Pneumatic horizontal brake cylinder, pneumatic block beam cylinder, pneumatic turnout cylinder, wuli Dongda

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Cylinders, pneumatic stopper cylinders, pneumatic horizontal brake cylinders, pneumatic block beam cylinders, pneumatic turnout cylinder damper cylinders
Cylinder product overview
Guide the piston to perform linear reciprocating motion in the cylinder Cylindrical metal parts. The working medium converts thermal energy into mechanical energy through expansion in the engine cylinder; the gas is compressed by the piston in the compressor cylinder to increase the pressure.
Composition of the cylinder
) Cylinder barrel
The inner diameter of the cylinder barrel represents the output force of the cylinder. The piston must reciprocate smoothly in the cylinder. The surface roughness of the inner surface of the cylinder should reach R.&;.
. The cylinder piston uses a combined sealing ring to achieve two-way sealing. The piston and piston rod are connected by riveting without nuts.
) Cylinder end cover
The end cover is provided with intake and exhaust ports, and some also have a buffer mechanism inside the end cover. The rod side end cover is equipped with a sealing ring and a dust ring to prevent air leakage from the piston rod and external dust from mixing into the cylinder. There is a guide sleeve on the rod side end cover to improve the guiding accuracy of the cylinder. It can withstand a small amount of lateral load on the piston rod, reduce the amount of downward bending of the piston rod when it extends, and extend the service life of the cylinder. Guide sleeves are usually made of sintered oil-containing alloy, forward-inclined copper castings. In the past, malleable cast iron was commonly used for end caps. In order to reduce weight and prevent rust, aluminum alloy die-casting micro cylinders were often used, and brass materials were used.
) Cylinder Piston
The piston is a pressure-bearing part in the cylinder. In order to prevent the left and right chambers of the piston from passing air to each other, a piston sealing ring is provided. The wear-resistant ring on the piston can improve the guidance of the cylinder, reduce the wear of the piston seal ring, and reduce friction resistance. The wear-resistant ring length uses materials such as polyurethane, polytetrafluoroethylene, cloth-filled synthetic resin, etc. The width of the piston is determined by the size of the sealing ring and the necessary length of the sliding section. Sliding parts that are too short can easily cause early wear and jamming. The piston is usually made of aluminum alloy and cast iron. The piston of the small cylinder is made of brass.
) Cylinder piston rod
The piston rod is the most important force-bearing part in the cylinder. Usually high carbon steel is used, with hard chromium plating on the surface, or stainless steel is used to prevent corrosion and improve the wear resistance of the sealing ring.
) Cylinder sealing ring
The seal of the rotating or reciprocating part is called a dynamic seal, and the seal of the stationary part is called a static seal.
The main methods of connecting the cylinder barrel and the end cover are as follows:
Integral type, riveted type, threaded connection type, flange type, and tie rod type.
) When the cylinder is working, it relies on the oil mist in the compressed air to lubricate the piston. There are also a small number of lubrication-free cylinders
Cylinder specifications
Pneumatic brake cylinder: &;*
Pneumatic brake cylinder: &;*
Pneumatic brake beam cylinder: &;* & ;*
Pneumatic switch cylinder:&;*
Actual picture of the cylinder
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Company Introduction
A subsidiary company of Shandong Dongda Group Shandong Kuangan Mechanical and Electrical Co., Ltd., Jining Dongda Mechanical and Electrical Co., Ltd., Jining Dongda Electrical Co., Ltd.
The company is located in Jining City, Shandong Province, the hometown of Confucius and Mencius. It is surrounded by the San Kong Holy Land, Mount Tai, Weishan Lake, Shuibo Liangshan and other scenic spots. It is adjacent to the Beijing-Shanghai Railway to the east and the Beijing-Hangzhou Canal to the west and Ridong Expressway to the north. Convenient and accessible in all directions. The company has a registered capital of 10,000 yuan and an area of square meters with total assets of more than 100 million yuan. The company has strong technical force and currently has many employees, many of whom are professional and technical personnel. The main production equipment and testing and testing instruments are more than one set, and it has formed a comprehensive capacity of annual production and sales of mining products exceeding 100 million yuan.
The company always adheres to the guiding ideology of the State Coal Mine Safety Supervision Bureau on coal mine safety and takes coal mine safety as its own responsibility to create safety products and eliminate hidden dangers in coal mine safety. We always insist on taking science and technology as the primary productive force, taking quality as the basis of life, and insisting on relying on the power of science and technology to continue to develop and grow. The company relies on the strength and advantages of scientific research institutes such as the 716th Research Institute of China Shipbuilding Industry Corporation, China University of Mining and Technology, Nanjing Design Institute, Jinan Design Institute, Shandong University of Science and Technology, Beijing Coal School and other scientific research institutes to strive for a high starting point, high quality, and high-tech content. Focus on the development, production, sales and after-sales service of mechanical and electrical products that are safe, energy-saving, efficient and environmentally friendly for coal mines.