Sand and stone crushing equipment for building engineering

Abstract

The invention relates to the field of building construction, and particularly discloses sand and stone crushing equipment for building engineering. The equipment comprises a crushing shell, a collection box, a feed hopper, a first motor and a second motor. A primary crushing net of a spherical structure is fixed on the middle part in the crushing shell; a primary grinding disc matched with the primary crushing net in parallel is fixed at the lower end of a rotating shaft, and the primary grinding disc is also of a spherical structure; the center of a grinding fixed seat is provided with a grinding cavity of a circular truncated cone structure, and a grinding roller of a circular truncated cone structure is coaxially arranged in the grinding fixed seat; and the bottom of the grinding rolleris fixedly connected to an output shaft of the second motor, the second motor is fixedly installed on a motor bracket, and a lifting mechanism is fixedly installed on the lower side of the motor bracket. The height of the grinding roller is changed through the arranged lifting mechanism, so that the distance between the grinding roller and the grinding cavity is adjusted, the particle size of crushed sand and stone is changed, adjustment is convenient and rapid, and the application range is wide.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a sandstone crushing equipment for construction engineering. Background technique [0002] Construction engineering refers to the engineering entity formed through the construction of various housing buildings and their ancillary facilities and the installation activities of supporting lines, pipelines and equipment. Among them, "housing construction" refers to projects that have roofs, beams, walls, foundations, and can form internal spaces to meet people's needs for production, living, learning, and public activities. [0003] Sand and gravel refers to a loose mixture of sand grains and gravel. The structure of different sandstones is quite different, some particles are uniform in thickness, and some are of different sizes; Sand and gravel are loose materials, but their particles are generally hard and chemically stable in the surface environment. For sandstone, its weat...

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Problems solved by technology

[0004] During the construction of construction projects, it is necessary to continue to crush the sand and gravel to make it finer, which meets the requirements of construction; however, the existing crushing equipment cannot adjust the particle size during grinding and crushing. When sand and gravel with different particle sizes need to be used, the equipment needs to be replaced. , it is very inconvenient to use; in addition, the existing crushing equipment is equipped with two-stage crushing, and the primary crushing effect is poor, which is not conducive to subsequent crushing.

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