EP3081716A1 - Liegender betonkübel, dessen untergestell eine wiederaufnahme dieses kübels mit der gabel eines gabelstaplers ermöglicht - Google Patents

Liegender betonkübel, dessen untergestell eine wiederaufnahme dieses kübels mit der gabel eines gabelstaplers ermöglicht Download PDF

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Publication number
EP3081716A1
EP3081716A1 EP16290070.8A EP16290070A EP3081716A1 EP 3081716 A1 EP3081716 A1 EP 3081716A1 EP 16290070 A EP16290070 A EP 16290070A EP 3081716 A1 EP3081716 A1 EP 3081716A1
Authority
EP
European Patent Office
Prior art keywords
bucket
concrete
base
ground
forks
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
EP16290070.8A
Other languages
English (en)
French (fr)
Inventor
Bertrand Gilles
Guillaume Gilles
Pierre-André Gilles
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.)
Secatol SAS
Original Assignee
Secatol 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 Secatol SAS filed Critical Secatol SAS
Publication of EP3081716A1 publication Critical patent/EP3081716A1/de
Pending legal-status Critical Current

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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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/025—Buckets specially adapted for use with concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/19—Additional means for facilitating unloading

Definitions

  • the present invention relates to a concrete site container, the type of dumped bed, intended in particular for transporting and pouring concrete into formwork, and it more particularly relates to a superstructure dump specifically adapted for recovery by the forks of a trolley elevator.
  • Some sites using concrete for example for the construction of buildings or engineering structures, use skips which have at their upper part a wide opening allowing them to receive the concrete, said wide opening overlooking a body made of concrete.
  • a frustoconical or truncated-pyramidal hopper shape whose inclined edges converge downwards in order to direct the concrete towards the center where there is a chute equipped with a shutter, forming a maneuverable hatch under the control of a site manager .
  • the control of the erasure of such a flap results in a free flow of concrete in a flexible pipe which is placed under the chute and which leads the concrete to a formwork, also called here, in which the concrete takes the desired form.
  • Concrete bins have, generally in the upper part, hooking means for suspending them to a crane, to successively present them to the device delivering the concrete, which may be a truck or a concrete mixer plant installed on site, then present them above the formwork receiving this concrete then flowing from the hose after the opening of the hatch has been ordered.
  • the hopper constituting the body of the bucket is frustoconical or truncal-pyramidal, said hopper is always associated with a base which is the means by which the bucket rests on the ground when it is not in use.
  • skips There are two main types of skips, the so-called “straight” skips and the so-called “dump” skips that can be distinguished by the relative disposition of their bodies and their legs.
  • a bucket is called "right" when the general direction according to which its base extends is vertical.
  • the axis of symmetry of the body of such a bucket is then also vertical or substantially vertical when said bucket rests on the ground by its base.
  • the latter is usually composed of four vertical pillars connected at least two by two at their lower ends and the body of the bucket is supported by the high ends of the pillars.
  • the axis of symmetry of the body of such a bucket is horizontal or very slightly inclined to the horizontal when said bucket rests on the ground by its base.
  • This low inclination of the axis of symmetry of the body of the bucket is obtained by the provision of a base having the general shape of a sled, ie two rectilinear pads arranged essentially under the body of the bucket and two rounded spatulas each arranged in the extension of a rectilinear pad, the roundings of said spatulas originating substantially at the maneuverable hatch which equips the lower part of the body of the bucket and ending above the operating device of such a hatch, this in order that the spatulas define between them two a space containing all the mechanisms whose maneuver allows to evacuate the concrete stored in the body of the bucket.
  • Such a construction guarantees a relative protection of said mechanisms by avoiding direct shocks that would damage or even interfere with their proper functioning.
  • Another definition that can characterize a bucket called “lying down” is that, when the bucket is suspended from the cable of a crane that lifted it, so in the so-called working position "in service”, it then occupies a position different from the one it occupied when it was placed on the ground, that is to say in the rest position, which was still "out of service”; the body of the bucket has gradually recovered under the action of the crane and the axis of symmetry of its body occupies a substantially vertical position as soon as the base of the bucket is no longer in contact with the ground.
  • the sled base of this bucket is on one side of his body a support plane for placing this side to the ground, the axis of symmetry of the body of the bucket, considered from its upper part to its lower part, then presenting a slight inclination towards the ground.
  • the base actually comprises two parallel pads each disposed in a substantially vertical plane, symmetrically with respect to the axis of symmetry of the body of the bucket.
  • the weight of a dumper lying empty is of the order of a few hundred kilograms, and this weight can be increased to a few tons when the bucket is filled with concrete.
  • Each concrete bucket is therefore one and the same set.
  • a solution found in most cases is to engage the forks in the upper opening of the bucket placed on the ground, then to raise these forks so that they come into contact with the inner wall of the body of the bucket, and to continue this lift to lift the bucket and move it.
  • a solution for attaching the truck to the forks of the carriage is relatively unstable. During a jolt, for example when the truck rolls on uneven ground, it can have a slip of the bucket, which escapes the forks of the truck, then a tilting followed by a fall can cause accidents.
  • the present invention is intended in particular to eliminate all the disadvantages of the prior art.
