INDUSTRY COMPONENT

Overload Protection

Overload protection device for weighing platforms that prevents damage from excessive loads.

Component Specifications

Definition
An industrial safety component integrated into weighing platforms to monitor and limit applied loads, preventing structural damage, measurement inaccuracies, and equipment failure by automatically disengaging or alerting when load exceeds predetermined safe thresholds.
Working Principle
Operates through mechanical, hydraulic, or electronic sensing mechanisms that detect load magnitude. When the load surpasses a calibrated limit, the system triggers a safety response—such as activating a shear pin, releasing hydraulic pressure, or sending an electronic signal to halt operation—thereby protecting the weighing platform's structural integrity and measurement accuracy.
Materials
Typically constructed from high-strength steel alloys (e.g., AISI 4140), stainless steel (e.g., 316L) for corrosion resistance, or aluminum alloys for lightweight applications, with elastomeric or polymer components for damping.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Load CapacityUp to 10,000 kg
Response Time< 100 ms
Accuracy ClassOIML R60 Class III
Protection RatingIP65
Operating Temperature-20°C to 70°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 9001, ISO 14001, DIN EN 45501, OIML R76

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Structural failure from undetected overloads
  • Measurement inaccuracies due to component deformation
  • Equipment downtime from safety triggers
  • Corrosion in harsh environments
FMEA Triads
Trigger: Excessive load applied beyond rated capacity
Failure: Permanent deformation or fracture of weighing platform components
Mitigation: Regular calibration and installation of redundant protection systems
Trigger: Sensor malfunction or calibration drift
Failure: False triggers or failure to activate during overload
Mitigation: Routine maintenance and use of certified components with self-diagnostics

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.1% of full scale load
Test Method
Static load testing per ISO 376 standards with cyclic overload verification

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Overload Protection

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Shandong Huaquan Power Co., Ltd.
Weifang, Shandong, CN
42,000 m²
ISO CE
Also makes: Water Pump, Diesel Engine, High-Pressure Pump and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Shaft Bearing
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Frequently Asked Questions

What is the primary function of overload protection in weighing platforms?

To prevent structural damage and maintain measurement accuracy by automatically stopping or alerting when loads exceed safe limits.

How does electronic overload protection differ from mechanical types?

Electronic systems use sensors and software for precise, adjustable limits and real-time monitoring, while mechanical types rely on physical components like shear pins for simpler, fail-safe operation.

Can overload protection devices be calibrated for different load ranges?

Yes, most modern devices allow calibration to specific load ranges, ensuring flexibility across various industrial applications.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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