Balance weight loading and unloading mechanism for crane as well as crane and loading and unloading method for balance weight

A loading and unloading mechanism, crane technology, applied in the direction of the crane, etc., can solve the problem of counterweight shaking and so on

Inactive Publication Date: 2012-01-04
ZOOMLION HEAVY IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention aims to provide a counterweight loading and unloading mechanism for a crane, a crane with the same and a counterweight loading and unloading method, so as to solve the problem in the prior art that the counterweight shakes greatly during the disassembly process

Method used

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  • Balance weight loading and unloading mechanism for crane as well as crane and loading and unloading method for balance weight
  • Balance weight loading and unloading mechanism for crane as well as crane and loading and unloading method for balance weight
  • Balance weight loading and unloading mechanism for crane as well as crane and loading and unloading method for balance weight

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Embodiment Construction

[0024] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0025] image 3 It shows a structural schematic view of an embodiment of the crane counterweight loading and unloading mechanism according to the present invention, Figure 4 show image 3 A-A sectional schematic diagram of the counterweight loading and unloading mechanism for medium cranes, combined with reference Figure 3 to Figure 4 , The crane counterweight loading and unloading mechanism of the present embodiment includes: a turntable 10, a counterweight 30 and a vehicle frame (not shown in the figure). Both sides of the turntable 10 are respectively provided with a first lifting mechanism and a second lifting mechanism along the vertical direction. In this embodiment, the first liftin...

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Abstract

The invention provides a balance weight loading and unloading mechanism for a crane as well as a crane and a loading and unloading method for a balance weight. The balance weight loading and unloading mechanism for the crane comprises a rotary table (10), a balance weight (30) and a frame; the mechanism further comprises a lifting mechanism which is arranged on the rotary table (10) along the vertical direction; a locking cylinder (15) which is arranged on the rotary table (10) along the horizontal direction and is provided with a locking pin; a horizontal connecting plate which is arranged on the balance weight (30) along the horizontal direction and is matched with the lifting mechanism to enable the balance weight (30) to move along the vertical direction; and a vertical connecting plate which is arranged on the balance weight (30) along the vertical direction; the vertical connecting plate is provided with connection holes; and the locking pin is matched with the connecting hole to enable the balance weight (30) to lock or unlock along the horizontal direction. According to the invention, the problem that the balance weight sway in the process of loading and unloading in the prior art is solved; and the process of loading and unloading the balance weight is safer and more stable.

Description

technical field [0001] The invention relates to the field of cranes, in particular to a counterweight loading and unloading mechanism for a crane, a crane and a counterweight loading and unloading method. Background technique [0002] The counterweight is one of the important components of the crane, which can balance the bridge load, improve the stability of the vehicle, and enhance the lifting characteristics. As the tonnage of the crane increases, the weight of the corresponding counterweight also increases a lot, and with the increase of its working conditions, the corresponding counterweights are also different under different working conditions. There are restrictions, and the counterweight has to be made into a movable counterweight, that is, there is no counterweight when driving, and it is installed as required during work. In this way, the self-loading and unloading of the counterweight is realized, that is, the crane itself can load and unload the counterweight w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/74
Inventor 张斌刘之安宋开宇胡道权
Owner ZOOMLION HEAVY IND CO LTD
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