Integral drawing type box girder internal mold and using method thereof
A pull-type, internal mold technology, applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve problems affecting demoulding efficiency and inconvenient operation
Pending Publication Date: 2021-04-30
CHINA RAILWAY GUANGZHOU ENG GRP CO LTD +1
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Problems solved by technology
[0004] In view of the above-mentioned related technologies, the inventor believes that the assembly and disassembly of the box girder formwork needs to be manually entered into the narrow inner mold space for assembly and disassembly operations, which is very inconvenient to operate, thus affecting the demoulding efficiency, so there is still room for improvement
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[0033] The following is attached Figure 1-3 The application is described in further detail.
[0034] The embodiment of the present application discloses an integral pull-type box girder inner formwork and a method for using the same. refer to figure 1 with figure 2 , an integral pull-type box girder inner formwork includes two folded side forms 1, and the two folded side forms 1 are spliced together to form a formwork with a hollow interior and openings at both ends. The folding side form 1 comprises two formwork units 11 hinged to each other. The side of the template unit 11 far away from the hinge point is provided with a beveled surface 111, the beveled surface 111 is set at 45°. There is a 90° angle between the planes. The splicing between the two folding side molds 1 is achieved by fitting the respective beveled surfaces 111. When the two folding side molds 1 are spliced together, the two beveled surfaces 111 of one folding side mold 1 are located on the other ...
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The invention relates to an integral drawing type box girder inner mold and a using method thereof.The integral drawing type box girder inner mold comprises two folding side molds, the two folding side molds are spliced with each other, and a connecting piece is arranged at the splicing position of the two folding side molds; the folding side mold comprises two mold plate units which are hinged to each other, a connecting rod mechanism is arranged between the two mold plate units which are hinged to each other, and the connecting rod mechanism comprises two connecting rods which are hinged to each other and two connecting bases which are hinged to the ends of the two connecting rods respectively. The two connecting bases are rotationally connected to the inner sides of the two formwork units correspondingly, and the rotation axes of the connecting bases are parallel to the rotation axes of the formwork units. And driving rods for driving the ends, away from the hinge seats, of the connecting rods to move in the length direction of the folding side molds are arranged in the two folding side molds. The mold has the effect of improving the demolding efficiency.
Description
technical field [0001] The present application relates to the technical field of building construction, in particular to an integral pull-out box girder inner form and a method for using the same. Background technique [0002] Box girder is a kind of middle beam in bridge engineering. It is hollow inside and has flanges on both sides of the upper part, which is similar to a box, hence the name. Divided into single box, multi-box, etc. Box girder pouring needs to use box girder inner formwork. [0003] In the production process of cast-in-place box girder, the base needs to be made first, and the outer mold should be installed and fixed on both sides of the base. The bottom web steel frame is hoisted into the mold by hangers, and the box girder inner mold is hoisted to the bottom web steel bar by a gantry crane. The frame is put in place, the steel frame of the roof is hoisted to the upper side of the inner membrane as a whole by a hanger, and then the end mold is installed ...
Claims
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IPC IPC(8): E01D21/00E01D2/04
CPCE01D21/00E01D2/04
Inventor 刘学康肖浪徐强禹栋梁崔云坤白兴红陆生华曾左兵胡标梁瑞肖章天楠
Owner CHINA RAILWAY GUANGZHOU ENG GRP CO LTD