Suspension type transfer box with bottom open cover

By using a gas spring piston rod and a Y-shaped linkage structure in the suspended transfer box, the problems of electric push rod failure and easy disengagement of mechanical lock in the suspended transfer box are solved, realizing stable self-locking and efficient automated unloading, and improving the operational safety and reliability of the system.

CN224563222UActive Publication Date: 2026-07-28LESU SMALL (NANJING) INTELLIGENT STORAGE EQUIPMENT CO LTD
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Patent Information

Application Number
CN202521362543.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-01
Publication Date
2026-07-28
Estimated Expiration
2035-07-01

AI Technical Summary

Technical Problem

Existing suspended conveyor transfer boxes suffer from high failure rates of electric push rod drives, high maintenance costs, and easy disengagement of purely mechanical locking structures, resulting in incomplete unloading and unstable operation.

Method used

The preload is provided by a gas spring piston rod, and a Y-shaped linkage structure is formed by the upper and lower pull rods to achieve stable self-locking of the bottom cover door. Fixed-point automated unloading is achieved by external pressing parts. Combined with anti-tipping brackets and buffer pads, vibration resistance and anti-tipping ability are improved.

Benefits of technology

It achieves stable self-locking of the bottom cover door, prevents material spillage, improves unloading efficiency and system dynamic stability, and reduces maintenance and system integration costs.

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Abstract

The utility model relates to a suspension type transfer box with a bottom cover. The suspension type transfer box comprises a box body with an opening in the upper portion, two oppositely-opened bottom cover doors, an air spring and a Y-shaped linkage rod system composed of an upper pull rod and two lower pull rods. The main improvements are as follows: (1) the gas spring adopts an inverted mounting mode that a piston rod faces upwards, and is connected with the bottom cover doors through a Y-shaped linkage rod system, so that the double bottom cover doors tend to be closed all the time under the action of the gas spring, and the problem of unexpected cover opening caused by conveying vibration is solved; (2) when an external pressing piece vertically presses a horizontal operation part at the top of an upper pull rod, a Y-shaped linkage rod system synchronously opens double bottom cover doors to realize fixed-point automatic unloading; and (3) an anti-overturning support is arranged on the side of the box body and abuts against an external balance part during unloading to offset overturning moment, and the operation stability is ensured. The utility model has the advantages of vibration resistance, self-locking, high-efficiency unloading and dynamic balance, obviously reduces the maintenance cost, and is adaptive to a suspension conveying system.
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