  • a concrete dump of the "recumbent" type of construction the body of which has an upper filling opening and a lower part forming a trough terminating at the base by a dump system, said body receiving on one of its sides a base forming a support plane allowing to sleep the body of the bucket when it rests on the ground, said base comprising two sections each having a rectilinear part, forming the ground support plane of the dump body extended by a rounded portion which covers the emptying system, said body further comprising at its upper part means for gradually inclining the bucket so that it moves from its so-called working position to its so-called rest position, and conversely to gradually raise the bucket so that it moves from its rest position to its working position in which it can then be moved and brought to the point of the site where it should be emptied of its concrete, said bucket being characterized in that its base comprises at least one set of openings forming two parallel passages arranged in the same horizontal plane when the bucket rests on the ground, intended to
  • An advantage of this concrete bin of the recumbent type is that, in a simple and economical way, by performing on the base parallel passages by cutouts or by inserts, it provides a means for quick and safe grabbing of the bucket by two forks of a forklift that are easily engaged in these passages by advancing the carriage.
  • the first device referred to above relates to a bucket used on small sites and which is capable of performing multiple operations, and in particular: the scraping of the ground to fill in aggregates that will then pour into a concrete mixer to which one then add binders such as cement, recovery under concrete mixer, or mortar obtained after mixing and distribution on site, at the desired point, the concrete or mortar. All these operations and movements are carried out while the bucket is carried by the forks of a forklift that has been introduced into sheaths equipping the bucket.
  • the bucket is pivotally mounted between said sleeves and furthermore, to perform the operations for which it is intended, the bucket must imperatively pass from the horizontal position to the vertical position, and vice versa.
  • the aforementioned device is composed of two subassemblies articulated to each other, while the bucket according to the invention constitutes a single set.
  • the aforementioned device has only one means for handling, namely the sleeves that receive the fork of the truck, when scraping the ground, and then it is raised and moved to the concrete mixer for there empty its contents, then it is tilted 180 ° to be filled with concrete, then it is moved again to distribute its concrete.
  • the bucket according to the invention differs from this device in that it comprises two means for handling, a main means disposed in the upper part of the body of the bucket and thanks to which, following a recovery by a crane, the bucket moves from its rest position to its working position, and vice versa, and an auxiliary means, namely the sleeves for the recovery of the skip exclusively on the ground.
  • the second device mentioned above relates to a truck type truck mounted on a chassis and rotatable on this frame.
  • the frame is also a subset, and it is this subassembly which, as for the first device, is equipped with the sleeves constituting the sole means of handling of all the two subsets constituted of the tank and the frame.
  • the concrete dump body according to the invention may further comprise one or more of the following features, which may be combined with one another.
  • each rectilinear part of its base comprises two bores aligned transversely to those of the other rectilinear part, to form two transverse parallel passages.
  • each section may have a cross section in the form of "T", the upper bar or head of this form being provided to be placed on the ground, the holes being then made in the vertical bar or core of this form.
  • the bucket resting on the ground the two parallel passages are positioned by placing the center of gravity of this bucket substantially in the middle of these two passages.
  • the base of the coated concrete bucket comprises two parallel passages arranged substantially in the longitudinal direction corresponding to that of the axis of symmetry of the body of the bucket.
  • the concrete bucket may comprise a reinforcing sheet connecting the base to the opposite side of the body of the bucket, said sheet having two openings forming part of two longitudinal parallel passages.
  • the base may also include a cross member connecting its two rectilinear parts near the birth of the rounded portions, said cross member being disposed substantially at the height of the openings when the bucket rests on the ground so that the forklift forks bear on said cross at the same time as they enter these openings.
  • the base may comprise two guide tubes arranged horizontally when the bucket rests on the ground, forming the parallel passages intended to receive the forks inside.
  • the tubes advantageously have a rectangular section laid flat when the bucket rests on the ground, receiving the forks tightly.
  • the free ends of the profiled rectilinear parts of the base of the dump bed are each constituted by a rectangular or square section tube whose opening and length are such that the forklift forks can engage in the rearmost extremal parts of the leg.
  • the Figures 1, 2 and 3 therefore have a concrete dump type 2 called "lying" whose body comprises an upper portion of rectangular section comprising sides 4 formed by vertical plates, extending below by four inclined faces 6 converging down on a central opening equipped with a movable door 8 connected to an opening manual control lever 10 arranged opposite an inclined side face 6c.
  • side or front face 4a, 6a is indicated by the arrow denoted "AV", the rear face 4b, 6b being the bearing face of the dump lying on the ground.
  • the top of the bucket receives on each lateral face 4c a metal sheet 12 of triangular shape, the vertices of the two triangles thus formed being interconnected by a transverse bar 14 terminating at each end by a handling loop 16 for gripping by the cable of a crane.
  • the two loops 16 constitute the main means of lifting and handling of the dump body, that is to say the means allowing it to move from its rest position, still called “out of service” to that of work, still called “in service”, and vice versa.
  • the upper part of the bucket is then preferably closed off on the rear side by an inclined plate 18 connecting the upper transverse bar 14 to the rear vertical side 4b, this same upper part situated in the other side of said cross bar 14 having a wide opening 24 to allow the pouring of concrete in the body of the bucket.
  • the rear face 6b of the body of the bucket receives a base 30 allowing a landing on the ground of the bucket, which is thus lying on this face.
