EP4227242A1 - Ladevorrichtung für abfallbehälter auf einem müllreinigungsfahrzeug und müllreinigungsfahrzeug mit dieser vorrichtung - Google Patents

Ladevorrichtung für abfallbehälter auf einem müllreinigungsfahrzeug und müllreinigungsfahrzeug mit dieser vorrichtung Download PDF

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Publication number
EP4227242A1
EP4227242A1 EP23153792.9A EP23153792A EP4227242A1 EP 4227242 A1 EP4227242 A1 EP 4227242A1 EP 23153792 A EP23153792 A EP 23153792A EP 4227242 A1 EP4227242 A1 EP 4227242A1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
bin
lifting arm
washing unit
reference plane
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
EP23153792.9A
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English (en)
French (fr)
Inventor
Ermanno Pilenghi
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.)
Pilenghi Enterprise Srl
Original Assignee
Pilenghi Enterprise Srl
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 Pilenghi Enterprise Srl filed Critical Pilenghi Enterprise Srl
Publication of EP4227242A1 publication Critical patent/EP4227242A1/de
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F7/00—Cleaning or disinfecting devices combined with refuse receptacles or refuse vehicles
    • B65F7/005—Devices, mounted on refuse collecting vehicles, for cleaning or disinfecting refuse receptacles

