metro nut and bolt is a tool used for trimming and adjusting railway tracks, its main role is to maintain the horizontal and vertical degree of the track, and improve the stability and safety of the railway line. There are many types of metro nut and bolt, and different metro nut and bolt are suitable for different needs and situations.

First, according to the type of pressure of the metro nut and bolt, it can be divided into mechanical metro nut and bolt and hydraulic track maintenance machines.

The mechanical metro nut and bolt is a tool that trims and adjusts the track by mechanical force. Its main manual metro nut and bolt and hydraulic metro nut and bolt two. Manual metro nut and bolt apply manual force to trim the track and are suitable for simple track trimming work. The hydraulic metro nut and bolt use the high pressure generated by the hydraulic system to trim the track. The hydraulic metro nut and bolt has the characteristics of stable pressure and high working efficiency, which is suitable for a large range and high intensity track trimming work.

Hydraulic track maintenance machine is a tool for track trimming and adjustment by hydraulic system. There are mainly two kinds of high pressure grouting track repair machine and earth press. High pressure grouting track repair machine is used to repair track by high pressure grouting technology, which is suitable for sinking and uneven track. The compactor improves the robustness and stability of the track by compacting the soil, which is suitable for cases where the track foundation is not strong.

Secondly, according to the way the metro nut and bolt move, it can be divided into manual metro nut and bolt and electric metro nut and bolt.

The manual metro nut and bolt is a rail pressing tool that requires manual operation. There are two main types of metro nut and bolt, which are manually propelled and handheld metro nut and bolt. Man-propelled metro nut and bolt require human propulsion to move and operate, and are suitable for small, light finishing jobs. The hand-held metro nut and bolt is a small, hand-held rail pressing tool suitable for finishing small tracks.

The electric metro nut and bolt is a rail pressing tool that uses electric motor power. There are mainly two types of small electric metro nut and bolt and large electric metro nut and bolt. The small electric metro nut and bolt are suitable for small range, light finishing work, with easy to carry, easy to operate and so on. The large electric metro nut and bolt are suitable for large-scale, high-intensity finishing work, which has the characteristics of expanding the working range and improving the working efficiency.

According to the object of use of metro nut and bolt, it can be divided into two types: turnout metro nut and bolt and sleeper metro nut and bolt.

Switch metro nut and bolt is a rail pressing tool specially designed for the maintenance and adjustment of railway switches. It mainly has two kinds of manual switch metro nut and bolt and hydraulic switch metro nut and bolt. Manual switch metro nut and bolt use manual force to trim the switch, suitable for simple switch trimming work. The hydraulic switch metro nut and bolt use the high pressure generated by the hydraulic system to trim the switch, which has the characteristics of stable pressure and simple operation.

Sleeper metro nut and bolt is a rail pressing tool specially designed for the repair and adjustment of sleeper. Its main manual sleeper metro nut and bolt and hydraulic sleeper metro nut and bolt two kinds. Manual sleeper metro nut and bolt trim the sleeper by applying manual force, suitable for simple sleeper trimming work. Hydraulic sleeper metro nut and bolt use the high pressure generated by the hydraulic system to trim the sleeper, which has the characteristics of stable pressure and high working efficiency.

In general, which metro nut and bolt is right for your needs depends on the specific finishing job and conditions. If it is a small range, light finishing work, manual metro nut and bolt and small electric metro nut and bolt will be more suitable; For large-scale, high-intensity finishing work, hydraulic metro nut and bolt and large electric metro nut and bolt are more suitable. At the same time, according to the specific dressing object, the switch metro nut and bolt and the sleeper metro nut and bolt are also different. Therefore, when choosing metro nut and bolt, it is necessary to consider the work scope, work intensity, work mode and other factors, and choose the appropriate metro nut and bolt to meet your needs.

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