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Bridge floor crane

A technology of cranes and hanging baskets, which is applied in the direction of walking bridge cranes, bridges, cranes, etc., which can solve the problems of lack of free adjustment in the longitudinal direction, complex structure, high processing cost, etc., to avoid low dimensional accuracy requirements, The effect of simplifying the processing technology and avoiding the cost of the truss

Active Publication Date: 2020-09-04
CHINA MERCHANTS CHONGQING COMM RES & DESIGN INST +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] At present, the hanging baskets in the existing bridge deck cranes erecting viaducts are designed to be anchored and fixed, so they do not have the free adjustment in the longitudinal direction, and the requirements for the dimensional accuracy of the bridge pre-embedded and lifting holes are very high, which can easily lead to misalignment. In addition, the truss used in the bridge deck crane is usually integrally formed, the structure is complex, the processing cost is high, and it cannot meet the requirements of modern bridge construction technology

Method used

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specific Embodiment approach

[0029] Further, see figure 1 and image 3 , as a specific embodiment of the bridge deck crane provided by the present invention, the lifting mechanism 3 includes a hanging basket 31 and a lifting assembly 32. The lifting assembly 32 is arranged on the load-bearing truss 1 and can drive the hanging basket 31 to lift. The hanging basket 31 is provided with a first sensing device 33, and the support column 21 is provided with a second sensing device 34. The first sensing device 33 can cooperate with the second sensing device 34 to monitor whether the hanging basket 31 has reached a preset height. . In this way, when the hanging basket 31 rises under the driving of the lifting assembly 32, and when the hanging basket 31 rises to a preset height, the second sensing device 34 and the first sensing device 33 sense each other to send a signal, and the lifting assembly 32 stops driving. The hanging basket 31 rises, which improves the splicing efficiency and shortens the construction ...

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Abstract

The invention relates to the technical field of bridge construction, and specifically discloses a bridge floor crane. The bridge floor crane comprises a first truss, a second truss, and a first regulating mechanism, wherein the second truss and the first truss are mutually spliced to form a load-bearing truss; the first regulating mechanism is arranged at the bottom of the load-bearing truss; a hoisting mechanism and a second regulating mechanism are arranged on the load-bearing truss; the first regulating mechanism comprises a supporting column and a regulating handle; and the second regulating mechanism comprises a pair of guide rails slantwise arranged on the bottom end of the load-bearing truss, and a locking mechanism arranged on the guide rails. So, the improvement of the truss costcaused by the integrated molding is avoided through the load-bearing truss formed by mutually splicing the first truss and the second truss; and by arranging the hoisting mechanism and the second regulating mechanism on the load-bearing truss, the hoisting mechanism can be used for hoisting a bridge floor, and the second regulating mechanism can be used for adjusting the longitudinal displacementof the hoisting mechanism, and when the hoisting mechanism moves to a suitable position, the hoisting mechanism can be locked by the locking mechanism in the second adjusting mechanism.

Description

technical field [0001] The invention relates to the field of bridge construction, and specifically discloses a bridge deck crane. Background technique [0002] With the advancement of bridge construction technology, the bridge construction technology has changed from traditional cast-in-place construction to modern prefabricated assembly construction. Modern prefabricated assembly construction is easy to realize mechanized construction, the upper and lower structures can work in parallel, shorten the on-site construction period, and meet the requirements of safe, efficient and economical modern infrastructure construction. It is against this background that the bridge deck crane came into being as a special erection equipment. [0003] At present, the hanging baskets in the existing bridge deck cranes erecting viaducts are designed to be anchored and fixed, so they do not have the free adjustment in the longitudinal direction, and the requirements for the dimensional accura...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C17/20B66C13/46B66C13/16B66C1/02B66C9/14F16F15/04E01D21/00
CPCB66C1/0218B66C9/14B66C13/16B66C13/46B66C17/20E01D21/00F16F15/04
Inventor 刘海明廖敬波熊邵辉杨益王发正王大将唐健森
Owner CHINA MERCHANTS CHONGQING COMM RES & DESIGN INST
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