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WO1998012440A1 - Tube composite cylindrique - Google Patents

Tube composite cylindrique Download PDF

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Publication number
WO1998012440A1
WO1998012440A1 PCT/EP1997/003181 EP9703181W WO9812440A1 WO 1998012440 A1 WO1998012440 A1 WO 1998012440A1 EP 9703181 W EP9703181 W EP 9703181W WO 9812440 A1 WO9812440 A1 WO 9812440A1
Authority
WO
WIPO (PCT)
Prior art keywords
composite pipe
gap
pipe according
tube
elements
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.)
Ceased
Application number
PCT/EP1997/003181
Other languages
German (de)
English (en)
Inventor
Udo Schmalfuss
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.)
INTUS MASCHINEN GmbH
Original Assignee
INTUS MASCHINEN 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 INTUS MASCHINEN GmbH filed Critical INTUS MASCHINEN GmbH
Priority to AU32605/97A priority Critical patent/AU3260597A/en
Publication of WO1998012440A1 publication Critical patent/WO1998012440A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor

Definitions

  • the present invention relates to a composite tube, in particular roller tube, consisting of an outer tube and at least one inner tube, which is arranged coaxially to one another and at least one gap is formed between them
  • the machine component roller is widespread and installed in almost all machines. It is supported on both sides. If the roller is driven, the drive is arranged externally. This drive consists of a motoi, clutch and often a gear.
  • roller tubes are mainly made of metallic materials. These are steel and aluminum. Chemical materials are used for certain applications. Carbon fibers and glass fibers, in conjunction with synthetic resins, are processed into commercially available pipes. Rollers are made from them.
  • the present invention has for its object to provide a composite tube, especially roller tube, which the above. Disadvantages eliminated and with which a universal use is possible.
  • optimization, in particular of a roller tube, with a large reduction in its mass should be made possible.
  • the controllability is to be improved in short time intervals in order to reduce the control expenditure and the use of energy.
  • the dimensional stability should also be maintained or improved when the mass is reduced and the speeds are increased, and vibrations are reduced.
  • At least one element is inserted in the gap.
  • a roller tube fulfills several tasks. Each of these tasks must be re-evaluated in every application. Dead weight, external loads, bearing spacing, surface stress, wrapping material and transmission. Torques are only keywords for extensive considerations, evaluations and factual decisions.
  • roller made of steel material covers this entire spectrum of possibilities. In terms of construction, it is designed as a full steel tube or cast component. With the industrial use of aluminum, rollers were also made from this material. That was not enough. The task was tackled again with chemical materials and composite materials made from fibers and synthetic resins were developed. This path is that of using high-quality raw materials. In aircraft and vehicle construction, which has always placed special demands on the dead weight of the components, consistent developments have resulted in products that have ⁇ ic rough weights with excellent! Linking stability In this direction, the conditions according to the invention went
  • Figures 2b and 2c show the honeycomb structure of a lightweight panel cover sheets less than 1 mm thick and honeycomb sheets less than 0.1 mm thick, glued together create a floatable component
  • Figures 2b, 2c and 15 identify the cover sheet, the honeycomb sheets and the base sheet. The components are glued together
  • Figure 1 outlines the basic idea of inserting a Tiagkoi structure between two concentrically held tubes.
  • Figure 1 identifies the outer tube, the inner tube and the supporting structure to be defined
  • FIG. 14 shows the further development of the concept with an intermediate tube between the inner tube, intermediate layer constructions and the outer tube.
  • the position of the intermediate tube is not in the arithmetic center between the inner and outer tube. Constructional reasons and a corresponding experiment determined the position of the intermediate tube
  • a supporting structure can now be inserted as a supporting structure.
  • the honeycombs are advantageously inserted and processed running parallel to the axis ( Figure 2 ⁇ ) Contrary to the lightweight board construction, extruded bars with a thin wall are shaped as hexagons, inserted. These bars are to be adapted to the various cavities , which result from various possible applications.Also, they can be used with different diameters of the rollers.
  • the hexagonal hollow bars are light in weight and are comparatively just as stable as the hexagonal profiles made of thin light metal foils in the lightweight panels deform inside and adjust them
  • hexagonal plastic caps are also radially deformable and can be wrapped around the inner tube. The coil is then covered with the outer tube.
  • the axially or radially inserted hexagonal hollow profiles are glued together. Under load, the profiles support each other and are loaded as a system explains three of these structures
