EP3184482B1 - Teleskopischer mast und automatisch faltbarer turmkran mit solch einem teleskpopischen mast - Google Patents

Teleskopischer mast und automatisch faltbarer turmkran mit solch einem teleskpopischen mast Download PDF

Info

Publication number
EP3184482B1
EP3184482B1 EP16201451.8A EP16201451A EP3184482B1 EP 3184482 B1 EP3184482 B1 EP 3184482B1 EP 16201451 A EP16201451 A EP 16201451A EP 3184482 B1 EP3184482 B1 EP 3184482B1
Authority
EP
European Patent Office
Prior art keywords
mast
primary
face
section
segment
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.)
Active
Application number
EP16201451.8A
Other languages
English (en)
French (fr)
Other versions
EP3184482A1 (de
Inventor
Jean-Paul Verchere
Fabrice Thomas
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.)
Manitowoc Crane Group France SAS
Original Assignee
Manitowoc Crane Group France SAS
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 Manitowoc Crane Group France SAS filed Critical Manitowoc Crane Group France SAS
Publication of EP3184482A1 publication Critical patent/EP3184482A1/de
Application granted granted Critical
Publication of EP3184482B1 publication Critical patent/EP3184482B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/60—Derricks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • B66C23/342—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with telescopic elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration

Definitions

  • the present invention relates to a telescopic mast for forming an automatic unfolding and folding tower crane.
  • the present invention relates to an automatic unfolding and folding tower crane comprising such a telescopic mast.
  • the present invention applies to the field of automatic folding and folding boom cranes.
  • the present invention can be applied to several types of automatic unfolding and folding cranes, for example dispenser boom cranes and luffing boom cranes.
  • EP0855361A1 describes a telescopic mast comprising a first mast section and a second mast section sliding one inside the other.
  • the first and second mast sections each have a polygonal cross-section with eight faces.
  • the first and second mast sections respectively comprise four primary support members and four secondary support members which are located on either side of a neutral fiber plane of the first mast section.
  • the primary and secondary support members primarily transmit the forces generated by the bending and twisting moments between the first and second mast sections.
  • the present invention is intended in particular to solve, in whole or in part, the problems mentioned above.
  • first and second mast sections can effectively transmit the bending and twisting forces, while limiting the intensity of the resulting forces at the primary and secondary support members, which allows to reduce the dimensions of the telescopic mast with constant loading.
  • cross section designates a section considered in a sectional plane perpendicular to the longitudinal axis of the corresponding mast section.
  • first mast section has, perpendicular to its longitudinal axis, a polygonal section.
  • second mast section has, perpendicular to its longitudinal axis, a polygonal section.
  • neutral fiber plane designates the plane in which the effects of the bending moments are zero for the telescopic mast.
  • the neutral fiber plane forms a separation between a first region and a second region of the cross section of the first mast section.
  • the neutral fiber plane can be localized by calculation, so that the quadratic inertia of the first region, with respect to this neutral fiber plane, is equal to the quadratic inertia of the second first region, with respect to this plane neutral fiber.
  • the primary support members are fixed on the outer surface of the first mast section so as to press against the inner surface of the second mast section.
  • the secondary support members are fixed on the inner surface of the second mast section so as to press against the outer surface of the first mast section.
  • the primary and secondary support members perform a guiding function of the first and second mast sections during the deployment or telescoping of the telescopic mast. Indeed, the primary and secondary support members guide the first mast section sliding relative to the second mast section.
  • the primary and secondary support members also perform a force transmission function when the tower crane is in operation. Indeed, the primary and secondary support members transmit several forces between the first mast section and the second mast section.
  • the first mast section extends at least partially in the second mast section.
  • the first mast section When the telescopic mast is in a compact configuration, the first mast section extends almost completely into the second mast section.
  • the first mast section When the telescopic mast is in deployed configuration, the first mast section extends substantially out of the second mast section.
  • the first mast section has a generally constant cross section over substantially its entire length
