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Two-prop top coal caving support
Cylinders for energy mining equipment mainly include single telescopic props, double telescopic props and various jacks in coal mine hydraulic supports.
Key words:
Hydraulic Jack
Powered roof support cylinder
Longwall mining cylinder
Wantong hydraulic
Coal mining machinery cylinder
Classification:
Energy mining equipment hydraulic cylinder
Front beam jack
Function
Specifications
Single telescopic prop cylinder
Function
Specifications
Plate jack
Function
Specifications
Push jack
Function
Specifications
Product Features
• Complete equipment, perfect technology, can process 63-630 all cylinder diameter products, with heat treatment, electroplating, automatic painting line and other special processes, with full process processing capacity;
• Strict selection of purchase channels, selection of Shanghai Baosteel, Daye Iron and Steel and other domestic high-quality steel plant high-strength materials, the development of reasonable heat treatment, welding process to ensure that the cylinder under high pressure, heavy load has a very high compressive performance;
• Seal selection of Taibao, Youtaike, Weiwan, Hallite and other well-known brands at home and abroad, the use of imported high-quality polyurethane materials;
• It has a variety of perfect surface treatment processes, including milky white chromium+hard chromium, tin bronze+hard chromium, laser cladding stainless steel and inner hole melting copper to meet different needs of customers. The surface hardness of electroplating chromium is ≥ 800HV, the neutral salt spray test is ≥ 720 hours, the surface hardness of laser cladding is HRC50-56, and the neutral salt spray test is ≥ 3000 hours;
• Joint pressure weld all adopt robot welding, weld beautiful, reliable, greatly reducing the risk of weld leakage;
• Customized design can be carried out according to the working pressure, size specifications and installation methods required by customers.
• Service commitment: 24-hour service hotline, 72-hour service in place
• 20 years of market validation, service China, world-renowned
Coal mining machinery cylinders play a vital and complex role in the coal mining industry. These cylinders are mechanical devices that are integral to the proper functioning of various coal - mining machines.
Cylinders in coal mining machinery are typically hydraulic or pneumatic in nature. Hydraulic cylinders are more commonly used due to their ability to generate high forces with relatively compact sizes. They are based on the principle of Pascal's law, which states that pressure applied to a fluid in a closed container is transmitted equally in all directions. In coal mining, this property is harnessed to provide the necessary power for different operations.
One of the main functions of coal mining machinery cylinders is to drive the movement of cutting tools. For example, in a longwall mining shearer, hydraulic cylinders are used to move the cutting drums up and down. The cutting drums are responsible for removing coal from the face of the seam. The cylinders must be able to exert precise and powerful forces to ensure efficient and accurate cutting. They need to be durable enough to withstand the harsh conditions of the coal mine, including high levels of dust, moisture, and vibration.
Another important application is in the support systems. In underground coal mines, roof support is crucial for the safety of miners. Hydraulic cylinders are used in powered roof supports. These supports are adjusted using the cylinders to maintain proper contact with the roof and walls of the mine. The ability of the cylinders to provide consistent and reliable force is essential in preventing roof collapses. They can be adjusted according to the changing geological conditions of the mine, such as variations in the thickness and strength of the overlying strata.
The construction of coal mining machinery cylinders is a highly engineered process. The cylinder barrel is typically made of high - strength steel to withstand the high internal pressures. The piston inside the cylinder is also carefully designed to ensure a tight seal and smooth movement. Sealing systems are of utmost importance as any leakage can lead to a loss of power and efficiency. High - quality seals made of materials such as polyurethane or nitrile rubber are used to prevent fluid leakage while allowing the piston to move freely.
Honor
At present, the company is a national high-tech enterprise and a national specialized and special new "little giant" enterprise. It has passed the China safety environment system certification, occupational health and safety management system certification, the two-way integration management system certification, and the data management capability (DCMM) secondary certification. Its products have passed the IATF16949 international quality system certification, coal mine safety mark certification, etc.
Application Scenarios
We can provide customers with different solutions according to the products of different industries.
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Shandong Wantong Hydraulic Co., Ltd
Address: No.1, Shandong Road, Wulian County, Rizhao City, Shandong Province
24-hour sales hotline: +86 400 900 3958
E-mail: info@wantonghydraulic.com
