Product Guide
RACK ACCESSORIES
Components & Spare Parts Guide
Complete Component Breakdown
Every Tcrack telescopic cantilever rack system is built from precision-engineered components designed to work together as an integrated storage solution. Understanding these components helps with maintenance planning, spare parts ordering, and system customization. All components are manufactured from Q235B/Q345B structural steel with powder-coated or galvanized finish.
Structural Components
UPRIGHT COLUMNS
Main vertical structural members. TC Series uses one-piece welded H-beam columns. TE Series uses split column sections connected by brackets. Heights from 2,000-10,000mm. Material: Q345B hot-rolled steel, yield strength 345 MPa.
TELESCOPIC ARMS
Horizontal extending members that carry the stored materials. Constructed from rectangular steel tube with internal guide rollers. 100% extension capability. Load capacity: 500-5,000 kg per arm depending on model and length.
CROSS BRACING
TC Series: X-type diagonal bracing welded between uprights for maximum rigidity. TE Series: Horizontal bracing bolted between upright sections. Both types provide lateral stability and resist racking forces during arm extension.
BASE PLATES
Heavy-duty steel plates (20mm Q345B) welded to column bases. Pre-drilled for M20 chemical anchor bolts. Distribute column loads to the concrete floor. Leveling shims included for floor irregularities up to 10mm.
Drive Mechanism Components
CHAIN DRIVE SYSTEM
Industrial-grade roller chain (08B/10B series) connects the crank mechanism to the telescopic arm. Chain tensioners maintain proper tension. Lubrication interval: every 3 months or 500 cycles.
GEAR REDUCTION BOX
Worm gear or planetary gear reducer with ratio 1:40 to 1:60. Converts high-speed low-torque crank rotation to low-speed high-torque arm movement. Self-locking feature prevents arm drift under load. Sealed housing with lifetime lubrication.
CRANK HANDLE
Ergonomic folding crank handle with anti-slip grip. Folds flat when not in use to prevent aisle obstruction. Handle length: 300-400mm. Operating force: 5-15 kg depending on load and gear ratio.
GUIDE RAILS & ROLLERS
Precision-machined guide rails inside the arm housing ensure smooth, straight extension. Nylon or steel rollers (4-8 per arm) reduce friction and prevent metal-to-metal contact. Roller replacement: every 5,000-10,000 cycles.
Safety Components
- End Stops: Mechanical stops prevent arm over-extension. Welded steel bumpers at full extension and full retraction positions.
- Safety Locks: Pin-type locking mechanism secures arms in retracted position during non-use. Prevents accidental extension.
- Anti-Tip Brackets: Floor-mounted brackets prevent rack tipping under eccentric loading conditions.
- Load Capacity Labels: Permanent labels on each arm and upright showing maximum rated load. OSHA-compliant formatting.
- Warning Signage: Bilingual safety signs (English + local language) for crane operation zones and pinch points.
Spare Parts & Ordering
All Tcrack components are available as individual spare parts with worldwide shipping. Common replacement items include chain links, guide rollers, crank handles, and safety pins. We maintain a spare parts inventory for immediate dispatch. Most parts ship within 3-5 business days.
Each rack system is delivered with a complete parts list and exploded assembly drawing. Part numbers are stamped on major components for easy identification when ordering replacements.
Need Spare Parts or Components?
Contact us with your rack serial number for fast parts identification and shipping.
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