Definitions

  • the subject of the present invention is a waste container loading device on a bin-washer motor vehicle, and a bin-washer motor vehicle provided with said device.
  • the invention may be adopted on vehicles intended for the automated washing of containers of the so-called skip-bin type.
  • waste containers herein also referred to as "bins” for ease of description, generally made of metal or synthetic material, of the type suitable to be placed on the ground, usually on a pavement and/or at the roadside, to allow citizens to dispose of their waste, and to be periodically emptied by means of a lifting and tipping action by a gripping device installed on a suitably equipped motor vehicle, is well known in the urban waste collection.
  • bins In order to prevent bacterial flora from proliferating, with the consequent deterioration of hygienic conditions and the spread of unpleasant smells, bins must be thoroughly washed at certain intervals.
  • the washing operation is carried out with the aid of special bin-washer motor vehicles, equipped with a washing unit served by loading devices capable of picking up the bin from the ground, lifting and tipping it inside a washing chamber, in which one or more assemblies of nozzles delivering water, or other pressurised washing liquid, operate.
  • the lifting arms are then suitable to pick up the bin from the ground and, in a lifting and tipping manner, support it in an upside-down position in the washing chamber to submit it to the treatment.
  • the bin is placed back on the ground and the arms of the lifting device may be returned to their rest position to allow the motor vehicle to resume its travel.
  • the Applicant believes that in the loading devices of the type described above, it is important to ensure that in the rest condition the lower ends of the lifting arms do not protrude significantly below the body in order not to interfere with areas generally intended to house other service equipment generally installed on the vehicle, so as to facilitate the installation of the loading device without having to make modifications to the vehicle to reposition such equipment.
  • Document EP 1454848 A1 discloses an embodiment of the aforementioned loading devices for use on both bin-washer motor vehicles and waste collection motor vehicles, where the problem described above is addressed by installing the lifting arms on a mobile carriage along a telescopic structure provided with a first guide frame hinged above the vehicle and a second guide frame sliding along the first frame between a lowered position and a raised position.
  • the structure as a whole may be moved away from and towards the side of the vehicle around its upper hinging axis to let the lifting arms engage the bin, which must be lifted from the ground.
  • the second frame In the rest condition, the second frame is retracted in a raised position with respect to the first frame with the entire structure placed close to the side of the vehicle, and the carriage is positioned at the top of the second frame so that the ends of the arms do not protrude below the lower edge of the body.
  • the object of the present invention is to overcome the limitations of the state of the art by proposing a loading device that is particularly suitable to be installed on bin-washer motor vehicles, the lifting arms of which can be easily placed in a rest condition with their lower ends outside the space in the lower area of the chassis, typically dedicated to the installation of service equipment.
  • a further object of the invention is to offer a structurally simplified loading device that can be manufactured cost-effectively and that can be easily installed on bin-washer motor vehicles.
  • each of the lifting arms in two parts that are telescopically sliding with respect to each other, it is possible to provide them with an extensibility suitable for reaching the bin on the ground in order to grip it, while maintaining, at rest, a compact arrangement such as to remain entirely above the areas of the vehicle dedicated to service equipment. It is also possible to significantly simplify the overall structure of the loading device, to the benefit of production and maintenance costs as well as of the overall reliability of the system.
  • a subject of the present invention is a waste container loading device on a bin-washer motor vehicle, according to claim 1.
  • the invention relates to a bin-washer motor vehicle equipped with the device herein described and claimed.
  • the invention may also have one or more of the following preferred features.
  • said at least one lifting arm has a longitudinal descending development from the respective proximal end towards the distal end.
  • said at least one lifting arm has a longitudinal development arranged according to a substantially vertical orientation.
  • the gripping terminal is positioned above said geometric reference plane.
  • At least one extension actuator operating between the first and second portion of the lifting arm to move the second portion between the retracted and the extracted positions is further provided.
  • the gripping terminal is spaced from the road surface according to an extent greater than a minimum distance between the road surface and said geometric reference plane.
  • the rotational drive assembly comprises a rotary actuator operating on at least one drive shaft engaged to the first portion of the lifting arm.
  • the drive shaft comprises at least one polygonal section segment slidably crossing the proximal end of the lifting arm.
  • an extractor assembly carrying the lifting arm and the rotational drive assembly, and movable parallel to the geometric reference plane away from and towards the washing unit, is also provided.
  • the extractor assembly is movable perpendicular to a longitudinal extension direction of the chassis.
  • the extractor assembly is movable along a horizontal direction.
  • the extractor assembly is movable between an approach position where the lifting arm is approached to the washing unit, and an exit position wherein the lifting arm is moved away from the washing unit.
  • the extractor assembly comprises: a pair of guides integral with the chassis; a pair of extraction beams engaged to the guides and sliding longitudinally with respect to them; and at least one extraction actuator operating on the extraction beams to move them between the approach position and exit position.
  • an elevator assembly carrying the lifting arm and the rotational drive assembly, and movable in a direction perpendicular to the geometric reference plane, is also provided.
  • the elevator assembly is movable between a raised position in which the gripping terminal is positioned above the geometric reference plane and a lowered position in which the gripping terminal is positioned below the geometric reference plane.
  • the elevator assembly comprises: a pair of uprights; a carriage slidably guided along the uprights; and at least one lifting actuator that can be selectively activated to move the carriage between the raised position and the lowered position.
  • the uprights are integral with the extraction beams.
  • the carriage is integral with the rotary actuator of the rotational drive assembly.
  • said upper surface is defined by two chassis longitudinal members extending along one direction of travel of the motor vehicle.
  • a waste container loading device on a bin-washer motor vehicle in accordance with the present invention is globally referred to as 1.
  • the device 1 is suitable to be installed in combination with a washing unit 2 on a bin-washer motor vehicle globally referred to as 3.
  • the washing unit 2 comprises a body 4 within which one or more tanks may be housed for the supply and/or collection of water or other washing liquid.
  • a washing chamber 6 is defined between the body 4 and a driver's cab 5 of the motor vehicle, wherein a set of suitably distributed nozzles 6a delivers the washing liquid.
