手持式机械振动英文文献

Handheld Mechanical Vibrators: A Review of the Technology

Abstract:

Handheld mechanical vibrators are commonly used in the construction industry to compact concrete, soil, and other materials. These vibrators have evolved over time and now come in a variety of sizes and shapes. This review article provides an overview of the technology behind handheld mechanical vibrators, including the types of vibrators available, their design and construction, and their applications.

Introduction:

Handheld mechanical vibrators are portable tools that are used to vibrate and compact concrete, soil, and other materials. These tools are commonly used in the construction industry, where they help to ensure that materials are properly compacted and prepared for building. There are many different types of handheld mechanical vibrators available, each with its own unique design and construction. This review article aims to provide an overview of the technology behind handheld mechanical vibrators, including their design and construction, their applications, and their advantages and disadvantages.

Types of Handheld Mechanical Vibrators:

There are several types of handheld mechanical vibrators available, including:

1. Internal vibrators: Internal vibrators are designed to be inserted into concrete and other materials to vibrate and compact them. These vibrators can be powered by electricity or by gasoline engines.

2. External vibrators: External vibrators are designed to be placed on the surface of concrete and other materials to vibrate and compact them. These vibrators can be powered by electricity or by gasoline engines.

3. Plate vibrators: Plate vibrators are designed to be placed on the surface of soil and other materials to vibrate and compact them. These vibrators are typically powered by gasoline engines.

Design and Construction of Handheld Mechanical Vibrators:

Handheld mechanical vibrators are typically made up of several components, including an engine or motor, a shaft, and a vibrating head. The engine or motor provides the power to drive the shaft and the vibrating head. The shaft connects the engine or motor to the vibrating head, and the vibrating head is designed to vibrate and compact the material being worked on.

The vibrating head is typically made up of an eccentric weight that is mounted on a rotating shaft. As the shaft rotates, the eccentric weight causes the head to vibrate. The frequency and amplitude of the vibration can be adjusted by changing the speed of the engine or motor, or by adjusting the position of the eccentric weight on the shaft.

Applications of Handheld Mechanical Vibrators:

Handheld mechanical vibrators are commonly used in the construction industry to compact concrete, soil, and other materials. These tools are used to ensure that materials are properly compacted and prepared for building. They are also used in road construction to compact asphalt and other materials. Handheld mechanical vibrators are also used in the mining and quarrying industries to compact ore and other materials.

Advantages and Disadvantages of Handheld Mechanical Vibrators:

Handheld mechanical vibrators have several advantages over other types of vibrators. They are portable and easy to use, and they can be used in a variety of applications. They are also relatively inexpensive compared to other types of vibrators. However, handheld mechanical vibrators also have several disadvantages. They are typically less powerful than other types of vibrators, and they can be difficult to use in tight spaces.

Conclusion:

Handheld mechanical vibrators are an important tool in the construction industry. They are used to compact concrete, soil, and other materials, and they are available in a variety of sizes and shapes. This review article has provided an overview of the technology behind handheld mechanical vibrators, including their design and construction, their applications, and their advantages and disadvantages.