MANITOU BF

The invention relates to a safety system for a handling machine comprising: a controller ( 32, 271, 202, 19 ) configured to: determine a stability state of the handling machine; determine an allowable deceleration of the handling machine based on the stability state, the allowable deceleration being capable of stopping the handling machine without causing the handling machine to tip over; determine a minimum stopping distance based on a current travel speed of the handling machine and the permissible deceleration, determine a maximum permissible stopping distance; in response to determining that the minimum stopping distance is or becomes greater than the maximum permissible stopping distance, transmit a signal to an element of the handling machine to reduce the travel speed.

An electric or hybrid working vehicle comprises a chassis comprising two parallel longitudinal members, a lifting arm extending parallel to the longitudinal axis, the lifting arm being articulated on the two longitudinal members between the two longitudinal members so as to be pivotable about a pivot axis extending perpendicularly to the longitudinal axis. A pair of front wheels is mounted on a front end portion of the chassis and a pair of rear wheels is mounted on a rear end portion of the chassis. Each of the wheels is rotated by a drive device ( 21 ) independent of all the other wheels, is suspended on the chassis by a suspension device ( 31, 34, 40 ) independent of all the other wheels, and is orientable with respect to the chassis by an orientation device ( 48 ) independent of all the other wheels.

The invention relates to a handling machine ( 1 ) comprising sensors ( 16, 18 ) configured to measure an extension range of the handling arm and an angle of inclination of the handling arm ( 6 ) relative to a horizontal plane or relative to the main body ( 2 ) of the handling machine, and a control unit ( 10 ) configured to: determine a cut-off threshold value as a function of the extension range and the angle of inclination of the handling arm ( 6 ), such that the cut-off threshold value is an increasing function of an effective distance ( ) between the second end of the handling arm ( 6 ) and the tilt axis, wherein the effective distance ( ) represents a distance projected onto a horizontal axis or onto a longitudinal axis of the main body, stop a movement of the handling arm in response to a detection that the instability signal is greater than the cut-off threshold value.

Handling vehicle ( 1 ) comprising a chassis ( 2 ), an arm ( 5 ) coupled by a pivot link ( 6 ) to the rear of the chassis for a pivoting movement between a lower position and an upper position, a front set ( 7 ) of steered wheels ( 8 ), a rear set ( 9 ) of steered wheels ( 10 ), an electric drive unit for the steered wheels ( 8; 10 ) which is powered by a battery ( 11 ). The battery ( 11 ) is arranged at least partially below the arm ( 5 ), a first part of the battery ( 11 ) extends on the vehicle ( 1 ) in front of the pivot axis of the pivot link ( 6 ) of the arm ( 5 ) to the chassis, a second part of the battery ( 11 ) extends on the vehicle ( 1 ) behind the pivot axis of the pivot link ( 6 ) of the arm ( 5 ) to the chassis, and the battery ( 11 ) is arranged inside the turning circle.

The invention relates to a machine ( 1 ) for handling loads ( 24 ), comprising: —a frame ( 2 ) equipped with a driving station ( 15 ), —a load handling system ( 4 ) carried by the frame, a device ( 6 ) for controlling the load handling system ( 4 ), wherein this control device ( 6 ) that can be manually actuated by an operator comprises a manual part ( 61 ) configured to be manually grasped, —a control unit ( 5 ), the control unit ( 5 ) being configured to receive control signals from said control device ( 6 ), —a member ( 7 ) for activating the manually actuatable control device ( 6 ), wherein the control unit ( 5 ), in the actuated state of the activating member ( 7 ), is configured to authorize the control of the handling system ( 4 ) as a function of at least the control signals received from the control device ( 6 ), characterized in that the driving station ( 15 ) is equipped with a detection system ( 16 ) for detecting a presence or absence of the operator at said station ( 15 ), this detection system ( 16 ) comprising at least one presence sensor ( 17 ) distinct from the control device ( 6 ), and characterized in that the control unit ( 5 ), in the non-actuated state of the activating member ( 7 ) and after passing from the actuated state to the non-actuated state of the activating member ( 7 ), is configured to prevent or authorize the control at least of the handling system ( 4 ) with the control device ( 6 ) at least as a function of the absence or presence status of the operator detected by the system ( 16 ) for detecting a presence of the operator at said station ( 15 ).

