EP3786390B1 - Appareil isolé destiné au dosage du béton - Google Patents

Appareil isolé destiné au dosage du béton Download PDF

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Publication number
EP3786390B1
EP3786390B1 EP19194202.8A EP19194202A EP3786390B1 EP 3786390 B1 EP3786390 B1 EP 3786390B1 EP 19194202 A EP19194202 A EP 19194202A EP 3786390 B1 EP3786390 B1 EP 3786390B1
Authority
EP
European Patent Office
Prior art keywords
opening
receptacle
hydraulic
attachment
metering
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
EP19194202.8A
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German (de)
English (en)
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EP3786390A1 (fr
Inventor
Leo Seibel
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.)
Seibel Vera
Original Assignee
Seibel Vera
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 Seibel Vera filed Critical Seibel Vera
Priority to EP19194202.8A priority Critical patent/EP3786390B1/fr
Priority to DE202019106419.6U priority patent/DE202019106419U1/de
Publication of EP3786390A1 publication Critical patent/EP3786390A1/fr
Application granted granted Critical
Publication of EP3786390B1 publication Critical patent/EP3786390B1/fr
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    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3654—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with energy coupler, e.g. coupler for hydraulic or electric lines, to provide energy to drive(s) mounted on the tool

Definitions

  • the invention relates to a hydraulic attachment for a carrier device in the form of an excavator, which can be mechanically connected to the carrier device by a receptacle and hydraulically and is used for processing free-flowing building materials.
  • An attachment is an additional tool for construction machinery as a carrier device.
  • a construction machine can perform a variety of work processes. They are available for a range of devices, such as hydraulic and cable excavators as well as wheel loaders and bulldozers in various construction and performance classes. As a rule, these are shovels, forks or hydraulic hammers, which are connected to the hydraulic grabs of the construction machinery without significant play.
  • the change between the individual attachments can be made either manually or mechanically or hydraulically with the help of quick-change devices.
  • a concrete bucket or crane bucket is a funnel-shaped container that can be used to transport and distribute fresh concrete on a construction site. Is on the bucket A hose attached to reduce the fall height is also referred to as a hose bucket. This is swinging attached to a rope.
  • concrete buckets e.g. from a truck mixer or a concrete mixing plant
  • the concrete buckets which have a capacity of between 200 and 2000 liters, are usually moved by crane within a construction site.
  • the pamphlets WO 2016004479A1 , US20070160452A1 , JP358150051U , FR2609697A1 show attachments for construction machines that are used for concrete processing.
  • the BE 628891A shows an attachment whose mount is swingingly attached to the side walls.
  • the object is achieved by a hydraulic attachment for a carrier device, which can be mechanically connected to the carrier device by a receptacle and hydraulically.
  • the carrier device is an excavator with a corresponding mount to which the attachment can be attached in a mechanically stable and adjustable manner can.
  • Excavators usually have hydraulically driven arms or booms that allow the attachment to be precisely aligned because there is a positive connection.
  • the attachment can be aligned in several dimensions.
  • the attachment includes a receiving container for flowable building materials, in particular concrete, with an inlet opening for filling in the flowable building material and with a dosing opening for letting out the flowable building material.
  • the metering opening is controlled by a hydraulic opening drive to allow hydraulic opening and closing.
  • the hydraulic opening drive is usually connected to a hydraulic circuit of the carrier device via a hydraulic quick coupling/connector, so that the driver of the carrier device can achieve hydraulic opening and closing by controlling the hydraulic circuit.
  • the opening drive can thus be controlled by the carrier device.
  • excavators have freely available hydraulic circuits that are used, for example, for hammers or deflectable shovels. This hydraulic circuit can then be used to achieve hydraulic opening and closing of the metering orifice.
  • the attachment With the help of the mount, the attachment is firmly and positively (in the sense of not dangling) connected to a boom of the excavator, so that the movements of the boom have a direct effect on the attachment, and the position of the attachment can therefore be changed exactly.
  • This allows the attachment to be guided with its dosing opening exactly over a formwork, for example, and then to be inclined there.
  • the free-flowing building material can then flow out of the dosing opening in a controllable quantity and speed.
  • the attachment To fill up the attachment, it is set down on the ground, for example.
  • the inlet opening is then aligned horizontally so that the concrete can be tipped into the receiving container from above.
  • the axes pass through the center of the two openings at an angle of at least 30 degrees and preferably 90 degrees to one another.
  • the inlet opening extends horizontally, while the axis through the center of the opening runs vertically.
  • the metering hole opening is vertical and the axis through the center of the metering hole is horizontal.
  • the base plate of the receptacle is also arranged horizontally when the attachment is placed on the ground. The receptacle is attached to the top of the receptacle.
  • the excavator is thus enabled to place the container stably on the ground, the container in this position having an elongate shape according to the invention, the longer side of which extends parallel to the ground.
  • the container can be set down stably on the ground, so the excavator can guide the attachment from above towards the ground and set it down there.
  • the receptacle is elongate and has at least two end faces and one or more peripheral side walls which are larger than the end face in order to delimit the elongate receptacle.
  • the side walls can be round or canted in segments.
  • the cross section of the receiving container can be round, square, hexagonal or have more than six corners in relation to a section through the side walls parallel to the end walls. The edging increases the stability of the receptacle and ensures that the concrete flows together towards the bottom.
  • the inlet opening is formed on one of the larger peripheral side walls and the dosing opening is formed on one of the end faces.
  • the receptacle is tapered in at least one dimension in the direction of the dosing opening, so that the free-flowing building material collects and flows out together. In one possible embodiment, it tapers both vertically downwards and horizontally in the direction of the dosing opening. This means that when filling, the concrete collects in the center in the lower area and then flows off in a funnel shape in the direction of the dosing opening when tilted.
  • leveling feet are provided which are designed so that the inlet opening extends horizontally when the attachment is placed on the leveling feet, so that filling from above the inlet opening into the receptacle is possible.
  • the Leveling feet are preferably arranged on the underside of the elongated side wall.
  • the adjustable feet can also be adjustable skids, which extend laterally below, so that when the receptacle is set down, it stands stable on the ground. The skids can also be used to pull the attachment over the ground.
  • the runners are formed laterally below the receiving container, so that tipping about the central axis is avoided. In a preferred embodiment, these are set at an angle to enable a stable hold
  • handles are provided, which are preferably arranged on two sides of the receptacle, so that transport is made possible by lifting on both sides, in particular when the attachment is parked on the adjustable feet. This is to ensure that two or four construction workers can carry the attachment. It should be noted here that carrying is of course only possible if there is no concrete in the receptacle.
  • an inlet funnel which surrounds the inlet opening in order to achieve better filling of the free-flowing building material. It is also conceivable that this inlet funnel can be folded or rotated and at the same time serves to close the opening. It is also conceivable that there is also a closure for the inlet opening. This should preferably be locked manually.
  • the inlet funnel can also be attached so that it can be assembled and disassembled as required.
  • the hydraulic opening drive for the dosing opening is a slide that is hydraulically pushed in front of the opening or pulled away from it.
  • This slide is preferably guided laterally in two U-shaped guides and is pushed up or down from above by a hydraulic cylinder.
  • the hydraulic cylinder is preferably arranged above the slide.
  • the slide is made of hardened material with sharp edges.
  • the underside of the opening, on which the sheep edge of the slider presses, is also made of hardened steel and/or thicker material than the outer skin. This is to ensure that the slider crushes or cuts the material when it closes. This is to ensure that a tight seal is achieved when the gate is in a closed position. Pebbles or other solid materials that are below the slider are broken up or split. Alternatively, sealing lips are also conceivable.
  • the dosing opening is followed by an outlet funnel, which limits and/or directs an outflow of the free-flowing building material.
  • the hopper narrows to concentrate the concrete that exits the metering orifice.
  • the outlet funnel can be variably adjusted.
  • the side walls of the funnel are movably arranged on a lower plate and can thus be pushed together or pushed apart.
  • the funnel to be detachably attached to the dosing opening so that it can be inserted or removed as required.
  • a hose connection is formed on the dosing opening or the outlet funnel, which allows the connection of a hose, so that the free-flowing building material can be guided into a hose via the hose connection after exiting through the dosing opening.
  • the hose can then, for example, be variably guided by construction workers into the formwork that is located below the receptacle. By appropriately tilting the attachment, the concrete can then be poured through the hose into the formwork.
  • the receptacle is reinforced from the inside by struts.
  • the horizontal and/or vertical struts within the receiving container stabilize the receiving container against compression and warping.
  • the struts are welded or screwed to the inner walls.
  • a robust design can be achieved as a result.
  • the struts are round and made of tubing or solid material.
  • a series of struts can be arranged vertically within the receptacle.
  • crossing struts can be arranged horizontally in the receptacle.
  • the receptacle is preferably designed for a quick coupler.
  • Possible quick couplers are Lehnhoff MSxx, where xx are gauges for the sizes.
  • the receptacle preferably comprises one or more mounting plates secured to at least one of the side walls of the receptacle substantially parallel to the axis through the metering opening. This makes it possible for the receiving container to be tiltable by the carrier device at an angle of at least 60 degrees in relation to the axis through the dosing opening.
  • the receptacle should be positioned so that the inlet opening can be positioned horizontally to the ground to allow concrete to be poured.
  • the dosing opening should also be able to be aligned horizontally by tilting it accordingly, preferably by 90°.
  • the receptacle is arranged laterally offset from the inlet opening, so that the boom of the excavator is not obstructed when filling.
  • the receptacle is designed to be rotatable, so that the receptacle can be rotated parallel to the axis through the inlet opening.
  • the rotation can be done manually or also by another hydraulic drive. So it is conceivable that a further circuit is provided for the rotation. Or it is conceivable that the circuit can be switched between rotation and opening and closing of the dosing opening. As a rule, this is conceivable because the attachment is aligned in a first step. After this has been aligned, the metering opening can then be opened and closed by switching over the hydraulic circuit.