  • Figure 2a shows two concentric rows of the hexagonal hollow profiles, which are shown with a single line because of the small wall thickness. Three or more rows of these hexagonal hollow bars are also to be arranged.
  • FIGS. 3 and 5 Another variant is the insertion of various concentric rings into the space between the inner tube and outer tube. This is shown in FIGS. 3 and 5. Security against axial displacement of the inner tube against the outer tube are the fixing options in FIGS. 9a, 9b, 10a, 10b, 11a and 11b. With this method of spacing, a large part of the cavity between the inner tube and outer tube is kept weightless. The load capacity of the connection can be adjusted via the hardness of the rings used.
  • a corresponding number of balls can also be inserted into the intermediate space, taking into account the axial fixing according to FIGS. 9a, 9b, 10a, 10b, 11a and 11b.
  • These balls are commodities. They reduce the weight for the space construction once more compared to a closed ring with a corresponding circular cross-section, Figure 6.
  • rods are inserted axially. They only fulfill the purpose according to the invention if they are very light, that is to say they are possibly hollow.
  • the cavity is either partially or fully filled (see Figures 7a to 7d).
  • a cord in the space between the inner tube and the outer tube (see FIG. 8). Similar to a thread, with selectable pitch, selectable hardness for the material, an adapted load-bearing capacity can be achieved with a reduced overall weight. This also corresponds to a solution to the task.
  • the composite pipe can be formed from sheet metal with a small thickness, FIGS. 13a and 13b.
  • the required longitudinal weld seam on the inner jacket and outer jacket is housed in a bead. This eliminates the need to rework the weld seam to the outside knife and in the hole.
  • Sa ken are incorporated to improve the stability of the sheet metal jacket inside and outside.
  • these bags are suitable as an integral part of built-in and built-up parts.
  • the shape and number of these beads can be selected and follows a constructive decision.
  • the option with extremely thin sheets and a foamed cavity is the solution that completely fulfills the requirement of the task.
  • the density for this solution is less than 1.
  • FIG. 1 shows a pipe according to the invention as a composite pipe with an outer and inner pipe
  • FIG. 2a shows a partial cross section through the composite pipe according to the invention according to FIG. 1 with an axially inserted honeycomb structure
  • Figure 2b is a partially broken plan view of a composite pipe with a radially inserted honeycomb structure
  • Figure 2c shows a partial cross section through the composite pipe with inserted honeycomb structure according to Figure 2b along line IIc-IIc;
  • Figure ⁇ is a perspective, partially broken view of the composite pipe according to Figure 1, with elastic rings inserted;
  • FIG. 4 shows a perspective view of a partially broken composite pipe according to FIG. 1 with a large number of elastic balls inserted;
  • FIG. 5 shows a perspective, partially broken open view of the composite pipe according to FIG. 1 with damping elements inserted
  • FIG. 6 shows a perspective, partially broken open view with a plurality of axially spaced, radially arranged, elastic balls
  • FIGS. 7a to 7d are perspective, partially broken open views of the composite pipe according to FIG. 1 with elements inserted in the axial direction;
  • FIG. 8 shows a perspective, partly broken view of the composite pipe according to FIG. I with a spiral-shaped element
  • FIGS. 10a and 10b further partial cross section through the composite pipe with outer depressions on the inner pipe according to FIGS. 9a and 9b;
  • FIGS. 11a and 11b further partial cross sections of the composite pipe with corresponding depressions in the inner and outer pipes;
  • FIG. 12 shows a cross section through a further composite pipe with beads
  • FIGS 13a and 13b cross sections through two possible beads from Figure 12;
  • FIG. 14 shows a perspective view of a further composite pipe with a multilayer structure
  • a composite pipe R has an outer pipe 1 and an inner pipe 2.
  • the inner tube 2 is inserted coaxially into the outer tube 1.
  • a gap 3 is formed between the outer tube 1 and the inner tube 2. So that the composite pipe R according to the invention is formed, the gap 3 an element 4 is used.
  • this element 4 is inserted into the gap 3 as a honeycomb structure 8.1 and forms a composite pipe R 1 .
  • the honeycomb structure 8.1 is inserted axially into the gap 3 and establishes a connection between an inner surface 5 of the outer tube 1 and an outer surface 6 of the inner tube 2.
  • the honeycomb structure 8.1 can be pressed into the gap 3 e or can be firmly connected to the surfaces 5, 6 by means of adhesives.
  • This honeycomb structure 8.1 inserted axially into the gap 3 is particularly suitable for flowing through the composite pipe R ⁇ and in particular the gap 3 by means of a medium z ⁇ . This is particularly advantageous for heating or cooling the outer and inner tubes 1, 2.
