EP4029821A1 - Wagen zur luftbeförderung von lasten - Google Patents

Wagen zur luftbeförderung von lasten Download PDF

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Publication number
EP4029821A1
EP4029821A1 EP22152049.7A EP22152049A EP4029821A1 EP 4029821 A1 EP4029821 A1 EP 4029821A1 EP 22152049 A EP22152049 A EP 22152049A EP 4029821 A1 EP4029821 A1 EP 4029821A1
Authority
EP
European Patent Office
Prior art keywords
flange
carriage
monorail
central body
trolley
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.)
Pending
Application number
EP22152049.7A
Other languages
English (en)
French (fr)
Inventor
Pascal Leroy
Alvin MAXIMILIEN
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.)
Fives Conveying
Original Assignee
Fives Conveying
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 Fives Conveying filed Critical Fives Conveying
Publication of EP4029821A1 publication Critical patent/EP4029821A1/de
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes
    • B66C7/08—Constructional features of runway rails or rail mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B3/00—Elevated railway systems with suspended vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
    • B66C11/04—Underhung trolleys
    • B66C11/06—Underhung trolleys running on monorails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
    • B66C9/12—Undercarriages or bogies, e.g. end carriages, end bogies with load-distributing means for equalising wheel pressure

Definitions

  • the present invention relates to the field of aerial transport of loads on a monorail.
  • loads can be heavy or light, ranging from a few tens of kilograms to several tons.
  • trolleys comprising a system with four rigid wheels running on a so-called I-shaped monorail, because the monorail has a section that resembles the letter I.
  • An example of such a trolley is described in the document US7798068 B2 .
  • Such monorails may have a tread having a variable flatness in certain places.
  • geometric dispersions between segments can cause steps of several millimeters at the level of the running flanges. This results in a transfer of load between the wheels which often leads to overloading two wheels diagonally and therefore exert an overpressure on them while unloading the other two.
  • the object of the invention is therefore to propose a monorail transport system which is more compact and makes it possible to solve the problems described above.
  • the invention relates to an overhead load conveying carriage, intended to run on a monorail, the carriage comprising a frame having a first flange and a second flange, facing the first flange, each flange carrying two wheels intended to ride on a monorail taxiway.
  • the first flange is connected to the second flange by first connecting means allowing relative movement of one flange with respect to the other.
  • the four wheels of the trolley always remain in contact with the rolling tracks of the monorail.
  • the flanges can follow the geometric variation of the track and thus keeping the four wheels always in contact with the monorail. Another possible example is when one track is higher than the other.
  • the vertical load applied to the carriage is therefore uniformly distributed over the four wheels, regardless of their relative position in space.
  • the relative movement of one flange with respect to the other is, for example, a rotational movement, for example with respect to a transverse axis passing through the two flanges and perpendicular to the direction of movement of the monorail.
  • the flanges can be parallel.
  • a flange meets a bump
  • the front wheel of this flange rides on the bump and thanks to the rotation of the flange relative to the other, the four wheels remain in permanent contact with the tracks of the monorail.
  • the relative motion may include translation.
  • the relative movement of one flange with respect to the other makes it possible to obtain substantially a deformable parallelogram.
  • the first connecting means may comprise at least one connecting rod which extends from the first flange to the second flange.
  • the connecting rod is for example positioned at the front end or at the rear end of the carriage.
  • a connecting rod is a part with two joints, one at each end, for the purpose of transmitting force, motion or position.
  • the joint at each end of the connecting rod can be a pivot or a ball joint.
  • the chassis comprising a front part and a rear part following the direction of its movement on the monorail
  • the first connecting means may comprise a front connecting rod and a rear connecting rod, connecting the first flange to the second flange, respectively at the front and at the rear of the frame.
  • the first means may comprise two connecting rods at the front of the carriage and/or two connecting rods at the rear.
  • the role of a connecting rod(s) is to ensure parallelism between the two flanges while allowing relative movement between them and thus making it possible to obtain a deformable parallelogram and therefore keep the load carried by the carriage always vertical.
  • At least one connecting rod is linked to the first flange and/or to the second flange by a ball joint.
  • the first connection means comprise a central body, connected to the first flange and/or to the second flange by a pivot connection.
  • the swivel can be slippery.
  • the central body can also be connected to one of the flanges by a ball joint.
  • connection options, pivot, sliding pivot and/or ball joint make it possible to avoid an overload of pressure on the connecting rod and/or the central body, by authorizing additional movements, according to the direction of the force, exerted by the relative displacement of the flanges.
  • a load carrying member can be partly arranged in the central body, said member having a lower end intended to carry a load and an upper end connected to the central body by second connecting means.
  • the second connecting means can comprise a universal joint.
  • This articulation also makes it possible to maintain the transported load in its vertical frame of reference, whatever the position of the wheels in space. Indeed, when the carriage encounters a variation in height of the rolling track, for example at a junction, the relative position of the two flanges changes. For example, the front of the two flanges goes up the step before being joined by the rest of the carriage. The other possibility is that the step is only on the side of one of the flanges, consequently the latter goes up or down with respect to the other flange. In both cases, without the ball joint, the load suspension member would be in an inclined position. However, thanks to the universal joint, the lower part of the member can return to the vertical position.
  • the second connecting means may comprise a circular ball bearing allowing rotation of the load bearing member relative to the central body.
  • This stop contributes to maintaining the transported load in its vertical frame of reference.
  • the rotation of the load bearing member with respect to the central body makes it possible to adjust the position of the axis of the universal joint, when the relative position of the flanges changes. It thus facilitates the straightening of the lower part of the body, so that the load always remains evenly distributed between the wheels of the trolley.
  • the load transport carriage being intended to run on a monorail having an I-shaped section, with a lower flat part and an upper flat part connected by a rising part, the lower flat part defining on its upper face two rolling tracks, separated by the rising part.
  • each flange of the carriage can also carry one or more guide roller(s) intended to roll on the rising part of the monorail or on the outside of one of the flat parts.
  • the rising part is also called the core of the profile and the flat parts of the flanges of the profile.
  • the shape of the I-shaped monorail and the arrangement of the rolling tracks in its lower part allows the carriages to roll inside the monorail and not on the top as described previously for the profiled rails. extruded aluminum.
  • This arrangement therefore makes it possible to obtain a compact assembly, comprising a running track on an I-shaped monorail and transport carriages, as described above.
  • the assembly described here is particularly suitable as an overhead conveying solution for handling under a reduced building height.
  • the monorail 20 has an I-shaped section, with a lower flat part 201 and an upper flat part 202, connected by a rising part 203, the lower flat part defining on its upper face two rolling tracks 204, 205, separated by the rising part 203.
  • the conveyor carriage 1 comprises a frame 2 having a first flange 3 and a second flange 4, facing the first flange 3, as seen in the figure 4 .
  • Each of the flanges 3, 4 carries two wheels 5, 6, 7, 8 on its upper part. These wheels are intended to roll on the rolling tracks 204, 205 of the monorail to transport a load carried by the load-carrying member 11 from one point to another of the monorail 20.
  • Each flange of the carriage can also have a guide roller 10, intended to roll on the rising part 203 of the monorail. In the example illustrated, each flange has a guide roller 10 at the front and another at the rear.
  • the wheels of the carriage can pass through zones comprising geometric dispersions, in particular at the level of the junctions.
  • the first flange 3 is linked to the second flange 4 by first means connection which allow a relative movement of a flange 3, 4 with respect to the other.
  • This relative motion can be a rotational movement. It may optionally include a translation.
  • chassis can, for example, reproduce a system close to a deformable double parallelogram.
  • the first flange 3 is connected to the second flange 4 by two connecting rods 9 at the front and two other connecting rods 9 at the rear of the frame 2.
  • the connecting rods 9 are connected to the frames by links ball type 91, so as to avoid overpressure.
  • a connecting rod at the front or at the rear may suffice, for example if the carriage comprises a central body connected to each of the flanges by a pivot or sliding pivot connection.
  • the figure 5 is a front view along the X axis showing only the lower part of the carriage.
  • the connecting rods 9 are not shown to facilitate understanding.
  • the figure 6 shows a top view of the lower part of the carriage.
  • the carriage 1 also comprises a central body 12, hollow, connected to the first flange 3 and to the second flange 4.
  • the central body 12 can be linked to the first flange 3 by a ball joint 121 and to the second flange 4 by a pivot connection 122.
  • the connection may be a pivot connection with one of the flanges and a sliding pivot with the other.
  • the elements 13 are optional safety elements, arranged between each flange and the central body. They are fixed to the flanges 3, 4, but not to the central body 12 in which a respective opening is provided for the passage of each element 13. The dimension of said opening is chosen so that the relative movement of the flanges is not impacted.
  • the load carrying member 11 is partly arranged in the central body 12.
  • the member 11 has a lower end 113 intended to carry a load and an upper end 114 connected to the central body 12, so as to form a connection of the gimbal type.
  • the element 15 is an optional abutment, serving to limit the rotation of the member 11 with respect to the central body 12. In addition, it serves as an element safety palliating a possible loss of connection between one of the organs 11, 12, 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
EP22152049.7A 2021-01-19 2022-01-18 Wagen zur luftbeförderung von lasten Pending EP4029821A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2100478A FR3118959A1 (fr) 2021-01-19 2021-01-19 Chariot de convoyage aerien de charges