  • the second mast section has a generally constant cross section over substantially its entire length
  • the first mast section has the overall shape of a prism, which is defined around the longitudinal axis of the first mast section and whose base is the polygonal shape of the cross section of the first section of the mast. mast.
  • the second mast section generally has the shape of a prism, which is defined around the longitudinal axis of the second mast section and whose base is the polygonal shape of the cross section of the second mast section.
  • mast section refers to a longitudinal mast element.
  • mast sections form the telescopic mast.
  • the first mast section has a generally tubular shape composed of flat sheets
  • the second mast section has a generally tubular shape composed of flat sheets.
  • the first mast section forms a box with full faces
  • the second mast section forms a box with solid faces.
  • the first mast portion may have a generally tubular shape composed of curved sheets
  • the second mast section may have a generally tubular shape composed of curved sheets.
  • the polygonal shape of the cross section of the first mast section is convex.
  • the surface of the polygonal shape contains any segment that connects two points of the contour of the polygonal shape.
  • the polygonal shape of the cross section of the second mast section is convex.
  • the primary intersection point is in the second region and the secondary intersection point is in the first region.
  • the cross section has overall dimensions (maximum size) substantially equal in two perpendicular directions, the lateral components in contact with the primary and secondary support members are particularly small.
  • the primary intersection point and the secondary intersection point are located on either side of the neutral fiber plane.
  • the primary intersection point and the secondary intersection point may be located respectively in the first region and in the second region.
  • the primary intersection point and the secondary intersection point are located on either side of the neutral fiber plane.
  • the distance between the primary intersection point and the secondary intersection point is between 25% and 75% of the maximum length of the first mast section measured perpendicularly to the neutral fiber plane.
  • each primary support member forms a contact angle less than 45 degrees with the neutral fiber plane
  • each secondary support member forms a contact angle less than 45 degrees with the neutral fiber plane
  • At least one of the first mast section and the second mast section comprises longitudinal ribs located on two opposite faces of the polygonal shape of the respective mast section.
  • the longitudinal ribs extend along the longitudinal axis.
  • the longitudinal ribs respectively stiffen the first and / or the second mast section (s).
  • the longitudinal ribs increase the quadratic moment of inertia of the polygonal shapes, which increases the buckling mechanical strength for a constant bulk.
  • the first mast section is composed of two flat sheets welded and folded so as to form two half-shells.
  • the second mast section is composed of two flat plates welded and folded so as to form two half-shells.
  • the width of each face provided with a longitudinal rib is between 150% and 250% of the width of each other. face of the polygonal shape.
  • Each other face here denotes each face which is devoid of longitudinal rib.
  • widths of the faces provided with longitudinal ribs give the cross section a high quadratic moment in a direction in which exerting significant efforts.
  • the width of each face devoid of longitudinal rib is less than 120% of the width of the narrowest face devoid of longitudinal rib.
  • the width of each face without longitudinal rib is less than 120% of the width of the narrowest face without longitudinal rib.
  • the polygonal section of the first mast section is symmetrical at least with respect to a plane containing the longitudinal axis.
  • the polygonal section of the first mast section is symmetrical with respect to two planes perpendicular to each other, at least one of said two planes containing the longitudinal axis.
  • the polygonal section of the second mast section may be symmetrical with respect to one or two planes containing the longitudinal axis.
  • said at least one plane of symmetry coincides with the plane of neutral fiber.
  • the polygonal section of the second mast section is symmetrical at least with respect to a plane containing the longitudinal axis. This plane of symmetry can also be confused with the plane of neutral fiber.
  • the first mast section comprises four primary support members, two primary support members being located in the second region, and the second mast section comprises four secondary support members, two secondary support members being located in the first region.
  • the first mast section comprises two additional primary support members, in addition to the two aforementioned primary bearing members which determine the primary point of intersection.
