Forklift gantry transmission structure

By designing transmission components of multiple sets of rollers on the forklift door frame, the transmission and balance of force are optimized, and the problem of instability of the forklift is solved, achieving higher stability and safety of the forklift.

CN222892970UActive Publication Date: 2025-05-23SUZHOU PIONEER MATERIAL HANDLING EQUIP & TECH
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Patent Information

Application Number
CN202421829888.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-05-23
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

After the high-position storage front-moving forklift cargo is loaded, the door frame is easily turned forward, and the limiting device will cause inertia when stopping the door frame from moving, resulting in unstable door frame.

Method used

Design a forklift door frame transmission structure, including transmission components of multiple sets of rollers arranged symmetrically. By rationally arranging and designing roller types, positions, etc., the transmission and balance of force are optimized, and the stability and safety of the forklift are improved.

Benefits of technology

Effectively reduce the swing amplitude of the gantry, control inertial impact, improve the overall stability and safety of the forklift, and ensure more reliable support in efficient warehousing and logistics systems.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222892970U_ABST
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Abstract

The utility model provides a forklift portal frame transmission structure which comprises a portal frame, the lower end of the portal frame is connected with a base, the base forms a frame shape with an opening in one side facing a forklift body, the portal frame moves front and back relative to the forklift body through a transmission assembly installed on the base, and the transmission assembly comprises a plurality of sets of idler wheels which are symmetrically arranged. According to the gantry transmission structure, the type, position layout and the like of each roller are reasonably designed, so that the front end of the gantry can be effectively supported, forward inclination force is reduced, the swing amplitude of the gantry is reduced, inertial impact of the gantry is effectively controlled, unnecessary movement is avoided when the gantry is influenced by external force such as a limiting device, and the service life of the gantry is prolonged. And therefore, the overall stability and safety of the forklift are improved.
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Claims

1. A forklift gantry transmission structure, characterized in that: The invention comprises a door frame (1), the lower end of which is connected to a base (2), the base (2) forming a frame shape with one side opening toward a forklift body, the door frame (1) moving forward and backward relative to the forklift body via a transmission assembly mounted on the base (2), the transmission assembly comprising a plurality of symmetrically arranged groups of rollers.

2. A forklift gantry transmission structure according to claim 1, characterized in that: The rollers are in four groups, which are roller one (101), roller two (102), roller three (103) and roller four (104) from the door frame to the vehicle body.

3. A forklift gantry transmission structure according to claim 2, characterized in that: The rollers are mechanically connected to the base (2) via shaft heads.

4. A forklift gantry transmission structure according to claim 3, characterized in that: The base (2) is provided with steel slide grooves (3) on both sides facing outwards, and the steel slide grooves (3) are C-shaped openings and are directly connected to the forklift body.

5. A forklift gantry transmission structure according to claim 4, characterized in that: The roller two (102), roller three (103), and roller four (104) are arranged in the opening of the steel chute (3) to rotate forward and backward, and the roller one (101) is arranged above the outside of the steel chute (3).

6. A forklift gantry transmission structure according to claim 5, characterized in that: The roller one (101) is a conventional roller, and the roller two (102), roller three (103), and roller four (104) are all eccentric rollers.

7. A forklift gantry transmission structure according to claim 6, characterized in that: The steel chute (3) comprises, from top to bottom, a first pressing surface (201), a second pressing surface (202), a third pressing surface (203), and a fourth pressing surface (204); the outer pressing surface is the outer pressing surface, comprising the first pressing surface (201) and the fourth pressing surface (204); the inner pressing surface is the inner pressing surface, comprising the second pressing surface (202) and the third pressing surface (203).

8. A forklift gantry transmission structure according to claim 7, characterized in that: The roller one (101) is in contact with the first pressing surface (201).

9. A forklift mast transmission structure according to claim 8, characterized in that: The roller two (102) and the roller four (104) are both in contact with the second pressing surface (202), and the eccentric directions are both close to the second pressing surface (202).

10. A forklift gantry transmission structure according to claim 9, characterized in that: The roller three (103) is in contact with the third pressing surface (203), and its eccentric direction is close to the third pressing surface (203).