EP1300519A1 - Hydraulischer kreislauf und notbetriebsverfahren eines anbaugerätes - Google Patents

Hydraulischer kreislauf und notbetriebsverfahren eines anbaugerätes Download PDF

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Publication number
EP1300519A1
EP1300519A1 EP01934472A EP01934472A EP1300519A1 EP 1300519 A1 EP1300519 A1 EP 1300519A1 EP 01934472 A EP01934472 A EP 01934472A EP 01934472 A EP01934472 A EP 01934472A EP 1300519 A1 EP1300519 A1 EP 1300519A1
Authority
EP
European Patent Office
Prior art keywords
washing
waste
container
bedplate
collection
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.)
Granted
Application number
EP01934472A
Other languages
English (en)
French (fr)
Other versions
EP1300519B1 (de
EP1300519A4 (de
EP1300519A9 (de
Inventor
Hiroshi Onoue
Yasushi Tanaka
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of EP1300519A1 publication Critical patent/EP1300519A1/de
Publication of EP1300519A9 publication Critical patent/EP1300519A9/de
Publication of EP1300519A4 publication Critical patent/EP1300519A4/de
Application granted granted Critical
Publication of EP1300519B1 publication Critical patent/EP1300519B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2282—Systems using center bypass type changeover valves
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2285—Pilot-operated systems

