EP3412836A1 - Hybrider umwandlungssatz - Google Patents

Hybrider umwandlungssatz Download PDF

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Publication number
EP3412836A1
EP3412836A1 EP18171164.9A EP18171164A EP3412836A1 EP 3412836 A1 EP3412836 A1 EP 3412836A1 EP 18171164 A EP18171164 A EP 18171164A EP 3412836 A1 EP3412836 A1 EP 3412836A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
kit
support frame
oil
guide
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
EP18171164.9A
Other languages
English (en)
French (fr)
Other versions
EP3412836B1 (de
Inventor
Lucio FERRAMOLA
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.)
Asalift Srl
Original Assignee
Asalift 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 Asalift Srl filed Critical Asalift Srl
Publication of EP3412836A1 publication Critical patent/EP3412836A1/de
Application granted granted Critical
Publication of EP3412836B1 publication Critical patent/EP3412836B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
    • E02F9/2062—Control of propulsion units
    • E02F9/2075—Control of propulsion units of the hybrid type
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment

Definitions

  • the present invention concerns a hybrid conversion kit, in particular a hybrid conversion kit for vehicles equipped with an endothermic engine and an oil-hydraulic pump.
  • work vehicles like for example earth-moving vehicles, fork-lifts trucks and aerial work platforms, are generally equipped with an endothermic engine adapted for actuating an oil-hydraulic pump, which feeds a plurality of oil-hydraulic devices of the vehicle, like for example articulated arms, tools and traction means.
  • Propulsion by endothermic engine is particularly disadvantageous when the vehicle is working in closed environments, since the exhaust gases that it produces accumulate in the environment representing a serious risk to the health of operators.
  • Hybrid conversion kits comprise an electric motor that actuates a hydraulic pump adapted for feeding the various oil-hydraulic devices of the vehicle and a fastening group adapted for allowing the motor and the pump to be fixed to said vehicle.
  • Such components of the kit for reasons of space, must necessarily be installed outside of the vehicle on a mounting surface the configuration of which changes from one model to the next, thus obliging anchoring groups to be made ad hoc for every vehicle model.
  • a purpose of the present invention is to provide a hybrid conversion kit able to be installed on a large number of different vehicles.
  • the invention particularly, provides a hybrid conversion kit for vehicles equipped with an endothermic engine and an oil-hydraulic pump, comprising: a support frame, an electric motor fixed to the support frame, an oil-hydraulic pump fixed to the support frame and actuated by the electric motor and an anchoring group of the support frame to the vehicle, wherein said anchoring group comprises: a first guide with which the support frame is slidably associated according to a first sliding axis, a second guide fixed to the first guide and provided with a pair of hooks, each of which is slidably associated with the second guide along a second sliding axis orthogonal to the first sliding axis, said hooks being configured to be fixed to a mounting surface made available on the vehicle.
  • the hooks can be slidably associated with the mounting surface of the vehicle.
  • the mounting surface can be a portion of a roll-bar of the vehicle.
  • the mounting surface can be a portion of a driver's cabin of the vehicle.
  • the kit can comprise a cable-holding device connected to the support frame and adapted for keeping a portion of a cable adapted for connecting the kit to an electricity source raised from the ground and projecting externally with respect to the vehicle.
  • the supply cable of the electric motor is prevented from being able to hinder the movements of the vehicle, in particular the vehicle is prevented from running over the cable when it moves forwards or backwards along a straight line, given that the kit is fixed in the rear area of the vehicle.
  • the kit can comprise a delivery duct equipped with an end connected to the oil-hydraulic pump of the kit and an end connected to a delivery duct of the vehicle adapted for placing the oil-hydraulic pump of the vehicle in communication with an oil-hydraulic device of the vehicle, and wherein said kit comprises a first unidirectional valve arranged between the hydraulic pump of the kit and the delivery duct of the kit and a second unidirectional valve arranged between the oil-hydraulic pump of the vehicle and the delivery duct of the vehicle.
  • the pressurised fluid is prevented from entering into the oil-hydraulic pump of the vehicle and vice-versa when the oil-hydraulic pump connected to the electric motor is in operation.
  • the kit can comprise a battery connected to the electric motor.
  • the vehicle can be actuated by the electric motor of the kit without being connected by cable to an electrical energy source.
  • the kit can comprise a control station configured to selectively prevent the endothermic engine of the vehicle from turning on.
  • control station can be configured to recharge a battery of the vehicle.
  • the kit can comprise a remote control device of the electric motor and of the oil-hydraulic pump of the kit.
  • the operator of the vehicle can activate and deactivate the electric motor of the kit while staying in the control station.
  • the invention also provides a vehicle equipped with an endothermic engine, an oil-hydraulic pump and a hybrid conversion kit, which comprises: a support frame, an electric motor fixed to the support frame, an oil-hydraulic pump fixed to the support frame and actuated by the electric motor and an anchoring group of the support frame to the vehicle, wherein said anchoring group comprises: a first guide with which the support frame is slidably associated according to a first sliding axis, a second guide fixed to the first guide and provided with a pair of hooks, each of which is slidably associated with the second guide along a second sliding axis orthogonal to the first sliding axis, said hooks being configured to be fixed to a mounting surface made available on the vehicle.
  • a hybrid conversion kit adapted for being installed on a vehicle 10, for example an excavator, which comprises a frame 15 to which a traction group 20 is articulated, has been globally indicated with 1.