The invention relates to a handling machine comprising a hydraulically actuable member (OF), a hydraulic actuating device (DA) configured to actuate the member (OF); a system of solenoid valves (EV 1, EV 2 ); a hydraulic connecting line (LR) between the solenoid valves; a pressure sensor (CP 1 ) in the connecting line (LR); a feed line (LA) which connects the second solenoid valve (EV 2 ) to the actuating device (DA), a pressure sensor (CP 2 ) in the feed line (LA). The control system ( 130 ) is configured to detect a malfunction of at least one of the solenoid valves (EV 1, EV 2 ) depending on one or more pressures measured by the or one of the pressure sensors (CP 1, CP 2 ) and on the electrically powered state of one or more solenoid valves.

A load-handling vehicle comprising a load-handling member, a jack for lifting the load-handling member, and a fluid source is provided. The jack may include a lifting chamber and a lowering chamber. The fluid source may be coupled to the lifting chamber and the lowering chamber at a first fluid connection and a second fluid connection, respectively. The first fluid connection may comprise a safety valve normally open in a direction of the flow from the fluid source toward the lifting chamber and normally closed in a direction of flow from the lifting chamber toward the fluid source. A pressure-sensitive valve arranged on the second fluid connection may be controlled in response to the pressure between the safety valve and the fluid source. Additionally, a unidirectional fluid circulation line may fluidly couple the first fluid connection and the second fluid connection.

The invention relates to a handling machine ( 1 ) comprising: a chassis ( 2 ); a lifting arm ( 20 ); a front axle ( 3 ) and a rear axle ( 4 ); a cab ( 6 ) which is positioned between the front axle ( 3 ) and the rear axle ( 4 ) and on a first side of the lifting arm ( 20 ); at least one electric motor; a first and a second electrical energy storage unit which are connected to the at least one electric motor and fixed to the chassis ( 2 ) on either side of the lifting arm ( 20 ), the first electrical energy storage unit ( 40 A) being positioned to the rear of the cab ( 6 ) on the first side of the lifting arm ( 20 ) and the second electrical energy storage unit ( 40 B) being arranged on a second side of the lifting arm ( 20 ), opposing the first side, at least partially opposite the first electrical energy storage unit in a transverse direction at right-angles to the median longitudinal plane.

Forklift truck ( 1 ) mounted on a carrier vehicle and comprising a frame ( 16 ), forks ( 2 ), a lifting cylinder ( 4 ) for relatively moving the forks ( 2 ) and the frame ( 16 ) so as to allow, in a handling mode of operation, wherein the forks ( 2 ) are mounted so as to move freely upwards and downwards relative to the ground, the forks ( 2 ) to be lifted, and in a carrying mode of operation, wherein the forks ( 2 ) are in the high position and immobilised so that they do not move upwards and downwards relative to the ground, to allow the frame to be lifted ( 16 ), each chamber ( 7, 8 ) of the cylinder ( 4 ) being provided with a connecting fluid duct which connects the chamber ( 7; 8 ) to a hydraulic source. In the handling mode of operation, the forks ( 2 ) form an element which is used to actuate the lifting cylinder ( 4 ) in the direction in which the forks ( 2 ) are lowered, the fluid ducts of the chambers ( 7, 8 ) of the lifting cylinder ( 4 ) being connected to one other by a fluid connection provided with a closing member in the closed position at least in the carrying mode of operation when the frame ( 16 ) is being driven in the direction in which the frame ( 16 ) is lifted.

The invention relates to a handling machine ( 1 ) comprising: a rotating chassis; a lifting arm ( 7 ); a first assembly comprising a device for storing electrical energy ( 9 ); a second assembly comprising a fuel cell ( 10 ) which is connected to the device for storing electrical energy ( 9 ) via a connecting circuit ( 35 ); and a third assembly comprising at least one tank ( 11 ); wherein one of the first, the second and the third assemblies is fixed to one of the lower and upper structures ( 2, 3 ) and the two others of the first, second and third assemblies are fixed to the other of the lower and upper structures ( 2, 3 );