Carrier rocket guide pipe inner wall scratch detecting and polishing device and method

Abstract

The invention provides a carrier rocket guide pipe inner wall scratch detecting and grinding device and method. The carrier rocket guide pipe inner wall scratch detecting and grinding device comprisesa grinding wheel, an endoscope probe, a planet wheel, a driving motor and a universal joint, wherein the grinding wheel is connected with the planet wheel through a connecting column; the endoscope probe is arranged on the connecting column; the planet wheel is connected with the driving motor; the driving motor is connected with the universal joint; and the universal joint is connected with a main pipe to realize movement turning at a pipe elbow. A grinding device and a detection device are integrated into an internal structure, a grinding head and endoscope detection are combined into a whole, linkage work is achieved, detection and grinding of a pipeline product with a bent pipe in a carrier rocket pressurization conveying system can be achieved, scrapping of the whole pipe caused by scratches generated in the machining process of the interior of the pipe and redundant objects is avoided, the machining cost of guide pipe parts is saved, and the material utilization rate is increased.

Description

technical field [0001] The invention relates to a device and a process in the technical field of sheet metal forming, in particular to a device and method for detecting and grinding scratches on the inner wall of a flexible conduit. Background technique [0002] The pressurized conveying system of the launch vehicle is an important part of the rocket propulsion system. The task of the pressurized delivery system is to deliver liquid propellant to the engine pump or combustion chamber according to the pressure and flow required by the engine, so as to meet the net positive suction head of the pump or the pressure requirement before the nozzle of the combustion chamber, and ensure the normal operation of the rocket power plant system . At the same time, maintain the pressure required by the structure of the tank to ensure that the rocket body has sufficient strength and rigidity. Therefore, whether the pressurized delivery system can work normally is directly related to the ...

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Problems solved by technology

[0004] The disadvantages are: 1) the grinding stroke is limited, only the mouth and the middle of the catheter can be polished, and it is difficult to penetrate the defects inside the long straight catheter; 2) the grinding area is limited, and the existing grinding tools can only be used on the straight arm of the catheter It is difficult to grind the elbow part; 3) manual grinding can only be performed in sections within a certain pipe diameter, and the grinding efficiency is low, the precision is poor, and it is easy to cause damage to the inner cavity of the catheter

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