  • figure 1 shows a perspective view of a hydraulic attachment 1 with a receptacle 2 and two openings 4, 5, the metering opening 5 being closed by a slide 16.
  • the slide is moved up and down by a hydraulic opening drive 6, which is preferably designed as a hydraulic cylinder, in order to open or close the dosing opening 5.
  • the hydraulic cylinder is connected to the construction machine (not shown) via two connections.
  • the hydraulic cylinder is opened or closed by appropriate hydraulic circuits, which can be activated separately by the construction machine, and this means that the slide is moved up and down.
  • the slider will held laterally in U-shaped guides so that it can be guided safely.
  • the lower edge of the slider is sharpened and designed like a knife in order to also cut through small stones or chunks when it is pushed down.
  • the base of the receptacle 3 is also reinforced in this area in order to prevent the base from being pushed through and deformed.
  • hardened steels or thicker steels can be considered.
  • the receptacle according to figure 1 is hexagonal (hexagonal) along its side walls 9 and has corresponding end faces 7 and 8.
  • the dosing opening is arranged on the end face 7.
  • the six-cornered cross-sectional shape of the receptacle ensures that the concrete flows together downwards and then flows out of the dosing opening in a concentrated and centered manner.
  • a receptacle 2 is arranged on the upper side of the receptacle, which enables a connection to a quick coupler 17 .
  • the connection is so stable that the attachment 1 is firmly connected to the quick change without significant play.
  • Corresponding quick-changes are also used for shovels or jackhammers in order to establish a positive and firm connection with the construction equipment or the excavator.
  • the representation in figure 1 also shows that the axes are at substantially right angles to each other centrally through the openings. Other angles are also conceivable, but an angle of between 30°-90° should be preferred so that on the one hand easy filling can take place and on the other hand sufficient rotation along the receptacle is made possible.
  • the right angle is advantageous when the axis of the inlet opening is aligned vertically in the parked state, so that the inlet opening itself is horizontal. In this state, the metering orifice is vertical with the axis through the metering orifice being horizontal. With a corresponding arrangement, it is possible for the attachment to be parked on the ground and simply filled with concrete from above.
  • the concrete can be dosed in a controlled manner by tilting it slightly in the direction of the dosing opening.
  • the angle of inclination which can be set using the excavator arm, the flow rate of the concrete increases.
  • the speed and the amount of concrete flowing out can be controlled. It is thus possible to let concrete flow into formwork that is designed to be particularly narrow and that is arranged in impassable locations or constantly changing locations. In road construction in particular, it can thus be achieved that concrete can be poured in and dosed quickly into formwork without setting up a crane. So that the narrow circuits can also be filled safely, the dosing opening also has an outlet funnel, which further concentrates the escaping concrete.
  • This outlet funnel can be designed to be exchangeable or the side plates of the outlet funnel can be variably adjusted so that the width of the outlet can be regulated accordingly. It is also possible that instead of the outlet funnel or following the outlet funnel, a hose connection (not shown) is formed, which allows the concrete to exit through the hose connection into a connection connected to it Hose (not shown) allows. In this case, too, very precise dosing and filling are possible.
  • the corresponding closures and exchange options and adjustment options for the outlet funnel ensure that the attachment can be adapted to different situations in the shortest possible time so that it can be used accordingly.
  • a quick coupler 17 is latched into the mount 2 .
  • the quick coupler grips under a shaft and is bolted into recesses on the rear. This is also a Lehnhoff system.
  • the inlet funnel also tapers along the end face 8 .
  • the end face 8 is designed to taper obliquely downwards in order to direct the inflowing concrete into the middle of the receptacle 3 . It is also intended to ensure that a one-sided load or excessive overweight is not to be generated on one side.
  • the metal sheets of the receiving container are preferably edged accordingly in order to then be welded at the interfaces. It should be noted here that the sheet metal should not be too strong, so as not to generate too much weight.
  • the thin sheet metal has certain disadvantages, since the receptacle can be severely deformed when the attachment is placed and lifted.
  • respective horizontal and vertical struts 15, 16 are provided which are regularly spaced inside the receptacle and which thus reinforce the receptacle. So that compression and deformation is avoided while maintaining a thinner sheet metal forming the receptacle.
  • figure 3 12 which shows a front view of the attachment from the inlet funnel side, that there are adjustable feet 10 that prevent sideways tipping.
  • adjustable feet are preferably designed to be sufficiently spread apart from one another and can also be designed as skids in the preferred embodiment. These runners allow the attachment to be pulled across the ground, for example by another piece of construction equipment or by construction workers who grip the handles 11 from the side in order to align the corresponding unit or move it to its destination.
  • the adjustable feet 10 preferably extend at least in line with or further away from the outermost edge formed by the side walls, so that the center of gravity is sufficiently secured.
  • the figure 4 shows the invention in plan view with the receptacle 2 of the inlet opening 4, the inlet funnel 12 and the corresponding outlet funnel 14.
  • the hydraulic opening drive is not shown here.
  • figure 5 shows the invention from the end face 7 with the slider 16 and the outlet funnel 14.
  • the opening drive is also not shown here.