Definitions

  • the present specification refers to a Patent: Application regarding a mixed vehicle for collecting waste and washing igloo type containers, whose purpose is to permit the collection and evacuation of waste contained in igloo type containers, generally for the recovery of glass, as well as washing an disinfecting the container using devices fitted to the vehicle itself.
  • said vehicle may be converted into a fixed washing plant if the components carried by the vehicle are deposited on the ground, simultaneously performing container disinfection, equal to vehicles applicable to these operations.
  • This invention is applicable to the industry dedicated to the manufacture of equipment, vehicles and auxiliary components for the collection of waste deposited in containers.
  • container loading and unloading may or may not be automatic and moreover, in these cases, the washing processes may be controlled by means of programmable robots.
  • Systems are even known which incorporate probes to continually know the status of the cleaning cycle and timers to set times.
  • Patent FR 2,645,775 a VEHICLE TO WASH CONTAINERS, PARTICULARLY CONTAINERS FOR THE AUTOMATIC COLLECTION OF URBAN WASTE is known, said vehicle being provided with a washing tunnel with a rear door and loading means to introduce the containers in said tunnel.
  • Cleaning is carried out by means of a programmed robot, remotely activated and which supports a washing mechanism and a chamber.
  • All the operations, washing and loading-unloading may follow an automatic programmed cycle and be remotely activated by an operator mainly thanks to the images sent by the camera.
  • Patent GB 2,196,446 a DEVICE FOR THE CLEANING OF A TANK INTERIOR is known which consists of a set of injectors located inside the tank and which may move in different directions and at different heights thanks to remote control means.
  • the system has a predetermined program and includes probes indicating the liquid level in the tank and a timer which sends a process stopping signal after a determined period of time.
  • the US Patent number 5,329,949 describes a HOME WASHING SYSTEM WITH RADIOFREQUENCY REMOTE CONTROL and is configured as an automatic washing system for cars, with remote control activated by an infrared position probe, applicable to any private garage or similar building.
  • the user activates the washing system and opening of the garage door.
  • the system processor consists of a programmed microcontroller to receive signals from the garage door, a radiofrequency transmitter-emitter, a thermistor and an infrared position probe.
  • Patent FR 2,608,076 an ASSEMBLY FOR WASHING CARRIAGES, CONTAINERS AND CISTERNS is known, which is fitted over a platform and consists of a power unit and the means necessary to wash containers, that is, aspiration pumps, water tanks, boilers, water conduits, etc.
  • the system is characterised in that it may be remotely controlled by a single person, who after activating the power unit, may activate the different operations, from change of detergent to selection of the recovery tank.
  • the assembly has devices for coupling to a truck or similar devices for its displacement.
  • Patent FR 2,697,511 describes a PORTABLE DEVICE FOR CLEANING CONTAINERS, consisting of a portable device fitted on a container washing vehicle, consisting of liquid tanks, a mechanical lift and internal and external container cleaning ramps.
  • the cleaning cycle is controlled by electrically operated valves which are in turn activated by a programmable robot or a microprocessor.
  • Patent E93400518 describes a FACILITY FOR THE CLEANING OF CONTAINERS, SUCH AS RUBBISH BINS, which is configured as from a washing tray, provided with an opening for container passage, loading means to introduce at least one container inside the tray and to remove one of them at the end of the washing operation, having airtight closing means for each opening and a plurality of washing heads arranged inside said tray, at least one of said washing heads being arranged in such a way as to project pressurised water inside the container introduced in the tray, whilst at least one of the other washing heads is arranged so as to project water over the outside walls of said container.
  • the central washing head is fixed to a mechanical dragging device, permitting it to be moved to the interior of said container in the direction of its depth and also in the two perpendicular directions.
  • ESPECIALLY RUBBISH are known, which are configured as water deposits which have washing heads supplied with washing liquid, specifically water under pressure, being arranged in a washing tray in the rear part of the vehicle, having an opening for the introduction of containers, some loading means to introduce the containers inside the tray through the opening and means to close the latter, said means likewise being loading means and preferably having the shape of a tub.
  • Patent ES0527357 describes a CONTAINER AND BIN WASHING EQUIPMENT which may be located over a vehicle chassis, consisting of a cleaning roller which rotates and is displaced following the inside walls of the container, as well as a mechanism which lifts the containers to be cleaned, as well as the washing tub door and afterwards, and then lowers the containers when finishing the washing stage, having a pump which takes clean water from a general tub and projects it under pressure through the washing circuit.
  • the invention is provided with a spray unit consisting of a jet fed through a conduit by the boiler pressurising unit, the base of the jet being inserted in a support, and one or several water deposits.
  • the US Patent number 4,694,846 describes a SYSTEM FOR THE CLEANING AND DISINFECTING OF RUBBISH CONTAINERS, specifically formed by a vehicle incorporating an air container supplied by the compressor and connected to another container with water and disinfectant, which is supplied with air until the necessary pressure is reached to project the mixture of water, air and disinfectant through the nozzles directed towards the inside surface of the container.
  • the cleaning process is carried out by means of an electromagnetic valve activated from the vehicle command board.
  • the Spanish Patent applied for with the number 8801602, published with the number 2,007,878, describes a HANDLING AND CLEANING SYSTEM FOR SOLID WASTE CONTAINERS, which consists of locating at different points, some underground sheaths of an airtight material, whose function is to support or contain hermetic containers of a cylindrical or prismatic shape, in which the waste is stored, which are introduced through an upper opening communicating with the surface by means of a hermetic sluice pipe.
  • the upper cover of the container emerges at the surface, which once opened provides access to two rings on which the container is hooked, pulling from its upper part to handle the loading, unloading, emptying or eventual cleaning.
  • Patent WO 9952655 describes an AUTOMATIC TUNNEL FOR THE CLEANING AND INSIDE AND OUTSIDE DISINFECTING OF CONTAINERS.
  • Patent GB 2,283,409 describes a MOBILE CLEANING MACHINE FOR DISINFECTING.
  • the mixed vehicle for the collection of waste and washing of igloo type containers is itself configured as an evident novelty in its specific field of application, on combining a plurality of specific features, which provides the quality of performing cleaning through the external and internal area of an igloo type container, generally used for containing glass waste and its future recovery, the vehicle simultaneously having the quality of being configured as a fixed plant for washing and disinfecting containers of waste of the mentioned type, that is, "igloo" type.
  • the mixed vehicle for the collection of waste and washing of igloo type containers object of the invention is constituted as from a truck provided with the pertinent chassis, over which is located a crane jib for the handling and positioning of the container, said crane jib being provided with a double hook and in turn situating over the truck chassis a truck box provided with a side safety door as well as a deposit for waste, glass, paper, etc.
  • the truck box incorporates the washing means, consisting of a clean water deposit, a set of pumps, a foaming station, a vertical brush, a dome shaped brush, a washing bench, an external rinsing arch and an external foaming arch, as well as the relevant internal rinsing heads.
  • the washing means consisting of a clean water deposit, a set of pumps, a foaming station, a vertical brush, a dome shaped brush, a washing bench, an external rinsing arch and an external foaming arch, as well as the relevant internal rinsing heads.
  • the invention has the relevant system or arrangement for the evacuation of waste water, being provided with a collector, a filtering unit, a waste water pump as well as a deposit for dirty water.
  • the vehicle is provided with a pressure jet for manual use.
