Bridge-stacking secondary stacking device for radioactive waste goods packages

Abstract

The invention discloses a bridge-stacking secondary stacking device for radioactive waste goods packages. The bridge-stacking secondary stacking device for radioactive waste goods packages comprises acart, a trolley, and a primary hoisting mechanism and a secondary stacking mechanism which are connected with the trolley respectively; the cart is designed to move along a cart track arranged on a bridge type elevated platform, the cart comprises a cart frame provided with a trolley track, and the trolley is designed to move along the trolley track arranged on the cart frame; the primary hoisting mechanism is used for carrying out primary hoisting and lower-height stacking on radioactive waste goods packages, and the secondary stacking mechanism is used for carrying out secondary hoisting and higher-height stacking on the radioactive waste goods packages stacked by the primary hoisting mechanism, so that secondary stacking is completed. Compared with the prior art, the advantages of a bridge crane and a bridge stacker are integrated, the space utilization rate and the positioning precision of stacking are improved, and high-precision, high-stability, high-freedom-degree and high-space-utilization-rate automatic stacking of radioactive waste goods packages in an arc-shaped roof or special-shaped roof warehouse is achieved.

Description

technical field [0001] The invention relates to cargo stacking technology, and more specifically, the invention relates to a bridge-type high secondary stacking device for radioactive waste cargo packages. Background technique [0002] In the prior art, the cargo stacking task is usually completed by cranes (including gantry cranes and bridge cranes) or track stackers. Cranes and stackers usually have carts and trolleys to complete the movement in the horizontal plane respectively. Cranes use cranes to complete the lifting work in height. Stackers use tire structures as bases and use rail stacking mechanisms to complete stacking in height. high work. [0003] But utilize existing crane and stacker to stack goods, all there is following technical problem that is difficult to overcome. [0004] First, the stacking height of cranes and stackers is insufficient, and the utilization rate of stacking space is not high. Due to the mechanical structure characteristics of the cran...

AI Technical Summary

Problems solved by technology

[0004] First, the stacking height of cranes and stackers is insufficient, and the utilization rate of stacking space is not high

Due to the mechanical structure characteristics of the crane, it is suspended by steel cables during hoisting, which is prone to shaking and usually requires manual assistance. On the basis of ensuring safety and precision, the lifting height of the crane is usually relatively small, and the gantry crane with high lifting height Higher cart brackets are required, which is a challenge to the stability and cost of the entire spreader

Moreover, the lifting height of the crane cannot exceed the position of the crane, so for warehouse stacking tasks with curved or special-shaped roofs, it cannot be stacked beyond the upper space of the spreader and the position of the arc top, and its space utilization rate is low

Due to its four-wheel vehicle-type base and rail-type lifting structure, the stacker determines that its stacking height cannot be too high, otherwise it will also affect the stability and safety of the mechanism

Therefore, for the stacking site of the same area, the space utilization rate of the stacker is low

[0005] Second, the stacking freedom of the stacker is not high, and the stacking stability is poor

Therefore, during the stacking process, there will be a pile of goods with a high height and a small bottom area, which has poor stability and is easily shaken by external interference, resulting in collapse. There are almost no other stacking solutions, and the stacking is free low degree

[0006] Third, the stacking accuracy of cranes and stackers is poor, and it is difficult to automate

Although the crane operates according to the coordinate system in the horizontal plane, the positioning is relatively accurate, but its steel cable suspension in the vertical direction is prone to shaking, resulting in poor positioning accuracy. Usually, manual auxiliary positioning is required below, and it is difficult to realize automated unmanned production.

Due to its tire-type chassis, the stacker is flexible, but it is difficult to control its own posture and accurate positioning in the horizontal plane. When it is applied to automatic production, the control algorithm is too complicated, and it is difficult to realize automatic production without manual operation.

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