Novel ratchet compensating device

Abstract

The invention provides a novel ratchet compensating device. The novel ratchet compensating device comprises a ratchet body (1), a ratchet brake bracket (2), a long bolt pin (3), a ratchet frame connecting plate (4), a brake pallet (5), a balancing wheel (6), a wire cable I (7), a wire cable II (7') and a wire clamp (8), wherein the ratchet body (1) is arranged on a ratchet shaft (11) through a pair of self-lubricating sliding bearings (10); the two ends of the ratchet shaft (11) are fixed to the front end of the ratchet frame connecting plate (4), and are provided with end face self-lubricating bearings (14); and the end face self-lubricating bearings (14) are arranged between the ratchet frame connecting plate (4) and the self-lubricating sliding bearings (10). By optimizing the structural design, the manufacturing technique is simplified, the safe use performance is improved, the use working tension reaches 32kN, and a compensation distance reaches 950m. The novel ratchet compensating device not only can meet the requirements of high tension and compensation distance in a contact net of a high-speed electric railway, but also brings convenience to installation and maintenance.

Description

technical field [0001] The invention relates to a novel ratchet compensation device, which belongs to the technical field of high-speed electrified railway catenary component manufacturing. Background technique [0002] The ratchet compensating device is mainly used to compensate and adjust the tension of the cable at the anchorage of the electrified railway catenary and the flexible suspension of urban rail transit. With the development of high-speed electrified railways, the speed of passenger dedicated lines continues to increase, and the tension requirements for catenary are higher (the compensation tension of the line is increased to 30kN), so the comprehensive performance of the ratchet compensation device must meet the requirements of large tension compensation. However, due to the small compensation distance of the existing ratchet compensation device, the rated working tension is small (the maximum compensation tension of the line is 15kN); the compensation rope has...

AI Technical Summary

Problems solved by technology

However, due to the small compensation distance of the existing ratchet compensation device, the rated working tension is small (the maximum compensation tension of the line is 15kN); the compensation rope has a small tension resistance, the support rigidity is insufficient, and the compensation rope is affected by deviation and friction during work. The service life and transmission effect of the ratchet; the ratchet bracket is made of open hook mouth and welding, which cannot guarantee the requirements of parallelism and verticality, and it is easy to cause the ratchet to be deflected, and the consistency is poor, so it is difficult to interchange; the ratchet bearing cover If the gap between the plate and the side plate of the frame is too small, it is prone to clamping, making the rotation of the ratchet inflexible and affecting the compensation effect

Therefore, the existing ratchet compensation device is difficult to meet the requirements of large tension compensation for high-speed electrified railway catenary

Images