  • the second mast section comprises two additional secondary support members, in addition to the two aforementioned secondary support members which determine the secondary intersection point.
  • the two additional primary support members and the two additional secondary support members can transmit forces generated by bending moments between the first mast section and the second mast section, in particular when the tower crane is while being unfolded.
  • Each primary support member performs not only a support function when the telescopic mast is in static phase, but also a guide function of the second mast section when the telescopic mast is being unfolded or folded (sliding of the first mast section with respect to the second mast section).
  • each secondary support member performs not only a support function when the telescopic mast is in static phase, but also a guide function of the first mast section when the telescopic mast is being unfolded or folded ( sliding of the first mast section relative to the second mast section).
  • the four primary support members are located on faces of the polygonal shape which are two to two opposite to the longitudinal axis
  • the four secondary support members. are located on faces of the polygonal shape which are two to two opposite to the longitudinal axis.
  • the primary support members comprise primary shoes.
  • Each primary pad may have a rectangular contour in cross section.
  • the primary support members may comprise primary rollers arranged to guide the first mast section relative to the second mast section.
  • the secondary support members comprise secondary shoes.
  • Each secondary pad may have a rectangular contour in cross section.
  • the secondary support members may comprise secondary rollers arranged to guide the first mast section relative to the second mast section.
  • At least one primary support member has a width greater than 70% of the width of the face on which this primary support member rests
  • at least one secondary support member has a width greater than 70% of the width of the face on which this secondary support member rests.
  • widths define large bearing surfaces that can transmit significant efforts.
  • each primary support member has a width greater than 70% of the width of the face on which the respective primary pad rests
  • each secondary support member has a width greater than 70% of the width. of the face on which rests the respective secondary shoe.
  • the width of a support member is the width of the bearing surface provided by the support member respectively to the second or the first mast section.
  • At least one primary support member is pivotally mounted about an axis substantially parallel to the longitudinal axis of the first mast section
  • at least one secondary support member is pivotally mounted about an axis. substantially parallel to the longitudinal axis of the second mast section.
  • each primary support member may be pivotally mounted substantially about an axis parallel to the longitudinal axis of the first mast section
  • each secondary support member may be pivotally mounted substantially about an axis parallel to the longitudinal axis of the second mast section.
  • each primary support member is arranged on a longitudinal end portion of the first mast section.
  • each secondary support member is arranged on a longitudinal end portion of the second mast section.
  • the primary support members are situated at the same level along the longitudinal axis, and the secondary support members are located at the same level along the longitudinal axis.
  • the present invention relates to an automatic folding and folding tower crane, comprising an arrow and a telescopic mast, the tower crane being characterized in that the telescopic mast is according to the invention.
  • the tower crane further comprises a base and a tie rod, the tie mechanically connecting the boom to the base, the width of the cross section of the telescopic mast being between 90% and 110% of the length of the cross section of the telescopic mast.
  • the boom is mechanically connected to the base exclusively by the telescopic mast, the width of the cross section of the telescopic mast being less than 70% of the length of the cross section of the telescopic mast.
  • the tower crane is devoid of pulling in this embodiment.
  • the Figures 1, 2 and 3 illustrate an automatic folding and folding tower crane 100 comprising an arrow 102 and a telescopic mast 1.
  • the Figures 4 to 12 illustrate the telescopic mast 1.
  • the telescopic mast 1 comprises a first mast section 10 and a second mast section 20.
  • the first mast section 10 has a generally tubular shape composed of flat plates 12 which are welded and folded so as to form two half-shells.
  • the second mast section 20 has a generally tubular shape composed of flat sheets 22 which are welded and folded so as to form two half-shells.
  • the first mast section 10 and the second mast section 20 are configured so that the first mast section 10 can slide in the second mast section 20 along a longitudinal axis Z10 when unfolding or folding up. tower crane 100.
