The belt conveyor is driven by a high torque hydraulic motor, which can be started with a load (full of slag) thus to shorten the loading time. This may avoid the disadvantages of electric drum starting that is easy to burn due to unstable working voltage (voltage lower than 380V) and load (full of slag).
ZWY-160 series large scale tire type mucking loader is suitable for operations in sites of mines, bridges and culverts, water diversion tunnels and other cross-sections of ≥3.5×3.5 meters, and can be equipped with large-scale transport vehicles, the size of which can be as large as about 4000mm long x 2200mm high. It has a high slag discharge efficiency, it is equipped with high-strength wear-resistant and flame-retardant conveyor belt with a bandwidth of 1000mm and a belt speed of up to 0.8 m/s. The efficiency is increased by about 30-50%. The large scale tire type mucking loader adopts a high low dual speed walking design, which is flexible to change the work site and easy to climb slopes, and the transition speed can reach 5.0 km/h, saving the transition time. The belt conveyor is driven by a high torque hydraulic motor, which can be started with a load (full of slag) thus to shorten the loading time. This may avoid the disadvantages of electric drum starting that is easy to burn due to unstable working voltage (voltage lower than 380V) and load (full of slag).
The hydraulic system of ZWY-160 large scale tire type mucking loader adopts JHP series high-pressure gear pump, the rated working pressure can reach 25MPa, and all the control parts adopt pilot operation, which is flexible and easy to operate, and reduces the labor intensity of the operator.
The front and rear axles of this machine are used for loaders, and these axles are all driven at the same time. The structure is compact, the driving force is strong, and it adopts dual-speed travel.
Oil cylinders for the large and small arms are selected (engineering machinery oil cylinders), and the seals are imported Parker and NOK, which have good sealing performance, long life and high reliability. The joints use wear-resistant cylinder sleeves as bearings, which have better wear resistance and long service life.
1. The conveying motor is selected from Zhenjiang Dali, with low speed and high torque.
2. The hydraulic main pipeline adopts double-layer steel wire buckle hose, with a pressure resistance of 30MPa, and all hose joints are sealed with 24° conical surface to reduce connection leakage and the oil leakage from flat O seal.
The machine is a crawler type walking with dual speed and four wheel drive, the original walking speed is a low speed of 0.95km/h, the climbing force is strong, the speed can reach 4.75km/h, the transition speed is fast, and it can be used on multiple working faces.
The hydraulic motor of the conveying system drives the torque, and the torque can reach 2700N.m for the strength of the beam of the conveying frame. After the optimization of the driven roller, all the bearings are built-in, sealed and waterproof, which prolongs the service life of the bearings.
The width of the conveyor belt is 1000mm, the capacity of conveying materials is large, and it can start with load. It avoids the drawbacks of using the electric drum to start and burn the motor with load, and increases the service life of the conveyor belt.
The operating console of the cab is equipped with the control button for start or stop of the oil pump motor, the operating joysticks for the working arm, the lower walking and lifting foot valve, and the operating and stopping valve of the hydraulic drum. The design is fully in line with ergonomics, convenient and labor-saving; the machine power can be divided into electric type and diesel electric hybrid type.
This machine can be equipped with an integrated breaking hammer, which can be used to break stones immediately when encountering large ones while removing the slag, which is convenient, fast and safe.
The hammer breaker can break stones and maintain the floor of the roadway and the bottom of the side; it can break large rocks and coal chunks after blasting, without the need for supplementary blasting.
There is no need for blasting when excavating coal roadways or semi-coal roadways with hardness of f≤3.
Special cable reels are adopted so they can realize the flexible and automatic retraction of cables when the equipment enters and exits the site, this saves manpower and material resources, improves safety, and has a high degree of automation, making the mucking loader more flexible and free to enter and exit the site.
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