The application relates to a device for measuring the weight of a ballast assembly of a crane, and to a crane comprising a corresponding device. The device may include a ballast assembly coupled to the structure of the crane by seats, the seats may comprise a measurement shaft, and the measurement shaft deforming under a weight of the ballast assembly.

The application relates to a device for measuring the weight of a ballast assembly of a crane, and to a crane comprising a corresponding device. The device may include a ballast assembly coupled to the structure of the crane by seats, the seats may comprise a measurement shaft, and the measurement shaft deforming under a weight of the ballast assembly.

A load sensing system having at least one load sensing assembly for use with a weigh frame, each assembly including at least a first lever and a second lever. Each lever has a lever longitudinal axis, a lever fulcrum section, a lever load section, and a lever connector section spaced from the lever fulcrum section and the lever load section along the lever longitudinal axis. For each lever, a flexure plate is aligned in parallel with the lever longitudinal axis and has a middle bearing portion and opposing end portions with one of the end portions fixedly attached to its respective lever. Each lever fulcrum section has a lever bearing surface including one of (i) a line-of-contact rounded bearing edge oriented perpendicular to the lever longitudinal axis or (ii) a flat bearing face. The lever bearing surface of each lever touches the middle bearing portion of the flexure plate. Each assembly further includes a sensor having a support surface, a force transmission platform, and an output representative of total force applied to the force transmission platform. At least one force transmission link is adapted to connect each lever connector section to the force transmission platform, and at least one load link is adapted to connect the lever load section of each lever to the weigh frame.

A load sensing system having at least one load sensing assembly for use with a weigh frame, each assembly including at least a first lever and a second lever. Each lever has a lever longitudinal axis, a lever fulcrum section, a lever load section, and a lever connector section spaced from the lever fulcrum section and the lever load section along the lever longitudinal axis. For each lever, a flexure plate is aligned in parallel with the lever longitudinal axis and has a middle bearing portion and opposing end portions with one of the end portions fixedly attached to its respective lever. Each lever fulcrum section has a lever bearing surface including one of (i) a line-of-contact rounded bearing edge oriented perpendicular to the lever longitudinal axis or (ii) a flat bearing face. The lever bearing surface of each lever touches the middle bearing portion of the flexure plate. Each assembly further includes a sensor having a support surface, a force transmission platform, and an output representative of total force applied to the force transmission platform. At least one force transmission link is adapted to connect each lever connector section to the force transmission platform, and at least one load link is adapted to connect the lever load section of each lever to the weigh frame.

A weight sensing pad assembly includes a pad that is comprised of a resiliently compressible material. The pad is positionable beneath a mattress of an ambulance gurney. In this way the pad is exposed to the weight of a patient lying on the ambulance gurney. An electronic scale is integrated into the pad to sense the weight of the patient when the patient lies on the ambulance gurney. The electronic scale displays weight indicia comprising numbers communicating the weight of the patient in kilograms. In this way the electronic scale facilitates emergency responders to accurately determine medication dosages that are based on the patient's weight.

A weight sensing pad assembly includes a pad that is comprised of a resiliently compressible material. The pad is positionable beneath a mattress of an ambulance gurney. In this way the pad is exposed to the weight of a patient lying on the ambulance gurney. An electronic scale is integrated into the pad to sense the weight of the patient when the patient lies on the ambulance gurney. The electronic scale displays weight indicia comprising numbers communicating the weight of the patient in kilograms. In this way the electronic scale facilitates emergency responders to accurately determine medication dosages that are based on the patient's weight.

A weight sensing pad assembly includes a pad that is comprised of a resiliently compressible material. The pad is positionable beneath a mattress of an ambulance gurney. In this way the pad is exposed to the weight of a patient lying on the ambulance gurney. An electronic scale is integrated into the pad to sense the weight of the patient when the patient lies on the ambulance gurney. The electronic scale displays weight indicia comprising numbers communicating the weight of the patient in kilograms. In this way the electronic scale facilitates emergency responders to accurately determine medication dosages that are based on the patient's weight.

A weight sensing pad assembly includes a pad that is comprised of a resiliently compressible material. The pad is positionable beneath a mattress of an ambulance gurney. In this way the pad is exposed to the weight of a patient lying on the ambulance gurney. An electronic scale is integrated into the pad to sense the weight of the patient when the patient lies on the ambulance gurney. The electronic scale displays weight indicia comprising numbers communicating the weight of the patient in kilograms. In this way the electronic scale facilitates emergency responders to accurately determine medication dosages that are based on the patient's weight.

A weighing device includes a weighing module, a processor, and an output device. The weighing module includes a suspension component, a deformation component, and a sensor. The deformation component includes an elastic piece, a connecting portion, and a fixing portion. The elastic piece is coupled between the connecting portion and the fixing portion. The suspension component includes a hook and a lanyard. One end of the lanyard is fixed to the connecting portion, and a second end of the lanyard is passed through the fixing portion and coupled to the hook. When the hook suspends an object to be weighed, the hook moves the connecting portion toward the fixing portion and deforms the elastic piece. The sensor detects a deformation amount of the elastic piece. The processor calculates a weight of the object according to the deformation amount and an elastic coefficient of the elastic piece.

A weighing device includes a weighing module, a processor, and an output device. The weighing module includes a suspension component, a deformation component, and a sensor. The deformation component includes an elastic piece, a connecting portion, and a fixing portion. The elastic piece is coupled between the connecting portion and the fixing portion. The suspension component includes a hook and a lanyard. One end of the lanyard is fixed to the connecting portion, and a second end of the lanyard is passed through the fixing portion and coupled to the hook. When the hook suspends an object to be weighed, the hook moves the connecting portion toward the fixing portion and deforms the elastic piece. The sensor detects a deformation amount of the elastic piece. The processor calculates a weight of the object according to the deformation amount and an elastic coefficient of the elastic piece.