Load-adaptive hoisting mechanism

US10077175B2 · kind B2 · utility

Assignee

• Northwestern University · US

Inventors

• Zhiguo Lu · Changsha, CN
• Ji Zou · Shenyang, CN
• Tian Tian · Cambridge, GB
• Bairen Feng · Shenyang, CN
• Zuotao Liu · Shenyang, CN

Key dates

• Filing date: Mar 31, 2015
• Grant date: Sep 18, 2018
• Expiry date: Feb 2, 2036

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B66D1/48
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

Provided is a load-adaptive hoisting mechanism, including a bracket and roofs, wherein the roofs are arranged above the bracket, upright columns are arranged between the bracket and the roofs, through holes corresponding to the upright columns are formed in the roofs, the upright columns are arranged in the through holes, and the lower ends of the upright columns are connected with the bracket; springs sleeve the upright columns between the bracket and the roofs; roof pulleys arranged on the side surfaces of the roofs, bracket pulleys arranged on the side surfaces of the bracket, and the side surfaces of the roofs corresponding to the side surfaces of the bracket; a truncated conical roller arranged in the center above the bracket.