  • the vehicle configured as a truck arrives at its destination and by means of the crane jib, provided with a double hook, hooks the two rings of the container and once hooked, proceeds to its lifting until locating it above the waste deposit, which has the upper part open to facilitate unloading.
  • the crane jib hooks are automated, such that on pulling one of them, the unloading sluices open followed by emptying of the container contents, it being necessary to mention that the unloading doors or sluices are located in the lower part of the container.
  • the container Once the container has been unloaded and with the sluices open, it is located over the washing bedplate and in a vertical movement and downwards direction, the container is deposited over the bedplate, it being necessary to say that this movement must be performed such that the pressurised water dispensing heads are introduced inside the container through the lower sluices, which are open, having designed the bedplate in such a way that as the container is lowered, the unloading sluices close until ajar, and it is through this opening, that the waste water produced during the washing process are evacuated.
  • the crane jib hooks are released and the washing area is hermetically closed by means of the upper lateral door, with the purpose of reducing the production of noise and leakage of waste to the outside.
  • the washing area, the brushes, the foaming arch and that of rinsing are arranged in a washing position by means of conventional hydraulic or pneumatic cylinders.
  • Figure No. 1 shows a side elevation view of the object of the invention, regarding a mixed vehicle for the collection of waste and washing of igloo type containers.
  • Figure No. 2 shows a view of the waste container, specifically a closed glass waste container.
  • Figure No. 3 shows a similar view to that shown in figure No. 2, but with the container open.
  • Figure No. 4 corresponds to a detailed view of the cleaning mechanism and the retaining component of the container doors to facilitate the entry of the cleaning nozzles through the internal area of the container itself.
  • the mixed vehicle for the collection of waste and washing of igloo type containers is formed from a chassis (1) provided with a crane jib (2) for the handling and positioning of the container (30), the crane jib having a double hook (3) and there being over the truck chassis (1), a box (4) provided with a side safety door (5) and a deposit for waste (6), that is to incorporate the waste contained inside the container.
  • the vehicle is provided with a washing system, configured as a deposit for clean water (7), a set of pumps (8), a foaming station (9), a vertical brush (10), a dome shaped brush (11), a washing bedplate (12), an external rinsing arch (13), an external foaming arch (14) and some internal rinsing heads (15) and (15').
  • a washing system configured as a deposit for clean water (7), a set of pumps (8), a foaming station (9), a vertical brush (10), a dome shaped brush (11), a washing bedplate (12), an external rinsing arch (13), an external foaming arch (14) and some internal rinsing heads (15) and (15').
  • the vehicle has a waste water evacuation system, consisting of a collector (16), a filtering unit (17), a waste water pump (18), a waste water deposit (19) and in turn is provided with a pressure jet (20) for manual use.
  • a waste water evacuation system consisting of a collector (16), a filtering unit (17), a waste water pump (18), a waste water deposit (19) and in turn is provided with a pressure jet (20) for manual use.
  • the invention is implemented, as may be seen in figure number 4 with a part (45) provided with two rollers (44) and (44') located over a rotary part (41) which keeps the doors (34) and (34') open, whilst the cleaning heads (15) and (15') act and in turn, permitting the contents to run out.
  • the two rings (31) and (31') are destined, one of them to lift the container with the covers closed and the other, to lift the hood, leaving the sluices (34) and (34') located in the lower part, free, producing the opening for the unloading manoeuvre of the container contents.
  • the towlines (33) connecting the sluices (34) and (34') with the rings (31) and (31') are located inside.
  • the container (30) is manufactured in glass fibre or similar.
  • the truck arrives at the destination and by means of the crane jib (3) incorporated over the crane (2), which is provided with a double hook, hooks the two rings (31) and (31') of the container (30) and once hooked, lifts the container (30) until locating it above the waste deposit (6) which has the upper part open.
  • the crane jib (3) hooks are automated, so that on pulling one of them, the unloading sluices (34) and (34') are opened, permitting the emptying of the container contents.
  • the container (30) Once the container (30) has been unloaded with the sluices (34) and (34') open, it is positioned over the washing bedplate (12) and by means of a vertical movement in a descending direction, it is deposited over it.
  • the bedplate (12) is designed such that as the container (30) descends, the unloading sluices close and until ajar, and through this opening, the waste water produced in the washing process is evacuated.
  • the crane jib (3) hooks are released and the washing area is hermetically closed by means of the upper side door (5) with the purpose of reducing noise production to a minimum and leakage of waste to the outside.
  • the washing area, the brushes (10) and (11), as well as the foaming arch (13) and the rinsing arch (14) are arranged in the washing position by means of conventional hydraulic or pneumatic cylinders, commencing the washing process itself.
  • the set of pumps (8) takes water from the clean water deposit (7) and impulses it at a high pressure, dispensing it by means of two rotating heads (15) and (15') throughout the interior of the container (30).
  • the supply of the two rotating heads is carried out from the bedplate (12) centre by means of a rotary joint (41), permitting the circular movement or rotation of the entire bedplate (12).
  • the external washing consists of external foaming, external brushing and external rinsing.
  • foaming of the container on the outside is produced by means of the dispensing arch (14) which projects to the exterior, a chemical cleaning product like soap or detergent, which together with a motor providing rotation to the washing bedplate, over which the container (30) is positioned.
  • the arch (14) is fixed and connected to a dosing station which takes the soap or liquid detergent from a deposit and dispenses it as foam.
  • the bedplate (12) When the foam is sprayed, the bedplate (12) begins to move and starts to rotate, permitting the container to be covered with foam on its entire external surface and once covered, it is left a while before brushing, with the purpose of allowing the chemical product projected by the arch (14) to act.
  • the external brushing is carried out by means of the brushes (10) and (11), that is, the vertical brush and the dome shaped brush, which as may be appreciated is in a vertical position, that is, the (10), whilst the dome shaped brush is displaced remaining attached to the container (30) dome, producing its cleaning in this area unreachable by the vertical brush (10).
  • the waste water produced in the washing process is collected in the base of the bedplate and carried to a collector (16) where it is filtered by a filtering unit (17) together with a waste water pump (18), transferring the dirty water (19) to the deposit.
  • This deposit stores the water used for its further reuse or for its evacuation in a suitable place.
  • the mixed vehicle for the collection of waste and washing of igloo type containers is configured as an appropriate invention for the washing of igloo type containers, using chemical agents, brushes and pressurised water, combining the three mechanisms.
  • the vehicle itself is configured as a mixed vehicle simultaneously performing the functions of waste collection and container cleaning, being provided with a special bedplate (12) which permits the container to be fixed, rotating it, accessing to the interior by means of rotating heads (15) and (15') and collecting the waste water in a deposit (19).
  • the crane (2) crane jib (3) is provided with a double hook.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Component Parts Of Construction Machinery (AREA)
EP01934472A 2000-05-31 2001-05-31 Baumaschine mit einem hydraulischen kreislauf und notbetriebsverfahren eines anbaugerätes. Expired - Lifetime EP1300519B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000161468A JP2001336177A (ja) 2000-05-31 2000-05-31 建設機械の油圧回路およびアタッチメント緊急駆動方法
JP2000161468 2000-05-31
PCT/JP2001/004625 WO2001092651A1 (en) 2000-05-31 2001-05-31 Hydraulic circuit and attachment emergency drive method for construction machinery