  • FIG. 2 c shows a schematic partial cross section of the honeycomb structure 8.2 in the gap 3 between the outer and inner tubes 1, 2.
  • FIG. 3 shows a further composite pipe R3, in the gap 3 of which two elements 4.1 are inserted.
  • the two elements 4.1 are preferably drawn or pressed into the gap 3 as elastic rings, prestressed. These can be arranged anywhere in the gap 1 on the inner tube 2.
  • the peculiarity of the prestressed elastic rings is that a suitable selection of material with a suitable pre-tensioning force and, if necessary, by arranging several elements 4.1 in the gap 3, can influence the properties of the composite pipe.
  • a composite pipe can be used accordingly to be optimized for loads, for example during rolling. The contact forces, speeds, vibration level and the like are taken into account when designing such a composite pipe.
  • a selection of corresponding elements 4.1 determine the properties of the composite pipe
  • FIG. 4 Another composite pipe R 4 is shown in FIG. 4, with a large number of elements 4 2 em being set in the gap 3. These are exemplary in the preferred export. formed as balls, in particular as elastic balls. These are also prestressed and pressed into the gap 3 e. They are distributed over the circumference in the radial and / or axial direction in the gap 3. These can also be fully or partially aligned, possibly in the form of rings
  • the corresponding number of balls, selection of the material preload and size of the individual elements, influence on the properties of the composite pipe R 4 can be used, for example, balls of different materials can also be inserted into the gap 3 at different locations This ensures that there is no leakage
  • a composite pipe R5 is shown, 111 whose gap 3 uses the elements 4.3 as cylindrical rubber elements or the like.
  • a selection of the appropriate material, width or spacing of individual rubber elements from one another can also be used. Influence on the properties of the composite pipe R5 can be taken
  • the elements 4.2 are arranged radially in the gap 3 at very specific locations and form a further composite pipe Rg.
  • the individual elements 4.2 or balls lie in the gap 3 m of a radial plane and form a circular ring. They are spaced apart from one another, the spacing being freely selectable.
  • the arrangement of the balls or elements 4.2 are partially or fully filled. These can also be arranged radially spaced from one another. Radial individual gaps then arise between the adjacent elements 4.2.
  • FIG. 7a Another exemplary embodiment of a further composite pipe R 7a is shown in FIG. 7a.
  • elements 4.3 are arranged in the axial direction. These can either be designed as a solid rod or as a tube. In both cases, a medium can flow through the composite pipe R 7, for example, in order to cool or heat this composite pipe R7.
  • the elements 4.3 are designed as round materials arranged axially in the gap 3. These can also be of an Elatian nature.
  • FIGS. 7c and 7d show further exemplary embodiments of composite pipes R7 C and ⁇ d.
  • the special feature of these composite pipes is that the elements 4.3 used there, which can be designed as a solid or as a hollow profile, are arranged axially spaced apart from one another between the inner pipe 2 and the outer pipe 3.
  • the weight of the composite pipes R 7C and R 7 ⁇ is considerably lightened, which in turn causes special vibration properties.
  • a further element 4 4 is inserted spirally into the gap 3 of a composite pipe Rg.
  • This element 4 4 4 is preferably elastic and can also be inserted prestressed in the gap 3.
  • a pitch of the spiral can be changed in order to additionally influence the properties of the composite pipe Rg.
  • additional depressions 1 are provided. 1, 7.2 the element ⁇ - 4.2, 4 3 centered on the inner surface 5 of the outer tube 1 or stored or held there.
  • the recesses 7.1, 7 2 essentially correspond to the outer contour of the elements 4 2 or 4 J here is a corresponding fixed -Loose storage formed, the inner tube? is axially slightly movable against the elements 4.2, 4 3 or with respect to the outer tube 1
  • FIGS. 10a and 10b show a further fixed / loose bearing, the recesses 7 3 being provided on the outer surface 6 of the inner tube 2.
  • a position which is fixed or guided on both sides is also possible, as shown in FIGS. 11a and 11b.
  • the outer surface 5 and the outer surface 6 of the outer and inner tubes 1,? corresponding recesses n 1 to 7.4 are provided. These are arranged opposite each other and center the elements 4.2 in the gap 3. With a suitable preload, these elements 4 2 and 4 3 also act as a seal
  • corresponding profiles 9.1 and 9.2 can be provided both in the outer and in the inner tube 1, 2. These can be rectangular or arched. They serve to profile a roller or to locate and center the elements 4 1 to 4 4 in the gap 3
  • a plurality of inner tubes 2 are inserted into the outer tube 1.
  • M columns 3 elements 4 5 are inserted between the individual tubes.
  • these are manufactured as tubes from any materials. Plastic, metal le or other composite materials can be used to produce a corresponding composite tube Rg.
  • the individual elements 5 and any number of inner tubes can be used coaxially as connections in the outer tube 1