  • vehicle 10 can be a fork-lift truck or an aerial work platform or any work vehicle equipped with an endothermic engine and an oil-hydraulic pump.
  • the traction group 20 is equipped with tracks.
  • the vehicle 10 comprises an endothermic engine 25 fixed to the frame 15 and an oil-hydraulic pump 30 fed by a tank T and actuated by the endothermic engine 25.
  • the oil-hydraulic pump 30 is equipped with di at least one delivery mouth and with a delivery duct 35 connected to said delivery mouth to feed a plurality of oil-hydraulic devices 40 of the vehicle 10.
  • the oil-hydraulic devices 40 comprise the traction group 20 and, for example, a plurality of oil-hydraulic cylinders of an arm of the vehicle 10.
  • the pump 30 is equipped with a plurality of delivery ducts 35 to feed the oil-hydraulic devices 40.
  • the vehicle 10 comprises a control station 45 equipped with a seat and a group of controls 50 for controlling the vehicle 10.
  • the vehicle 10 is equipped with a cabin 55, which has a pair of rear uprights 60, fixed to the frame 15.
  • rear is meant to indicate the portion of the vehicle 10 arranged behind an operator correctly position in the control station 45 or in any case arranged at the opposite end with respect to a tool of the vehicle.
  • control station 45 is contained inside the cabin 55.
  • the uprights 60 have a substantially vertical longitudinal axis when the vehicle 10 is on substantially horizontal ground.
  • the longitudinal axes of the uprights 60 can be inclined with respect to the vertical to the ground when the vehicle 10 is on substantially horizontal ground.
  • the vehicle 10 comprises a roll-bar 65 fixed to the frame 15 and equipped with a pair of uprights 70 fixed to the frame 15.
  • the uprights 70 have a substantially vertical longitudinal axis when the vehicle 10 is on substantially horizontal ground.
  • the longitudinal axes of the uprights 70 can be inclined with respect to the vertical to the ground when the vehicle 10 is on substantially horizontal ground.
  • the roll-bar 65 is positioned behind the control station 45.
  • the vehicle 10 comprises a management station 75 connected to the group of controls 50 and a battery 80 for the electric power supply of the vehicle itself.
  • the vehicle 10 comprises a protective case 85, which partially surrounds the control station 45 and contains at least the endothermic engine 25 and the oil-hydraulic pump 30 inside it.
  • the hybrid conversion kit 1 comprises a support frame 90, which is for example configured like a framework, i.e. it is equipped with a lower side member and an upper side member, parallel to one another, which are connected at the ends by a pair of mutually parallel vertical uprights.
  • the kit 1 also comprises an electric motor 95 fixed to the support frame 90 and an oil-hydraulic pump 100 actuated by the electric motor 95.
  • the electric motor 95 is for example of the type powered by a voltage of 380V.
  • the electric motor has a power of 7.5Hp.
  • the kit 1 can also comprise a battery B for powering the electric motor 95 (schematically illustrated in figure 4 ).
  • the oil-hydraulic pump 100 of the kit 1 comprises an intake mouth 105, which is connected through an intake duct 110 of the kit 1 to the tank T of the vehicle 10.
  • the oil-hydraulic pump 100 also comprises a delivery mouth 115, which is adapted for being connected through a delivery duct 120 of the kit 1 to the delivery duct 35 of the vehicle 10.
  • the oil-hydraulic pump 100 comprises a plurality of delivery mouths 115, for example one for every delivery mouth of the oil-hydraulic pump 30 of the vehicle 10, and the kit 1 comprises one delivery duct 120 for every delivery duct 35 of the oil-hydraulic pump 30 of the vehicle 10.
  • the kit 1 comprises a first unidirectional valve 125 arranged between every delivery mouth 115 and the respective delivery duct 120.
  • the kit 1 comprises a second unidirectional valve 130 arranged between every delivery mouth of the oil-hydraulic pump 30 of the vehicle 10 and the respective delivery duct 35 of the vehicle 10.
  • the kit 1 comprises a control station 135 configured to selectively prevent the endothermic engine 25 of the vehicle 10 from turning on.
  • the kit 1 comprises a connection cable adapted for connecting the control station 135 of the kit 1 with the management station 75 of the vehicle to selectively prevent the endothermic engine 25 of the vehicle 10 from turning on.
  • the control station 135 is also configured to recharge the battery 80 of the vehicle 10, for example the control station comprises an AC-DC transformer to recharge the battery 80 of the vehicle 10.
  • the kit 1 comprises a recharging cable adapted for connecting the control station 135 to the battery 80 of the vehicle to recharge said battery 80.
  • control station 135 comprises a control panel 140, for example fixedly connected to the support frame 90, equipped with a plurality of controls for actuating the kit itself, i.e. the electric motor 95, the pump 100 and the control station 135.
  • the kit 1 comprises a remote control device 145 of the kit itself, i.e. equipped with a plurality of controls for actuating the electric motor 95, the pump 100 and the control station 135.
  • the remote control device 145 is connected to the control station 135 through a connection cable.
  • the remote control device 145 can be connected to the control station 135 through wireless connection means.
  • the kit 1 comprises a cable-holding device 150, connected to the support frame 90 and adapted for keeping a power supply cable 155, which is adapted for connecting the kit 1, i.e. an electrical socket of the kit 1, to an electricity source, for example to the electrical mains, raised from the ground and projecting externally with respect to the vehicle 10.
  • a cable-holding device 150 connected to the support frame 90 and adapted for keeping a power supply cable 155, which is adapted for connecting the kit 1, i.e. an electrical socket of the kit 1, to an electricity source, for example to the electrical mains, raised from the ground and projecting externally with respect to the vehicle 10.
  • the cable-holding device 150 comprises a holding element of a section of the cable 155 adapted for keeping said section of the cable 155 raised from the ground.
