Suspended basket external spherical pressing wheel device
An external, pressure-rolled technology, applied in construction, bridge construction, bridges, etc., can solve the problems of time-consuming, labor-intensive, material-consuming, design, manufacturing, transportation and installation, labor-intensive, low-speed, etc., and achieves light weight, easy operation, and efficiency. high effect
Inactive Publication Date: 2011-05-04
CCCC THIRD HARBOR ENG
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Problems solved by technology
This kind of reverse buckle wheel method must have a track. This kind of track is very heavy. Only when the hanging basket is jacked up can the heavy walkway be inserted under the longitudinal beam of the hanging basket, the labor intensity is high, the speed is low, and there are unsafe factors
Method used
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[0015] The external spherical positive buckle pressure device is composed of an anchor rod (1), a nut (2), a spherical support (3), a pin shaft (4), a balance frame (5), a roller frame (6), a roller (7), and a connection (8), pre-embedded anchor rod (9), the roller (7) is installed on the roller frame (6), the roller frame (6) is connected with the balance frame (5) by the pivot pin (4), the anchor rod (1 ) through the balance frame (5) and the through hole on the spherical support (3) to connect with the embedded anchor rod (9) with the connector (8), and the upper end of the anchor rod (1) is connected with the nut (2) and the spherical support (3) Fixed on the balance frame (5), when the hanging basket is walking, the roller (7) rolls on the hanging basket longitudinal beam (10) but does not move, and the hanging basket longitudinal beam (10) slides on the pad (11) .
[0016] Roller frame (6) is two independent plates, adopts static fit method to be installed with two roll...
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The invention relates to a counterweight-free suspended basket cantilever running device of bridge cantilever pouring, namely a suspended basket external spherical pressing wheel device, comprising a plurality of anchor rods, a screw nut, a spherical support, a shaft pin, a balance frame, a roller frame, a roller, a connector and a bridge deck pre-cast anchor rod, wherein the roller is arranged on the roller frame connected with the balance frame via the shaft pin; and the anchor rods penetrate the roller frame and through holes on the spherical support to connect with the bridge deck pre-cast anchor rod via the connector. When the suspended basket runs, the pressing wheel device rolls on the suspended basket longitudinal beam but does not move. By the external pressing wheel device, the suspended basket cantilever can run without running track and balance weights, thus enabling the suspended basket to have lighter self weight, lower cost, convenient operation and high efficiency and ensuring the axial stress of the anchor rods. The external spherical pressing wheel device has convenient assembly and disassembly without hand haulage in position alternation, and can be pushed for rolling on the suspended basket longitudinal beam.
Description
technical field [0001] The invention relates to a bridge cantilever casting hanging basket. Especially the cantilever walking system without balance ballast hanging basket. Background technique [0002] The prestressed concrete rigid frame or continuous girder bridge is constructed by cantilever cast-in-place section by section, and each section is connected by steel bars and prestressed steel hinge lines. Cantilever concrete pouring and prestressing works are carried out on hanging baskets. After a segment is completed, the hanging basket needs to be cantilevered to move to the next position to continue construction, and so on until the last segment. [0003] Most of the cantilever casting hanging baskets currently use hanging baskets without balance weight, especially in the case of large bridge spans and large wind loads, only hanging baskets without balance weight can be used for cantilever construction. After the hanging basket has finished pouring a beam section, it...
Claims
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IPC IPC(8): E01D21/10
Inventor 孙广喜
Owner CCCC THIRD HARBOR ENG