What is the job of the "hydraulic pneumatic system operator of the test bed"?

(1) manufacturing process pipe fittings, and conducting air tightness and hydrostatic strength tests;

(2) Install pipelines and equipment of liquid and gas systems, and conduct rigorous inspection and debugging;

(three) the use of railway and highway tankers to transport liquid propellant;

(4) Operate the tanker console and input the liquid propellant into the container of the storage tank or test bench;

(5) Operate the crane and auxiliary equipment, and carry out the acceptance, hoisting, installation and disassembly of the rocket power plant;

(6) Prepare cleaning solution, and clean and blow dry the rocket power plant and supply system after debugging;

(7) operating a vacuum pump to replace nitrogen and hydrogen;

(8) Running the liquid-gas system and the fuel heating system, and synchronously carrying out the high-altitude flight simulation test of the ramjet;

(9) Joint inspection of the reliability of rocket power plant and liquid-gas system;

(10) Check the indicated values of switches, valves and pressure gauges to make them in debugging state;

(1 1) Operate the equipment to fill and empty the propellant in the container of the test bench;

(12) Maintenance of equipment and troubleshooting.

The following types of jobs belong to this occupation:

Test rig propellant supplier, test rig gas supply and distribution operator, test rig hoisting and cleaning operator, ramjet test rig gas path system operator, ramjet test rig fuel heating system operator, ramjet test rig oil supply system operator and propellant delivery operator.