Claims (11)

  1. Accessoire hydraulique (1) pour un engin porteur, sous la forme d'une pelleteuse avec un bras, qui peut être relié mécaniquement par un logement (2) et hydrauliquement à l'engin porteur, le logement (2) permettant une liaison par complémentarité de forme et fixe avec la pelleteuse, de sorte que le mouvement du bras agit directement sur l'accessoire et que la position de l'accessoire peut ainsi être modifiée avec précision, un récipient de réception (3) pour des matériaux de construction fluides, en particulier du béton, avec une ouverture d'entrée (4) pour le remplissage du matériau de construction fluide et avec une ouverture de dosage (5) pour la sortie du matériau de construction fluide, l'ouverture de dosage étant commandée par un entraînement d'ouverture hydraulique (6) pour permettre une ouverture et une fermeture hydrauliques, l'entraînement hydraulique d'ouverture pouvant être relié à l'appareil porteur et commandé par celui-ci, et l'appareil rapporté pouvant être modifié dans sa position par le logement, de sorte que le matériau de construction fluide peut s'écouler de l'ouverture de dosage de manière contrôlable en quantité et en vitesse, dans lequel le récipient de réception est allongé et comprend au moins deux faces frontales (8, 9) et une ou plusieurs parois latérales périphériques (9) plus grandes par rapport à la face frontale, afin de délimiter le récipient de réception allongé, dans lequel l'ouverture d'entrée est formée sur l'une des parois latérales périphériques plus grandes ou sur l'une des parois latérales périphériques plus grandes, et l'ouverture de dosage est formée sur l'une des faces frontales, dans lequel les ouvertures sont disposées de telle sorte que les axes des ouvertures sont disposés par le centre à un angle d'au moins 30 degrés et de préférence de 90 degrés les uns par rapport aux autres, et dans lequel le logement est décalé latéralement par rapport à l'ouverture d'admission sur la face supérieure de l'accessoire, de sorte que lors du remplissage, le bras de l'excavateur ne gêne pas, un entonnoir d'admission (12) entourant en outre l'ouverture d'admission pour obtenir un meilleur remplissage du matériau de construction fluide.
  2. Accessoire hydraulique selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le récipient de réception est conçu de manière à se rétrécir au moins dans une dimension en direction de l'ouverture de dosage, de sorte que le matériau de construction fluide s'accumule et s'écoule ensemble.
  3. Accessoire hydraulique selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la section transversale du réservoir de réception, par rapport à une coupe des parois latérales parallèles aux parois d'extrémité, est ronde, carrée, hexagonale ou comporte plus de six coins.
  4. Accessoire hydraulique selon l'une ou plusieurs des revendications précédentes, caractérisé par des pieds de réglage (10) qui sont formés de telle sorte que l'ouverture d'admission s'étend horizontalement lorsque l'accessoire est placé sur les pieds de réglage, de manière à permettre un remplissage depuis le dessus de l'ouverture d'admission dans le récipient de réception, et/ou
    par des poignées de maintien (11) qui sont disposées de préférence sur deux côtés du récipient de réception, de sorte qu'un transport par soulèvement des deux côtés est possible, en particulier lorsque l'équipement est posé sur les pieds de réglage.
  5. Accessoire hydraulique selon une ou plusieurs des revendications précédentes, caractérisé en ce que le logement est de préférence conçu pour une attache rapide.