  • the cross section of the second mast section is larger than the cross section 20 of the first mast section 10, so that the first mast section 10 can slide in the second mast section 20.
  • the first mast section 10 When the telescopic mast 1 is in a compact configuration, the first mast section 10 extends almost completely into the second mast section 20. When the telescopic mast 1 is in the deployed configuration ( figure 3 ), the first mast section 10 extends substantially out of the second mast section 20.
  • the first mast section 10 has a cross section of polygonal shape with eight faces, so octagonal.
  • the second mast section 20 has a cross section of polygonal shape with eight faces, so octagonal.
  • the first mast section 10 has a constant cross section over substantially its entire length.
  • the second mast section 20 has a constant cross section over substantially its entire length.
  • the cross section of the first mast section 10 defines a plane of neutral fiber P31, which is parallel to or contains the longitudinal axis Z10 and which is therefore perpendicular to the cross section.
  • the neutral fiber plane P31 forms a separation between a first region 10.1 and a second region 10.2 of the cross section of the first mast section 10.
  • the octagonal section of the first mast section 10 is convex and symmetrical with respect to the neutral fiber plane P31.
  • the octagonal section the second mast section 20 is convex and symmetrical with respect to the plane of neutral fiber P31.
  • the plane of symmetry of each of these octagonal sections coincides with the plane of neutral fiber P31.
  • the first mast section 10 comprises two longitudinal ribs 12.1.
  • the longitudinal ribs 12.1 are located on two opposite faces 14.3, 14.4 of the first mast section 10.
  • the second mast section 20 comprises two longitudinal ribs 22.1.
  • the longitudinal ribs 22.1 are located on two opposite faces 24.3, 24.4 of the second mast section 20.
  • the first mast section 10 comprises four primary support members 11: i) two primary support members 11 are located in the first region 10.1, at the top on the figure 7 or 8 ; ii) two additional primary support members 11 are located in the second region 10.2, down on the figure 7 or 8 .
  • the neutral fiber plane P31 separates the four primary support members 11 into two groups of two.
  • the second mast section 20 comprises four secondary support members 21: i) two secondary support members 21 are located in the first region 10.1, at the top on the figure 7 or 8 ; ii) two additional secondary support members 21 are located in the second region 10.2, down on the figure 7 or 8 .
  • the neutral fiber plane P31 separates the four primary support members 11 into two groups of two.
  • the primary bearing members 11 comprise primary pads 11.1 each having a rectangular cross-sectional contour.
  • the secondary support members 21 comprise secondary pads 21.1 each having a rectangular cross-sectional contour.
  • the primary support members 11 are connected to the front-right 14.5, left-front 14.6, rear-right 14.7 and rear-left 14.8 sides of the first mast section 10.
  • the secondary support members 21 are connected to the front faces. right 24.5, left-hand 24.6, right-rear 24.7 and left-rear 24.8 of the second mast section 20.
  • the four primary support members 11 are located on octagonal faces which are two to two opposite to the longitudinal axis Z10.
  • the primary support members 11 can rest on the front-right 24.5, front-left 24.6, rear-right 24.7 and left-rear 24.8 of the second mast section 20. So the primary support members 11 rely on the oblique faces.
  • the four secondary support members 21 are located on octagonal faces which are two to two opposite to the longitudinal axis Z20 of the second mast section 20.
  • the secondary support members 21 are press on the front-right sides 14.5, left-front 14.6, rear-right 14.7 and rear-left 14.8 of the first mast section 10. So the secondary support members 21 can be supported on the oblique faces.
  • all the primary support members 11 are located at the same level along the longitudinal axis Z10, therefore at the same altitude when the longitudinal axis Z10 is vertical.
  • the secondary support members 21 are located at the same level along the longitudinal axis Z10 or along the longitudinal axis Z20 of the second mast section 20, so at the same altitude when the longitudinal axis Z10 is vertical.
  • the primary support members 11 are located lower than the secondary support members 21.
  • the secondary support members 21 are closer to the arrow 102, the load induces a moment tilting forward.
  • each primary support member 11 is arranged on a longitudinal end portion 10.5 of the first mast section 10.
  • each secondary support member 21 is arranged on a longitudinal end portion 20.5 of the second section. Mast 20. The primary bearing 11 and secondary 21 are located at different altitudes when the tower crane 100 is in working configuration.
  • the primary support members 11 are fixed on the outer surface of the first mast section 10 so as to bear against the inner surface of the second mast section 20.
