Motorized Monitoring Apparatus for Papermaking Band Scanning

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Solution Overview

Problem

Traditional monitoring systems for papermaking machines are not repeatable, unsafe for operators, and lack constructive and operational simplicity, reliability, and efficiency in measuring band conditions across the entire width.

Innovation Solution

A monitoring system with a motorized apparatus housed in a guide structure installed as a bridge transverse to the band's feed direction, equipped with measurement devices for humidity, permeability, and temperature, and a control unit, allowing for safe and efficient scanning along the band's width.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual movement of monitoring device is used, then operator flexibility is maintained, but measurement repeatability and operator safety deteriorate

Engineering Contradiction:

Improveoperator flexibilityVSAvoidmeasurement repeatability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent replaces manual mechanical movement with an automated drive system that moves the monitoring device along the bridge. The drive system provides repeatable, controlled movement along predetermined paths, eliminating operator variability while maintaining the ability to reach all measurement positions along the band width.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The bridge structure serves as an intermediary carrier that holds the monitoring device and provides a stable platform for measurement. The drive system operates through this intermediary to achieve both automation and full-width coverage without direct manual handling.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If manual movement of monitoring device is used, then device portability is maintained, but operator safety and measurement consistency deteriorate

Engineering Contradiction:

Improvedevice portabilityVSAvoidoperator safety

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

Manual handling is completely replaced by the automated drive system that transports the monitoring device along the bridge. Operators work from safe positions controlling the automated system, eliminating exposure to moving bands and mechanical hazards while maintaining full measurement capability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The monitoring device is equipped with self-contained measurement instruments and automated positioning capabilities. The device serves itself by automatically moving to measurement positions and performing measurements without requiring operator intervention in hazardous zones.

Inventive Principle:

Principle #25Self-service

3Reliability

If fixed monitoring appliance is used, then measurement stability is improved, but adaptability to different positions along band width deteriorates

Engineering Contradiction:

Improvemeasurement stabilityVSAvoidposition coverage

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The system combines the stability of fixed mounting on the bridge with dynamic positioning capability. The monitoring device is firmly mounted on the bridge structure for stable measurements, while the drive system enables it to move dynamically to any position along the band width as needed.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The bridge-mounted system serves multiple positions along the entire band width through automated movement. A single monitoring device can perform measurements at any transverse position, making the system universally applicable to all sections of the band without requiring multiple fixed devices.

Inventive Principle:

Principle #6Universality (Multi-functionality)

4Reliability

If bridge-mounted drive system is used, then measurement coverage and safety are improved, but device complexity increases

Engineering Contradiction:

Improveoperator safetyVSAvoidsystem complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The system is divided into separate functional modules: the bridge structure, the monitoring device, and the drive system. This segmentation allows each component to be optimized independently and simplifies maintenance and operation while achieving comprehensive safety and measurement coverage.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS10961661B2Monitoring system for monitoring the conditions of a band circulating in a papermaking machine

Publication Date: 2021.03.30 GIUSEPPE CRISTINI

AI summary

A monitoring system for monitoring the conditions of a band circulating in a paper-making machine, comprises a guide extending substantially along an axis; and a monitoring apparatus movable along the guide and comprising at least one measuring device configured to measure at least one parameter indicative of the conditions of the band; the apparatus is a self-propelled motorized apparatus, provided with a motor and at least one driving member operated by the motor and which engages at least one corresponding surface of the guide to move the apparatus along the guide.