  6. Accessoire hydraulique selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le réceptacle comprend une ou plusieurs plaques de fixation (13) qui sont fixées à au moins l'une des parois latérales du réceptacle sensiblement parallèlement à l'axe passant par l'ouverture de dosage, de sorte que le réceptacle peut être incliné par rapport à l'axe passant par l'ouverture de dosage au moins selon un angle de 60 degrés par l'engin porteur.
  7. Accessoire hydraulique selon l'une ou plusieurs des deux revendications précédentes, caractérisé en ce que le réceptacle est conçu pour tourner, de sorte que le réceptacle peut tourner parallèlement à l'axe à travers l'ouverture d'admission.
  8. Accessoire hydraulique selon l'une ou plusieurs des deux revendications précédentes, caractérisé en ce que l'entraînement hydraulique d'ouverture pour l'ouverture de dosage est un coulisseau (16) qui est poussé hydrauliquement devant l'ouverture ou qui est retiré de celle-ci.
  9. Accessoire hydraulique selon une ou plusieurs des deux revendications précédentes, caractérisé en ce qu'un entonnoir de sortie (14) se raccorde à l'ouverture de dosage, qui limite et/ou oriente un écoulement du matériau de construction fluide.
  10. Accessoire hydraulique selon l'une ou plusieurs des deux revendications précédentes, caractérisé en ce qu'un raccord de tuyau se trouve sur l'ouverture de dosage ou la trémie de sortie, qui permet le raccordement d'un tuyau, de sorte que le matériau de construction fluide peut être guidé dans un tuyau via le raccord de tuyau après être sorti par l'ouverture de dosage.
  11. Accessoire hydraulique selon une ou plusieurs des revendications précédentes, caractérisé par des entretoises (15) s'étendant horizontalement et/ou verticalement à l'intérieur du réservoir de réception, qui stabilisent le réservoir de réception contre la compression.
EP19194202.8A 2019-08-28 2019-08-28 Appareil isolé destiné au dosage du béton Active EP3786390B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19194202.8A EP3786390B1 (fr) 2019-08-28 2019-08-28 Appareil isolé destiné au dosage du béton
DE202019106419.6U DE202019106419U1 (de) 2019-08-28 2019-11-18 Anbaugerät zum Dosieren von Beton

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19194202.8A EP3786390B1 (fr) 2019-08-28 2019-08-28 Appareil isolé destiné au dosage du béton

Publications (2)

Publication Number Publication Date
EP3786390A1 EP3786390A1 (fr) 2021-03-03
EP3786390B1 true EP3786390B1 (fr) 2022-11-16

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EP19194202.8A Active EP3786390B1 (fr) 2019-08-28 2019-08-28 Appareil isolé destiné au dosage du béton

Country Status (2)

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EP (1) EP3786390B1 (fr)
DE (1) DE202019106419U1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE628891A (fr) *

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924761Y2 (ja) * 1982-09-01 1984-07-21 敏夫 古川 生コンバケツト
FR2609697B3 (fr) * 1986-09-22 1989-01-20 Thiere Sarl Ets Benne a goulotte horizontale
US7314342B2 (en) * 2006-01-09 2008-01-01 Kerwin Steven M Cement hopper attachment for skid steer loader
AU2015286227B2 (en) * 2014-07-11 2017-08-17 Undercon Pty Ltd Concrete kibble

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE628891A (fr) *

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DE202019106419U1 (de) 2020-01-07
EP3786390A1 (fr) 2021-03-03

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