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  • Retractable Access System

Retractable Access System

Overview:Breaking through the limitations of traditional forklift fixed wheelbase, using fully electronic variable distance technology to achieve rapid switching of multi-specification carriers, providing flexible handling solutions for multi-category warehousing scenarios. Widely used in automated storage and retrieval systems (AS/RS) and other intelligent warehousing fields.


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Product Details


Retractable Access System

 

The telescopic retrieval system is the core actuating mechanism of rail-guided stacker cranes. It features a gear‑rack‑driven telescopic fork, is equipped with a dual‑motor reducer power unit, and employs a single‑deep‑position telescoping configuration. Primarily used in automated high‑bay warehouses for the automated picking and placing of standard pallets, it serves as a critical component in realizing unmanned inbound and outbound operations within AS/RS automated storage and retrieval systems.
 

Product operating principle

 

The entire telescopic storage and retrieval system relies on a gear‑rack mechanism for power transmission, with dual motors delivering stable drive force to propel the multi‑stage fork arms along linear guide rails, enabling extension and retraction. When extended forward, the forks engage the bottom of the pallet to lift the load; upon retraction, they convey the pallet to the stacker’s loading platform. In coordination with the stacker’s traveling and lifting motions, the system continuously cycles goods in and out of the racking.

Compared with traditional chain‑type forks, gear‑rack drives feature smaller backlash, are less prone to elongation and deformation, and offer higher repeat positioning accuracy, making them well suited for long‑term, high‑frequency, continuous operations.

 

Core Product Advantages

 

  1. Dual-motor independent drive: ample power reserve, smooth operation under heavy-load conditions, and excellent shock resistance.
  2. Gear–rack transmission structure: high transmission rigidity, precise positioning, long service life, and simple post‑maintenance.
  3. Standardized single-deep rack structure: compatible with mainstream single-deep racking systems and supports both European and Chinese standard storage pallets.
  4. Integrated modular design: The entire unit boasts a high degree of integration, can be directly mounted on the stacker’s load platform, and is easy to install and commission.
  5. High‑strength welded frame: featuring a thickened profile design, it withstands continuous reciprocating loads and is designed to support 24/7 industrial automation operations.

 

Applicable Scenarios

 

Automated high‑bay warehouses with rail‑guided stacker cranes, intelligent automated storage systems for factory raw materials and finished products, pallet‑handling automation in logistics and warehousing centers, cold‑chain high‑bay storage, and smart manufacturing‑oriented warehousing and logistics systems.

Basic Parameter Description

 

Drive configuration: dual motors + rack-and-pinion transmission

Structural configuration: single-deep telescopic structure

Auxiliary equipment: rail-guided aisle stacker

Material handling: Standard wooden/plastic storage pallets

Product Advantages:

High Efficiency and Energy Saving: Equipment energy consumption reduced by 30%, throughput increased by 50%+

Flexible Adaptability: Modular design, supports rapid expansion

Strong Stability: Industrial-grade standard, failure rate <0.1%

Data-driven: Full-process digitalization, supports AI predictive maintenance

 

Keywords:

Retractable Access System

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Company Profile

Nanjing Delmeng Technology Co., Ltd. is a high-tech enterprise focusing on the research and development, design, manufacturing, and sales of intelligent logistics equipment. The company's core product is telescopic forklifts, which are widely used in automated storage and retrieval systems (AS/RS) and other intelligent warehousing fields.

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