Heavy Load Railway Freight Wagons Draft Gear ST Type Coupler Buffer

Heavy Load Railway Freight Wagons Draft Gear ST Type Coupler Buffer

Breif introduction:

Coupler buffer is one of the foremost imperative gadgets of railway vehicle. Owe to the coupler buffer, the train to vehicle or vehicle to vehicle may well be linked together and the traction force may well be transmitted amid running and the affect constrain might be relieved amid shunting or braking. The coupler buffer is composed of coupler, buffer (draft gear), coupler burden, coupler burden stick, affect situate, slave plate and other parts. The front slave plate, buffer and raise slave plate are introduced within the coupler burden in turn. The coupler and coupler burden are associated as a entire with the assistance of coupler burden stick.In a word, the coupler buffer has three capacities: coupling, traction and buffer.

Within the coupler buffer gadget, the coupler is to realize the coupling between train and vehicle or between vehicles and exchange traction and impact drive, and to form vehicle to keep a certain remove between vehicles. Buffer (draft equip) is to moderate the collision between vehicles amid prepare operation and shunting operation, assimilate the affect and diminish the motor vitality created when vehicles affect each other; The slave plate, coupler burden stick and coupler burden play the part of transmitting longitudinal constrain (traction constrain and affect constrain).

Draft gear moreover called buffer is to diminish the affect constrain by compressing the versatile component, and assimilate the affect vitality by contact and damping amid misshapening of the versatile component. Draft Adapt has the work of disseminating the affect and vibration between cargo cars, so as to diminish the harm to the car body structure and stack products, and move forward the solidness of prepare operation.

​ST draft gear has the characteristics of simple structure, light weight and low cost. It could be a dry grinding spring buffer, which is reasonable for fundamental general-purpose cargo cars and cargo trains with a add up to weight of 84t.

ST draft gear primarily comprises of contact component, fundamental spring and box. Three contact wedges with the same structure frame three grinding instruments individually with the pushed cone and the box; the pushed cone bears the affect drive from the slave plate, and the contact wedge slides along the incline of the box and the constrain washer. The most spring comprises of an external spring and an inward spring. The most spring encompasses a huge unbending nature. Within the process of affect, portion of the work done by the impact constrain is changed into the flexible potential vitality of the most spring of the buffer, and the other portion is changed into the contact work of the grinding component.After the affect, portion of the versatile potential vitality of the most spring is devoured within the contact work created within the handle of contact component recuperation, and the rest of the vitality is transmitted to the slave plate, so as to ease and assimilate the longitudinal affect vitality.

ST Type Draft Gear as below picture:

Detail image of ST type coupler buffer: