Ds-yj passive hydraulic belt deviation adjustment (centering) device After many years of development, belt conveyor has been widely used in electric power, metallurgy, coal, chemical industry, mining, port and other industries, and has become an industry that countries strive to develop first. Due to the influence of factors such as weak installation foundation, poor operation, load change, blanking impact and so on, the belt deviation is caused. At present, the anti deviation device of domestic belt conveyor is mainly mechanical fixed deviation adjuster, followed by hydraulic deviation adjusting device and electromagnetic deceleration deviation adjusting device. Due to different hydraulic transmission principles and transmission structures, four forms of hydraulic belt centering devices have been derived. The technical R & D Department of our company analyzes and studies belt centering devices of various structural forms and belt conveyors of different working conditions, and develops hydraulic centering devices with stable performance, stable action and obvious deviation adjustment effect. The product uses belt kinetic energy without other power sources to automatically prevent and deal with belt deviation and make the belt run within the set range. The ds-yj passive hydraulic belt deviation adjusting device designed and manufactured by our company is different from other hydraulic deviation adjusting devices as follows: 1. The principle of hydraulic transmission is simple; 2. It has the function of processing and locking; 3. The hydraulic system enhances the functions of cleaning and self-priming of oil pump; 4. The installation, overhaul and maintenance are convenient, and one person can operate. 1, Characteristics of ds-yj passive hydraulic belt deviation adjusting device 1. Ds-yj passive hydraulic belt deviation adjusting device has the functions of automatic detection of belt deviation and immediate adjustment, so that the belt always runs within the set range. 2. Ds-yj passive hydraulic belt deviation adjusting device does not need power supply, has simple structure, reliable performance and convenient installation and maintenance. 3. Ds-yj passive hydraulic belt deviation adjusting device controls the deviation adjusting idler group and has locking function. 4. Ds-yj passive hydraulic belt deviation adjusting device will not wear the belt when detecting and adjusting the belt. 5. Ds-yj passive hydraulic belt deviation adjusting device is suitable for any harsh environment and is not afraid of water and dust. 6. It is recommended to install two groups of long belts within 20 meters, and the installation interval above 20 meters is 10 ~ 20m / group. 2, Advantages of ds-yj passive hydraulic belt deviation adjuster compared with mechanical deviation adjuster 1. Ds-yj passive hydraulic belt deviation adjusting device when the belt deviates, the contact between the inspection area pulley and the belt is floating friction (the contact friction is adjustable), and there is no wear on the belt edge. The contact between the gear wheel and the belt in the inspection area of the mechanical deviation adjuster is forced friction (the contact friction is infinite), which is very easy to wear the edge of the belt. 2. Ds-yj passive hydraulic belt deviation adjusting device is fully hydraulically controlled, not affected by bad environmental conditions, with flexible action and accurate positioning, while the mechanical deviation adjuster is the opposite. 3, Working principle of ds-yj passive hydraulic belt deviation adjusting device The hydraulic belt centering device is composed of inspection drive wheel, oil pump, oil cylinder, oil tank valve group assembly, oil pipe assembly, fixed angle steel, etc. When the belt deviates (left or right), the edge source of the belt contacts with the detection drive wheel, the detection drive wheel rotates and drives the oil pump to output pressure oil. The pressure oil enters the oil tank valve group through the oil pipe, the hydraulic slide valve of the oil tank valve group acts to reverse, and the reversed pressure oil flows to the oil cylinder through the oil pipe, and the oil cylinder acts to drive the centering idler to rotate. Make the linear movement direction of the idler form an included angle with the belt movement direction, generate friction to drive the belt, and make the belt always lock in the set range. So as to avoid belt deviation, blanking, shutdown and tearing, so as to protect the normal operation of the belt conveyor. 4, Instructions for selection of ds-yj passive hydraulic belt deviation adjusting device 1. The Demander shall provide the model of belt conveyor and the diameter of grooved idler (89 / 108 / 133 / 159) to determine the type selection. At the same time, there are matching self-aligning idler on site. 2. There are two main series of hydraulic belt centering devices (1) Type I series, applicable to TD75 belt conveyor (2) Type II series, suitable for DT type II belt conveyor In addition to the above two series, the company sends technicians to carry out surveying, mapping, design and manufacturing according to the needs of the site. 3. Ds-yj passive hydraulic belt deviation adjusting device is divided into upper belt deviation adjusting device and lower belt deviation adjusting device according to the upper and lower layers of belt of belt conveyor. 4. As the belt conveyor has one-way transportation and two-way transportation (reversible belt), it is divided into two varieties: one-way belt deviation adjusting device and two-way belt deviation adjusting device.
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