On-site monitoring method and monitoring equipment of wireless tool

Abstract

According to the invention, an on-site monitoring device for a wireless tool is disclosed. The on-site monitoring device comprises a metal-type inductive proximity switch, a local control unit and a vehicle information identification system. The metal-type inductive proximity switch, the local control unit, the vehicle information identification system and a wireless tool communicate with one another through a data ring network. The metal-type inductive proximity switch detects a location state of the wireless tool. The vehicle information identification system generates a trigger signal based on the vehicle location, and the metal-type inductive proximity switch and the wireless tool enter a state of readiness according to the trigger signal. The local control unit determines a working state of the wireless tool according to a set detection period and the detected location state of the tool. The invention further discloses an on-site monitoring method executed by the on-site monitoring device for the wireless tool. The invention achieves low cost and easy-to-implement on-site monitoring management of a wireless high-precision tightening tool with the aid of the metal-type inductive proximity switch and a timer function of the local control unit by using structural characteristics of the wireless high-precision tightening tool.

Description

technical field [0001] The invention relates to the field of automobile manufacturing, more specifically, to a field monitoring method and monitoring equipment of wireless tools in the field of automobile manufacturing. Background technique [0002] With the rapid development of my country's automobile industry, the focus of product quality management and improvement has shifted to assembly stability, reliability and traceability. Among them, as the basic assembly method of the automobile industry, the bolted connection, which has already been standardized and popularized, has naturally become the focus of the entire product process monitoring. According to incomplete statistics, in addition to the powertrain (engine, gearbox, the same below), the number of bolts assembled by passenger cars after going through the four major production processes exceeds 1,000, of which the assembly workshop accounts for about 85%. Obviously, the bolt connection quality (tightening torque / Nm...

AI Technical Summary

Problems solved by technology

[0007] 1. It is necessary to use a large number of sensors to determine the position of the wireless tool;

[0008] 2. The working frequency of the sensor may affect the work of other equipment on site;

[0009] 3. The positioning accuracy of the positioning system is poor;

[0010] 4. The workload involved in wireless tool shifting is huge;

[0011] 5. Overinvestment

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