Coal Mine Car Three Ring Chain For Narrow Gauge Railway Vehicles

Coal Mine Car Three Ring Chain The mine car three-ring chain is an important component for connecting two narrow-gauge railway transport vehicles on the mine surface and in underground tunnels. It is suitable for connecting mine cars. Three-link chains are divided into two types according to work requirements: forging and welding.   Usage For connecting narrow-gauge vehicles, it is necessary to use narrow-gauge vehicles and standard connections that meet the requirements.     DIMENSIONS   Chain specifications Width Arc radius Weight Test load (KN) Elongation under test force % (max.) MBS (KN) Elongation at fracture % (min.) dxp(mm) min a max b r (mm) Kg/Set 22×105 40 87 41 2.9 70 2 370 15 26×118 46 102 48 4.6 100 2 520 15 28×120 48 108 51 6.7 110 2 610 15 30×120 48 112 53 7.8 120 2 670 15 30×130 55 119 56.5 6.9 120 2 670 15 32×140 58 126 60 9.9 140 2 790 15 34×147 64 136 65 10.1 160 2 890 15 38×145 80 160 77 13.65 200 2 1110 15 According to MT244.1-2020 standard and related industry standards   Mine Car Three Ring Chain Manufacturing Standards The manufacturing standards for mine car three ring chains mainly include the following aspects: 1. Chain material: The material of the mine car three ring chain should have sufficient strength and wear resistance. Commonly used materials include 65Mn, 40MnB, etc. 2. Chain link design: The links of the mine car’s three-ring chain should have a reasonable structural design to ensure that it can withstand large loads and impact forces during work and at the same time make the chain have a longer service life. 3. Heat treatment process: The links of the mine car three-ring chain have undergone appropriate heat treatment processes to make them have good hardness and toughness and can adapt to harsh working conditions. 4. Dimensional accuracy: The dimensional accuracy of the mine car’s three-link chain should meet the requirements of relevant standards to ensure the reliability of the assembly and use of the chain. 5. Surface treatment: The surface of the mine car three-ring chain should be treated with anti-rust treatment to increase its service life. 6. Performance testing: Performance testing of chain links should be carried out during the manufacturing process, including testing of tensile strength, hardness, tensile strength and other indicators. 7. Appearance quality: During the manufacturing process of the mine car three-link chain, attention should be paid to the appearance quality inspection of the chain links to ensure that there are no obvious defects or damage. To sum up, the manufacturing standards for mine car three ring chains mainly focus on the material, design, heat treatment process, dimensional accuracy, surface treatment, performance testing and appearance quality of the chain to ensure that the chain has good strength, wear resistance and service life. Able to adapt to the needs of the mining working environment. Reliable Mining Chain Supplier Kailipu is one of the most professional rigging equipment supplier and exporter in China, specialized in all kinds of rigging hardware, welded chain, wire rope, lifting webbing sling, pulley, ect. Mine car three ring chain is one of the common chains for mining equipment. Kailipu produces and exports all kinds of round link mining chains and connectors. If you need a professional mine chain supplier, let Kailipu be your first choice. Kailipu will work with you to make better rigging, lifting and material handling products. For any more help, e-mail our specialists at [email protected] for assistance.