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拧卸钻具的钳子有23种规格和结构。全苏地质技术联合体专业设计局研制的КШ型多用链钳用于地质勘探钻进过程中手工夹持和拧卸硬质合金钻头,金刚石钻头,岩心提断器外壳,异径接头,岩心管,钻杆和套管。这种链钳有4种规格,能代替目前批量生产的15种自由钳。КШ型链钳的基本参数列于附表。从附表可见,新设计的链钳坚固耐用,能夹持各种直径的钻具,能传递更大的扭矩。
There are 23 sizes and structures for unscrewing the pliers. The КШ type multi-purpose chain pliers developed by the Professional Design Bureau of the All-Soviet Union of Geological and Geotechnical Engineering are used to manually hold and unscrew the carbide drill, diamond drill, core block, reducer, and core tube during geological exploration drilling. , drill pipe and casing. There are four sizes of this type of chain pliers that can replace 15 types of free clamps that are currently mass-produced. The basic parameters of the КШ type chain pliers are listed in the attached table. As can be seen from the attached table, the newly designed chain pliers are robust and capable of holding drill tools of various diameters and capable of transmitting more torque.