The composition consists of hydraulic pump couplings, hydraulic tank and oil filters of three parts. Couplings: hydraulic pump drive shaft can bear radial and axial forces, and therefore does not allow direct installation of pulleys, gears, sprockets at the end of the shaft, usually the drive shaft and the pump drive shaft coupling connection. As a result of manufacturing reasons, pump and coupling coaxial exceeded, assembly time and there is a deviation, the pump speed is increased with the increased centrifugal force coupling deformation, deformation big centrifugal force increased. Resulting in a vicious cycle, and the results generated noise and vibration, thus affecting the life of the pump. In addition, such as loose coupling stud fastening is not timely, not timely replacement of worn rubber rings and other factors. Hydraulic Tank: The main role of the hydraulic oil tank in the hydraulic system for the oil, cooling, separation of oil contained in the air and eliminate bubbles. We must first consider the choice of fuel tank capacity, general mobile device to take two to three times the maximum pump flow rate, fixed equipment to take 3 to 4 times; Second, consider the oil tank, when the systems are all hydraulic oil tank shall not extend low in minimum oil level, when the cylinder is retracted after the oil shall not exceed the maximum oil level; final consideration tank structure, partitions inside the tank and tradition can not play the role of precipitation dirt, install a vertical bulkhead along the longitudinal axis of the tank. Leave gaps between the end plate and the separator tank end communicates with the space on both sides of the separator, the hydraulic pump disposed at one end of the oil inlet and outlet sides of the separator is not communicating, so that the distance between the return oil into the oil and maintain the farthest hydraulic motor (import), hydraulic tank more than some cooling effect. Filter: Effect of particle size generally less pollutants 10μm less obvious maintenance of the pump of the hydraulic motor (import) phone, but greater than 10μm, the service life of the pump there is a significant effect especially at 40μm or more. Solid particle contamination of hydraulic oil pump is relatively easy to make the surface of the moving parts wear and tear, for which you need to install filters to reduce the degree of contamination of the oil. Filter precision: axial piston pump 10 ~ 15μm service hydraulic motor (import), vane pump for 25μm, gear pumps for 40μm. Contamination wear of the pump can be controlled within the allowable range. . Hypocycloidal hydraulic motor can edit the ring fixed to the case together, into the oil from the oil port push the rotor revolves around a central point. This slow rotation of the rotor shaft drives the output spline become cycloid hydraulic motor. After this initial orbital motors come, after decades of evolution, another notion of motor also begins to form. This motor is installed in the built-in ring gear rollers. Motor having a roller can provide a high starting and running torque, roller reducing friction, thereby improving efficiency, even at low rotational speed of the output shaft also can produce stable output. By changing the direction of the input and output flow rapidly reversing the motor, and the like to generate a torque value in both directions. Each series has a variety of motor displacement of selected candidates to meet a variety of speed and torque requirements. Sales of hydraulic motor (import), hydraulic motors, hydraulic pressure from Jinan Jing Jing Chong Chong Hydraulic Machinery Limited. Jinan Jing Chong Hydraulic Machinery Co., Ltd. (www.jnjcyy.com) (www.jnjcyy.com) strong, credible, in Jinan, Shandong mining machinery industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement to create innovative ideas will lead crystal hydraulic and you hand into the brilliant, for a better future!