Abstract: A motor assembly includes a motor, an electric pump to supply oil to the motor, an inverter assembly connected to the motor, and a first wire harness and a second wire harness. The inverter assembly includes an inverter to convert a high-voltage direct current into an alternating current and supply the alternating current to the motor, and a controller to control the inverter and the electric pump. The first wire harness electrically connects an external power supply and the inverter assembly, and passes a low-voltage power supply line. The low-voltage power supply line is, at a branch point, branched into a controller power supply line to supply drive power to the controller and a pump power supply line to supply drive power to the electric pump.

Abstract: A construction target indicator device 30 presents information to the operator of a construction machine 1 in order to facilitate the operation thereof. In the construction target indicator device 30, a laser distance measurement device 20 disposed in the operator's cabin of the construction machine 1 automatically measures the real-time positions of a construction surface 15, reference markers 17 and a bucket 6. A calculation device 32 calculates the cross-sectional shapes of the construction surface 15 and the bucket 6, calculates a virtual line corresponding to a target sloped surface, and creates an image which depicts the cross-sectional shapes of a construction surface 15 and a bucket 6, and a virtual line. The display device 34 displays this image on the display screen. The operator is able to perform accurate excavation work by moving the bucket 6 in line with the virtual line on the display image.

Abstract: The present invention allows simple setting of the operating environment that is required when the access destination of the mobile communications terminal is altered. The mobile communications terminal mounted on the construction machinery has a satellite communications terminal and a wireless LAN terminal. When the construction machinery is disposed on a new construction site, the mobile communications terminal sends operating environment setting requests and position information from the satellite communications terminal to the control server. In response to these requests, the control server selects operating environment setting data for the wireless LAN of the construction site on the basis of the received position information, and sends this data to the satellite communications terminal of the mobile communications terminal. The mobile communications terminal automatically sets the operating environment of the wireless LAN-terminal on the basis of the received setting data.