  • the washing unit 2 is supported by a load-bearing chassis 7, typically comprising two chassis longitudinal members 7a extending behind the driver's cab 5 parallel to the direction of travel of the motor vehicle 3. More specifically, the washing unit 2 is preferably fixed to be supported on the longitudinal members 7a, at an upper surface thereof which lies in a geometric reference plane P spaced parallel to the road surface T on which the motor vehicle 3 rests.
  • the loading device 1, located adjacent to one of the sides of the motor vehicle 3 and longitudinally positioned near the washing chamber 6, comprises at least one lifting arm 8 carried by a rotational drive assembly 9.
  • two lifting arms 8 are provided, parallel to each other and mutually spaced along at least one drive shaft 10 forming part of the rotational drive assembly 9.
  • Each one of the lifting arms 8 has a first portion 8a and a second portion 8b telescopically engaged with respect to each other.
  • the first portion 8a extends from a proximal end 11 of the lifting arm 8 arranged above, and slidably engages the second portion 8b which in turn carries a gripping terminal 12a located at a distal end 12 opposite the proximal end 11.
  • At least one extension actuator 13, for example in the form of a fluid-dynamic cylinder, operates between the first and second portions 8b of each of the lifting arms 8, to move the second portion 8b between a retracted position and an extracted position.
  • the rotational drive assembly 9 comprises a rotary actuator 14 preferably located in a symmetrically centred position with respect to the lifting arms 8 and operating on the drive shaft 10 to rotate it about its own rotation axis X.
  • the drive shaft 10 may comprise one or more segments with a polygonal section, such as a square section, slidably crossing the proximal end 11 of each of the lifting arms 8.
  • the rotation of the drive shaft 10 is transmitted to each one of the lifting arms 8 by their respective proximal end 11, so as to impose an angular rotation to the lifting arms themselves from a rest position in which, as shown in Figures 1 and 2 , the gripping terminal 12a is approached with respect to the washing unit 2.
  • the lifting arms 8 are movable along the drive shaft 10 upon the action of one or more adjustment actuators 10a, each one operating between the rotational drive assembly 9 and the first portion 8a of the respective arm 8, in order to adapt the distance between the lifting arms 8 to the dimensions of a bin 15 to be submitted to the washing treatment.
  • the rotational drive assembly 9, and consequently the lifting arms 8, are carried by an elevator assembly 16 preferably movable in a vertical direction, perpendicular to the geometric reference plane P.
  • the elevator assembly 16 has a carriage 17 integral with the rotary actuator 14 of the rotational drive assembly 9.
  • the carriage 17 is slidably guided along a pair of vertical uprights 18 and movable along the latter between a raised position and a lowered position upon control of at least one lifting actuator 19 selectively activated for this purpose.
  • the elevator assembly 16 is in turn carried, together with the rotational drive assembly 9 and the lifting arms 8, by a movable extractor assembly 20 moving away from and towards the washing unit 2, along a horizontal direction parallel to the geometric reference plane P and perpendicular to the direction of longitudinal development of the chassis 7.
  • the extractor assembly 20 comprises a pair of guides 21 integral with the chassis 7, for example fixed above the longitudinal members 7a.
  • At least one extraction actuator 23 operates on the extraction beams 22 to move them between an approach position and an exit position, in which the lifting arms 8 are respectively moved closer to and away from the washing unit 2.
  • the loading device While the motor vehicle 3 is travelling, the loading device maintains a rest condition wherein, as visible in Figure 1 , the extractor assembly 20 is in the approach position and the elevator assembly 16 keeps the carriage 17 in the raised position, while the rotational drive assembly 9 keeps the lifting arms 8 in the rest position, vertically oriented downwards.
  • the substantially vertical orientation of the lifting arms 8 approaching the washing unit 2 makes it possible to keep the loading device 1 substantially within the contour of the motor vehicle 3, avoiding protrusions that may represent a danger to road traffic.
  • each gripping terminal 12a of each lifting arm 8 is spaced from the road surface T according to an extent H ( Figure 2 ) greater than a minimum distance Hm between the road surface and the geometric reference plane P.
  • H Figure 2
  • each gripping terminal 12a is positioned above the geometric reference plane P, so that the loading device 1 does not invade a service space S underlying the latter, typically intended for the installation of service equipment for the operation of the motor vehicle 3, such as, for example, fuel tanks or compressed fluids, braking systems, or other.
  • the motor vehicle 3 is suitable for being stopped at the side near the bin 15 or another type of waste container that must be submitted to the washing treatment.
  • the bin 15 has one or more hooking elements 24 operatively engageable by the gripping terminals to allow the lifting arms 8 to pick up the bin 15 from the ground and lift it in a tipping manner to position it upside down on the washing chamber 6, as shown in Figure 7 .
  • the hooking elements 24 consist of pins protruding from opposite side walls of the bin 15.
  • different types of bin 15 with different configurations of hooking elements 24 may be provided, corresponding to respective different configurations of gripping terminals 12a and/or lifting arms 8, all falling within the innovative scope of the present invention.
  • the rotational drive assembly 9 causes the movement of the lifting arms 8 towards a gripping position, shown in Figure 3 , in which each of them has a downward sloping orientation with the respective gripping terminal 12a moved away from the washing unit 2 and protruding laterally outside the contour of the motor vehicle 3.
  • extension actuators 13 can then be controlled, upon the action of which the second portions 8b of the lifting arms 8 are displaced, with respect to the respective first portions 8a, radially to the rotation axis X, towards an extracted position in which each gripping terminal 12a is moved away from the rotation axis X as shown in Figure 5 .
  • the gripping terminals 12a in the extracted position are suitably spaced from the rotation axis X according to an extent suitable to easily reach the hooking elements 24 on the bin 15, and to allow tipping it over the washing chamber 6.
  • the elevator assembly 16 can be actuated, bringing the carriage 17 together with the lifting arms 8 from a raised position in which, as in Figures 1 to 5 , the gripping terminals 12b are arranged above the geometric reference plane P, to a lowered position ( Figure 6 ) in which the gripping terminals 12b are positioned below the geometric reference plane P in order to facilitate the engagement of the hooking elements 24 with a movement from below.
  • the extractor assembly 20 can also be operated to move the gripping arms closer to the bin 15 and to allow the operating engagement of the hooking elements 24, as shown in Figure 6 .
  • the rotational drive assembly 9 causes a further rotation of the lifting arms 8 away from the rest position, in order to determine the lifting and tipping action of the bin 15.
  • the extractor assembly 20 can be returned to the approach position while the elevator assembly 16 returns the carriage 17 together with the lifting arms 8 to the raised position, so that the bin 15 can be tipped over the washing chamber 6 with a further angular excursion of the lifting arms 8 upon the action of the rotational drive assembly 9, as shown in Figure 7 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
EP23153792.9A 2022-02-14 2023-01-27 Ladevorrichtung für abfallbehälter auf einem müllreinigungsfahrzeug und müllreinigungsfahrzeug mit dieser vorrichtung Pending EP4227242A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT202200002603 2022-02-14

