ELECTRIC CONSTRUCTION MACHINE
First Claim
1. An electric construction machine having a battery device mounted on a rear part of a vehicle body thereof, the electric construction machine performing operations by driving an electric motor with the battery device,wherein the vehicle body is made up of a vehicle main body and a vehicle rear part,wherein the vehicle main body includes a vehicle body frame to whose front a work implement is attached and a cab seat and a machine room, the cab seat and the machine room being provided on the vehicle body frame,wherein the vehicle body frame includes a main frame to whose front the work implement is attached,wherein the main frame has an overhanging part overhanging and extending in a longitudinal direction to reach the underside of the vehicle rear part,wherein the vehicle rear part includes a rear frame to be mounted on the overhanging part and a rear cover covering the rear frame, the rear cover forming therein a battery room in which the battery device is arranged and having a shape imitating a counter weight, andwherein the rear frame mounted on the overhanging part is fixed on the overhanging part using a bolt and is detachable from the overhanging part by removing the bolt.
1 Assignment
0 Petitions
Accused Products
Abstract
An electric construction machine that enables quick and easy replacement of the battery device with different types of battery devices is provided. An upper swing structure has a vehicle main body and a vehicle rear part. The battery device is mounted on the vehicle rear part and the vehicle rear part is attachable and detachable to/from a vehicle body frame of the vehicle main body using a bolt. A main frame overhangs and extends in a longitudinal direction to reach the underside of the vehicle rear part. The vehicle rear part also includes a rear frame to be mounted on the main frame and is fixed with the bolt and a rear cover covering the rear frame forming a battery compartment, and having a shape imitating a counter weight.
14 Citations
10 Claims
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1. An electric construction machine having a battery device mounted on a rear part of a vehicle body thereof, the electric construction machine performing operations by driving an electric motor with the battery device,
wherein the vehicle body is made up of a vehicle main body and a vehicle rear part, wherein the vehicle main body includes a vehicle body frame to whose front a work implement is attached and a cab seat and a machine room, the cab seat and the machine room being provided on the vehicle body frame, wherein the vehicle body frame includes a main frame to whose front the work implement is attached, wherein the main frame has an overhanging part overhanging and extending in a longitudinal direction to reach the underside of the vehicle rear part, wherein the vehicle rear part includes a rear frame to be mounted on the overhanging part and a rear cover covering the rear frame, the rear cover forming therein a battery room in which the battery device is arranged and having a shape imitating a counter weight, and wherein the rear frame mounted on the overhanging part is fixed on the overhanging part using a bolt and is detachable from the overhanging part by removing the bolt.
Specification