  • the holding element 160 is mobile between a work position, in which it is distal from the support frame 90 and is eccentric in plan to the vehicle 10, arranged laterally thereto with respect to a rectilinear direction of forward motion of the vehicle 10, and a rest position, in which it is proximal to the support frame 90.
  • the holding element 160 can for example comprise a ring 160, preferably a pair of rings 160, adapted for supporting the section of the cable 155.
  • the cable-holding device 150 comprises a rod with one end of which the holding element is associated and that is slidably inserted in a tubular rod fixed to the support frame 90 with respect to a sliding axis substantially perpendicular to the rectilinear direction of forward motion of the vehicle 10.
  • the cable-holding device 150 can comprise a rod with an end of which the holding element 160 is associated and that at the opposite end is hinged to the support frame 90.
  • the kit 1 comprises an anchoring group 165 for anchoring the support frame 90 to the vehicle 10, i.e. to a mounting surface made available on the vehicle 10.
  • the mounting surface consists of a portion of the cabin 55, i.e. the uprights 60.
  • the mounting surface consists of a portion of the roll-bar 65, i.e. the uprights 70.
  • the anchoring group 165 comprises a first guide 170 with which the support frame 90 is slidably associated according to a first sliding axis X.
  • Such a first sliding axis X lies on a substantially horizontal plane.
  • the lower side member of the support frame 90 is slidably associated with the first guide 170.
  • the kit comprises two first guides 170, for example both connected to the lower side member of the support frame 90.
  • the support frame 90 i.e. the lower side member
  • the support frame 90 is mobile between a first position in which the distance between the support frame 90, i.e. the lower side member, and the mounting surface is the minimum, and a second position, in which said distance is the maximum.
  • the kit 1 also comprises locking means adapted for preventing the relative sliding of the support frame 90 with respect to the first guide 170.
  • every first guide 170 comprises a plate equipped with an elongated slot that defines the first sliding axis X, and the locking means comprise a bolt associated with the support frame.
  • Said bolt is equipped with a screw partially inserted and slidably associated with the elongated slot according to the first sliding axis X, so as to also act as a slider for the first guide 170.
  • the kit 1 is equipped with a second guide 180, which is fixed to the first guide 170 and defines a second sliding axis Y perpendicular to the first sliding axis X.
  • said second sliding axis Y lies on the same horizontal plane as the first sliding axis X.
  • the second guide 180 comprises for example a bar having a C-shaped cross section, the concavity of which faces towards the vehicle 10.
  • the second guide 180 has a pair of sliders, slidably associated with it according to the second sliding axis Y, and locking means of the relative sliding of the sliders with respect to the second guide 180.
  • the second guide 180 comprises a pair of hooks 185 slidably associated with the second guide itself, i.e. each sliding as a unit with a respective slider, and configured to be fixed to the mounting surface of the vehicle 10.
  • hooks 185 project canti-levered with respect to the support frame 90, towards the vehicle 10.
  • Such hooks 185 are also slidably associated with said mounting surface, which defines a sliding axis Z, incident with respect to the plane on which the first sliding axis X and the second sliding axis Y lie.
  • said sliding axis Z is perpendicular to the sliding axis X and to the sliding axis Y.
  • each hook 185 is fixed to a respective upright 60 of the driver's cabin 55.
  • each hook 185 is fixed to a respective upright 70 of the roll-bar 65.
  • the hooks 185 each comprise a first portion and a second portion configured to wrap around and clamp the mounting surface, i.e. the respective upright 60,70.
  • the hooks 185 each comprise a flat plate and a pair of U-shaped bars so as to wrap around the respective upright 60,70.
  • the anchoring group 165 also comprises a further pair of hooks 190 slidably associated with the support frame 90 according to a sliding axis W parallel and eccentric to the sliding axis Y.
  • the further pair of hooks 190 can be slidably associated with the support frame 90 also with respect to a sliding axis parallel to the sliding axis X.
  • said further pair of hooks 190 is positioned at a greater height with respect to the second guide 180, and preferably it is slidably associated with a guide 200 fixed to the upper side member of the support frame 90.
  • the kit 1 comprises a casing 195 fixed to the support frame 90 and adapted for protecting the electric motor 95, the oil-hydraulic pump 100 and the control station 135.
  • the kit 1 also comprises a holding element, not illustrated in the drawings, adapted for allowing the kit 1 to be gripped by a crane to lift the support frame 90 to the necessary height to allow it to be fixed to the mounting surface of the vehicle.
  • Such a holding element can for example comprise a pair of eyelets fixed to the upper side member and/or a bar fixed to said side member and arranged with longitudinal axis substantially parallel to the longitudinal axis of said side member.
  • kit 1 The operation of the kit 1 according to the invention is as follows.
  • the kit 1 i.e. the support frame 90, is installed on the vehicle by adjusting the position of the hooks 185,190 with respect to the corresponding guides so as to adapt the position thereof to the configuration of the uprights 50,60 and thereafter lifting it to the height of the uprights 60,70 of the vehicle 10 to proceed to the fixing to the vehicle 10.
  • the operator prevents the endothermic engine 25 of the vehicle 10 from turning on to then start the electric motor 95 of the kit 1.
  • the electric motor 95 actuates the oil-hydraulic pump 100 of the kit that feeds the oil-hydraulic devices 40 of the vehicle, which are then controlled through the group of controls 50 of the control station 45 of the vehicle.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
EP18171164.9A 2017-06-05 2018-05-08 Hybrid-umbausatz Active EP3412836B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000061176A IT201700061176A1 (it) 2017-06-05 2017-06-05 Kit di conversione ibrida