  • the secondary support members 21 are fixed on the inner surface the second mast section 20 so as to press against the outer surface of the first mast section 20.
  • the primary support members 11 and secondary 12 fulfill a guiding function of the first and second mast sections 10 and 20 during the unfolding and folding of the telescopic mast 1. In fact, the primary support members 11 and secondary 21 guide the first mast section 10 sliding relative to the second mast section 20.
  • the primary support members 11 and secondary 21 also fulfill a force transmission function when the tower crane 100 is in operation (static telescopic mast).
  • the primary support members 11 and the secondary support members 21 are configured to transmit, between the first mast section 10 and the second mast section 20, forces induced by bending moments and by generated torsion moments. for example by a load suspended from the boom 102, by the weight of the boom 102 and by a side wind on the boom 102.
  • each primary support member 11 is pivotally mounted about an axis Z11 which is parallel to the longitudinal axis Z10.
  • each secondary support member 21 is pivotally mounted substantially about an axis parallel to the longitudinal axis Z10.
  • the octagonal shapes of the cross sections of the first and second mast sections are configured so that the two primary support members 11 transmit two primary forces F11 which result from the induced forces (bending, torsion) and which are substantially orthogonal to the longitudinal axis Z10.
  • the directions of the two primary forces F11 taken in projection in a plane orthogonal to the longitudinal axis Z10 (here the plane of the figure 12 ), compete at a primary intersection point P11.
  • the octagonal shapes of the cross-sections of the first and second mast sections are configured so that the two secondary support members 21 transmit two secondary forces F21 which result from the induced forces (bending, torsion) and which are substantially orthogonal to the longitudinal axis Z10.
  • the directions of the two secondary forces F21 taken in projection in a plane orthogonal to the longitudinal axis Z10 (here the plane of the figure 11 ), compete at a secondary intersection point P21.
  • the secondary intersection point P21 is remote from the primary intersection point P11.
  • the distance P21.P11 separating the secondary intersection point P21 from the primary intersection point P11 is materialized on the figure 11 .
  • the primary intersection point P11 is located in the second region 10.2, that is to say on the side of the secondary support members 21 which transmit the secondary forces F21.
  • the secondary intersection point P21 is located in the first region 10.1, that is to say on the side of the primary bearing members 11 which transmit the primary forces F11.
  • each primary support member 11 forms a contact angle A24.7 or A24.8 less than 45 degrees with the plane of neutral fiber P31.
  • each secondary support member 21 forms a contact angle A14.5 or A14.6 less than 45 degrees with the plane of neutral fiber P31.
  • the first 10 and second 20 mast sections can effectively transmit the bending and torsion forces, while limiting the intensity of the resulting efforts at the supports.
  • a distance P11.P21 between the primary intersection point P11 and the secondary intersection point is here approximately equal to 40% of the maximum length L1 of the first mast section measured perpendicularly to the neutral fiber plane P31.
  • each primary support member 11 has a width W11 approximately equal to 80% of the width W24.6 of the face (example: straight line 14.6) of the polygonal shape on which this primary support member 11 rests.
  • Each secondary support member 21 has a width W21 which is here approximately equal to 95% of the width W14.8 of the face of the polygonal shape on which this secondary support member 21 is based.
  • the widths W24.6 and W14.8 are materialized on the figure 8 .
  • the width W14.3 or W14.4 of each face 14.3, 14.4 provided with a longitudinal rib 12.1 is here approximately equal to 150% of the width W14.1 of each other face 14.1, 14.2 of the polygonal shape.
  • the width of each face 24.3, 24.4 provided with a longitudinal rib 22.1 is here approximately equal to 150% of the width of each other face 24.1, 24.2 of the polygonal shape.
  • the width W14.8 of each face 14.5, 14.6, 14.7, 14.8 devoid of longitudinal rib is here approximately equal to 105% of the width W14.1 of the narrowest face 14.1, 14.2 devoid of longitudinal rib 12.1.
  • the width W24.6 of each face 24.5, 24.6, 24.7, 24.8 devoid of longitudinal rib 22.1 is here approximately equal to 105% of the width of the narrowest face 24.1, 24.2 devoid of longitudinal rib 22.1.
  • the tower crane 100 further comprises a base 104 and a tie rod 106.
  • the tie rod 106 connects mechanically the arrow 102 to the base 104.
  • the width W1 (visible at the figure 11 ) of the cross section of the first mast section 10 is here about equal to 120% of the length L1 (visible at the figure 11 ) of the cross section of the first mast section 10.

