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Movable type counterweight device for bridge closure and use method thereof

A counterweight device and mobile technology, which is applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of inflexible use, inability to ensure accuracy, complicated operation, etc., and achieve the effect of ensuring stability

Pending Publication Date: 2019-12-20
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the counterweight water tank is often used to realize the counterweight, and then the lifting equipment is used to apply tension to it to realize the closure. The counterweight box can only inc

Method used

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  • Movable type counterweight device for bridge closure and use method thereof
  • Movable type counterweight device for bridge closure and use method thereof
  • Movable type counterweight device for bridge closure and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as Figure 1 to Figure 4 As shown, a mobile counterweight device for bridge closing includes a traveling mechanism and a counterweight mechanism. The traveling mechanism includes two parallel walking tracks 1 and a walking frame 2 between the two walking tracks 1. The two walking The track 1 is provided with brackets 3, and the two brackets 3 are respectively slidably connected to the corresponding walking track 1, and the two brackets 3 are provided with a locking structure, and the walking frame 2 is provided with a first motor 4 and a walking wheel 5. And the first transmission assembly, the output shaft of the first motor 4 is connected with the first bevel gear 6 through the first transmission assembly so that the forward fixed transmission and reverse rotation can be realized between the first bevel gear 6 and the output shaft of the first motor 4 Relatively rotating, two groups of traveling wheels 5 are respectively located on the corresponding traveling tra...

Embodiment 2

[0038] Such as Figure 1 to Figure 4 As shown, a method for using a mobile counterweight device for bridge closure, comprising the following steps,

[0039] S1. Install the walking track 1 on the bridge to be closed, adjust the levelness of the walking track 1 and fix it, install the walking frame 2 on the walking track 1, and fix and install the pouring formwork with the corresponding support seat 11 through the connecting rod 10 On the support 3 of the walking track 1;

[0040] S2. Start the first motor 4, drive the first bevel gear 6 and the cam disc 21 to rotate in the forward direction through the first motor 4, the cam disc 21 will squeeze the lifter 19 to lower, and the first connecting member pushes the slider 22 to move to the left , the second connecting piece pushes the locking piece 20 to move to the right and separates from the brake gear 7, while the first bevel gear 6 meshes with the second bevel gear 9 to drive the rotating shaft 8 and the walking wheel 5 to m...

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Abstract

The invention discloses a movable type counterweight device for bridge closure and a use method thereof, and belongs to the bridge closure counterweight engineering field. The movable type counterweight device for the bridge closure comprises a travelling mechanism and two counterweight mechanisms, wherein the travelling mechanism comprises two travelling rails and a travelling frame between the two travelling rails, supports are arranged on the two travelling rails, locking structures are arranged on the supports, a first motor, travelling wheels and a first driving assembly are arranged on the travelling frame, a first bevel gear is connected onto an output shaft of the first motor through the first driving assembly, brake gears are fixedly connected with inner sides of the travelling wheels, the brake gears are matched with the locking structures, rotation shafts are coaxially and fixedly connected onto the travelling wheels, the rotation shafts are fixedly connected with second bevel gears meshed with the first bevel gear, each counterweight mechanism comprises a pouring template, a connection rod and a support seat, each pouring template is fixedly connected with each connection rod, each connection rod is fixedly connected onto each support seat, weighing boxes are arranged on both the two support seats, and a contraction structure is arranged between the two support seats. The movable type counterweight device for the bridge closure realizes precise counterweight, and is convenient to adjust and strong in practicability.

Description

technical field [0001] The invention belongs to the technical field of bridge closing counterweight engineering, and in particular relates to a mobile counterweight device for bridge closing and a using method. Background technique [0002] Bridge closure is a sign of the completion of the main structure of the bridge, and it is also a key link in bridge construction. For bridges constructed with cantilever, whether it is a continuous girder bridge, continuous rigid frame bridge, cable-stayed bridge, or segmental arch bridge, the quality of the closure is one of the important indicators related to the success or failure of the whole bridge construction. The problem of counterweight will be encountered in the closing of cantilever bridges, and it is an important factor affecting the quality of closing. During the pouring construction of the closing section of the bridge with cantilever construction, with the pouring of concrete, the stress state of the bridge structural syst...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D21/10
CPCE01D21/00E01D21/10
Inventor 徐华清
Owner CHINA MCC17 GRP
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