 |
CN112466100B (zh) * | 2020-11-25 | 2022-01-28 | 湖南江南钢构工程有限公司 | 一种具有过载保护功能的装配式建筑支撑装置及其过载保护方法 |
Also Published As
Publication number | Publication date |
---|---|
US20160024808A1 (en) | 2016-01-28 |
AU2014253135B2 (en) | 2017-02-02 |
EP3199259A1 (de) | 2017-08-02 |
NO3075044T3 (de) | 2018-03-31 |
ES2705598T3 (es) | 2019-03-26 |
DE102013206577A1 (de) | 2014-10-16 |
HK1212651A1 (zh) | 2016-06-17 |
US10077567B2 (en) | 2018-09-18 |
RU2015148348A (ru) | 2017-05-16 |
HUE036772T2 (hu) | 2018-07-30 |
AU2014253135A1 (en) | 2015-12-03 |
CN105121052B (zh) | 2018-06-12 |
PT2983845T (pt) | 2017-10-25 |
HRP20171513T1 (hr) | 2017-11-17 |
CA2908573C (en) | 2017-10-17 |
WO2014167043A1 (de) | 2014-10-16 |
PT3199259T (pt) | 2019-01-24 |
PL2983845T3 (pl) | 2017-12-29 |
CA2908573A1 (en) | 2014-10-16 |
CN105121052A (zh) | 2015-12-02 |
ES2643364T3 (es) | 2017-11-22 |
RU2630102C2 (ru) | 2017-09-05 |
PL3199259T3 (pl) | 2019-07-31 |
HUE042042T2 (hu) | 2019-06-28 |
TR201901071T4 (tr) | 2019-02-21 |
HRP20190094T1 (hr) | 2019-05-17 |
AR095857A1 (es) | 2015-11-18 |
EP3199259B1 (de) | 2018-12-26 |
EP2983845B1 (de) | 2017-07-19 |
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