Claims (11)

  1. Teleskopmast (1), um einen Turmkran (100) mit automatischem Auf- und Zusammenklappen zu bilden, wobei der Teleskopmast (1) mindestens umfasst: einen ersten Mastabschnitt (10) und einen zweiten Mastabschnitt (20), die derart ausgebildet sind, dass der erste Mastabschnitt (10) entlang einer Längsachse (Z10) in dem zweiten Mastabschnitt (20) gleiten kann,
    wobei der erste Mastabschnitt (10) einen polygonförmigen Querschnitt mit mindestens acht Flächen besitzt, wobei der Querschnitt einen ersten Bereich (10.1) und einen zweiten Bereich (10.2) aufweist, die durch eine neutrale Faserebene (P31) getrennt sind, wobei der zweite Mastabschnitt (20) einen polygonförmigen Querschnitt mit mindestens acht Flächen besitzt,
    wobei der erste Mastabschnitt (10) mindestens zwei primäre Auflageorgane (11) umfasst, die im ersten Bereich (10.1) liegen, wobei der zweite Mastabschnitt (20) mindestens zwei sekundäre Auflageorgane (21) umfasst, die im zweiten Bereich (10.2) liegen,
    wobei die primären Auflageorgane (11) und die sekundären Auflageorgane (21) dafür ausgebildet sind, durch Biegemomente und durch Drehmomente induzierte Belastungen zwischen dem ersten Mastabschnitt (10) und dem zweiten Mastabschnitt (20) zu übertragen,
    wobei der Teleskopmast (1) dadurch gekennzeichnet ist, dass die Polygonform des Querschnitts des ersten Mastabschnitts (10) und die Polygonform des Querschnitts des zweiten Mastabschnitts (20) derart ausgebildet sind, dass:
    - die zwei primären Auflageorgane (11) zwei primäre Kräfte (F11), die aus den induzierten Belastungen resultieren, übertragen, wobei die Richtungen der zwei primären Kräfte (F11), in einer zur Längsachse (Z10) orthogonalen Ebene projiziert, in einem primären Schnittpunkt (P11) zusammenlaufen,
    - die zwei sekundären Auflageorgane (21) zwei sekundäre Kräfte (F21), die aus den indizierten Belastungen resultieren, übertragen, wobei die Richtungen der zwei sekundären Kräfte (F21), in einer zur Längsachse (Z10) orthogonalen Ebene projiziert, in einem sekundären Schnittpunkt (P21) zusammenlaufen,
    wobei der sekundäre Schnittpunkt (P21) vom primären Schnittpunkt (P11) beabstandet ist.
  2. Teleskopast (1) nach dem vorhergehenden Anspruch, wobei der Abstand (P11.P21) zwischen dem primären Schnittpunkt (P11) und dem sekundären Schnittpunkt (P21) im Bereich zwischen 25 % und 75 % der maximalen Länge (L1) des ersten Mastabschnitts (10), senkrecht zur neutralen Faserebene (P31) gemessen, beträgt.
  3. Teleskopmast (1) nach einem der vorhergehenden Ansprüche, wobei jedes primäre Auflageorgan (11) einen Berührungswinkel (A24.7, A24.8) von weniger als 45 Grad zur neutralen Faserebene (P31) bildet, und wobei jedes sekundäre Auflageorgan (21) einen Berührungswinkel (A14.5, A14.6) von weniger als 45 Grad zur neutralen Faserebene (P31) bildet.
  4. Teleskopmast (1) nach dem vorhergehenden Anspruch, wobei die Polygonform des zweiten Mastabschnitts (20) mindestens umfasst:
    - eine hintere rechte Fläche (24.7), auf der ein primäres Auflageorgan (11) aufliegt, wobei die hintere rechte Fläche (24.7) zur neutralen Faserebene (P31) einen Winkel (A24.7) im Bereich zwischen 20 Grad und 40 Grad bildet,
