EP3894814A1 - Dispositif pour déterminer la flexion d'un composant et procédé pour fabriquer un tel dispositif - Google Patents

Dispositif pour déterminer la flexion d'un composant et procédé pour fabriquer un tel dispositif

Info

Publication number
EP3894814A1
EP3894814A1 EP19816618.3A EP19816618A EP3894814A1 EP 3894814 A1 EP3894814 A1 EP 3894814A1 EP 19816618 A EP19816618 A EP 19816618A EP 3894814 A1 EP3894814 A1 EP 3894814A1
Authority
EP
European Patent Office
Prior art keywords
carrier
measuring
section
arrangement
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19816618.3A
Other languages
German (de)
English (en)
Inventor
Stefan - c/o Continental Automotive GmbH SCHRADI
Florian - c/o Continental Automotive GmbH GOLDSCHMIDT
Tobias - c/o Continental Automotive GmbH STALLER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Automotive Technologies GmbH
Original Assignee
Continental Automotive GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP3894814A1 publication Critical patent/EP3894814A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
    • G01G3/1402—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
    • G01G19/12—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles having electrical weight-sensitive devices

Definitions

  • the invention relates to an arrangement for determining the
  • the weight of a vehicle For various reasons, it may be necessary to determine the weight of a vehicle. For example, it may be necessary to determine whether the payload or the permissible total weight of a vehicle is exceeded after the vehicle has been loaded. For safety reasons, it is generally not permitted to exceed the payload or gross vehicle weight. Some roads or bridges may only be driven on if a specified maximum weight is not exceeded. Furthermore, for example, the toll for a vehicle on certain roads can also be calculated as a function of the vehicle weight.
  • Weight can then be inferred from the determined deflection.
  • the object of the invention is to provide an arrangement for determining a deflection of a component, which can be implemented as inexpensively, simply and reliably as possible, and to provide a method for producing such an arrangement.
  • An arrangement for determining the deflection of a component has a measuring bar which has a first planar section, a second planar section and a section arranged in a first horizontal direction between the first planar section and the second planar section in FIG a vertical direction curved measurement portion, the vertical direction perpendicular to the first horizontal direction, a first carrier having a lower surface which is designed to be arranged on the component and an upper surface which is parallel to the lower surface and spaced in the vertical direction from the lower surface, and a second bracket having a lower surface configured to be placed on the member and an upper surface parallel to the lower surface and in the vertical direction spaced from the lower n surface is arranged.
  • the first flat portion is on the top surface of the first carrier and the second flat portion is on the top surface of the second carrier.
  • the arrangement can be easily and inexpensively manufactured and provides sufficiently accurate and mechanically amplified output signals.
  • the arrangement can have at least one sensor, each of the sensors being arranged on an upper surface of the curved measuring section, the upper surface of the Measuring section shows in the assembled state away from the component.
  • the accuracy of the sensor can be increased by arranging all sensors on the same side of the measuring section, in particular in a region with mechanically increased deflection.
  • the at least one sensor can have at least one strain gauge.
  • the first flat section and the second flat section may each have a first width in a second horizontal direction, the second horizontal direction being perpendicular to the first horizontal direction and to the vertical direction.
  • the measuring section can have a central region that has a second width in the second horizontal direction that is less than the first width.
  • the second width can be at least 20%, at least 30% or at least 40% less than the first width.
  • the measurement section may have a first length in the first horizontal direction, and the central region of the measurement section may have a second length in the first horizontal direction.
  • the second length can be at least 30% of the first length.
  • the deflection in the central area can be so homogeneous, and the size of the central area can be adapted to the size of a sensor arranged thereon.
  • the measuring bar can be a first material, and the first and the second carrier can each have a second material that differs from the first material.
  • the arrangement can be inexpensive Herge on the one hand, on the other hand, in particular the measuring bar can be made of sufficiently high quality material.
  • the measuring bar can have material no. 1.4542 and / or the first and second carrier can have material no. 1.4301.
  • the measuring bar can be made of higher quality material than the carrier.
  • the first thickness can depend on at least one parameter of the part and / or an expected deflection to be determined.
  • the measuring bar can have a first thickness in the vertical direction, which is, for example, between 0.5 mm and 2 mm.
  • the measuring bar can bend well with the component in many applications and is robust enough even under tough environmental requirements.
