A foldable support expansion tube cable take-up and unwinding device

By using a dual locking mechanism of pin connection and locking pins and plum bolts, the problem of the expansion tube winding and unwinding equipment bracket being unable to be folded is solved, realizing space reduction during transportation and improved stability during operation, thus ensuring the safety and convenience of the equipment.

CN224449880UActive Publication Date: 2026-07-035ELEM HI TECH CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
5ELEM HI TECH CORP
Filing Date
2025-07-30
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

The brackets of traditional expansion tube winding and unwinding equipment cannot be folded, resulting in a large space occupation during transportation, increasing transportation difficulty and cost, and also posing problems such as structural instability, complex operation, and safety hazards.

Method used

The front bracket, rear bracket, and diagonal brace are designed with pins for connection, and a dual locking mechanism of locking pins and plum bolts is used to enable the bracket to be quickly folded and unfolded, ensuring the stability and safety of the equipment during transportation.

Benefits of technology

This significantly reduces the size of the support structure during transportation, lowering transportation costs while ensuring the stability and safety of the equipment during operation, and improving the equipment's mobility and efficiency.

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Abstract

This utility model discloses a foldable expansion tube cable rewinding and unwinding device. The front support is connected to the rear support via a pin, and the rear support is connected to the base of the device body via a pin. The diagonal support is connected to the base of the device body via a pin and to the rear support via a pin. A locking pin is provided at the connection between the front and rear supports. This device, through its innovative folding structure design, achieves rapid conversion between the open and folded states of the support. In the open state, it forms a stable support structure; in the folded state, the support can be retracted, significantly reducing the device's volume. This utility model employs a dual locking mechanism of pin connection combined with locking pins and star bolts, ensuring stability during operation and enabling convenient folding and transportation. The front support is equipped with adjustable anchor bolts to adapt to different ground conditions. This device solves the problems of traditional cable rewinding and unwinding devices having non-foldable supports and occupying large space during transportation.
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