    - eine hintere linke Fläche (24.8), auf der ein primäres Auflageorgan (11) aufliegt, wobei die hintere linke Fläche (24.8) zur neutralen Faserebene (P31) einen Winkel (A24.8) im Bereich zwischen 20 Grad und 40 Grad bildet.
  5. Teleskopmast (1) nach einem der vorhergehenden Ansprüche, wobei die Polygonform des ersten Mastabschnitts (10) mindestens umfasst:
    - eine vordere rechte Fläche (14.5), auf der ein sekundäres Auflageorgan (21) aufliegt, wobei die vordere rechte Fläche (14.5) zur neutralen Faserebene (P31) einen Winkel (A14.5) im Bereich zwischen 20 Grad und 40 Grad bildet,
    - eine vordere linke Fläche (14.6), auf der ein sekundäres Auflageorgan (21) aufliegt, wobei die vordere linke Fläche (14.6) zur neutralen Faserebene (P31) einen Winkel (A14.6) im Bereich zwischen 20 Grad und 40 Grad bildet.
  6. Teleskopmast (1) nach einem der vorhergehenden Ansprüche, wobei mindestens einer aus dem ersten Mastabschnitt (10) und dem zweiten Mastabschnitt (20) Längsrippen (12.1, 22.1) umfasst, die auf zwei gegenüberliegenden Flächen der Polygonform des jeweiligen Mastabschnitts (10, 20) liegen.
  7. Teleskopmast (1) nach dem vorhergehenden Anspruch, wobei bei mindestens einem aus dem ersten Mastabschnitt (10) und dem zweiten Mastabschnitt (20) die Breite jeder Fläche, die mit einer Längsrippe (12.1, 22.1) versehen ist, im Bereich zwischen 150 % und 250 % der Breite jeder anderen Fläche der Polygonform beträgt.
  8. Teleskopmast (1) nach einem der vorhergehenden Ansprüche, wobei der polygonale Querschnitt des ersten Mastabschnitts (10) mindestens in Bezug auf eine Ebene, die die Längsachse (Z10) enthält, symmetrisch ist.
  9. Teleskopmast (1) nach einem der vorhergehenden Ansprüche, wobei der erste Mastabschnitt (10) vier primäre Auflageorgane (11) umfasst, wobei zwei primäre Auflageorgane (11) im zweiten Bereich (10.2) liegen,
    und wobei der zweite Mastabschnitt vier sekundäre Auflageorgane (21) umfasst, wobei zwei sekundäre Auflageorgane (21) im ersten Bereich (10.1) liegen.
  10. Teleskopmast (1) nach einem der vorhergehenden Ansprüche, wobei mindestens ein primäres Auflageorgan (11) eine Breite (W11) von mehr als 70 % der Breite (W24.6) der Fläche besitzt, auf der dieses primäre Auflageorgan (11) aufliegt, und wobei mindestens ein sekundäres Auflageorgan (21) eine Breite (W21) von mehr als 70 % der Breite (W14.8) der Fläche besitzt, auf der dieses sekundäre Auflageorgan (21) aufliegt.
  11. Turmkran (100) mit automatischem Auf- und Zusammenklappen, umfassend einen Ausleger (102) und einen Teleskopmast (1), wobei der Turmkran (100) dadurch gekennzeichnet ist, dass der Teleskopmast (1) nach einem der vorhergehenden Ansprüche ist.
EP16201451.8A 2015-12-23 2016-11-30 Teleskopischer mast und automatisch faltbarer turmkran mit solch einem teleskpopischen mast Active EP3184482B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1563222A FR3046151B1 (fr) 2015-12-23 2015-12-23 Mat telescopique et grue a tour a depliage et repliage automatiques comprenant un tel mat telescopique

