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Multi-layer continuous combination overhead beam

A kind of convenient beam and beam body technology, which is applied in the erection/assembly of bridges, bridges, bridge construction, etc., can solve the problems of not meeting the minimum 45km/h requirements of trains, and the small overhead span cannot meet the crossing of large bridges and culverts. The effect of easy assembly and construction, low hoisting and transportation costs, and light weight

Pending Publication Date: 2019-09-10
房明贤
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Problems solved by technology

[0002] At present, the national railway network has been basically formed and the level of the road network is getting higher and higher. With the development of the economy, urban roads, highways, and shipping traffic are developing rapidly. It is very common for roads and rivers to cross railways. Increasingly, the railway interchange has developed from the original single-hole small bridge and culvert into a porous large frame. The original general method of buckling the rail and lifting the beam to strengthen the line can no longer meet the minimum 45km / h requirement of the train; the D-type construction beam method is overhead The small span cannot meet the crossing of large bridges and culverts

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Embodiment Construction

[0032] Embodiments of the present invention are further described below in conjunction with accompanying drawings:

[0033] Such as Figure 1-Figure 4 , Figure 7 , Figure 8 As shown, the multi-layer continuous composite overhead beam of the present invention includes several convenient beams 1 of the same specification, the convenient beams 1 are connected end to end to form a beam body, and the multi-layer beam bodies are stacked and staggered to form a long-span longitudinal beam.

[0034] Including the short beam 2, the short beam 2 is arranged at the staggered positions of the ends of two adjacent beam bodies up and down. Because the multi-layer beams are stacked and staggered to form a long-span longitudinal beam, there must be a staggered layer at its end, and the short beam 2 is used to fill the staggered position, so that the end faces of the two ends of the longitudinal beam are even, and the overall strength of the longitudinal beam is guaranteed to be consistent...

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Abstract

The invention relates to a multi-layer continuous combination overhead beam, and belongs to the field of existing line construction; the multi-layer continuous combination overhead beam comprises a plurality of secondary beams with the same specification; the secondary beams are connected end to end to form beam bodies; the multilayer beam bodies are stacked and staggered to form a long-span longitudinal beam; when an underpass railway bridge culvert and other facilities are additionally built under the condition of not interrupting a bridge crane, the bridge crane railway is reinforced and protected by using the overhead beam.

Description

technical field [0001] The invention relates to a multi-layer continuous composite overhead beam, which belongs to the field of existing line construction. Background technique [0002] At present, the national railway network has been basically formed and the level of the road network is getting higher and higher. With the development of the economy, urban roads, highways, and shipping traffic are developing rapidly. It is very common for roads and rivers to cross railways. Increasingly, the railway interchange has developed from the original single-hole small bridge and culvert into a porous large frame. The original general method of buckling the rail and lifting the beam to strengthen the line can no longer meet the minimum 45km / h requirement of the train; the D-type construction beam method is overhead The small span cannot meet the crossing of large bridges and culverts. Under the very prominent situation of the current security situation, there is an urgent need for ...

Claims

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Application Information

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IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 房士杰李维平
Owner 房明贤
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