  • the base 30 has the general shape of a sled. It comprises two parallel sections 32 having a cross-section for example in the form of a "T", each upper transversal element of this "T" shape, also called head, being disposed outwards since it is this transverse element which is intended to be placed on the ground.
  • Each profile 32 has a rectilinear portion 34 forming accordingly, with the straight portion of the other section 32, the ground support plane of the superstructure, said rectilinear portions being able to approach towards the center of the bucket or be parallel .
  • the rectilinear portion 34 of each profile 32 is extended by a rounded portion 36, the two spatulas 36 thus formed allowing the gradual inclination of the skip suspended from the cable of the crane, to lie on the support plane of the base 30 ( transition from “in service” to “off” position), or conversely the gradual recovery of the dump body after it has been filled with concrete (changing from “off” to "in service” ").
  • the two sections 32 constituting the skids of the sled are interconnected by a transverse upper cross member 38 fixed on the rear vertical side 4b of the bucket, to strengthen it, and a lower cross member 40 attaching to these profiles in the vicinity of the birth their rounded parts 36.
  • each section 32 is closed on the front face of the bucket by a preferably tubular bar 42 which connects the free end of the rounded portion 36 in the middle of the front face of the body of the bucket; the bars 42 are welded to the ends of the rounded portions 36 and to the front face 6a of the bucket, preferably at a place where have been fixed plates 26 for reinforcing the front inclined face 6a of the bucket.
  • each profile 32 comprises two spaced rectangular holes 44, made in the vertical bar, also called the soul, of the "T" shape, coming as close as possible to the edge of the upper transverse bar still called the head of this T-shape, that is to say at the edge of the part of the T that comes to rest on the ground.
  • the holes 44 being made in identical positions on the two sections 32, two sets of two bores aligned transversely are thus constructed, forming two parallel passages of rectangular section which are very close to the ground when the bucket is in the supine position.
  • the bores 44 are positioned on the rectilinear part of each profile 32 so as to have the center of gravity of the superstructure body substantially in the middle of the two parallel passages thus produced.
  • the rear face of the bucket comprises at least one reinforcement plate 46 forming a strip disposed substantially transversely at mid-height of the inclined rear face 6b, which then has a large band 62 welded to this inclined face 6b and its two welded ends. each to a profile 32 of the base 30, to stiffen it.
  • the reinforcing plate 46 preferably comprises two rectangular holes 48 located near the ground in the same horizontal plane when the bucket is in the supine position.
  • the figures 4 and 5 have two forks 50 of forklift each inserted in a transverse passage formed by a set of two aligned holes 44, said forks each comprising a vertical rear portion 52, ending at the top with a hook 54 for attachment to the carriage, and a horizontal front portion 56 terminating in a point 58 formed by the underside of this horizontal portion which is then tapered.
  • the carriage can advance to the dump with its two forks 50 sliding on the ground, aligned with the holes 44.
  • the front ends 58 are automatically engaged in the holes 44 of the profiled shoe 32 closest, then in those of the profiled shoe 32 furthest away.
  • the driver can then lift these forks to move the bucket which remains particularly stable thanks to its center of gravity disposed between these two forks, and the provision of a sufficient spacing between the two sections 32, spacing which is therefore a little less than the standard fork length 50.
  • an auxiliary means of lifting and moving any superstructure without having to use the crane operator.
  • the figure 5 details the mass of the bucket represented by the arrow F applied to its center of gravity, which is balanced by the reaction forces F1 given by the forks 50 on each profiled shoe 32, with complete symmetry of the assembly providing stability.
  • the figures 6 and 7 present the two forks of the forklift truck 50 introduced longitudinally into the dump body while coming from the bottom of this dump while it rests on the ground, each forehead 58 entering a longitudinal passageway comprising first the passage over the lower cross member 40, then entering a hole 48 of the reinforcing plate 46. The driver of the lift truck can then lift the forks 50 of its carriage.
  • the figure 7 details the mass of the bucket represented by the arrow F applied on its center of gravity being in front of the reinforcing plate 46, mass which is balanced by the reaction forces before F2 of the forks 50 on this plate 46 directed upwards, and the rear reaction forces F3 of the forks on the lower crossbar 40, directed downwards.
  • the dump body according to the invention having both a possibility of transverse recovery and a possibility of longitudinal recovery, two auxiliary means for its lifting, such a construction greatly facilitates its handling on a storage area or its removal on a truck, allowing to take or store said bucket in various directions.
  • two auxiliary means for its lifting such a construction greatly facilitates its handling on a storage area or its removal on a truck, allowing to take or store said bucket in various directions.
  • making openings 44, 48 in profiles 32 or in existing plates 46 does not substantially change the price of the bucket.
  • the profiles 32 forming the base 30 may have other types of cross section, including a U-shaped section or "I", or a rectangular section.
  • the two transverse or longitudinal parallel passages arranged close to the ground when the bucket rests on the ground, may be made in different ways, for example by fixing on the bucket tubes of rectangular section laid flat, each constituting one of the guiding passages. a fork 50 on its length.
  • the figure 8 presents two such tubes 60 of rectangular section laid flat, interconnecting the holes 44 of the two profiles 32, adapted to receive the fork of the forklift truck 50 in a manner ensuring a good guidance of these forks.
  • such tubes 60 significantly strengthen the profiles 32 by linking them together.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
EP16290070.8A 2015-04-17 2016-04-18 Liegender betonkübel, dessen untergestell eine wiederaufnahme dieses kübels mit der gabel eines gabelstaplers ermöglicht Pending EP3081716A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1500815A FR3035135B1 (fr) 2015-04-17 2015-04-17 Benne a beton couchee dont le pietement permet une reprise de ladite benne par les fourches d'un chariot elevateur

