EP1293608A1 - Dispositif d'épandage de gravillons à l'arrière d'une benne basculante d'un camion - Google Patents

Dispositif d'épandage de gravillons à l'arrière d'une benne basculante d'un camion Download PDF

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Publication number
EP1293608A1
EP1293608A1 EP02292226A EP02292226A EP1293608A1 EP 1293608 A1 EP1293608 A1 EP 1293608A1 EP 02292226 A EP02292226 A EP 02292226A EP 02292226 A EP02292226 A EP 02292226A EP 1293608 A1 EP1293608 A1 EP 1293608A1
Authority
EP
European Patent Office
Prior art keywords
gravel
bucket
truck
roller
frame
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.)
Withdrawn
Application number
EP02292226A
Other languages
German (de)
English (en)
French (fr)
Inventor
Lionel Jean-Marc Chomat
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.)
Famaro SA
Original Assignee
Famaro SA
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 Famaro SA filed Critical Famaro SA
Publication of EP1293608A1 publication Critical patent/EP1293608A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C19/201—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels
    • E01C19/202—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels solely rotating, e.g. discharging and spreading drums
    • E01C19/2025—Throwers with substantially horizontal axis, e.g. drums or brushes rotated to fling the material at the surface
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C2019/2055—Details not otherwise provided for
    • E01C2019/207—Feeding the distribution means
    • E01C2019/2095—Feeding the distribution means by tipping
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/40—Working platform or walkway

