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Electrically-driven demolition robot and power supply system thereof

A demolition robot, electric drive technology, applied in the direction of mechanically driven excavators/dredgers, motor speed or torque control, electric vehicles, etc., can solve the problem of not being able to supply the power grid current of the demolition robot, and the lack of low-voltage power distribution grid And other issues

Inactive Publication Date: 2019-12-17
GEOBRUGG AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When a demolition robot is to be considered for use at a desired location, a problem that often arises is that the location under consideration lacks a fixed low-voltage power distribution grid capable of supplying the required power to the demolition robot, i.e. the grid supplies the required grid voltage, e.g. 400V, but not capable of supplying the grid current needed to dismantle the robot
The need to be able to drive and move a demolition robot for a limited period of time may of course also arise in the event of a major outage or wider loss of grid power

Method used

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  • Electrically-driven demolition robot and power supply system thereof
  • Electrically-driven demolition robot and power supply system thereof
  • Electrically-driven demolition robot and power supply system thereof

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Embodiment Construction

[0019] figure 1 Shown is an electrically driven demolition robot 1 designed as a remote controlled demolition robot, powered via a cable 2 . The demolition robot requires a relatively large energy supply, and in order to be able to supply it with the required power, the power distribution grid normally supplies a grid current of eg 32A at a voltage of 400V. The grid is equipped with fuses to handle these power demands. A remote controlled demolition robot of this type is manufactured and marketed under the trademark "BROKK", and on this demolition robot the operator 3 walks up to the machine and with the aid of a portable control unit 4 carried on the body by a belt or harness or a remote The control unit controls and operates it. The control unit 4 includes control levers, buttons and knobs, through their influence and settings the demolition robot can be made to perform the required actions, or through the input of data, the demolition robot can be provided with the requir...

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Abstract

The invention relates to an electrically-driven demolition robot and a power supply system thereof. The electrically-driven demolition robot comprises a continuous track (8b) and is equipped with: a propulsion unit; a steerable arm (10) intended to carry a tool at its free end; and an electric motor (19) connected to the hydraulic pump (20) and intended to supply hydraulic medium to an operating instrument (8c, 10a) of the machine, where the working machine is intended to be connected in normal operation to a main power source (30a) via a cable (2'), the main power source comprising a fixed alternating current distribution grid at the location. The power supply system comprises: a secondary power source (30b) comprising a DC energy storage device (29) capable of storing energy and supplying energy in the form of electricity if necessary, in order to be able to supply the required current; and coupling means (31, 33, 34, 34') such that either the primary power source (30a) or the secondary power source (30b) can be selected to be connected to the electric motor to drive the electric motor.

Description

[0001] This application is a divisional case of an invention patent application with the application number 2013800212780 and the application date is April 19, 2013, and the invention name is "portable power supply system for electrically driven working machines and working machines equipped with such a power supply system" Apply. technical field [0002] The invention relates to an electrically driven demolition robot and its power supply system. Background technique [0003] Remotely controlled demolition robots of this type typically include a chassis having an upper part and a lower part. The upper part is mounted on bearings on the lower part in a manner that allows rotation to swing in a horizontal plane about a vertical axis, and the upper part supports a steerable arm provided with a quick release coupler at the end of the steerable arm to support Various types of tools. The lower part of the demolition robot is provided with propulsion means comprising continuous ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F3/96E02F9/20
CPCE02F3/966E02F9/2004E02F9/205E02F9/207E02F9/2091Y02T10/72E02F9/22H02J9/062B60L15/20B60L15/40H02P4/00
Inventor 贡纳尔·比斯泰特
Owner GEOBRUGG AG