Pullback carrier roller frame

By designing a pull-out return idler frame and utilizing the combined structure of the pull-out base and the idler bracket, the problem of difficult replacement of traditional idler frames is solved. By introducing a horizontal strip guide rail and friction shaft, efficient replacement of idlers is achieved, reducing operational risks and difficulties and improving replacement efficiency.

CN224466795UActive Publication Date: 2026-07-07LIAONING XINRUI PRECISION MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LIAONING XINRUI PRECISION MASCH CO LTD
Filing Date
2025-09-01
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Traditional return idler frames are fixed support structures, which makes idler replacement difficult, dangerous, and inefficient, requiring large tools to pry up the conveyor belt to create space for replacement.

Method used

A pull-out return idler frame is designed, which adopts a pull-out base and a pull-out idler bracket. Through the cooperation of a horizontal strip guide rail and a friction shaft, the lateral displacement of the idler bracket is realized, which facilitates the disassembly and installation of the idler, reduces the difficulty of operation, and avoids belt damage.

Benefits of technology

This improved the safety and efficiency of idler replacement, reduced operational difficulty, avoided unnecessary damage to the conveyor belt, and increased replacement efficiency.

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    Figure CN224466795U_ABST
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Abstract

The utility model is specifically related to a pull-out type return roller frame, which comprises a pull-out type base and a pull-out type roller support. The pull-out type base is provided with a group of symmetrically fixed first side plates, a group of first side plate inner sides are connected based on a plurality of same-height and parallel first connecting rods, a group of first side plates are symmetrically provided with same-height and equal-length horizontal strip-shaped guide rails, the connecting height of the first connecting rods is lower than the setting height of the horizontal strip-shaped guide rails, the pull-out type roller support is provided with a group of symmetrically fixed second side plates, the return roller is detachably assembled at the top of the group of second side plates, the outer side of the group of second side plates is symmetrically fixed with a friction shaft matched with the horizontal strip-shaped guide rail, the outer side of the pull-out type roller support is matched with the inner side of the group of first side plates, and the length of the first side plate is equal to the length of the second side plate. Based on the device, the return roller can be efficiently replaced under the condition of reducing the operation risk coefficient.
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