The present invention relates to an apparatus and method for controlling a hydraulic pump of a construction machine. The disclosed apparatus of the present invention comprises: a pump control unit which controls a discharge pressure of the hydraulic pump driven by an engine wherein the pump control unit includes a s...

The present invention relates to a communication method for monitoring the position of a construction machine. The communication method according to the present invention includes: generating positional information of the construction machine and at least one piece of state information and at least one piece of o...

The present invention relates to a sliding bearing including a lubricating oil storing unit storing lubricating oil on the surface thereof and the sliding bearing of the present invention is provided so that the volume of the lubricating oil storing unit occupies 5 to 30 volume % of the entire volume of the slidi...

The present invention relates to a system and a method for information management of a construction machinery using a communication terminal mounted on the construction machinery. To this end, the information management system of the construction machinery of the present invention includes: a control server manag...

The present invention relates to an apparatus for contingency controlling an engine rotational speed of a heavy construction equipment, which is capable of contingency controlling the speed of an engine when a controller of the heavy construction equipment such as an excavator does not operate normally. The appa...

The present invention relates to a method for setting a remote transmission cycle of information of a construction machinery for enabling a user or a provider to directly set the transmission cycle of the information of the construction machinery. To this end, the present invention enables the user or provider to...

The present invention relates to an electronic hydraulic control apparatus using variable behavior characteristics and to a method for same which in particular involve detecting the manipulation of an electronic joystick of an electronic hydraulic system in a positive (+) direction and a negative ( ) direction with ...

The present invention discloses a seat base sliding device applied to a seat of a heavy machinery such as a loader, an excavator, or the like. The seat base sliding device includes: a seat base 11 with a lower part is fixed to a floor of a vehicle body and an upper part at which a seat 4 is installed; a sliding p...

The present invention relates to a device for controlling a hydraulic pump of construction machinery. The device has a first pump (10) supplying working fluid through a swing control valve (31) to a swing motor (30), and a second pump (20) supplying working fluid through a work tool control valve (41) to a work tool...

The present invention relates to a system and a method of remote management of a construction equipment for controlling transmission and reception of data of the construction equipment in a a key-off state. To this end, a system of remote management of a construction equipment according to the present invention i...

According to one aspect of the present invention a power control apparatus for construction machinery comprises: an engine (10) connected to a hydraulic pump (20) to drive the hydraulic pump (20); and a control unit (60) which calculates an engine load ratio defined as a ratio of a load torque of the engine (10) to ...