Publications (1)

Publication Number Publication Date
EP4029821A1 true EP4029821A1 (de) 2022-07-20

Family

ID=75539485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22152049.7A Pending EP4029821A1 (de) 2021-01-19 2022-01-18 Wagen zur luftbeförderung von lasten

Country Status (2)

Country Link
EP (1) EP4029821A1 (de)
FR (1) FR3118959A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE247498C (de) * 1911-01-05 1912-05-31
JPS4876658U (de) * 1971-12-23 1973-09-21
JPS5546413U (de) * 1978-09-20 1980-03-26
US5664502A (en) * 1994-07-27 1997-09-09 Westinghouse Electric Corporation Wheel assembly capable of maintaining engagement with a rail having an uneven portion therein
EP0802148A1 (de) * 1996-04-19 1997-10-22 MANNESMANN Aktiengesellschaft Fahrwerk, insbesondere für Kettenzüge, Lastaufnahmemittel und/oder Schleppkabel
US7798068B2 (en) 2008-02-05 2010-09-21 Daifuku Co., Ltd Friction drive trolley conveyor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE247498C (de) * 1911-01-05 1912-05-31
JPS4876658U (de) * 1971-12-23 1973-09-21
JPS5546413U (de) * 1978-09-20 1980-03-26
US5664502A (en) * 1994-07-27 1997-09-09 Westinghouse Electric Corporation Wheel assembly capable of maintaining engagement with a rail having an uneven portion therein
EP0802148A1 (de) * 1996-04-19 1997-10-22 MANNESMANN Aktiengesellschaft Fahrwerk, insbesondere für Kettenzüge, Lastaufnahmemittel und/oder Schleppkabel
US7798068B2 (en) 2008-02-05 2010-09-21 Daifuku Co., Ltd Friction drive trolley conveyor

Also Published As

Publication number Publication date
FR3118959A1 (fr) 2022-07-22

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