After daily maintenance of mining and tunnel loaders, start-up difficulties appear after they are turned on and off. After a thorough inspection, it was found that there was residual air in the pipeline. As a result, the fuel pump, the oil return back pressure valve next to the electric control box, the fuel injector, etc. were disassembled and inspected, and the results were all correct. Finally, I checked the oil supply system and found that there was a residual empty in the system. A wheel loader was only turned on for 7 hours after daily maintenance, and it was difficult to start after it was shut down. After a thorough inspection, it was found that there was residual air in the pipeline. Therefore, the oil pump, the oil return back pressure valve next to the ecm electric control box, the fuel injector, etc. were disassembled and inspected, and the results were all correct. Finally, check the fuel supply system.
Tunnel forklift slag removal skills: Put the shovel flat and push forward, look at the shovel part, if you look at the shovel, lift the shovel slightly, look at it, then put the shovel flat again, use a big shovel. The force of the arm will prop up the front wheel to level the four wheels and land on the ground. The front wheel must not be idling and must eat the load. The shovel mouth should be pierced properly. , Face the pile, hold the throttle, and when you feel the car is under heavy load, you should slowly add some fuel, lift the arm and retract the bucket, and repeat it several times. It is very important to raise the boom at the beginning, the throttle is stable, and increase it bit by bit according to the load. It should be increased to the end when the material is full. This can be judged by the sound of the engine. If the end of the bucket has not been eaten Full, you can lift the boom properly, I never need to brake when shoveling materials!
In 2019, the development of tunnel engineering projects will be further expanded. The requirements for engineering forklifts are more stringent. They require small body, sufficient power, heavy shovel weight, and overcome the harsh terrain of the road. A forklift used in tunnel construction.
1. The tunnel loader mining small forklift adopts a hydraulic integral torque converter, which has high reliability and convenient maintenance; it is easy to operate, fast and flexible, and has fatigue strength.Low, high operating efficiency, can make full use of the power of the engine, increase the torque, the whole machine has a large traction; compact structure, transmission efficiencyHigh, large torque reserve, reliable performance, fast speed and long service life.
2. The exhaust gas discharged from the engine is filtered through two stages to ensure the health problems of workers in the poorly ventilated space.
3. Mining excavator loaders are mainly used for phosphate mines, iron ore, copper mines, gold mines, silver mines, lead-zinc mines, coal mine lanes for tunnel mining operations with narrow spacesThe collection and transportation of gravel and soil materials for various mines, hydropower and tunnel projects such as roads and other mines, construction and loading.It is joined by a manipulator and a conveyor, slagging andThe conveying and loading functions are combined into one, and the production device adopts an electric full hydraulic control system, which has the characteristics of safety and environmental protection, low energy consumption, and high efficiency.It is an indispensable advanced mining equipment for mining enterprises and a substitute for labor and other machinery.
4. Tunnel 928 loader. This type of mining loader is electronic ignition, which makes it easier for the driver to operate. The wheel bridge can be equipped with snow chains and lengthened tires.
The service life of the car is increased, and the service life of the car is increased.
The tunnel loader adopts a reinforced front and rear frame, and has passed 200,000 fatigue strengthening tests. It has strong bearing capacity, reasonable load distribution and good stability.
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