  • a method for producing an arrangement for determining a deflection of a component is also described, the method for producing a measuring bar, which comprises a first flat section, a second flat section and one in a first horizontal direction between the first planar section and the second planar section arranged in a vertical direction curved measuring section, the vertical direction being perpendicular to the first horizontal direction, producing a first carrier having a lower surface and an upper surface which are parallel to the lower surface and spaced in the vertical direction from the lower surface, producing a second carrier having a lower surface and an upper surface parallel to the lower surface and in the vertical direction spaced from the lower surface is arranged, the arrangement of the first carrier and the second carrier on a component, and the arrangement of the first flat section of the measuring bar on the upper surface of the first carrier and the second planar section of the measuring bar on the upper surface of the second carrier, either before or after arranging d it has first and second carriers on the component.
  • FIG. 1 shows an arrangement for determining a deflection in the unloaded state in a sketchy representation
  • FIG. 2 shows an arrangement for determining a deflection in a loaded state in a sketchy representation
  • FIG. 3 shows, in a sketchy representation, an arrangement for determining a deflection according to an example
  • FIG. 4 shows, in a sketchy representation, an arrangement for determining a deflection according to a further example
  • FIG. 5 shows a sketch of a top view of an arrangement for determining a deflection according to an example
  • FIG. 6 shows a sketch of an arrangement for determining a deflection according to an example
  • FIG. 9 shows in a flowchart a method for producing an arrangement for determining a deflection according to an example.
  • FIG. 1 shows an arrangement 20 for determining a deflection of a component 10.
  • the component 10 can be a vehicle axle, for example.
  • the arrangement 20 for determining the deflection is arranged on the axis 10.
  • an arrangement 20 can be arranged on each of the axles 10.
  • a component 10 In an unloaded state (e.g. vehicle not loaded), a component 10 generally extends straight in a first horizontal direction x.
  • the component In a loaded condition, the component has a bend. If, for example, a vehicle is loaded, a corresponding weight rests on the axles of the vehicle. Thereby each axis is bent to a certain extent depending on the weight on it.
  • the loaded state of a component 10 is shown by way of example in FIG. 2. However, it is also possible that the component 10 already has a slight deflection even in the unloaded state (for example solely due to the vehicle weight without further loading), which is further reinforced by additional loading.
  • the arrangement 20 for determining the deflection has a first carrier 22A and a second carrier 22B.
  • the first carrier 22A and the second carrier 22B are each connected directly to the component 10.
  • the second carrier 22B is arranged in the first horizontal direction x at a certain distance from the first carrier 22A.
  • the distance between the first carrier 22A and the second carrier 22B can be, for example, more than 0.5 cm. Distances of several centimeters are possible, for example.
  • a measuring bar 24 is arranged between the first carrier 22A and the second carrier 22B.
  • the measuring bar 24 has no direct connection to the component 10, but is carried by the carriers 22A, 22B.
  • the measuring strip 24 runs approximately parallel to the straight component 10 in the unloaded state.
  • the measuring strip 24 can have the shape of a plate, for example. That is, the dimensions of the measuring bar 24 in the first horizontal direction x and in a second horizontal direction z can each be substantially larger than the dimensions in a vertical direction y.
  • the second horizontal direction z is perpendicular to the first horizontal direction x, and the vertical direction y is perpendicular to the first and the second horizontal direction x, z.
  • a sensor 26 can be arranged on the measuring bar 24. In the loaded state (cf. FIG. 2), it also bends the beams 22A, 22B connected measuring bar 24 in the same direction as the component 10. By arranging the measuring bar 24 on the carriers 22A, 22B, that is, at a certain distance from the component 10, the component 10 can deflect when the component 10 is bent Deflection of the measuring bar 24 who reinforced. The sensor 26 is designed to determine a deflection of the measuring bar 24. The deflection of the component 10 can then be concluded from the deflection of the measuring bar 24. If the component 10 is, for example, the axle of a vehicle, the vehicle weight can again be inferred from the deflection of the axle.
  • the empty weight of a vehicle is usually known. In order to be able to determine the weight of the load, the empty weight can be subtracted from the total weight determined.
  • the senor 26 is designed to determine a deflection of the component 10 and to use this deflection to infer the force exerted on the component 10 or the weight on the component 10.
  • the sensor 26 can have, for example, at least one strain gauge.
  • Strain gauges can generally be used to detect changes in shape (e.g. strains or compressions) on the surface of components. Strain gauges can be used in sensors that measure forces (force transducers). Static loads and loads that change over time can be recorded. Strain gauges can be arranged on the measuring bar 24 in order, for. B. to detect an expansion or compression on the top of the measuring bar 24. The detected elongation or compression depends, among other things, on the distance from the measuring point at which the corresponding strain gauge is arranged to the neutral fiber. The basic principle of expansion Measuring strips are known and are therefore not explained further here.