Publications (1)

Publication Number Publication Date
EP3081716A1 true EP3081716A1 (de) 2016-10-19

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Family Applications (1)

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EP16290070.8A Pending EP3081716A1 (de) 2015-04-17 2016-04-18 Liegender betonkübel, dessen untergestell eine wiederaufnahme dieses kübels mit der gabel eines gabelstaplers ermöglicht

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EP (1) EP3081716A1 (de)
FR (1) FR3035135B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3385453A1 (de) * 2017-04-05 2018-10-10 MTS Maschinentechnik Schrode AG Bodenrecycler
US20250141834A1 (en) * 2023-10-26 2025-05-01 Infineon Technologies Ag Automatic address assignment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112112427A (zh) * 2020-10-09 2020-12-22 福州经济技术开发区星络网电子科技有限公司 一种楼梯的水泥浇筑设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51157125U (de) 1975-06-09 1976-12-14
FR2914291A1 (fr) 2007-03-26 2008-10-03 Christian Bourrel Dispositif de manutention d'agregats couple a un engin elevateur
FR2979623A1 (fr) 2011-09-06 2013-03-08 Secatol Dispositif detrompeur pour l'accrochage de moyens permettant le levage d'objets particulierement lourds et encombrants, en vue de leur deplacement, et objets equipes d'un tel dispositif detrompeur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51157125U (de) 1975-06-09 1976-12-14
FR2914291A1 (fr) 2007-03-26 2008-10-03 Christian Bourrel Dispositif de manutention d'agregats couple a un engin elevateur
FR2979623A1 (fr) 2011-09-06 2013-03-08 Secatol Dispositif detrompeur pour l'accrochage de moyens permettant le levage d'objets particulierement lourds et encombrants, en vue de leur deplacement, et objets equipes d'un tel dispositif detrompeur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3385453A1 (de) * 2017-04-05 2018-10-10 MTS Maschinentechnik Schrode AG Bodenrecycler
EP3385453B1 (de) 2017-04-05 2022-08-10 MTS Schrode AG Bodenrecycler
US20250141834A1 (en) * 2023-10-26 2025-05-01 Infineon Technologies Ag Automatic address assignment

Also Published As

Publication number Publication date
FR3035135B1 (fr) 2018-04-20
FR3035135A1 (fr) 2016-10-21

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