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A working machine, a work attachment and a combination thereof

A technology for operating machinery and accessories, which is applied to mechanically driven excavators/dredgers, electromechanical devices, electrical components, etc., and can solve the problem of not accommodating large battery packs

Active Publication Date: 2020-09-18
VOLVO CONSTR EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is especially a challenge for compact loader vehicles (which may not have room for a large battery pack) attached to work attachments with work implements requiring additional power such as sweepers / rotary brooms or snow blowers

Method used

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  • A working machine, a work attachment and a combination thereof
  • A working machine, a work attachment and a combination thereof

Examples

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Embodiment Construction

[0043] figure 1 A work machine in the form of a loader vehicle 1 is shown, in particular an articulated wheel loader, which is operatively connected to a work accessory 2 via a work accessory connection device 3, which is arranged on the loader vehicle 1 The pair of lifting arms 26. The work accessory connection device 3 includes electrical and mechanical connections. The work attachment 2 is provided with an electrically driven work tool in the form of a sweeper / rotary broom 4. The loader vehicle 1 is fully electrically operated and propelled.

[0044] figure 2 Shows the basis figure 1 A schematic diagram of the electrical connections and components of the working accessory 2 and the loader vehicle 1. Such as figure 2 As shown in, the loader vehicle 1 is provided with a first electric motor 5 arranged to propel the loader vehicle 1 and an additional electric motor 6 arranged to drive a hydraulic pump (not shown) for A hydraulic system (not shown) provides power, for examp...

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PUM

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Abstract

The invention relates to a working machine (1) comprising a work attachment connection arrangement (3, 11a, 15a, 16a) configured to operationally connect to the working machine (1) a work attachment (2) provided with a work tool (4), such as a sweeper / rotary broom, a snow blower or a bucket; and a control system (10, 11) configured to control the operation of the working machine (1) and to, when the work attachment (2) is connected to the working machine (1) via the work attachment connection arrangement (3), control the operation of the work attachment (2). The working machine (1) further comprises: at least a first electric motor (5) configured for operation of the working machine (1); a first rechargeable battery (7) configured to supply the first electric motor (5) with electric power;an electric power circuit (8) connecting the first electric motor (5) and the first rechargeable battery (7), wherein the work attachment connection arrangement (3) comprises a first electrical connector (15a) connected to the electric power circuit (8) of the working machine (1), wherein the first electric connector (15a) is configured to be connected to a corresponding electrical connector (15b) arranged on the work attachment (2), wherein the corresponding electrical connector (15b) is connected to an auxiliary rechargeable battery (17) arranged on the work attachment (2), so as to allow electric connection of the auxiliary rechargeable battery (17) to the electric power circuit (8) of the working machine (1) when the work attachment (2) is connected to the working machine (1) via thework attachment connection arrangement (3). The invention also relates to a work attachment (2) of the above type and a combination of a working machine (1) and a work attachment (2) of the above types.

Description

Technical field [0001] The present invention relates to a work machine such as a loader vehicle, which includes a work accessory connection device configured to operatively connect a work accessory to a work machine, the work accessory being provided with a work tool, such as a sweeper / Rotating broom, snow blower or bucket. The present invention also relates to a work accessory of the above-mentioned type, and a combination of the above-mentioned type of work machine and work accessory. The present invention particularly relates to work machines that are electrically propelled and operated. [0002] The invention is suitable for working machines in the field of industrial construction machinery or construction equipment, especially loaders, vehicles, wheel loaders and the like. Although the present invention will be described for an articulated wheel loader, the present invention is not limited to this specific machine, but can also be used for other work machines that can be c...

Claims

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Application Information

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IPC IPC(8): E02F3/36E02F9/20E02F3/96
CPCE02F3/3654E02F3/96E02F9/2095Y02T10/70H02K11/33B60L50/60B60L53/16B60L1/003B60L2200/40B60L2210/10B60L2210/40E01H1/056E01H5/08E02F3/283E02F3/431E02F9/2025E02F9/2278H02J7/0045H02K11/0094
Inventor 克里斯蒂安·哈恩比约恩·杜泽蒙德
Owner VOLVO CONSTR EQUIP
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