  • the deflection of the component 10 can, however, turn out to be very low, in particular when the weight on the component 10 is heavy.
  • the deflection of the measuring bar 24 can also be very slight in this case, so that it cannot be detected with sufficient accuracy by the sensor 26.
  • one or more strain gauges connected in a measuring bridge can be arranged on a measuring bar 24.
  • An output signal dependent on the deformation of the corresponding component 10 can be obtained from the measuring bridge.
  • This output signal can be amplified using a measuring amplifier.
  • the output signal can then optionally be digitized before the load exerted on the component 10 or the weight bearing thereon is determined therefrom.
  • the output signal can be relatively small.
  • the component 10 is a vehicle axle
  • an arrangement 20 arranged on the axle 10 is usually exposed to very difficult conditions.
  • the arrangement 20 requires resistance to corrosion, chemical substances and mechanical shock and vibration loads over a wide temperature range from -50 ° C to +120 ° C. This places high demands on the material used and the design of the arrangement. Arrangements for determining the deflection of components 10, and in particular for determining the weight of vehicles, can often only be produced at high costs as a result.
  • the arrangement 20 has a measuring bar 24, a first carrier 22A and a second carrier 22B.
  • the first carrier 22A and the second carrier 22B are each designed to be arranged on a component 10, the deflection of which is to be determined (component 10 in FIG. 3 does not show).
  • the measuring bar 24 has a first flat section 32A, a second flat section 22B and a measuring section 34 arranged in the first horizontal direction x between the first flat section 32A and the second flat section 32B (cf. see also Figure 5).
  • the curvature of the measuring section 34 is not explicitly shown in FIG. 3.
  • the first carrier 22A has an underside that is designed to be connected to the component 10.
  • the first carrier 22A also has an underside opposite an upper side.
  • the second carrier 22B also has an underside, which is designed to be connected to the component 10, and an upper side lying opposite the underside.
  • the upper sides of the first carrier 22A and the second carrier 22B are each formed parallel to the corresponding lower sides. This means that in the assembled state the top sides each run parallel to the component 10 in the unloaded state.
  • the first planar section 32A is arranged on the top of the first carrier 22A and the second planar section 32B is arranged on the top of the second carrier 22B.
  • the first flat section 22A and the second flat section also run parallel to the corresponding undersides and to the component 10.
  • the measuring section 34 also has a curvature or unloaded state. Deflection on. This means that the measuring section 34 is already pre-bent in the unloaded state.
  • the arrangement 20 can be arranged, for example, on the upper side of a component 10, as shown by way of example in FIGS. 1 and 2.
  • the measuring strip 24 usually bends towards the component 10, in the same direction as the component.
  • the measuring section 34 can already be pre-bent in this direction.
  • This Vorbie supply of the measuring section 34 a further deflection can be mechanically reinforced under load. That is, a bending of the component 10 has a much greater effect on the pre-bent measuring section 34 than on a non-pre-bent measuring section (non-pre-bent measuring section see FIG. 1).
  • the output signal of a measuring arrangement is, owing to the pre-bending of the measuring section 34, considerably larger than in the case of conventional arrangements, without having to electrically amplify the signal.
  • the further deflection of the component 10 under load is concentrated on an area 341 in the middle of the measuring section 34 and thereby reinforced.
  • the direction of the further bend of the measuring section 34 is also predetermined by the pre-bend. The further bend is always in the direction of the pre-bend.
  • the deflection is also essentially homogeneous. This area is shown in dotted lines in FIG. In the other areas of the measuring section 34, in particular the edge areas towards the flat sections 32A, 32B, on the other hand, the deflection and the resulting voltage peaks are considerably reduced. In Figure 5, these marginal areas with little deflection are shown in dashed lines. The course of the deflection is fluid and does not have, as shown in FIG. 5, hard transitions between the areas of slight deflection and the area of concentrated deflection 341. By concentrating the deflection in the middle of the measuring section 34, Overall, the fatigue strength of the arrangement 20 who improved. Areas other than the area of concentrated deflection can thus be completely or at least largely free of stress.
  • An advantage of a pre-bent measuring section 34 over a measuring section 34 which is planed in the unloaded state is, for example, that the sign of the output signal of a measuring bridge arranged on the measuring section 34 is deterministic.
  • the sensor 26 can be arranged in the middle of the measuring section 34 in the area 341 in which the deflection is concentrated.
