A balance beam device for supporting the main beam of a mobile formwork
A technology for moving formwork and balance beams, which is applied in the erection/assembly of bridges, bridges, bridge construction, etc. It can solve the problems of overall self-weight and complex structure of trolley devices, so as to reduce the overall height and prevent local overload and partial load , the effect of simple equipment
Inactive Publication Date: 2015-12-09
CHANGAN UNIV +1
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Problems solved by technology
[0006] 3. The structure of the trolley device is complex, and the overall weight is heavy
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[0023] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0024] Specific embodiments of the present invention are provided below, and it should be noted that the present invention is not limited to the following specific embodiments, and all equivalent transformations done on the basis of the technical solutions of the present application all fall within the scope of protection of the present invention.
[0025] Such as figure 1 with figure 2 As shown, the girder box supporting frame 1 of the present invention is vertically arranged in the girder box body and installed on the top of the girder box, and is welded by several steel plates. The lower part of the beam box support frame 1 is connected to ensure the reliability of the connection between the first hinge support 3 and the main beam box support frame 1 . The first hinge support 3 is connected with the second hinge support 5 through the pin shaft 4 to form a hinge ...
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The invention relates to a balance beam device for supporting a movable formwork main beam. The balance beam device for supporting the movable formwork main beam comprises a main beam box and a main beam box support, wherein the main beam box is installed on a pushing trolley, and the main beam box support is vertically disposed in the main beam box and arranged at the top of the main beam box; the lower end of the main beam box support is connected with a hinge support mechanism, and the lower end of the hinge support mechanism is connected with the tops of balance beams so that balance beam supporting systems are formed; two lifting oil cylinders are mounted between the bottoms of the balance beams and the pushing trolley. According to the balance beam device for supporting the movable formwork main beam, the hinge support mechanism is connected with the balance beams so as to form the balance beam supporting systems, the balance beam supporting systems are arranged at supporting positions of front and rear piers of the main beam so that a simply supported beam mechanical model of the movable formwork main beam is formed, during pouring of concrete, whole load can be uniformly transmitted to the two lifting oil cylinders through the balance beam supporting systems, stress of bracket beams below the pushing trolley is uniform, local overloading and unbalance loading of the bracket beams can be prevented, and device safety can be effectively guaranteed.
Description
technical field [0001] The invention belongs to the technical field of bridge construction, and in particular relates to a balance beam device for supporting a main girder of a mobile formwork. Background technique [0002] The mobile formwork is a kind of construction equipment with self-contained formwork, using caps or pier columns as support, and pouring bridges on site. As an advanced construction equipment, due to the advantages of good construction quality, easy operation and high efficiency, mobile formwork has been widely used in the continuous beam construction of highways, road bridges and railway bridges. [0003] The running of the mobile formwork is realized by pushing the trolley, and the longitudinal displacement oil cylinder and the lateral displacement oil cylinder are installed on the trolley to realize the vertical movement, lateral movement and lifting of the mobile formwork. The propulsion trolley of the existing mobile formwork is installed under the ...
Claims
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IPC IPC(8): E01D21/00
Inventor 邵雨虹王斌华杨龙飞秘嘉川王龙奉王瑞
Owner CHANGAN UNIV