Recently, the tire protection device invented by the Shenhua Coal Group Production Service Center of Shenhua Group won the national utility model patent. In the past, due to the differences in geological conditions of various mines, in order to increase the support force, all mines carried out multiple rows of bolt support on the roof of the roadway and the coal walls on both sides according to actual needs. When the frame-type carriage truck undertakes the transportation task of the fully mechanized mining equipment under the operation well, the tire often rubs against the anchor cable on both sides of the roadway, which directly causes serious damage to the vehicle tire. In the long run, the tire replacement is frequent, which greatly increases the production operation cost. . In order to reduce costs and achieve low-cost operation, the special team technicians invented a tire protection device, which effectively solved the current situation of frequent damage of special vehicle tires. The frame type bracket truck tire protection device is divided into a tire cover body and a shield bracket. The shield body includes a tire bolt inspection hole, a shield fixing block, a bolt hole, and a positioning plate; the shield bracket includes The wire groove and the bolt hole bracket are placed between the tire cover and the vehicle body for connection. By attaching the tire protection device of the frame type bracket truck, the tires of the frame type bracket truck are prevented from being exposed to the outside, thereby effectively reducing the damage of the suspension equipment such as anchor cables on both sides of the mine roadway. “The tire protection device is very practical for the special transportation mode of the trackless rubber wheel in Shendong mining area, which effectively reduces the damage of the exposed anchor cable on both sides of the roadway and prolongs the service life of the special vehicle tire. As of the end of August, it has saved 200 yuan. More than 10,000 yuan, the economic benefits are considerable." The team's special team captain and secretary Zhang Yuping told the media.
A carbon Steel Plate has usually been considered as the steel that does not contain much alloy steel elements, also named as mild steel. Generally, elements are C, Mn, P, S, Si, besides these, there are no minimum limits for elements of Al, Cr, Ni, Mo, V, etc.
Low carbon steel is the most common form, and it's very malleable and ductile. Medium carbon steel balances ductility as well as strength for excellent wear resistance. High carbon steel is exceptionally strong, while ultra-high carbon steel can be tempered to even greater hardness but no malleability.
As the percentage of carbon gets larger, steel can become harder and stronger through heat-treating. Carbon steel is usually heated to change the mechanical properties of steel, usually ductility, hardness, strength, and resistance of impact. Increasing the carbon content of carbon steel makes it harder and stronger, but reduces the steel`s ability to be welded, making it more brittle.
Carbon steel plate is most often used for structural purposes such as buildings, yet it has the flexibility to be worked into ornate designs. Low carbon steel sheet (wrought iron) is typically used for fences, chain links, gates, and railings. Structural steel (medium carbon steel) is used in cars, refrigerators, washing machines, buildings, and bridges. The steel sheets are normally made up of medium carbon steel.
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