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Horizontal arm tower-type crane

A technology of tower cranes and flat arms, which is applied to cranes and other directions, can solve problems such as high power loss, achieve the effects of less heat loss, reduce energy consumption, and save production and transportation costs

Active Publication Date: 2015-04-01
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, since the large or super-large flat-arm tower crane adopts a large and heavy boom and a large-diameter steel wire rope, the luffing process requires more energy to overcome gravity resistance, and its high-power motor, And large-scale couplings, gearboxes and drums, etc., need to consume more energy when starting and braking, resulting in large or super-large flat-arm tower cranes that will generate less energy when lifting lighter loads. large power loss

Method used

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Embodiment Construction

[0023] In order to further explain the technical means and effects adopted by the present invention to achieve the intended purpose of the invention, below in conjunction with the accompanying drawings and preferred embodiments, the specific implementation, structure, characteristics and Its efficacy is described in detail as follows:

[0024] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings. Through the description of specific implementation methods, the technical means and effects of the present invention to achieve the intended purpose can be understood more deeply and specifically, but the attached drawings are only for reference and description, and are not used to explain the present invention limit.

[0025] See figure 1 and figure 2 As shown, the flat-arm tower crane of the preferred embodiment of the ...

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Abstract

The invention provides a horizontal arm tower-type crane, which comprises a tower body, a lower support, an upper support, a balance arm, a strut and a control device, and the horizontal arm tower-type crane further comprises a first cargo boom and a second cargo boom, wherein the first cargo boom and the second cargo boom are arranged on both sides of the upper support respectively. By adopting the horizontal arm tower-type crane provided by the invention, when carrying heavy load, the first cargo boom and the second cargo boom can collaborate with each other to meet the hoisting requirements of a large type or ultra-large type tower-type crane; and when carrying light load, the first cargo boom or the second cargo boom can be used separately, so as to reduce energy consumption and save energy.

Description

technical field [0001] The invention relates to the field of construction hoisting machinery, and in particular to a flat arm tower crane. Background technique [0002] Tower crane, referred to as tower crane, also known as tower crane, is a kind of lifting equipment used in building construction. The performance advantages of tower cranes in terms of lifting height and working range make them widely used in high-rise building construction. [0003] According to the structural characteristics of the boom and the luffing method, tower cranes can be divided into pitching luffing jib (boom) type tower cranes and trolley luffing jib (flat jib) type tower cranes. [0004] The trolley luffing jib tower crane is also called the flat arm tower crane, which realizes the luffing by walking the trolley installed on the horizontal jib track. [0005] For large or super-large flat-arm tower cranes, in order to meet the lifting performance requirements and be able to lift heavier object...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C23/16
Inventor 阳云华颜瑶
Owner ZOOMLION HEAVY IND CO LTD
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