  • the central region 341 of concentrated deflection can each have the same distance from the first flat section 32A and the second flat section 32B.
  • the measurement section 34 can have a smaller width B34 in the second horizontal direction z compared to the first flat section 32A and the second flat section 32B. This is shown by way of example in FIG. 5.
  • the measuring section 34 can be significantly tapered in comparison to the first flat section 32A and the second flat section 32B.
  • the width B34 of the measuring section 34 in the second horizontal direction z can, for example, be at least 20%, at least 30% or at least 40% smaller than the width B32 of the flat sections 32A, 32B in the same direction z.
  • the width B32 of the flat sections 32 can be equal to a width of the corresponding supports 22A, 22B in the second horizontal direction z. That is, the first planar portion 32A and the second planar portion 32B can completely cover the tops of the first carrier 22A and the second carrier 22B.
  • the measuring section 34 can have the width B34 over a certain length L341. That is, area 341 concentrated deflection can have a square or rectangular cross section.
  • the length L341 of the region 341 of concentrated deflection can be at least 30% of the total length L34 of the measuring section 34 in the first horizontal direction x.
  • the sensor 26 can be arranged, for example, in the region 341 in a more concentrated deflection, which has the width B34 over its entire length L341.
  • the measuring section 34 can widen toward the flat sections 32A, 32B, that is to say the edge regions can have a width which is greater than the width B34.
  • FIG. 6 shows the measuring bar 24 from FIG. 3 without the carriers 22A, 22B.
  • the measuring bar 24 can each have at least one hole 28 in the flat sections 32A, 32B. Through the like holes 28, for example, screws can be guided to fix the assembly 20 on a component 10. For example, the arrangement 20 can be screwed onto a component 10.
  • FIG. 4 shows an example of an arrangement 20 with additional fastening parts 25A, 25B.
  • a first fastening part 25A can, for example, be arranged on the first flat section 32A of the measuring bar 24 and a second fastening part 25B can be arranged on the second flat section 32B of the measuring bar 24 can be arranged. That is, the first flat portion 32A is disposed between the first bracket 22A and the first attachment portion 25A, and the second flat portion 32B is disposed between the second bracket 22B and the second attachment portion 25B.
  • the fasteners 25 may be configured to evenly distribute the force exerted by one or more screws passed through the holes 28 across the respective flat portions 32A, 32B. This can prevent the measuring section 34 from being unintentionally deformed by the fitting and tightening of screws.
  • the fastening parts 25A, 25B can be connected to the measuring strip 24 in various ways.
  • the fastening parts 25A, 25B can be glued or welded to the flat sections 32A, 32B of the measuring strip 34.
  • the fastening parts 25A, 25B can also have additional recesses (not shown).
  • the flat sections 32A, 32B of the measuring bar 24 can have tabs or the like, which can be inserted into these additional cutouts.
  • the measuring strip 24 and the fastening parts 25A, 25B can be connected to one another by means of an interference fit.
  • any alternative or additional connection types between the measuring bar 24 and the fastening parts 25A, 25B are also possible.
  • fastening parts 25A, 25B are connected to the measuring bar 24 and the carriers 22A, 22B only by means of the screws inserted into the holes 28.
  • the fastening parts 25A, 25B are, however, optional.
  • the arrangement 20 can in principle also be implemented without fastening parts 25A, 25B.
  • an arrangement 20 for determining the deflection of a component 10 can have a first carrier 22A, a second carrier 22B and a measuring bar 24. Each of these parts can be manufactured individually. At closing the parts are arranged on the construction part 10 as described above.
  • the measuring bar 24 can have, for example, a first material.
  • the first material can be, for example, a high quality material, such as a high quality stainless steel material.
  • the measuring strip 24 can be made of material no. 1.4542 with the DIN short designation X5CrNiCuNbl 6-4 according to DIN EN 10088-3 (ASTM:
  • A564 Type 630 A564 Type 630.
  • other suitable materials are also possible in principle.
  • a high-quality material can be particularly advantageous for the measuring bar 24 with the sensor 26 arranged thereon.
  • the carriers 22A, 22B can have a second, less high-quality and therefore less expensive material.
  • the carriers 22A, 22B basically only have the function of attaching the measuring bar 24 to the component 10 (e.g. vehicle axis, frame, leaf spring, etc.), which is mechanically deformed under load.
  • the second material can be rust-free and heat-conductive, for example.
  • the carriers 22A, 22B can be an ordinary stainless steel material, such as material no.
  • fastening parts 25A, 25B are used, these can be produced, for example, from the same less high-quality material as the carriers 22A, 22B.
  • FIG. 7 shows an example of a cross section of an arrangement 20 for determining a deflection, in particular a measuring bar 24 with a sensor 26 arranged thereon.
  • FIG. 7 shows the flat sections 32A, 32B and the measuring section 34.
  • the measuring bar 24 can have a first thickness D24, for example.
  • the first thickness D24 can be, for example, between 0.5 mm and 2 mm. However, other first thicknesses D24 are also possible, for example up to several milimeters.
