HOLLOW PROFILE FOR A WEIGHT-IN-MOTION SENSOR

摘要

A WIM (weigh-in-motion) sensor has an oblong hollow profile and includes two force-transmission plates arranged parallel to each other. A tube is arranged between the plates and is integrally formed with the plates and defines a hollow space. Two supports that are arranged opposite one another are formed inside the hollow space, each support extending away from a respective plate and between which a measuring element is received centrally in the tube under preload. The tube includes two tube segments designed to be mirror-symmetrical with respect to each other, which join the plates together and on the inside adjoin the hollow space. The wall thickness of each tube segment has a relatively thick region between at least two relatively thin regions.

主权项

1. An oblong hollow profile for a WIM (weigh in motion) sensor, comprising:
two force-transmission plates arranged parallel to each other, a tube arranged between these plates is integrally formed with the plates and joins the plates together and forms a hollow space, two supports that are arranged opposite one another are formed inside the hollow space, each support extending away from a respective plate, the supports being configured for receiving between the supports a measuring element disposed centrally in the tube under preload, wherein the tube comprises two tube segments, each tube segment includes a wall that has a thickness, each tube segment is shaped to be mirror-symmetrical with respect to the other tube segment, the inside of each tube segment adjoins the hollow space, and wherein the wall thickness of each tube segment has at least two relatively thin regions and a relatively thick region between the two relatively thin regions.