Safety performance testing of Isuzu fire pump trucks is an important part of ensuring their reliability and safety in fire and rescue missions. CEEC engineer hopes to verify the performance of fire trucks under various extreme conditions through testing, so as to ensure that they can perform at their best in emergency situations. By conducting safety performance testing of Isuzu fire rescue trucks, the reliability and safety of fire trucks can be improved, and better equipment and protection can be provided for firefighters in various countries to protect personal life and property safety.
CEEC Factory classifies fire truck tests into 5 categories. Let's take a look at them today:
1. Reliability driving test:
During the 5000 km reliability driving test, the Isuzu fire rescue truck should be fully loaded and driven on uneven roads and mountain roads. The average driving speed on highways should not be less than 80 km/h, the average driving speed on paved roads should not be less than 50 km/h, the average driving speed on uneven roads should not be less than 30 km/h, and the average driving speed on mountain roads should not be less than 20 km/h, to ensure that emergency rescue operations can be performed within the corresponding time content. Various road surfaces should have no less than 20% of the mileage of such road surfaces for night driving tests, and the warning lights and strobe lights should be turned on during the driving test.
The reliability driving test mileage does not include the running-in mileage and the mileage of other tests. If there are situations that endanger safety, affect the main performance, or there are failures that cannot be repaired at the test site, or fire fighting facilities fail frequently (more than 2 failures per 1000 km), the test will be terminated, and CEEC engineers will find out the cause of the failure and correct it before retesting. The reliability driving test should record the test mileage of each road surface, the test time during the day and night for each road surface, and the fault conditions and troubleshooting methods during the test.
2. Power performance:
The power performance test is conducted through the maximum speed of the Isuzu fire fighting truck and the acceleration time from 0 km/h to 60 km/h. The test road, weather conditions and test fire truck preparation meet the requirements of CEEC Factory. During the test, the Isuzu fire truck will be fully loaded and the fuel tank will be filled with fuel. Except for the driver and the tester, other passengers should be loaded with weights at 75 kg/person. The maximum speed test engineer will use an accurate speed meter. Before the test, the tire pressure, braking system and steering system of the Isuzu fire truck will be checked to see if they are normal. During the test, the windows are closed, and the warning lights and sirens are turned on. The maximum speed will be maintained for 5 seconds, and the forward and reverse tests will be performed once each. The average of the forward and reverse tests will be taken as the maximum speed. During this period, the Isuzu fire water truck starting and shifting acceleration time shall not exceed 5 seconds.
3. Safety protection performance test:
Firstly, CEEC engineers will visually check whether there are sharp protrusions and sharp edges on the outer surface of the Isuzu fire pump truck. Secondly, check whether there are objects and heat sources around the Isuzu fire-fighting device operation area that may cause harm to the operator, whether protective devices are installed on hot surfaces exceeding 60 ℃ and high-speed rotating objects, and whether hose interfaces larger than 65 mm and pipelines with pressures greater than 1.8 MPa are away from operators or protective measures are taken. Finally, the production qualifications of the pressure vessel are checked. The installation of the pressure vessel in contact with hard objects should be lined with soft, corrosion-resistant and shock-absorbing linings.
4. Rainproof sealing test:
CEEC Factory conducted the test by simulating artificial rainfall. The width of the rain rack was 3 m and the length should be greater than the length of the fire truck to be tested. Water supply pipes were installed on both sides. Rainwater sprinklers were installed on the water supply pipes at a spacing of 250 mm. The upper water supply pipe can move up and down, and the sprinkler is facing the fire truck at a 45° direction. The lower water supply pipe is fixed, and rainwater sprinklers facing the Isuzu fire truck are installed on both sides at a spacing of 250 mm. During the test, the Isuzu fire fighting truck was driven into the rain rack, and the upper water supply pipe was adjusted so that the rainwater sprinkler was 300 mm above the two sides of the fire truck. The fire truck doors, windows and equipment box doors were closed, the engine was started and kept idling, and the water supply pump was turned on to supply water to the rainproof sealing rack at a rainfall intensity of 0.12 mm/s. At the same time, the wipers, warning lights and strobe lights were turned on. The test time was 15 min. After stopping the water spraying, the fire truck doors, windows and equipment box doors were opened to check for leaks.
5. Low temperature use test:
If the operating temperature of the Isuzu fire pump truck marked on the truck product nameplate is -10℃ or below, visually check whether the fire truck's fire pumps and exposed valves and other water-passing parts are equipped with insulation or heating devices. Place the Isuzu fire water truck at -10℃ or lower temperature for 1 hour without residual water in the pipeline, start the insulation or heating device, check whether the fire monitor and each water outlet are working properly, and visually check the start position of these insulation or heating devices.