Publications (2)

Publication Number Publication Date
EP3412836A1 true EP3412836A1 (de) 2018-12-12
EP3412836B1 EP3412836B1 (de) 2022-04-20

Family

ID=60081185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18171164.9A Active EP3412836B1 (de) 2017-06-05 2018-05-08 Hybrid-umbausatz

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EP (1) EP3412836B1 (de)
IT (1) IT201700061176A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4306724A1 (de) 2022-07-15 2024-01-17 Yanmar Holdings Co., Ltd. Elektrische arbeitsmaschine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5536205U (de) * 1978-08-25 1980-03-08
DE202009006525U1 (de) * 2009-05-05 2009-07-09 Oms Multi Service Gmbh & Co. Kg Fahrbarer Bagger mit einem Verbrennungsmotor
KR20120137334A (ko) * 2012-11-15 2012-12-20 대호 (주) 어태치먼트 장착장치
EP2711469A1 (de) * 2012-09-25 2014-03-26 Wacker Neuson AG Baumaschine mit Hybridantrieb
US20160096563A1 (en) * 2014-10-01 2016-04-07 Caterpillar Inc. Electric drive retrofit kit
KR20160142584A (ko) * 2015-06-03 2016-12-13 두산인프라코어 주식회사 카운터웨이트 장착 장치

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5536205U (de) * 1978-08-25 1980-03-08
DE202009006525U1 (de) * 2009-05-05 2009-07-09 Oms Multi Service Gmbh & Co. Kg Fahrbarer Bagger mit einem Verbrennungsmotor
EP2711469A1 (de) * 2012-09-25 2014-03-26 Wacker Neuson AG Baumaschine mit Hybridantrieb
KR20120137334A (ko) * 2012-11-15 2012-12-20 대호 (주) 어태치먼트 장착장치
US20160096563A1 (en) * 2014-10-01 2016-04-07 Caterpillar Inc. Electric drive retrofit kit
KR20160142584A (ko) * 2015-06-03 2016-12-13 두산인프라코어 주식회사 카운터웨이트 장착 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4306724A1 (de) 2022-07-15 2024-01-17 Yanmar Holdings Co., Ltd. Elektrische arbeitsmaschine

Also Published As

Publication number Publication date
EP3412836B1 (de) 2022-04-20
IT201700061176A1 (it) 2018-12-05

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