Publications (1)

Publication Number Publication Date
EP4227242A1 true EP4227242A1 (de) 2023-08-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP23153792.9A Pending EP4227242A1 (de) 2022-02-14 2023-01-27 Ladevorrichtung für abfallbehälter auf einem müllreinigungsfahrzeug und müllreinigungsfahrzeug mit dieser vorrichtung

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EP (1) EP4227242A1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0667308A1 (de) * 1994-02-10 1995-08-16 Vigilio Porcelli Hub-Kippvorrichtung für einen auf einem Trottoir stehenden Müllbehälter
EP1454848A1 (de) 2003-03-03 2004-09-08 FARID INDUSTRIE S.p.A. Hub-Kippvorrichtung für einen Müllbehälter
DE102015010610A1 (de) * 2015-08-18 2017-02-23 Lothar Stach Entsorgungsfahrzeug mit zumindest einem ausgreifenden Tragarm
EP3401239A1 (de) * 2017-05-09 2018-11-14 Zukunft Investments Sammelsystem von bioabfällen
CN109748015A (zh) * 2019-03-25 2019-05-14 烟台海德专用汽车有限公司 一种垃圾桶提升架及其应用
EP3862295A1 (de) * 2020-02-07 2021-08-11 Terberg Machines B.V. Seitliches ladesystem und verfahren zum heben und entleeren eines behälters

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0667308A1 (de) * 1994-02-10 1995-08-16 Vigilio Porcelli Hub-Kippvorrichtung für einen auf einem Trottoir stehenden Müllbehälter
EP1454848A1 (de) 2003-03-03 2004-09-08 FARID INDUSTRIE S.p.A. Hub-Kippvorrichtung für einen Müllbehälter
DE102015010610A1 (de) * 2015-08-18 2017-02-23 Lothar Stach Entsorgungsfahrzeug mit zumindest einem ausgreifenden Tragarm
EP3401239A1 (de) * 2017-05-09 2018-11-14 Zukunft Investments Sammelsystem von bioabfällen
CN109748015A (zh) * 2019-03-25 2019-05-14 烟台海德专用汽车有限公司 一种垃圾桶提升架及其应用
EP3862295A1 (de) * 2020-02-07 2021-08-11 Terberg Machines B.V. Seitliches ladesystem und verfahren zum heben und entleeren eines behälters

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