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Counterweight block and assemblies for cranes

A technology of counterweights and protrusions, applied in cranes and other directions, can solve problems such as transportation and stacking for a long time

Inactive Publication Date: 2015-02-18
MANITOWOC CRANE CO LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because some cranes use hundreds of metric tons of counterweights, it takes a long time to transport and stack the counterweights at the job site
Additionally, it can be difficult to keep counterweights in a taller stack stationary from tilting while operating the crane, especially when the stack is movable relative to the rest of the crane's rotating deck

Method used

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  • Counterweight block and assemblies for cranes
  • Counterweight block and assemblies for cranes
  • Counterweight block and assemblies for cranes

Examples

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Embodiment Construction

[0034] The present invention will be described in detail below. In the following paragraphs, different aspects of the embodiments are defined in more detail. Aspects so defined may be combined with any other aspect or aspects unless specifically stated otherwise. In particular, any feature considered to be preferred or advantageous may be combined with one or more other features which are considered to be preferred or advantageous.

[0035] While the embodiments of the counterweights and related components are applicable to counterweights used with other cranes or machines, the description will be made here with respect to the mobile crane 10, as Figure 1-2 shown. Mobile crane 10 includes a lower body, also referred to as a carbody 12 , and movable ground engaging members in the form of crawlers 14 and 16 . Here be provided with two front crawler belts 14 and two rear crawler belts 16, in figure 1 Only one of each track can be seen in the side view of the . another set ...

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Abstract

A counterweight block apparatus (34) includes a pair of interconnecting counterweight blocks (100) having top and bottom surfaces, the counterweight blocks (100) forming a plane of interconnection along adjacent sides thereof; and a shear bar (130) releasably secured between the adjacent sides of the interconnecting counterweight blocks (100), generally perpendicular to the plane of interconnection, to provide resistance to relative vertical movement of the interconnecting counterweight blocks (100) along the plane of interconnection. In another aspect, each counterweight block (100) includes in at least one side thereof an indentation (120) from a top of the counterweight block (100) to a depth more shallow than the thickness of the counterweight block (100), the indentation defining a lip (150) for hand grabbing. An aperture (158) may be formed through the rest of the thickness of the counterweight block (100) at each indentation, wherein a securing strap can be run through each aperture of a stacked plurality of counterweight blocks (100) to secure them to each other.

Description

[0001] This application is a divisional application. The application number of the original application is 201010176778.X, the application date is March 9, 2010, and the title of the invention is the balance weight and components of the crane. technical field [0002] The present application relates to a counterweight block and related components; a mobile crane utilizing the counterweight block to provide counterweight to a load; and methods of making and utilizing the counterweight block and related components. Background technique [0003] For example, the mobile crane mentioned in this article is very heavy and must be disassembled into individual pieces during transportation between various job sites, wherein the weight of each piece transported must be within the weight limit of road transportation. Some countries may have different weight limits per piece, and it will vary depending on the weight of the shipping vehicle. Therefore, it is necessary to build the crane ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/74
CPCB66C23/74B66C23/76
Inventor T.D.门廷克W.J.奥奈尔
Owner MANITOWOC CRANE CO LLC
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