Sand screening device for construction

Abstract

The invention discloses a sand screening device for construction. The sand screening device comprises a bottom plate and a screening box. A left vertical plate and a right vertical plate are vertically and fixedly mounted on the bottom plate. A top plate is horizontally and fixedly mounted on the left vertical plate and the right vertical plate. Supporting legs are vertically and fixedly mounted at the bottom of the screening box. A feeding pipe is mounted on the top plate and communicates with the interior of the screening box through a flexible connecting pipe. Damping springs are fixedly connected between the screening box and the left side wall of the right vertical plate. The sand screening device has the obvious advantages that the screening effect on sand is good, and the screeningspeed is high; the screening box is driven through a second connecting rod and a first connecting rod to do left-and-right reciprocating motion under the elastic acting force of the damping springs,shaking of the sand in the screening box is promoted, and the sand screening rate is increased; and through rotation of an oval cam, a first screening plate and a second screening plate are driven tovibrate up and down under the elastic action of second limiting springs, and the screening speed of the first screening plate and a second screening plate on the sand is further increased.

Description

technical field [0001] The invention relates to the technical field of construction machinery, in particular to a sand screening device for construction. Background technique [0002] Building construction refers to the production activities in the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into real objects at designated locations. It includes basic engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. The place where the construction works is called "construction site" or "construction site", also called construction site. [0003] Sand is used as a building material in the construction process, and the sand particles are of different sizes, so they need to be screened to obtain sand with different particle sizes. According to specific construction requ...

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Problems solved by technology

[0003] Sand is used as a building material in the construction process, and the sand particles are of different sizes, so they need to be screened to obtain sand with different particle sizes. According to specific construction requirements, sand that meets the requirements is used. The current sand screening device is The sifting effect of the sand is poor and the sieving speed is slow

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