Hydraulic tamping machine

Abstract

The invention relates to a hydraulic tamping machine, which comprises a clamping arm, a clamping arm supporting frame, a hydraulic source and a power device. The middle of the clamping arm is movably connected with the clamping arm supporting frame through a single-crank crankshaft; the power device is connected with the single-crank crankshaft; the bases of two synchronous cylinders are movably connected with the clamping arm supporting frame through a through pin; and the ends of piston rods of the two synchronous cylinders are movably connected with the upper part of the clamping arm. The tamping machine has a simple structure, a small size, and light weight, and higher working efficiency and is labor-saving during insertion. By taking the connecting mode as a unit mechanism, a walking hookable rail frame, a unit connecting guide frame and a lifting device are arranged in a plurality of unit mechanisms, namely a multi-arm hydraulic tamping machine can be formed, and the railway ballast below two sides of the rail can be tamped simultaneously.

Description

technical field [0001] The invention relates to a hydraulic tamping machine, which is used for the ballast tamping operation of railway trunk lines and turnout maintenance operations. Background technique [0002] Ballast tamping is very important and a heavy workload in the current railway maintenance work in our country. Most of the daily tamping operations use hydraulic tamping machines and single-head internal combustion tamping machines (commonly known as tamping picks). The tamping pick is a vibration force generated by the high-speed rotation of the eccentric iron, and then pushes stones under the sleeper in an oblique direction by manpower. The labor intensity is high, the efficiency is low, and the machine parts are easily damaged. In addition, there is a multi-head flexible shaft tamping machine. The principle is the same as that of the tamping pick, except that a high-power internal combustion engine drives multiple transmission flexible shafts to drive multiple ...

AI Technical Summary

Problems solved by technology

The tamping pick is a vibration force generated by the high-speed rotation of the eccentric iron, and then pushes stones under the sleeper in an oblique direction by manpower, which is labor-intensive, low in efficiency, and the machine parts are easily damaged.

In addition, there is a multi-head flexible shaft tamping machine. The principle is the same as that of the tamping pick, except that a high-power internal combustion engine drives multiple transmission flexible shafts to drive multiple tamping picks. Due to its large size, it must be implemented when working on the line line blockade

There is also a hydraulic tamping machine (with four clamping arms, commonly known as one operating four), which drives the frame and clamping arms to vibrate by the high-speed rotation of the large eccentric iron; in addition, there is a hydraulic system to clamp and lift the clamping arms. Action, this model is large in size and heavy in weight, the line must be blocked when it is on-line, and it is easy to overturn due to the high center of gravity

Especially after the railway speed is greatly increased, the train running interval is shortened (the shortest is five minutes), and the tamping machinery with large volume and heavy weight, which is inconvenient to get on and off the line, cannot be engaged in daily maintenance operations; line blockade must be implemented when going online, which affects railway operation play

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