Security vehicle for long rail train set and long rail train set

Abstract

The invention provides a security vehicle for a long rail train set and the long rail train set. The security vehicle comprises a security vehicle body. A mounting rack is fixedly arranged on the upper surface of the security vehicle body. A longitudinally extended guide rail is fixedly arranged on each of the two sides of the security vehicle body above the security vehicle body. An iron balancing weight is arranged on each of the guide rails in a sliding way. A guide component is arranged on each of the iron balancing weights. Two longitudinally arranged sprocket wheel devices are fixedly arranged between the two guide rails. Each sprocket wheel device comprises two support parts arranged oppositely. A wheel shaft is transversely arranged on each of the support parts. A sprocket is fixedly sleeved on each of the wheel spindles. The two sprockets are driven by a haulage chain wound on the two sprockets. The haulage chains are fixedly connected with the iron balancing weights to drive the iron balancing weights to longitudinally slide. According to the security vehicle for the long rail train set and the long rail train set, the eccentric wear phenomenon of a steering rack of the security vehicle body in no-load running is avoided, so that the service life of the steering rack is prolonged; and the probability of derailment in running is reduced.

Description

technical field [0001] The invention relates to the manufacturing technology of railway vehicles, in particular to a safety car for a long rail train set and a long rail train set. Background technique [0002] The long rail train set includes a generator car located in the first section, a safety car located in the second section, a rail car connected behind the safety car for loading long rails, and a safety car connected behind the rail car, that is, in The front end and rear end of the rail car used for loading long rails are safety cars to protect the rails from impact, and the safety car is equipped with a counterweight device to balance the vehicle load when the vehicle is heavily loaded. [0003] figure 1 is a structural schematic diagram of a safety car in the prior art. Please refer to figure 1 , the counterweight device on the safety car of the prior art is a fixed counterweight iron block 101 welded on the front end or rear end of the car body; since the fixed...

AI Technical Summary

Problems solved by technology

Please refer to figure 1 , the counterweight device on the safety car of the prior art is a fixed counterweight iron block 101 welded on the front end or rear end of the car body; since the fixed counterweight iron is directly welded on the car body, therefore, when the safety car is empty , the eccentric load will occur (the end with the counterweight iron block is heavier), and the load borne by the bogie 102 at one end with the fixed counterweight iron block will be far greater than that of the bogie 102 at the other end of the car body. When the safety car is running with no load, the parts on the bogie under heavy load will produce eccentric wear, which will reduce the service performance and life of the parts on the bogie and increase the maintenance cost of the vehicle; at the same time, due to the same The bogies at the front and rear ends of the car body are unevenly loaded, which affects the running quality of the car and increases the possibility of derailment

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