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Coal Mine Hydraulic Cylinders
New structure design for easy maintenance
Hydraulic support is the supporting equipment of comprehensive mechanized coalface and one of the key equipment of comprehensive mechanized coal mining. The normal operation and operation quality of hydraulic support determines the production efficiency and safety of coal mining. The hydraulic cylinder is the key to hydraulic support. Affected by the working environment, its working conditions are easily damaged, and the operation stability is disturbed to a certain extent.
Overview
Hydraulic support is the supporting equipment of comprehensive mechanized coalface and one of the key equipment of comprehensive mechanized coal mining. The normal operation and operation quality of hydraulic support determines the production efficiency and safety of coal mining. The hydraulic cylinder is the key to hydraulic support. Affected by the working environment, its working conditions are easily damaged, and the operation stability is disturbed to a certain extent.
Due to the damage and maintenance of hydraulic cylinders during underground use of hydraulic support, Hengcai has made many technical improvements to the unreasonable construction and difficult disassembly of hydraulic cylinders, improving the internal quality and stability of hydraulic cylinders.
Parameters
Items |
Value |
Unit |
Scope of application |
|
Bore diameter |
63-250 |
mm |
Different types of hydraulic supports |
|
Rod diameter |
45-160 |
mm |
||
Stroke |
170-900 |
mm |
||
Working pressure |
31.5-42.0 |
MPa |
||
Output force |
Push |
90-1500 |
KN |
|
Pull |
50-900 |
KN |
||
Working pressure |
-40-100 |
℃ |
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Hydraulic Support Cylinder Industry knowledge
1. Why is the maintenance of hydraulic support cylinders so important for coal mining?
Hydraulic support cylinders are key equipment in coal mining to ensure stable and safe support of the working face, especially in comprehensive mechanized coal mining working faces. The Hydraulic Support Cylinder of Jiangsu Hengcai Hydraulic Mechanical Co., Ltd. can withstand working pressures up to 42 MPa and provide a maximum thrust of 1500 kN to ensure stable operation in complex and high-pressure underground environments.
The maintenance of hydraulic support cylinders is crucial for coal mining and is directly related to the safety of the mine. The hydraulic cylinder provides support to prevent collapse or sliding of the top or surrounding rock of the mine, so any failure may result in insufficient support, threatening the safety of the operators and the stability of the mine. The stability of the hydraulic cylinder affects the production efficiency of the coal mine. In a high-load working environment, if the hydraulic cylinder leaks, seals poorly or is otherwise damaged, the hydraulic system will not work effectively, which may cause the support to fail to operate as expected, thus affecting the continuity and efficiency of the entire mining operation. Through regular maintenance, these problems can be discovered and repaired in a timely manner, reducing equipment failures and downtime, and improving the production efficiency of the working face.
The maintenance of the Hydraulic Support Cylinder can also extend the service life of the equipment and reduce the additional costs and risks of shutdowns caused by equipment aging or damage. The hydraulic cylinder is exposed to extreme conditions such as high temperature, high pressure, and impact for a long time in the coal mine environment. If it is not maintained and maintained in time, it may cause problems such as seal failure and increased internal resistance, which increases the maintenance cost and may also cause serious work accidents. In summary, the regular maintenance of the Hydraulic Support Cylinder is an important link that cannot be ignored in coal mining, which can ensure the safety of mine operations, production efficiency and long-term stable operation of equipment.
2. What challenges does the Hydraulic Support Cylinder face in coal mining, and how does Hengcai respond?
The Hydraulic Support Cylinder faces an extremely harsh working environment in coal mining. The high temperature, high humidity, harsh climatic conditions and geological pressure underground will affect the normal operation of the hydraulic cylinder. Jiangsu Hengcai Hydraulic Mechanical Co., Ltd. has effectively responded to these challenges through continuous technological innovation and precision design. Its Hydraulic Support Cylinder uses composite sealing technology and advanced surface treatment technology to enhance the corrosion resistance, wear resistance and sealing of the hydraulic cylinder, and can adapt to the high pressure and high temperature changes in the coal mine environment.
Hengcai Hydraulic Cylinder also pays special attention to the stability design of hydraulic supports under high load and high impact. The thrust of the hydraulic cylinder can reach 1500 kN, and it can still output stably under high pressure working conditions to ensure safe and reliable support of the mine working surface. Hengcai also continuously optimizes the installation and disassembly structure of the hydraulic cylinder, making it easier to repair and replace parts, thereby improving the maintainability and operating stability of coal mine equipment.