Disclosed is a dumping work determination system (100) for a haulage vehicle provided with a body frame (2), a vessel (6) and a drive mechanism (14) for selective raising or lowering of the vessel (6). The system is applicable to the vehicle to determine a state of loading in the vessel (6) in…
The hybrid construction machine includes an engine (11), an electric motor/generator (14), a hydraulic pump unit (17), an electricity storage device (16), an inverter (15), a temperature regulator (16D or 16E), and a hybrid control unit (22). The hybrid control unit (22) executes at least one of…
To provide a work machine that can suppress a steep fluctuation in engine power. The present invention includes an engine 11; a hydraulic pump 12 that is driven by the engine 11; a hydraulic actuator 17 that is driven by pressure oil discharged from the hydraulic pump 12; a motor generator 13 that…
The hybrid construction machine includes an engine (11), an electric motor/generator (14), a hydraulic pump unit (17), an electricity storage device (16), an inverter (15), a temperature regulator (16D or 16E), and a hybrid control unit (22). The hybrid control unit (22) executes at least one of…
To provide a work machine that can suppress a steep fluctuation in engine power. The present invention includes an engine 11; a hydraulic pump 12 that is driven by the engine 11; a hydraulic actuator 17 that is driven by pressure oil discharged from the hydraulic pump 12; a motor generator 13 that…
An operation management system for dump trucks includes a storage device 130, 170 in which map data indicative of a road map for dump trucks are stored, a plurality of dump trucks 200 configured to travel based on the map data, and a control device 100, 150 configured to permit, upon updating of…
An operation management system for dump trucks includes a storage device 130, 170 in which map data indicative of a road map for dump trucks are stored, a plurality of dump trucks 200 configured to travel based on the map data, and a control device 100, 150 configured to permit, upon updating of…
A dump truck includes a plurality of rear wheels (15) rotatably attached to a frame (11) and two GPS receivers (101, 102) arranged to be dislocated from each other in an anteroposterior direction of a vehicle. Any point selected from an area C, in the vehicle coordinates system B set in the dump…
For monitoring around working machine having a working member connected to a swiveling structure rotatably mounted on a traveling structure, to perform working by the operation of the working member which comprises, plural number of cameras installed for the swiveling structure, so as to overlap…
A work machine prevents a fault in a swing electric motor if an uneven coil temperature increase occurs in the swing electric motor during swing press operation and related operations. The work machine includes: a swing structure (20); an electric motor (25) for driving the swing structure; an…
A tank bracket (23) is formed by a bottom surface part (24) having a first frame body (24A), a second frame body (24B), a third frame body (24C), and a fourth frame body (24D), a first side surface part (25) supported by the first frame body (24A) of the bottom surface part (24) and provided in a…
A hybrid work machine includes: an engine controller (14) that controls rotational speed of an engine (7) in accordance with a target rotational speed input from an EC dial (31); an assist motor (10) that generates electricity using power of the engine (7); a hydraulic pump (6) operated using power…
An abnormality control device for a construction machine includes: an abnormality detection means for detecting abnormality of an apparatus installed on the construction machine; an abnormality information output means for outputting abnormality information about the apparatus detected by the…
An inlet port (17A) of a first exhaust gas purifying device (16) is provided on a side opposite to an engine (8) by sandwiching an axis (O1-O1) of a cylindrical body (17) of the first exhaust gas purifying device (16). An exhaust pipe (26) connecting the engine (8) and the first exhaust gas…
To provide construction machinery capable of more efficiently utilizing the energy of return hydraulic oil from a hydraulic actuator. The present invention is provided with: an engine 11; a hydraulic pump 12 that is driven by the engine 11; a hydraulic actuator 17 that is driven by fluid discharged…
To stop a transport vehicle when the transport vehicle is brought into contact with a bund even where a sensor used for contact judgment is not employed or falls in failure. A traveling stop control device for a transport vehicle includes: a torque command value setting module 502 that sets a…
To make a transport vehicle stop close to a bund in dependence on the shape of the bund. A stop position determining device for a transport vehicle includes: a bund identification module (520) that identifies the shape of a bund (400) provided on a traveling surface based on information from an…
Disclosed is a position calculating system for a haulage vehicle including wheels and a body frame 22 mounted on the wheels. The system includes an attitude detection sensor fixed on the body frame, a wheel rotational speed sensor 103, a loading status information acquiring unit 111, a correction…
A work machine includes: a vehicle body frame of the work machine; an engine mounted on the vehicle body frame; an engine cover covering over a top of the engine and fixed to the vehicle body frame via a column; a first exhausting device having a tubular appearance; a second exhausting device…
A vehicle status judging unit determines whether the following conditions are met: the shift position of a shift lever 4 is the F or R position (condition 1); brakes (5, 6, 8) are inactive (condition 2); the vehicle stands still (condition 3); the depressed amount of an accelerator pedal 9 is equal…
To provide a construction machine that appropriately sets the magnitude of an engine output for each work mode. A construction machine according to the present invention includes: an engine (22); a generator-motor (23) configured to generate electric power by the engine; a hydraulic pump (41)…
To provide a hybrid construction machine capable of suppressing unnecessary motive power assistance to an engine (11) with a motor generator. The present invention has an engine rotation speed sensor 11A to detect a rotation speed NE of an engine 11, an engine state determination unit 20B to…
At a time of surrounding situation of a slewing-type work machine, a precise interference scope is to indicate. For this purpose, the present invention comprises plural number of cameras 13 for respectively imaging toward different and downward directions, a view point converting section 21 for…
An electric power storage device (19) disposed on a revolving frame (6) located closer to an upstream side in a flow direction of cooling air (F) than a heat exchanger (18) is provided on an upper revolving structure (4). The electric power storage device (19) has a box-shaped casing (20) forming…
There is provided a vehicle peripheral obstacle notification system which, used on a construction machine, detects a moving obstacle, gives composite display of the detected moving obstacle, and notifies a user thereof, the moving obstacle being at a location not appearing in a composite bird's-eye…
A cab rear extension beam (14) that is positioned in a front side to a heat exchanger (26) to support a rear side of said cab (28) is provided. The cab rear extension beam (14) includes a rising plate part (14A) that rises from a bottom plate (6), an upper horizontal plate part (14B) that is bent…
In a NOx selective catalytic reduction device that purifies NOx in exhaust gas exhausted from an engine (10), a urea water supply system is constructed of a urea water injection valve (20), a urea water tank (24), urea water supply piping (22) and a urea water supply device (30), a connection frame…
There are provided a work vehicle comprising a motor generator (6) driven by an engine, a hydraulic pump (4) driven by at least either of the motor generator and the engine, a work device (50) driven by hydraulic fluid from the hydraulic pump, a electric traction motor (9) driving wheels (61), an…
To provide a travel control device for a working vehicle, including a speed change lever that is applicable even when a transmission in which speed stages are set to be larger by one stage is applied, the travel control device comprises a switching device (41) that switches speed changed by a…
A lower traveling structure (2) having front wheels (16) and rear wheels (17) provided on a chassis (12) extending in a front and rear direction, an upper revolving structure (4) rotatably mounted on the chassis (12), and a working mechanism (11) provided on a front side of the upper revolving…