INDUSTRY COMPONENT

Locking Mechanism (e.g., Wedges/Pins)

Quick-attach locking mechanism using wedges or pins for secure tool-to-machine connection in industrial equipment.

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Component Specifications

Definition
A mechanical locking component designed for quick-attach systems that utilizes wedges, pins, or similar elements to create a rigid, vibration-resistant connection between interchangeable tools (e.g., buckets, forks, attachments) and carrier machines (e.g., excavators, loaders, telehandlers). It ensures rapid attachment/detachment while maintaining operational safety and precision alignment under dynamic loads.
Working Principle
Operates through mechanical interference: wedges are driven (hydraulically or manually) into tapered cavities between attachment and carrier, creating high friction and radial pressure that locks components together. Pin-based systems use cylindrical pins that engage precisely machined holes, secured by retainers or hydraulic pressure. Both principles rely on geometric constraints to prevent relative movement.
Materials
High-strength alloy steel (e.g., AISI 4140, 4340) heat-treated to 40-45 HRC for wear resistance; corrosion-resistant coatings (zinc plating, powder coating) optional; seals from nitrile rubber (NBR) or polyurethane for hydraulic versions.
Technical Parameters
  • Wedge Angle 7-12 degrees
  • Pin Diameter 20-100 mm
  • Locking Force 50-500 kN
  • Engagement Time <30 seconds
  • Weight Capacity 1-20 tons
  • Operating Pressure 150-250 bar (hydraulic)
Standards
ISO 13031, ISO 286-2, DIN 6325, DIN 1481

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Locking Mechanism (e.g., Wedges/Pins).

quick attach locking mechanism wedge lock pin lock excavator attachment loader coupler industrial fastening hydraulic locking system ISO 13031 Locking Mechanism (e.g., Wedges/Pins) Locking Mechanism (e.g., Wedges/Pins) in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Quick-Attach System

A mechanical interface system that enables rapid attachment and detachment of various implements to a compact track loader.

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Engineering Analysis

Risks & Mitigation
  • Wear leading to reduced locking force
  • Hydraulic failure causing unintended detachment
  • Misalignment during attachment damaging components
  • Corrosion in harsh environments
FMEA Triads
Trigger: Contamination in hydraulic fluid
Failure: Incomplete wedge/pin engagement
Mitigation: Install filters, use clean hydraulic oil, implement pre-operation visual checks
Trigger: Fatigue from cyclic loading
Failure: Crack propagation in wedge/pin
Mitigation: Regular non-destructive testing (e.g., magnetic particle inspection), replace at wear limits
Trigger: Improper operator training
Failure: Misaligned attachment causing binding
Mitigation: Certify operators, use alignment aids (e.g., guide pins, cameras)

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm for pin holes, wedge surfaces flat within 0.05 mm/m
Test Method
ISO 13031 for performance testing; hydraulic pressure tests at 1.5x operating pressure; load cycling to simulate 10,000 attachment cycles

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the difference between wedge and pin locking mechanisms?

Wedge systems use tapered elements driven into cavities for friction-based locking, ideal for high-vibration environments; pin systems use cylindrical pins engaging holes for precise alignment, often faster but requiring exact tolerances.

How do you maintain a quick-attach locking mechanism?

Regularly inspect for wear on wedges/pins and mating surfaces, lubricate moving parts per manufacturer guidelines, check hydraulic seals and pressure, and verify locking force with calibrated gauges annually.

Can locking mechanisms be retrofitted to older machines?

Yes, with compatibility checks on carrier geometry, hydraulic capacity, and weight ratings; consult OEM or specialized suppliers for retrofit kits meeting ISO 13031.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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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