A mobile formwork for the construction of assembled truss beams
A technology for moving formwork and truss beam, applied in the field of mobile formwork, can solve the problems of large lifting span of assembled truss beam, low degree of mechanization of mobile formwork, large workload of cast-in-place support, etc. Improved machine safety and shorter travel time
Active Publication Date: 2022-04-12
CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD
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Problems solved by technology
[0005] In view of the defects existing in the prior art, the purpose of the present invention is to provide a mobile formwork for the construction of assembled truss beams, which can solve the problem of low mechanization of the mobile formwork in the prior art and the large lifting span of some assembled truss beams. The span erection of cast-in-place supports is heavy workload, time-consuming, low work efficiency, and fails to reflect the problem of mechanization
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[0042] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.
[0043] Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0044] Such as Figure 1 to Figure 6 As shown, the present invention provides a mobile formwork for the construction of an assembled truss beam, including: a main beam 1 , a bottom supporting mechanism ...
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The invention relates to the technical field of bridge construction, in particular to a mobile formwork for the construction of an assembled truss beam. The mobile formwork includes: a main beam, a bottom supporting mechanism and an upper hanging mechanism. The two main girders arranged at intervals can be slidably installed on the pier; the bottom supporting mechanism is configured as follows: during beam erection construction, the middle part is connected to lay the bottom formwork; during mobile construction, the middle part is disassembled and disconnected, and The two ends connected to the two main girders are respectively rotated to the position where they can pass through the bridge pier. The upper hanging mechanism is configured as follows: during beam erection construction, the middle part is connected to hang the bottom support mechanism; during mobile construction, the middle part is disassembled and disconnected, and both sides slide on the main beam until they can pass through the web of the truss beam rod position. It can solve the problems in the prior art that the degree of mechanization of the mobile formwork is low, the lifting span of some assembled truss beams is large, and the erection of cast-in-place supports span by span is heavy, time-consuming, low in work efficiency, and fails to reflect mechanization.
Description
technical field [0001] The invention relates to the technical field of bridge construction, in particular to a mobile formwork for the construction of an assembled truss beam. Background technique [0002] During the construction of partially fabricated truss girders, it is necessary to provide a cast-in-place platform for the lower deck, and then use other lifting machinery to hoist the web members and upper deck members piece by piece for assembly. [0003] The current traditional method is: first assemble cast-in-place brackets or brackets within the span to form a cast-in-place platform for the lower deck, and after the strength of the lower deck is reached, use crawler cranes or truck cranes to complete the webbing and upper deck. For the hoisting work, after the assembly is completed, all cast-in-place supports and brackets are removed and transported back to the next span for construction. [0004] However, this method has the following disadvantages: the degree of m...
Claims
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IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 王英博朱佳绪王振伟梁伟许颖强刘翠云毛伟琦涂满明田继开
Owner CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD