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What is the specific structure of single rod spring buffer of tipper type mine car/ What are the potential safety hazards of the current tipper tramcar?

Views: 0     Author: Site Editor     Publish Time: 2022-09-26      Origin: Site

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The single rod spring buffer frequently used by tipper tramcars is mainly composed of pins, heads, end brackets, pull screws, springs, hook frames, fastening nuts and other components. The specific structure is that the buffer head is connected with the end bracket through the T-shaped square head of the traction bolt, the traction bolt and the double nut are connected with the frame fixed on the frame, and the buffer spring is installed between the coupler frame and the head. The shape of the contact is spherical, which can prevent the contact from embedding and overlapping each other, resulting in derailment. The contact of the tramcar in operation is point contact in any direction, and the action is flexible. The screw is a T-shaped square shaft passing through the contact head, which can avoid breaking the screw when the contact head and the screw are manufactured as a whole due to the gap between the square head and the square hole. During the transportation of the tramcar with this type of traction buffer device, the traction force is transmitted to the hook frame through the head and the pull screw to drive the whole tramcar forward. The parts of traction force are mainly the head and the pull screw. During the repeated pull collision, the fastening nuts of the pull screw will be damaged due to uneven force. After a long time of accumulation, combined with the heavy moisture in the underground tunnel, the corrosion phenomenon is relatively serious, When the thread damage accumulates to a certain extent, when the fully loaded tramcar is suddenly pulled by a strong force, the wire will fall off, causing a car falling accident, affecting the orderly progress of underground production, and even causing personal injury to underground personnel in serious cases.

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Shandong China Coal Mining Support Equipment Co., Ltd. was founded in the 1990s with more than 1100 employees. It now has 53 professional companies, 3 Hong Kong companies, 1 British Cayman company and 1 American company. It is a large diversified industrial group integrating intelligent equipment manufacturing, e-commerce, software research and development and intelligent logistics, which is cultivated and supported by the Ministry of industry and information technology, the Ministry of Commerce, the development and Reform Commission, Shandong Province and Jining City.
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