  • the first thickness D24 may depend on various factors, for example.
  • the first thickness D24 may depend on the nature and thus on at least one parameter of the component 10 (e.g. size, material, etc.) and / or the expected magnitude of the strain or compression to be measured.
  • the structure of the arrangement 20 can thus essentially remain unchanged for a wide variety of applications or components 10.
  • the arrangement 20 can, however, be optimized for the respective application, so that the deflection of the corresponding component 10 can be determined as precisely as possible.
  • FIG. 8 shows the arrangement from FIG. 7 with the carriers 22A, 22B and the optional fastening parts 25A, 25B.
  • FIGS. 7 and 8 show in particular the flat sections 32A, 32B and the pre-bent measuring section 34.
  • the senor 26 can additionally be designed to determine a temperature.
  • the sensor 26 can have one or more temperature sensors (not shown). These temperature sensors can be designed to determine a temperature of the sensor 26 itself and also a temperature of the component 10.
  • deflections and expansions which occur in the component 10 due to temperature and not due to load can be taken into account when determining a load or a weight.
  • temperature-related deflections and strains can be determined when determining the load-dependent deflection of the entire Deflection subtracted or appropriately calculated out who.
  • the housing can be a plastic housing for example.
  • the housing can, for example, be filled with a suitable filler in order to be able to protect the components arranged therein even better against environmental influences.
  • the associated electronics can, for example, have a computing unit (not shown). This computing unit can have, for example, a microcontroller and one or more memory components which are designed to process the measurement signal provided by the sensor 26, to free it from the effects of errors and to convert it into a suitable format for the secure digital exchange with other data units walk.
  • the senor 26 can have, for example, four strain gauges, which are indicated in the figures by four small squares.
  • four strain gauges can be placed in the four corners of a square or rectangle.
  • the strain gauges can ideally determine the deformation of the measuring section 34.
  • using four strain gauges is just one example. Any number n of strain gauges or other suitable sensors with n> 1 is also possible. However, the sensors or strain gauges can all be arranged on the same side of the measuring section.
  • strain gauges are only one example.
  • the sensor 26 can also have more or fewer strain gauges.
  • the strain gauges can also be arranged in other shapes than in the square arrangement shown. For example, you can Strain gauges can also be arranged in a cross shape or in any other suitable shape.
  • the invention is applicable, for example, for many types of vehicle which have axes, such as in cars, tractors, airplanes, fork-lift trucks, trailers or buses. Deformations (deflections) of other objects, such as bridges or buildings, can also be determined.
  • a road surface condition or a road condition e.g. potholes
  • the axis can bend accordingly when driving through potholes or in the event of unevenness in the road surface.
  • GPS Global Positioning System
  • FIG. 9 shows in a flowchart an example of a method for producing an arrangement 20 for determining the deflection of a component 10.
  • the method has the manufacture of a measuring bar 24, which has a first flat section 32A, a second flat section 32B and one in a first horizontal direction x between the first planar section 32A and the second planar section 32B arranged in a vertical direction y curved measuring section 34 (step 901).
  • the measuring bar 24 can be manufactured by means of punching.
  • the measuring bar 24 can be punched out of a metal plate. After punching, the measuring bar can be pre-bent with a defined bend.
  • the method further includes fabricating a first carrier 22A (step 902) having a bottom surface and an top surface parallel to the bottom surface and spaced in the vertical direction y from the bottom Surface is arranged.
  • the first carrier 22A can be produced by punching, for example.
  • the method further includes making (step 903) a second carrier having a bottom surface and an top surface that is parallel to the bottom surface and spaced in the vertical direction y from the bottom surface.
  • the first carrier 22A and the second carrier 22B are arranged on a component 10 (step 904).
  • the first flat section 32A of the measuring bar 24 is arranged on the upper surface of the first carrier 22A and the second flat section 32B of the measuring bar 20 is arranged on the upper surface of the second carrier 22B (step 905).
  • the planar sections 32A, 32B can be arranged either before the first and second carriers 22A, 22B are arranged on the component 10 or after the first and second carriers 22A, 22B are arranged on the component 10.
  • the arrangement 20 can be assembled next to one example and then attached to the component 10 (indicated by dashed arrows in FIG. 9), or the arrangement 20 can be assembled when arranged on the component 10, e.g. first the carriers 22A, 22B are fastened to the component and then the further components are arranged on the carriers 22A, 22B (indicated by bold arrows in FIG. 9).
  • the first flat section 32A and the second flat section 32B can be on the first carrier 22A or on the second carrier 22B, for example by means of gluing, welding,
  • Press fit or screw can be attached.