Publications (2)

Publication Number Publication Date
EP3184482A1 EP3184482A1 (de) 2017-06-28
EP3184482B1 true EP3184482B1 (de) 2017-12-20

Family

ID=55590016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16201451.8A Active EP3184482B1 (de) 2015-12-23 2016-11-30 Teleskopischer mast und automatisch faltbarer turmkran mit solch einem teleskpopischen mast

Country Status (3)

Country Link
EP (1) EP3184482B1 (de)
CN (1) CN106904542B (de)
FR (1) FR3046151B1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478014A (en) * 1981-12-14 1984-10-23 Fmc Corporation Telescopic boom with angled corner construction
FR2757497B1 (fr) * 1996-12-23 1999-02-12 Potain Sa Mature telescopique pour grue a tour

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR3046151A1 (fr) 2017-06-30
CN106904542B (zh) 2019-11-05
EP3184482A1 (de) 2017-06-28
CN106904542A (zh) 2017-06-30
FR3046151B1 (fr) 2018-01-05

Similar Documents

Publication Publication Date Title
EP3184481B1 (de) Turmkran mit automatischer ein- und ausklappfunktion, der einen mast und einen zum mast versetzten ausleger umfasst
FR2958279A1 (fr) Grue a fleche en treillis et fleche en treillis
FR2963612A1 (fr) Element en treillis et grue
EP0440519B1 (de) Hubwagen mit teleskopischem Ausleger
EP3184482B1 (de) Teleskopischer mast und automatisch faltbarer turmkran mit solch einem teleskpopischen mast
EP1301431B1 (de) Kran mit aus gliedern bestehendem kranarm
FR2707595A1 (fr) Train d'atterrissage d'aéronef, du type à relevage latéral.
EP0855361B1 (de) Teleskopmast für einen Turmkran
FR2661665A1 (fr) Fleche de manutention comprenant une fleche principale et une fleche complementaire.
EP0536061B1 (de) Automatisch zusammenklappbarer Turmkran
EP0100926B1 (de) Fahrzeug zur Handhabung von Materialien mit orientierbarem Ausleger und eingebautem Stabilisiergestell
FR2650721A1 (fr) Dispositif facilitant le transport d'une machine agricole, notamment d'une faneuse
FR2643625A2 (fr) Grue repliable a fleche en trois elements articules les uns aux autres
FR2790538A1 (fr) Structure de poutre en caisson creux, poutre en faisant application et fleche telescopique la mettant en oeuvre
EP2213609B1 (de) Faltbare Ausleger für Turmdrehkran
EP0873964B1 (de) Technik zum Aufrichten des Mastes für einen Teleskopkran
EP1953112A1 (de) Hubgerät
EP3184480B1 (de) Turmkran mit teleskopierbarem mast
EP1352870B1 (de) Vorrichtung zum Anheben und Aufklappen von dem Mast und zum Anheben von dem Ausleger eines Kranes
EP1582325A1 (de) Förderer geeignet für einen Transportbetonmischer und Betonmischer mit solchen Förderer
FR2994169A1 (fr) Engin de levage
EP2687420A1 (de) Horizontal rollende und schwenkbare Basis mit ein- und ausziehbarer Stütze
FR2725178A1 (fr) Train d'atterrissage d'aeronef, du type a relevage lateral
EP4144196A1 (de) Landwirtschaftliche vorrichtung mit zwei arbeitseinheiten
EP2692680B1 (de) Hubgerät

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20170822

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

INTG Intention to grant announced

Effective date: 20171017

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: FRENCH

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 956171

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180115

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602016001146

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: CABINET GERMAIN AND MAUREAU, CH

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20171220

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180320

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 956171

Country of ref document: AT

Kind code of ref document: T

Effective date: 20171220

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180321

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180320

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180420

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602016001146

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

26N No opposition filed

Effective date: 20180921

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181130

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20181130

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20161130

Ref country code: MK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171220

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191130

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171220

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181130

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20201130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20231124

Year of fee payment: 8

Ref country code: FR

Payment date: 20231120

Year of fee payment: 8

Ref country code: DE

Payment date: 20231121

Year of fee payment: 8