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Overweight electric block

A technology of electric hoists and movable pulleys, which is applied in hoisting devices, spring mechanisms, etc., can solve problems such as increasing production costs, affecting production efficiency, and lifting weight restrictions

Inactive Publication Date: 2009-05-13
河南省新乡市矿山起重机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For the existing electric hoist, the lifting weight is limited by the power of the motor and the load bearing of the wire rope, and the lifting weight is limited
The existing electric hoists for many large-tonnage goods cannot lift, causing a lot of trouble to users, affecting production efficiency and increasing production costs

Method used

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  • Overweight electric block

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Embodiment Construction

[0006] Specifically describe embodiment in conjunction with accompanying drawing, the present invention is made up of two reels, a block of pulleys, and two reels 1 are reversely installed, misplaced arrangement, and steel wire rope 5 passes through block of pulleys and is connected with two reels respectively. The pulley block is composed of fixed pulley 2 and movable pulley 3. The pulley block is composed of at least 4 fixed pulleys and 5 movable pulleys. Suspension hook 4 is installed on the movable pulley of pulley block. When the two reels run synchronously, each of them drives the steel wire rope and drives the hook through the pulley block to realize the task of lifting heavy objects. The invention is simple in structure and convenient to use, and can increase the number of pulleys in the pulley block according to the weight of different weights to satisfy the lifting of weights of different weights.

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Abstract

The invention discloses an overweight electric hoist which comprises two winding drums and a pulley block. The two winding drums are mounted reversely and arranged in a staggered manner; a steel wire rope is respectively connected with the two winding drums through the pulley block; the pulley block at least includes four fixed pulleys and five movable pulleys; hanging hooks are mounted on the movable pulleys of the pulley block. The invention has the advantages of convenient use, safety and reliability, and expands the lifting range of the electric hoist.

Description

Technical field: [0001] The invention relates to a crane, in particular to an electric hoist capable of lifting heavy tonnage goods. Background technique: [0002] In the existing electric hoist, the lifting weight is limited by the power of the motor and the bearing capacity of the wire rope, so the lifting weight is limited. The existing electric hoists for many large-tonnage goods cannot lift, causing a lot of trouble to users, affecting production efficiency and increasing production costs. Invention content: [0003] The object of the present invention is to provide a super-heavy electric hoist with simple structure and convenient use. The task of the present invention is accomplished in this way. The overweight electric hoist includes two reels and a block of pulleys. It is characterized in that: the two reels are installed in reverse, arranged in a misplaced manner, and the wire rope is connected to the two reels respectively through the block of pulleys. The pull...

Claims

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Application Information

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IPC IPC(8): B66D1/26
Inventor 蔡建星
Owner 河南省新乡市矿山起重机有限公司
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