Definitions

  • the invention relates to a device for spreading gravel with the back of a dump body of a truck used for spreading gravel on the surface of a surface to be coated, such as the surface of a road or motorway.
  • the dispensing flap is generally flat and generally comprises corridors making it possible to widen the gravelled area.
  • the hatches of the hatch assembly are articulated on a same horizontal shaft in transverse direction.
  • the hatches can be ordered individually or in groups for their opening and closing, using pneumatic cylinders which allow dispensing selective on the roller and an adjustment of the spreading width.
  • the transverse direction gravel roller which is rotatably mounted around its axis is rotated during the operation of the device by a hydraulic motor supplied from a hydraulic system of the truck carrying the bucket and the gravel spreader.
  • the speed of rotation of the hydraulic drive motor roller varies depending on the forward speed of the truck on the site.
  • the device further comprises a gateway on which is arranged the gravel driver's driving post which is hinged mounted on the frame of the gravel spreader and whose platform is placed in a layout horizontal using hydraulic cylinders, when using the gravel spreader.
  • the gravel spreader also has a dosing bar adjustable to limit the opening stroke of the hatches and therefore regulate the flow of gravel spilled on the distributor roller.
  • dump trucks intended to receive a gravel must have special characteristics or be adapted when used with a gravel spreader.
  • the object of the invention is therefore to propose a device spreading gravel on the back of a tipper of a tipper truck comprising a frame, a roller for distributing direction gravel transverse to the bucket mounted to rotate about its axis, means distribution of gravel discharged by the bucket in the tilted position on the surface of the roller and of the gravel distribution means driven by the roller, in the transverse direction, on a surface of the ground on which is moves the dump truck, as well as a gangway for driving the device, this device being able to be mounted on a carrier such as a dump truck of the type standard and quickly and easily connected to at least one source of energy from the tipper truck to drive the roller distributor at substantially constant speed.
  • Fig. 1 is a front view of the gravel spreader shown without the driver's gangway.
  • Fig. 2 is a side view along 2 of FIG. 1, of the device comprising the gangway.
  • Figs. 3 and 4 are views in elevation and in section of the rear part of the tipper of the tipper truck and the spreading device gravel, during an initial phase before graveling and during a gravelling phase, respectively.
  • It comprises a frame 2 serving as a support for all of the elements of the gravel spreader.
  • the frame 2 is fixed to the rear end of a tipping body 3 mounted at the rear end of a dump truck 4, around a horizontal axis 5 of transverse direction by compared to truck 4 and bucket 3.
  • the frame 2 of the gravel spreader 1 is mounted at the rear of the bucket 3, in a position similar to that of a rear door of the bucket 3, by by means of removable fastening devices 6 which may be formed by automatic hooks coming to be fixed on hanging hanging pins by uprights at the rear end of the bucket.
  • Locking means 6 ' used to fix the gravel spreader at the bottom of the bucket 3.
  • the frame 2 can have a general L-shape in section through a longitudinal direction plane as shown in Figs. 3 and 4.
  • the main upright of the frame corresponding to the large branch of the L is placed at the rear of the bucket, in a position substantially perpendicular to the platform of the bucket 3, similar to that of a rear door of the bucket.
  • the bucket 3 has a wall 3 'for retaining the gravel 7 or lock, the part of which lower disposed at a certain distance above the bottom of the bucket 3 cleaning with it a passage opening for the gravel 7, in direction of the spreading device 1. This prevents the gravel 7 from come to rest on the frame of the graviler, during the tilting of the bucket 3.
  • the spreading device comprises a distributor roller 8 of which axis 9 extends in the transverse direction of the bucket and the dump truck and which is rotatably mounted around its axis 9 on the frame 2, by means of bearings integral with the uprights of the end of the frame 2 in the transverse direction.
  • the roller 8 can be rotated around of its axis, as shown by the arrows 8 'in Figs. 3 and 4 by one geared motor 10 fixed to one of the transverse end uprights of the frame 2 and comprising a drive pinion 11 ensuring the rotation of the roller 8, via an 11 'chain.
  • the gear motor 10 comprises a motor electric and a reducer allowing the roller 8 to rotate at a speed fixed or adjustable.
  • the electric motor is supplied with current by a box electric 10a (see figure 2) generally comprising a converter direct current to alternating current which is supplied to the motor at its voltage rated power.
  • the spreading device 1 includes means for distributing the gravel constituted by a set of hatches 12 mounted in an arrangement aligned in the direction transverse of the bucket, parallel to the longitudinal axis of the roller distributor 8.
  • Each of the hatches 12 makes it possible to close or open a part a space 13 made for the passage of gravel 7, at the rear end of the bucket to which the gravel spreader 1 is fixed, above the bottom of the bucket 3.
  • the set of hatches 12 comprises sixteen hatches juxtaposed in the transverse direction of the bucket, parallel to the axis of the distributor roller 8 placed at a level slightly below the bottom of the bucket 3, the upper part of the distributor roller 8 being a little above from the bottom of the bucket 3.
  • the hatches 12 are pivotally mounted on a shaft 14 extending in the transverse direction and over the entire width of the bucket.
  • Each of the hatches 12 is pivotally mounted on the shaft 14, so that it can be moved between a closed position of the space 13 passage of gravel 7 (position shown in Fig. 3) and a position opening allowing the passage of gravel 7 (shown in Fig. 4).
  • a bar of metering 15 making it possible to limit the stroke of the pivoting hatches 12 which is placed, during the commissioning of the gravel spreader, in a position allowing a regulated opening of the hatches 12 to obtain a desired gravel flow.
  • each of the hatches 12 is connected to the rod of a jack. tire 16 allowing the hatch 12 to be moved between a position of closure as shown in FIG. 3 and an open position of adjustable amplitude, as shown in FIG. 4.
  • the set of actuators 16 for controlling the hatches 12 is supplied with compressed air by the compressor of the dump truck used by example for controlling brakes or other pneumatic devices.
  • the actuators 16 for controlling the doors 12 are supplied by via a pneumatic coupler of the push-pull type.
  • Each cylinder 16 of a hatch 12 can be controlled individually to open or close the hatch 12 corresponding.
  • All of the jacks 16 can also be ordered from grouped to ensure the closing or opening of all gravel hatch 12.
  • the overall control of the hatches 12 at the opening makes it possible to commissioning the gravel spreader and closing control allows to put the gravel spreader in a stop position preventing the passage gravel to the distributor roller 8.
  • a metering bar 15 mounted on the pivot axis 14 of the hatches 12 makes it possible to adjust the opening amplitude hatches 12 and, in this way, the flow of gravel discharged by the bucket 3 in the raised position on the distributor roller 8.
  • the metering bar 15 may include support stops 15 ′ at the level of each of the hatches 12, so that the amplitude can be adjusted opening each of the hatches 12.
  • the dosing bar can also include notches to increase the opening amplitude of some hatches. In particular, it may be desirable to increase the amplitude opening the hatches at the ends of the gravel spreader.