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

La présente invention porte sur un tube composite, plus particulièrement un tube cylindrique, constitué par un tube externe (1) et au moins un tube interne (2), montés en mode coaxial l'un par rapport à l'autre, avec, entre les deux, au moins une fente (3) dans laquelle est placé au moins un élément (4.1 à 4.5).
PCT/EP1997/003181 1996-09-19 1997-06-18 Tube composite cylindrique Ceased WO1998012440A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU32605/97A AU3260597A (en) 1996-09-19 1997-06-18 Composite tube as a cylindrical tube

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996138079 DE19638079A1 (de) 1996-09-19 1996-09-19 Verbundrohr als Walzenrohr
DE19638079.0 1996-09-19

Publications (1)

Publication Number Publication Date
WO1998012440A1 true WO1998012440A1 (fr) 1998-03-26

Family

ID=7806031

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP1997/003181 Ceased WO1998012440A1 (fr) 1996-09-19 1997-06-18 Tube composite cylindrique
PCT/EP1997/005140 Ceased WO1998012441A1 (fr) 1996-09-19 1997-09-19 Tube d'assemblage utilise comme tube a cylindre

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/EP1997/005140 Ceased WO1998012441A1 (fr) 1996-09-19 1997-09-19 Tube d'assemblage utilise comme tube a cylindre

Country Status (3)

Country Link
AU (2) AU3260597A (fr)
DE (1) DE19638079A1 (fr)
WO (2) WO1998012440A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004067978A1 (fr) * 2003-01-29 2004-08-12 Metso Paper, Inc. Rouleau tubulaire pour machine de fabrication de papier et procede de fabrication d'un rouleau tubulaire
DE102015211489B3 (de) * 2015-06-22 2016-06-30 Thyssenkrupp Ag Rolle zur Umlenkung oder Führung eines zu beschichtenden Metallbandes in einem metallischen Schmelzenbad
DE102017221615B3 (de) 2017-11-30 2019-04-25 Walzen Irle Gmbh Verfahren zum Herstellen eines Wärmetauschers sowie Wärmetauscher

