Lifting device for a crane

The lifting mechanism for cranes stabilizes suspended loads using a tiltable base with stabilizers and tension members to absorb and dampen oscillations, ensuring safe and controlled lifting operations.

DE102022117231B4Active Publication Date: 2026-08-27FABER STEFAN
3 Cites 0 Cited by

Patent Information

Application Number
DE102022117231
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-07-12
Filing Date
2022-07-11
Publication Date
2026-08-27
Estimated Expiration
2042-07-11

AI Technical Summary

Technical Problem

Suspended loads in cranes tend to swing or oscillate due to lateral forces, posing safety hazards and requiring manual intervention, and existing solutions fail to effectively stabilize loads during lifting operations.

Method used

A lifting mechanism for cranes comprising a load-handling device with a tiltable base and stabilizers, including pre-tensioned springs, shock absorbers, or gas springs, and a tension member arrangement to absorb and dampen oscillations, ensuring horizontal equilibrium and preventing unwanted rotational movements.

Benefits of technology

The mechanism effectively stabilizes crane loads by absorbing pendulum movements through tilting, reducing oscillations and preventing uncontrollable deflections, allowing for safe and controlled lifting operations without complex control systems.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

A lifting device (1, 1') for a crane comprising a load-handling device (2) for receiving a crane load (5), a lifting device (3) for raising and lowering the load-handling device (2), and a lifting device base (4, 4') for attaching the lifting device (3) to the crane, wherein the lifting device base (4, 4') comprises a first part (42, 42') with a fastening device (422, 422') for attaching the lifting device base (4, 4') to a crane and a second part (44, 44') on which the lifting device (3) engages, as well as an articulating device (46), wherein the two parts (42, 44) are connected to each other by means of the articulating device (46) such that the second part (44, 44') is tiltably held on the first part (42, 42'), characterized in that at least one stabilizer (48, 48', 48'') is arranged between the first part (42, 42') and the second part (44, 44'), which provides an essentially horizontal equilibrium position of the second part (44, 44') of the hoist base (4, 48'') without crane load (5).4') specifies, wherein the at least one stabilizer (48, 48', 48'') comprises a pre-tensioned spring and / or a shock absorber and / or a gas spring and / or an oil brake cylinder, and the lifting device (3) is designed as a tension member arrangement (3) with at least three tension members (32, 32', 32''), wherein the tension members (32, 32', 32'') engage the lifting device base (4, 4') at horizontal intervals and run obliquely towards each other towards the load-bearing device (2).
Need to check novelty before this filing date? Find Prior Art