摘要:
The invention relates to a device for measuring forces, especially weights, or force-dependent variables such as pressure and torque. Said device comprises a measuring element (1, 3) that deforms when force is applied and a sensor element (4) which is connected to the measuring element and deforms along with said measuring element so as to generate a measurement signal. Also disclosed is a method for producing such a device. According to the invention, a support element (3) which is welded to the remainder of the measuring element is provided for the sensor element (4). The sensor element is applied to the support element (3) before the support element (3) is welded to the remainder of the measuring element (1).
摘要:
A transducer (1) of radial forces, in particular apt to be applied for determining the radial efforts acting on rotating shafts during the rotation thereof, by determining the minimum amount of space, comprises: a base member (2), apt to be applied to a frame, substantially shaped like a ring and comprising a central opening (4) for the passage of a rotating shaft, defining a longitudinal direction coinciding with the axis of said rotating shaft; and a first and a second bridge-like structure (5, 11), extending from a point of said base member (2) to an opposite point thereof, crossing said central opening, comprising respective opposed pillars (6, 12), extending parallel to said longitudinal direction, and a respective cross-piece (9, 5) joining the distal tops of the two opposed pillars, each cross- piece having a passage hole acting as bushing for said shaft; and each pillar having at least a respective strain gauge applied on its own surface (8, 5), oriented according to said longitudinal direction.
摘要:
A method is described for measuring the chain force (FK) in a drive chain (26) engaging on a body (20) that is rotatable around an axle (21) which is fixed in a frame (10) at at least two connecting points (22, 23) . The method comprises the steps of : measuring the reaction force (FL) between axle (21) and frame (10) at a first connecting point (22) ; measuring the reaction force (FL) between axle (21) and frame (10) at a second connecting point (23); and adding the two measured reaction forces (FL; FR) .
摘要:
A load sensor substrate and a load sensor having a simple structure and a high strength and a high measurement accuracy. Four small holes (21 to 24) are bored in a metallic disc (10) symmetrically with respect to orthogonal axes (L1, L2) whose intersection is the center (Oo) of the disc. Strain gauges (31 to 34) having sensitivity directions which are the directions of the orthogonal axes are disposed between the adjacent holes (21 to 24). A load sensor is produced by fixing a load sensor substrate (100g) in a recess (320) of a pin (300), sealing the upper part of the recess (320) by a plug (330) and integrating it with the pin (300).
摘要:
A bicycle(10) includes a frame(25) having a bottom bracket(40), a crankset(35) attached to the bottom bracket(40), a pedal(50) coupled to the crankset(35) and operable to propel the bicycle(10) in response to a force acting on the pedal(50). The bicycle further includes a first bicycle component acted upon by the pedal(50) in response to the force, a second bicycle component coupled and responsive to the first bicycle component, and a power vector sensor(85) coupled to and positioned between the first bicycle component and the second bicycle component, and the power vector sensor(85) includes a sensor element(100) to sense a force transferred from the first bicycle component to the second bicycle component and indicative of the force acting on the pedal(50).
摘要:
A force meter for a shaft (3), bolt or similar element to be located in a support structure (7) for the element (3) comprises a ring (6) which encircles the element (3) and forms a part of the support thereof in the supporting structure (7), so that the force (R) to be measured is transmitted through the force meter (6) from the element (3) to the supporting structure (7). The force meter has at least one measuring beam (11), which at its supports (12) is delimited by slots (13, 14), one (14) of the slots serving as an overload safety for the beam (11). The force meter (6) may have several beams (11) arranged one after the other in the circumferencial direction, so that forces may be measured in any direction. If the element (3) is rotating, a bearing (5) may be arranged between the element and the force meter (6). The force meter may be used i.a. in shafts in mooring, hose, crane or anchor winches, or gear boxes (1) therefore, and in crane sheaves.
摘要:
Es wird ein Kraftmesselement mit einem Bolzen (2) auf dem eine Membran (3) aufgebracht ist vorgeschlagen, wobei die Membran (3) von einer Hülse (1) umgeben ist, auf die quer zur Längsrichtung des Bolzens (2) eine zu messende Kraftkomponente aufgebracht wird, wobei die Hülse (1) derart zum Bolzen (2) beabstandet ist, dass die Membran (3) in Abhängigkeit von der Kraftkomponente gedehnt wird, wobei auf der Membran (3) eine Sensorik (14 bis 16) zur Messung der Dehnung vorgesehen ist.
摘要:
Die Erfindung betrifft eine Vorrichtung zur Messung von Kräften, insbesondere Gewichten, oder kraftabhängigen Größen, wie Druck und Drehmoment, mit einem sich unter Krafteinwirkung verformenden Messkörper (1, 3) und einem mit dem Messkörper verbundenen, sich mit dem Messkörper unter Erzeugung eines Messsignals verformenden Sensorelement (4), sowie ein Verfahren zur Herstellung einer solchen Vorrichtung. Gemäß der Erfindung ist für das Sensorelement (4) ein mit dem übrigen Messkörper verschweißtes Trägerelement (3) vorgesehen. Das Sensorelement wird vor dem Verschweißen des Trägerelements (3) mit dem übrigen Messkörper (1) auf das Trägerelement (3) aufgebracht.
摘要:
A housing device (1), provided with a system (9) for detecting the load applied to an element ( 15) arranged in said housing (1), comprises an inner part (3) adapted to support said element ( 15) and an outer part (2), said inner and outer parts (2, 3) being linked by at least two deformable connecting elements (5, 6), such that the inner part (3) may be displaced relative to the outer part (2) under the action of a load applied to said element (15), the system (9) for detecting the applied load comprising first detection means ( 10) for directly detecting the displacement of one of the parts (3), relative to the other part (2), under the action of a load applied to said element (15). Said housing (1) comprises a deformable ring (7) mounted in the bore (3a) of the inner part (3).
摘要:
A method is described for measuring the chain force (FK) in a drive chain (26) engaging on a body (20) that is rotatable around an axle (21) which is fixed in a frame (10) at at least two connecting points (22, 23) . The method comprises the steps of : measuring the reaction force (FL) between axle (21) and frame (10) at a first connecting point (22) ; measuring the reaction force (FL) between axle (21) and frame (10) at a second connecting point (23); and adding the two measured reaction forces (FL; FR) .