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Stabilizing device and its assembly method for preventing jib instability under sudden unloading conditions

A stabilizing device and boom technology, applied in cranes and other directions, can solve problems such as tower crane collapse and tower crane boom instability.

Active Publication Date: 2016-03-23
SHANGHAI PANGYUAN CONSTR MACHINERY RENTAL CO LTD
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Problems solved by technology

Especially when unloading, due to the sudden change of the load, the tower crane will generate a large impact load, and due to the high rigidity of the jib of the tower crane, the impact load will gradually become multiple alternating loads, which will cause the tower to A vicious accident in which the tower crane collapsed due to the instability of the boom of the type crane

Method used

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  • Stabilizing device and its assembly method for preventing jib instability under sudden unloading conditions
  • Stabilizing device and its assembly method for preventing jib instability under sudden unloading conditions
  • Stabilizing device and its assembly method for preventing jib instability under sudden unloading conditions

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0015] The invention discloses a stabilizing device and an assembly method for preventing the instability of a boom under the condition of sudden unloading. It includes a herringbone support 1, which is different from the prior art in that: between two support pipes of the herringbone support 1 There are support pipes 2 distributed in a continuous roundabout shape, and each support pipe 2 connects two support pipes into one body. Cap hoop 4.

[0016] In specific implementation, the boom hoop 3 is composed of a double-tube main hoop piece 5 and a first secondary hoop piece 6, and both sides of the double-pipe main hoop piece 5 and the first secondary hoop piece 6 are fixed by bolts The outer surface of the double-tube main hoop piece 5 is provided with two damping and shock-absorbing sleeves 7 distributed in a herringbone shape. The damping and shock-ab...

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Abstract

The invention discloses a stable device capable of preventing cargo boom instability under sudden unloading conditions and an assembling method thereof. The stable device comprises a herringbone-shaped support and is characterized in that continuous circuitous supporting tubes are arranged between two stand tubes of the herringbone-shaped support and connect the two stand tubes into a whole; the connecting end of the two stand tubes are connected by a big arm hoop; the suspending ends of the two stand tubes are equipped with tower cap hoops. The stable device has the following technical advantages: the practicability is strong, the impact load generated in unloading process can be effectively balanced, and pernicious accidents such as collapse of a tower crane can be avoided, so that the safety performance of the tower crane can be improved and the wear and tear of the tower crane can be alleviated; the transport cost is low, the installation and the management are convenient; the use cost is low, and the stable device can be used repeatedly.

Description

technical field [0001] The invention relates to the technical field of tower cranes, in particular to a stabilizing device for preventing jib instability under sudden unloading conditions and its assembly method, in particular to its mechanical connection structure. Background technique [0002] Generally, tower cranes need to be loaded and unloaded frequently during the lifting operation. Especially when unloading, due to the sudden change of the load, the tower crane will generate a large impact load, and due to the high rigidity of the jib of the tower crane, the impact load will gradually become multiple alternating loads, which will cause the tower to collapse in severe cases. A vicious accident in which the boom of the type crane was unstable, resulting in the collapse of the tower crane. [0003] Therefore, it is necessary to add a stabilizing device at the jib of the crane to balance the impact load generated during the unloading process and avoid vicious accidents ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C23/88B66C23/64
Inventor 蒙智峰吴科明汪勇华
Owner SHANGHAI PANGYUAN CONSTR MACHINERY RENTAL CO LTD
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