Gate lifting weight detection sensor

Abstract

The invention discloses a gate lifting weight detection sensor, and belongs to the field of weight sensors. The gate lifting weight detection sensor comprises a supporting base, an elastomer and a resistance type strainometer. The resistance type strainometer is pasted on the elastomer to form an equal arm bridge structure, the elastomer is subjected to the pressure of a winch, a wire rope and a gate to cause the resistance type strainometer to generate micro deformation, such that a bridge output voltage changes, and then weight data are obtained according to the voltage change. The sensor has a large measuring range, a small installation space, a simple structure and convenient installation. Since the gate lifting weight detection sensor does not need to be installed on the wire rope, the phenomenon of cable entanglement that follows the movement of the wire rope does not occur. When the gate encounters jamming, wire rope breakage, slipping and other faults, the load on the sensor changes significantly, and operators can immediately determine that the gate is in an abnormal operating state based on this change and take measures to avoid dangerous accidents.

Description

technical field [0001] The invention belongs to the field of weight sensors, in particular to a gate lifting weight detection sensor. Background technique [0002] The lifting and closing of many river gates in water conservancy infrastructure are performed by electric winches pulling wire ropes. Four wire ropes are fixed on the left and right sides of the top of the gate, passed through the pulley block and then wound to the rollers of the electric winch. Since part of the river gate and door slot is submerged in water, it is easy to be contaminated with foreign matter such as sediment, and the gate may be stuck in the door slot during operation. At this time, if the electric winch is not stopped in time, the wire rope may be damaged. Being pulled off, there is a safety hazard. [0003] At present, to measure the tension of the steel wire rope on the gate, it is necessary to install a sensor on the steel wire rope, but the effect is not good in actual use, because the stee...

AI Technical Summary

Problems solved by technology

Since part of the river gate and door slot is submerged in water, it is easy to be contaminated with foreign matter such as sediment, and the gate may be stuck in the door slot during operation. At this time, if the electric winch is not stopped in time, the wire rope may be damaged. Being pulled off, there is a safety hazard

[0003] At present, to measure the tension of the steel wire rope on the gate, it is necessary to install a sensor on the steel wire rope, but the effect is not good in actual use, because the steel wire rope and the sensor will follow the movement of the gate, so the power supply cable and signal transmission cable of the sensor need to leave enough space. Active length, so it is easy to get entangled, knotted, or broken when the cable moves up and down, so it is urgent to provide a new type of gate lifting weight detection sensor to solve the above problems

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