  • the metering bar may include, for adjusting the opening of at least one hatches 12, a stop 15 'of desired thickness or a notch opposite hatch 12.
  • the pivoting of the metering bar 15 and the stops 15 'of the hatches 12 is controlled by a set of screws 17 and nuts 17 'placed in the central part of the gravel spreader, as can be seen in FIG. 1.
  • the nut 17 ' which is connected to a central part of the bar metering 15, via a horizontal articulation axis 18 of direction transverse can be moved in one direction or the other, as shown by the double arrow 19, by turning the screw 17 in one direction or in the direction opposite. It is thus possible to adjust the position of the dosing bar 15.
  • Adjustment can be done manually using a handwheel 17a integral with the screw 17 which can be actuated manually by an operator in charge of the gravel maker.
  • the operator responsible for controlling the gravel spreader takes place, during commissioning of the gravel spreader, on a platform 20 fixed rigidly in an inclined position relative to the frame 2, as it is visible in Fig. 2.
  • the steering wheel 17a for controlling the metering bar 15 is accessible from the platform on which is also placed a table of control of actuators 16 for actuating the doors 12.
  • Control of hatch cylinders 12 allows individual opening of the hatches, for example to adjust the spreading width of the gravel spreader.
  • the platform 20 or gateway is fixed to the frame 2 of the gravel spreader in an inclined position such as when the bucket 3 is tilted in a gravel dumping position as shown in the Figs. 3 and 4, the bridge is in a substantially horizontal arrangement for provide satisfactory working conditions to the operator responsible for gravelling.
  • the platform 20 can, for example, include an upright 21 perpendicular to the operator's work floor through which the footbridge is fixed on the main upright of frame 2 which is itself fixed in an arrangement perpendicular to the rear part of the bucket 3.
  • the gangway 20 is fixed to the upright 2, in an inclined arrangement as the amount 21 of the walkway does with the main amount of the frame 2 an angle substantially equal to the angle of inclination of the bucket in its position tipped over.
  • This tilt angle of the bucket can be understood between 30 and 40 °, so that we generally choose an angle of inclination of the amount of the footbridge relative to the frame of the order of 35 °.
  • an articulated walkway 20 on the frame 2 around a transverse axis parallel to the axis of the hatches.
  • the mobile gangway rotating around this axis can for example be positioned horizontally during commissioning on a site, using cylinders, for example electric cylinders supplied electrically by a source electrical energy such as the dump truck battery.
  • the distributor roller 8 is driven by a geared motor 10 consisting of an electric drive motor connected by conductors fixed to an electrical box 10a comprising a converter electronic direct current in alternating current and equipped with plugs electrical with pins allowing an electrical connection of the box on a DC source such as a truck battery dumpster.
  • a geared motor 10 consisting of an electric drive motor connected by conductors fixed to an electrical box 10a comprising a converter electronic direct current in alternating current and equipped with plugs electrical with pins allowing an electrical connection of the box on a DC source such as a truck battery dumpster.
  • a standard 12 V battery can be used, the direct current is transformed into alternating current into 220 V ensuring the electric motor supply.
  • a source of direct current such as a battery, at a higher voltage and by example, a 24 V direct current source.
  • a generator such as a small group generator.
  • the electrical box does not necessarily include current converter and can only be used to connect the current source to the electric motor.
  • connection of the current source can be carried out quickly and without difficulty, by means of connections such as pins.
  • the speed of rotation of the roller 8 is completely independent of the speed of movement of the dump truck on the site to achieve spreading. This speed can be fixed or adjusted by the operator, so that distribute the gravel in good conditions.
  • the gravel 7 is guided towards the spreading area, from the distributor roller 8 by a distributor flap 23 in a fixed position on the frame 2 of the gravel spreader, on the discharge side of the roller 8 opposite the arrival of gravel 7 through the opening 13 and extending along the entire axial length of the roller 8.
  • a flap 24 also fixed to the frame 2 of the gravel spreader is placed below the lower end of the flap distributor 23, so as to break the flow of gravel and reduce the speed of falling gravel on the ground 22 of the site. This gives better reception of the gravel on the ground 22, which leads to the production of a layer regular of gravel 7 constituting with a bituminous binder, a layer very good coating on the floor 22.
  • the device according to the invention has the particularity of being produced in a fully modular form and adaptable to all trucks standard type bucket without modifying the truck's energy sources dumpster.
  • the structure of the gravel spreader according to the invention which carries the assembly elements of the gravel spreader have dimensions adapted to those of a standard type tipper of a dump truck.
  • This frame has fast and automatic fastening means such as automatic hooks in positions allowing hooking on axes provided on the part back of the bucket.
  • the distribution means are also connected air in the pneumatic cylinders 16, to the compressor of the dump truck, by through the push-pull coupler.
  • the dump truck is then ready for spreading gravel contained in its bucket 3 on the ground 22 of the site.
  • the operator can take place on the platform of the gateway 20 in horizontal position to control the gravel operations.
  • the distributor roller 8 is rotated by the gear motor 10 and the stroke opening the hatches 12 is adjusted by the operator using the hand wheel 17a secured to the screw 17 meshing with the nut 17 '.
  • the gravel 7 is poured out through the opening 13 of the frame 2 below the hatches in the open position for constitute a flow supplying the upper surface of the distributor roller 8.
  • the gravel is then transferred by the distributor roller 8 and in the form of a regular continuous flow whose course and speed are regulated by the mud flaps 23 and 24.
  • a regular layer of gravel 7 is thus deposited on the ground 22 of the site.
  • the device according to the invention has the advantage of not require no hydraulic supply to drive the distributor roller and to orient the gangway or to control the opening stroke gravel passage hatches.
  • the hydraulic system of the dump truck therefore does not have to be modified to allow adaptation of the gravel spreader.
  • connection of the electric motor to the battery or any other electrical source of the dump truck can be realized without difficulty and very quickly, as well as the connection of the air distribution means compressed to pneumatic actuators for hatches.
  • Electricity can be supplied by a small group generator.
  • the compressed air supplying the pneumatic cylinders from can be supplied by the compressor of the dump truck or by any other source of compressed air such as a tank or circuit.
  • the invention applies generally to the spreading of gravel on a road construction site, using a standard type dump truck.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
EP02292226A 2001-09-12 2002-09-11 Dispositif d'épandage de gravillons à l'arrière d'une benne basculante d'un camion Withdrawn EP1293608A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0111814 2001-09-12
FR0111814A FR2829513B1 (fr) 2001-09-12 2001-09-12 Dispositif d'epandage de gravillons a l'arriere d'une benne basculante d'un camion

