Gradable unloading sand box

A technology of sand box and inner vertical plate, which is used in the erection/assembly of bridges, bridges, buildings, etc., can solve the problems of easy agglomeration of the filled sand, failure to release smoothly, and easy blockage of the sand, etc. Stable, non-clogging effect
CN112554562AInactive Publication Date: 2021-03-26中交二航局第一工程有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
中交二航局第一工程有限公司
Publication Date
2021-03-26
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a gradable unloading sand box. The gradable unloading sand box comprises a top plate and a bottom plate, an inner vertical plate is arranged on the lower surface of the top plate, an outer vertical plate is arranged on the bottom plate, the inner vertical plate is sleeved with the outer vertical plate, a plurality of leakage holes are formed in the outer vertical plate, a baffle is arranged outside the leakage holes, one end of the baffle is hinged to the outer vertical plate, and the other end of the baffle is clamped with the outer vertical plate; and an auxiliary discharging device is further arranged and clamped in the leakage holes, a spiral shaft is arranged in the auxiliary discharging device, the end of the spiral shaft is connected with a motor, and the motor rotates to drive the spiral shaft to rotate so as to output materials in the inner vertical plate. The technical scheme has the technical effects of being stable in structure, convenient to disassemble and assemble, capable of achieving graded descending, short in filler flow path and not prone to blockage; and the gradable unloading sand box can be widely applied to the field of concrete construction, and is stable in structure, convenient to disassemble and assemble, capable of achieving graded descending, short in filler flow path and not prone to blockage.
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Description

technical field

[0001] The invention relates to the field of unloading sand boxes, in particular to a graded unloading sand box. Background technique

[0002] With the vigorous advancement of my country's infrastructure, as of 2017, my country has built as many as 832,000 road bridges, and has become the world's largest bridge country.

[0003] At present, in the construction technology of cast-in-place supports, the construction supports are constructed sequentially from bottom to top during erection. In order to facilitate the dismantling of the structure, the upper support will be raised. When the support is removed, the heightening pad will be taken out so that the upper support can fall. Now there is an unloading sand box structure, which can replace the cushion block, but the opening is small, or the internal sand flow path is too long. When the climate is humid, the sand filled inside is easy to agglomerate, and the sand in the ordinary sand box is easy to block, so t...

Claims

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