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20035161A0 (fi) * 2003-09-22 2003-09-22 Metso Paper Inc Vaimennusjärjestely paperi-/kartonkikoneen telan mekaanisten värähtelyiden vaimentamiseksi
DE102005033308A1 (de) * 2005-07-16 2007-01-25 Swisslog Rohrpostsysteme Gmbh Rohrleitung für ein Rohrpostsystem
DE102007009586A1 (de) * 2007-02-26 2008-08-28 Universität Bremen Walze und Verfahren zur Herstellung derselben
CN108518404A (zh) * 2018-04-23 2018-09-11 武汉理工大学 碳纤维复合空心轴及其制备方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE829831C (de) * 1950-05-03 1952-01-28 Franz Clouth Rheinische Gummiw Walze mit weichem Walzenkoerper
FR1541670A (fr) * 1966-04-28 1968-10-11 Skandinaviska Apparatind Rouleau à double paroi et procédé de fabrication
JPS5894624A (ja) * 1981-11-28 1983-06-04 Mitsubishi Heavy Ind Ltd 摩擦吸振ロ−ル
DE8708474U1 (de) * 1987-06-16 1987-12-03 Integrated Materials Technology GmbH, 65760 Eschborn Leichtlaufwalze mit einem Walzenrohr in Schichtenbauart
US4823689A (en) * 1986-03-18 1989-04-25 Canon Kabushiki Kaisha Elastic roller with internal openings for use with image forming apparatus
EP0313023A2 (fr) * 1987-10-20 1989-04-26 Sumitomo Electric Industries Limited Rouleau élastique de fixage et procédé de sa fabrication
DE3912093A1 (de) * 1989-04-13 1990-10-18 Clouth Gummiwerke Ag Verfahren zum herstellen einer elastomerbeschichteten walze
GB2249155A (en) * 1990-10-24 1992-04-29 Shiratori Kk Roller element for a playground slide
EP0492561A1 (fr) * 1990-12-28 1992-07-01 Behr GmbH & Co. Procédé de fabrication d'un cylindre de refroidissement, ainsi qu'un cylindre de refroidissement
DE9301059U1 (de) * 1993-01-27 1993-03-11 Sulzer-Escher Wyss Gmbh, 88212 Ravensburg Walze

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE829831C (de) * 1950-05-03 1952-01-28 Franz Clouth Rheinische Gummiw Walze mit weichem Walzenkoerper
FR1541670A (fr) * 1966-04-28 1968-10-11 Skandinaviska Apparatind Rouleau à double paroi et procédé de fabrication
JPS5894624A (ja) * 1981-11-28 1983-06-04 Mitsubishi Heavy Ind Ltd 摩擦吸振ロ−ル
US4823689A (en) * 1986-03-18 1989-04-25 Canon Kabushiki Kaisha Elastic roller with internal openings for use with image forming apparatus
DE8708474U1 (de) * 1987-06-16 1987-12-03 Integrated Materials Technology GmbH, 65760 Eschborn Leichtlaufwalze mit einem Walzenrohr in Schichtenbauart
EP0313023A2 (fr) * 1987-10-20 1989-04-26 Sumitomo Electric Industries Limited Rouleau élastique de fixage et procédé de sa fabrication
DE3912093A1 (de) * 1989-04-13 1990-10-18 Clouth Gummiwerke Ag Verfahren zum herstellen einer elastomerbeschichteten walze
GB2249155A (en) * 1990-10-24 1992-04-29 Shiratori Kk Roller element for a playground slide
EP0492561A1 (fr) * 1990-12-28 1992-07-01 Behr GmbH & Co. Procédé de fabrication d'un cylindre de refroidissement, ainsi qu'un cylindre de refroidissement
DE9301059U1 (de) * 1993-01-27 1993-03-11 Sulzer-Escher Wyss Gmbh, 88212 Ravensburg Walze

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 193 (M - 238) 24 August 1983 (1983-08-24) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004067978A1 (fr) * 2003-01-29 2004-08-12 Metso Paper, Inc. Rouleau tubulaire pour machine de fabrication de papier et procede de fabrication d'un rouleau tubulaire
CN100392262C (zh) * 2003-01-29 2008-06-04 美卓造纸机械公司 用于造纸机的管状辊及制造管状辊的方法
DE102015211489B3 (de) * 2015-06-22 2016-06-30 Thyssenkrupp Ag Rolle zur Umlenkung oder Führung eines zu beschichtenden Metallbandes in einem metallischen Schmelzenbad
US10520013B2 (en) 2015-06-22 2019-12-31 Thyssenkrupp Steel Europe Ag Roller for deflecting or guiding a metal strip to be coated in a metal melt bath
DE102017221615B3 (de) 2017-11-30 2019-04-25 Walzen Irle Gmbh Verfahren zum Herstellen eines Wärmetauschers sowie Wärmetauscher

Also Published As

Publication number Publication date
AU4775697A (en) 1998-04-14
DE19638079A1 (de) 1998-04-02
WO1998012441A1 (fr) 1998-03-26
AU3260597A (en) 1998-04-14

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