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Performance analysis and evaluation a) The crank reversing mechanism is stable and reliable in commutation.
b) The diameter of the sky wheel and the angle of the swing determine its stroke, making it easy to achieve long strokes.
c) The connecting rod balance cylinder eliminates the influence of crank and connecting rod machining and installation errors on the operation of the mechanism. Therefore, the structure of the whole machine is simple, the operation is shock-free, and the work is stable and reliable.
d) Using the principle of balance balance to adjust the quality of the balance box, the balance of the system can reach 98 or above, and the heavy load requirement can be realized. Compared with the beam pumping unit, the whole machine is light in weight, low in manufacturing cost and energy-saving.
e) In the planetary mechanism, the fixed gear can be reused twice, and the planetary gear can be reused three times, so the service life is long and the maintenance is convenient.
The energy-saving percentage planetary gear increaser pumping unit is more efficient than the beam pumping unit. The conclusion is that the planetary gear-increasing-type skywheel pumping unit has the advantages of simple structure, stable operation, energy saving and consumption, and has good development. prospect.
China's shipbuilding industry is accelerating the development of China's demand for ships, and there are many types of demand, especially for ocean-going oil tankers, offshore oil and gas exploration vessels, etc., and the scale of ships is increasing, the demand for high technology It is also very urgent.
The shipbuilding industry is the most dynamic industry in China, and it is also an industry with great development prospects. At present, China has entered the ranks of the world's important shipbuilding countries, and the annual shipbuilding capacity has exceeded 800@104t. China's powerful shipbuilding bases and enterprises still need to strengthen their alliances, adopt flexible shipping strategies, further enhance shipbuilding capabilities, and increase ship repairing business.
Strong and strong joint development to market Dagang Zhongcheng Company and Lanshi Group are both strong domestic manufacturers, adopting strong cooperation methods, so that the pumping unit can design and manufacture more than 30 varieties, with API certification of American Petroleum Institute. The product design capability is obviously enhanced, and the international market sales network is provided, which makes the cooperation advantage more obvious. It can improve the market strength and popularity, and has the ability to export 107 sets of equipment, so that the products can smoothly enter the North American international market.
Research on new type oil tanker