Abstract

Dispositif (20) pour déterminer la flexion d'un composant (10) présentant une barre de mesure (24), laquelle présente une première partie plane (32A), une deuxième partie plane (32B) et une partie de mesure (34) courbée dans une direction verticale (y) disposée dans une première direction horizontale (x) entre la partie plane (32A) et la deuxième partie plane (32B), la direction verticale (y) s'étendant perpendiculairement à la première direction horizontale (x), un premier support (22A), lequel présente une surface inférieure, qui est conçue pour être disposée sur le composant (10), et une surface supérieure, qui est disposée parallèle à la surface inférieure et espacée de la surface inférieure dans la direction verticale (y), et un deuxième support (22B), qui présente une surface inférieure, qui est conçue pour être disposée sur le composant (10), et une surface supérieure, qui est disposée parallèle à la surface inférieure et espacée de la surface inférieure dans la direction verticale (y). La première partie plane (32A) est disposée sur la surface supérieure du premier support (22A) et la deuxième partie plane (32B) est disposée sur la surface supérieure du deuxième support (22B).
EP19816618.3A 2018-12-14 2019-12-03 Dispositif pour déterminer la flexion d'un composant et procédé pour fabriquer un tel dispositif Pending EP3894814A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018221808.0A DE102018221808A1 (de) 2018-12-14 2018-12-14 Anordnung zum Bestimmen der Durchbiegung eines Bauteils und Verfahren zum Herstellen einer solchen Anordnung
PCT/EP2019/083497 WO2020120229A1 (fr) 2018-12-14 2019-12-03 Dispositif pour déterminer la flexion d'un composant et procédé pour fabriquer un tel dispositif

Publications (1)

Publication Number Publication Date
EP3894814A1 true EP3894814A1 (fr) 2021-10-20

Family

ID=68808348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19816618.3A Pending EP3894814A1 (fr) 2018-12-14 2019-12-03 Dispositif pour déterminer la flexion d'un composant et procédé pour fabriquer un tel dispositif

Country Status (3)

Country Link
EP (1) EP3894814A1 (fr)
DE (1) DE102018221808A1 (fr)
WO (1) WO2020120229A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253921A1 (fr) * 2022-03-31 2023-10-04 Bollhoff Otalu S.A. Tôle de flexion allongée pour déterminer une charge mécanique de véhicule et un véhicule respectif

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EP4253921A1 (fr) * 2022-03-31 2023-10-04 Bollhoff Otalu S.A. Tôle de flexion allongée pour déterminer une charge mécanique de véhicule et un véhicule respectif

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