Steel rail drilling machine based on railway engineering

Abstract

The invention discloses a steel rail drilling machine based on railway engineering. The steel rail drilling machine effectively solves the problems that the existing steel rail drilling machine can only perform one-way feeding and is poor in adaptability during drilling, and controls the feeding amount and the retracting amount of a drill bit during drilling through meshing transmission among a sector gear, a gear and an arc-shaped gear ring. The feeding action of a drilling machine integrates the advantages of manual drilling and mechanical drilling, uniform drilling during drilling is guaranteed, drilling blockage caused by cutting is avoided, abrasion of a drill bit is reduced to the maximum extent, the service life of the drill bit is prolonged, the positioning process and the drilling process of the device are both automatically carried out, and operation is easy and convenient.

Description

technical field [0001] The invention relates to the technical field of railway engineering, in particular to a rail drilling machine based on railway engineering. Background technique [0002] Rail drilling machine refers to a type of drilling machine for on-site drilling of rails. It is one of the small machines commonly used in railway emergency maintenance operations. During the drilling process of rails, the drill bit must be pushed out frequently to eliminate cutting and cooling. To prevent cutting blockage or overheating of the drill bit or even breakage, and to make the drill bit evenly drilled, the existing rail drilling machine has two methods of manual drilling and mechanical drilling to control the feed drilling of the drilling machine. Move the joystick / hand handle, through the transmission system of worm gear, rack and pinion, drive the drill bit to feed or retract, and complete the rail drilling operation. Drilling in this way can ensure real-time feed and retr...

AI Technical Summary

Problems solved by technology

[0002] Rail drilling machine refers to a type of drilling machine for on-site drilling of rails. It is one of the small machines commonly used in railway emergency maintenance operations. During the drilling process of rails, the drill bit must be pushed out frequently to eliminate cutting and cooling. To prevent cutting blockage or overheating of the drill bit or even breakage, and to make the drill bit evenly drilled, the existing rail drilling machine has two methods of manual drilling and mechanical drilling to control the feed drilling of the drilling machine. Move the joystick / hand handle, through the transmission system of worm gear, rack and pinion, drive the drill bit to feed or retract, and complete the rail drilling operation. Drilling in this way can ensure real-time feed and retract. The situation of cutting blockage is avoided, but workers often cannot maintain uniform force on the joystick / hand handle, and thus cannot ensure the uniform drilling of the drill bit. When the force is too large, the drilling amount will increase, wear or even damage the drill bit. If it is too small, the drilling rate will be reduced, the working time will be prolonged, and the workload of the workers will be increased. Manual feeding for a long time will also make the workers feel tired. At the same time, manual drilling generally requires two people to work together, that is, one person controls the drilling machine. Feed rate, another person cooperates with water supply cooling, which increases the labor cost; the existing mechanical drilling device generally uses rack and pinion drive / screw drive to drive the drill to feed the hole, but these two feed methods are controlled The drill bit feeds in the same direction for a long time, that is, the whole drilling process is only the feeding process. Although the mechanical drilling ensures the uniform drilling of the drill bit, the tool cannot be retracted during the drilling process, which can easily cause wear and breakage of the drill bit. , which greatly reduces the service life of the drill bit

[0003] Drilling should be slow at the beginning of drilling to prevent the drill bit from cracking, and when the hole is about to be drilled through, the amount of feed should also be reduced to avoid the vibration of the drill bit at the moment of drilling through, which will cause the phenomenon of "biting the knife" and make the exit irregular. , increase the workload of repairing holes, mechanical drilling cannot meet the above requirements, and manual drilling is time-consuming and laborious

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