Explosion-proof fixed column type slewing crane

A crane and fixed-column technology, which is applied in the field of explosion-proof fixed-column jib cranes, can solve problems such as inconsistencies in lifting ropes of conveying pumps

Pending Publication Date: 2022-02-11
宁波凯荣新能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application aims at the above-mentioned deficiencies in the prior art, and provides an explosion-proof fixed-column jib crane that can solve the problem

Method used

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  • Explosion-proof fixed column type slewing crane
  • Explosion-proof fixed column type slewing crane
  • Explosion-proof fixed column type slewing crane

Examples

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments. Apparently, the described embodiments are only preferred embodiments, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention;

[0031] Furthermore, it should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be another intermediate element through which it is fixed. When an element is said to be "connected to" another element, it may be directly connected to the other element or another intervening element may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element o...

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PUM

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Abstract

The invention discloses an explosion-proof fixed column type slewing crane, which is characterized by comprising a stand column and a lifting arm located at the upper end of the stand column, wherein a walking trolley is arranged on the lifting arm, a maintenance platform is arranged below the lifting arm, and a slewing mechanism is arranged between the lifting arm and the stand column and used for driving the lifting arm to rotate; and at least two sets of hoisting mechanisms are arranged on the walking trolley. The explosion-proof fixed column type slewing crane has the advantages that the problem that two conveying pump lifting ropes are inconsistent can be solved, and enough space is provided for fixing cylinders at the tail ends of the conveying pump lifting ropes.

Description

technical field [0001] The invention relates to the technical field of hoisting of delivery pumps in large LNG storage tanks, in particular to an explosion-proof fixed column jib crane. Background technique [0002] In large-scale LNG (liquefied natural gas) storage tanks, special high-power delivery pumps are required, and the use of delivery pumps needs to be submerged in liquefied natural gas. When the transfer pump needs to be repaired, special lifting equipment is used. The tank top fixed column jib crane is a kind of equipment specially designed and developed according to this requirement. [0003] The operating environment of this type of tank top fixed column jib crane is generally as follows: 1) generally at the seaside, humid, high salt, high temperature, strong wind, and large temperature difference; Lower than ExdIIBT4. Its particularity lies in: when repairing the LNG transfer pump, the crane must use the low-temperature rope that comes with the pump to lift ...

Claims

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Application Information

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IPC IPC(8): B66C9/08B66C9/14B66C9/18B66C11/04B66C11/26B66C7/16B66C23/02B66C23/16B66D1/36
CPCB66C9/08B66C9/14B66C9/18B66C11/04B66C11/26B66C7/16B66C23/022B66C23/166B66D1/36
Inventor 王勇标邬科杰李龙
Owner 宁波凯荣新能源有限公司
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