Publications (4)

Publication Number Publication Date
EP1300519A1 true EP1300519A1 (de) 2003-04-09
EP1300519A9 EP1300519A9 (de) 2003-08-06
EP1300519A4 EP1300519A4 (de) 2009-03-11
EP1300519B1 EP1300519B1 (de) 2010-12-22

Family

ID=18665488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01934472A Expired - Lifetime EP1300519B1 (de) 2000-05-31 2001-05-31 Baumaschine mit einem hydraulischen kreislauf und notbetriebsverfahren eines anbaugerätes.

Country Status (4)

Country Link
EP (1) EP1300519B1 (de)
JP (1) JP2001336177A (de)
DE (1) DE60143698D1 (de)
WO (1) WO2001092651A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4294563B2 (ja) * 2004-09-10 2009-07-15 日立建機株式会社 作業機械
JP2011226104A (ja) * 2010-04-16 2011-11-10 Hitachi Constr Mach Co Ltd 長尺フロントの動力異常停止時降下装置と降下方法
US9085873B2 (en) 2011-12-23 2015-07-21 Caterpillar Inc. Hydraulic system for controlling a work implement
US9790964B2 (en) 2014-09-25 2017-10-17 Cnh Industrial America Llc Hydraulic system
US9708796B2 (en) 2014-09-25 2017-07-18 Cnh Industrial America Llc Hydraulic valve
WO2025063195A1 (ja) * 2023-09-20 2025-03-27 日立建機株式会社 作業機械

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5976659A (ja) 1982-10-25 1984-05-01 Nippon Kokan Kk <Nkk> 地金洗浄用バ−ナ−
JPH0617885Y2 (ja) * 1987-04-14 1994-05-11 セイレイ工業株式会社 バツクホ−における作業機の降下に対する安全装置
JPH0693630A (ja) 1992-09-11 1994-04-05 Hitachi Constr Mach Co Ltd 作業機用バケット制御装置
JPH07317713A (ja) * 1994-05-27 1995-12-08 Yutani Heavy Ind Ltd 建設機械の油圧回路
JP2000096631A (ja) * 1998-09-18 2000-04-04 Hitachi Constr Mach Co Ltd 油圧ショベルの油圧回路

Also Published As

Publication number Publication date
EP1300519B1 (de) 2010-12-22
DE60143698D1 (de) 2011-02-03
JP2001336177A (ja) 2001-12-07
EP1300519A4 (de) 2009-03-11
WO2001092651A1 (en) 2001-12-06
EP1300519A9 (de) 2003-08-06

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