Publications (1)

Publication Number Publication Date
EP1293608A1 true EP1293608A1 (fr) 2003-03-19

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EP02292226A Withdrawn EP1293608A1 (fr) 2001-09-12 2002-09-11 Dispositif d'épandage de gravillons à l'arrière d'une benne basculante d'un camion

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Country Link
EP (1) EP1293608A1 (zh)
CN (1) CN1408955A (zh)
FR (1) FR2829513B1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2850402A1 (fr) * 2003-01-23 2004-07-30 Mauguin Procede et dispositif destines a rendre uniforme l'ecoulement des gravillons d'un gravillonneur a rouleau distributeur
FR2927095A1 (fr) * 2008-02-04 2009-08-07 Secmair Sa Dispositif gravillonneur porte.
EP3431657A1 (fr) * 2017-07-21 2019-01-23 Lhotellier SA Benne améliorée

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2875516B1 (fr) 2004-09-21 2007-09-21 Famaro Sa Dispositif d'epandage de gravillons avec un dosage constant, a l'arriere d'une tremie ou d'une benne basculante d'un camion
FR2875515B1 (fr) * 2004-09-21 2006-12-22 Famaro Sa Dispositif d'epandage de gravillons avec un dosage constant a l'arriere d'une benne basculante d'un camion
CN104186119B (zh) * 2014-08-28 2016-04-13 青岛海之源智能技术有限公司 一种小麦摊晾机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232255A (en) * 1978-11-06 1980-11-04 Carlen Eric T Delivery control system for vehicle-mounted spreader
FR2528085A1 (fr) * 1982-06-07 1983-12-09 Etude Const Mat Agric Indl Rou Dispositif gravillonneur porte
EP0289685A1 (fr) * 1987-05-06 1988-11-09 HARDY, Société anonyme dite Perfectionnement aux épandeurs de gravillons
US6262553B1 (en) * 1999-04-13 2001-07-17 M. P. Menze Research & Development Inc. Control for material spreaders

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232255A (en) * 1978-11-06 1980-11-04 Carlen Eric T Delivery control system for vehicle-mounted spreader
FR2528085A1 (fr) * 1982-06-07 1983-12-09 Etude Const Mat Agric Indl Rou Dispositif gravillonneur porte
EP0289685A1 (fr) * 1987-05-06 1988-11-09 HARDY, Société anonyme dite Perfectionnement aux épandeurs de gravillons
US6262553B1 (en) * 1999-04-13 2001-07-17 M. P. Menze Research & Development Inc. Control for material spreaders

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2850402A1 (fr) * 2003-01-23 2004-07-30 Mauguin Procede et dispositif destines a rendre uniforme l'ecoulement des gravillons d'un gravillonneur a rouleau distributeur
FR2927095A1 (fr) * 2008-02-04 2009-08-07 Secmair Sa Dispositif gravillonneur porte.
EP3431657A1 (fr) * 2017-07-21 2019-01-23 Lhotellier SA Benne améliorée
FR3069256A1 (fr) * 2017-07-21 2019-01-25 Lhotellier Sa Benne amelioree

Also Published As

Publication number Publication date
FR2829513B1 (fr) 2004-01-30
FR2829513A1 (fr) 2003-03-14
CN1408955A (zh) 2003-04-09

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