SU969572A1 - Two-axle bogie for rail vehicles with central cradle-less suspension - Google Patents

Description

(5) DOUBLE TROLLEY FOR RAILWAY MOBILE COMPOSITION WITH CENTRAL LIFT-FREE ROLLING

one

The invention relates to railway transport and can be used in diesel locomotives and other vehicles.

Biaxial bogies for railway rolling stock with central celiac suspension are known, including sets of axle suspension springs, axle gearboxes, and gears for gears npo-, Q longitudinal forces from the bogie to the bodywork tl.

A disadvantage of the known construction is the complexity of the box suspension in the presence of its significant inertial masses, which worsens the horizontal, 5th dynamic dynamics.

Biaxial trolleys for railway rolling stock with central celiac suspension are known, including an H-shaped frame mounted on 20 wheel pairs with axle boxes, leads for connecting axle box with side walls of the said frame and lateral beams on the latter, of which the latter are made tnik for supporting the body pin, axle gears mounted on axles of wheel sets and disc brake, leads for transferring longitudinal forces from the truck to the body, sets of springs of axle boxes and a central spring suspension with quencher E oscillations 2

The disadvantage of this design is a decrease in reliability due to a complex system of two shoulders, having a large inertial mass and a deterioration in horizontal dynamics.

The purpose of the invention is to increase reliability and improve dynamic performance.

Claims (1)

The goal is achieved by the fact that in the carriage the first drivers are made one-sided and are located horizontally at the level of the axle of the wheel set, and the second at the level of the middle part of the shank pin, while the first drivers are made one-sided and arranged horizontally at the level of the axis of the wheelset, and the second at the level of the middle part of the shank pin, with the first leads in the heads equipped with spherical hinges, with the limiter pins installed in the second set of springs. In FIG. 1 shows the proposed trolley, side view, in FIG. 2 - the same, a type of a dough; in FIG. 3 - a lead, a cut; in fig. 4 - pivot body connection with a bolster in FIG. 5 - pin for buksov suspension. The body of the locomotive is supported with the pin of the pin 1 on the support 2 of the bolster 3 supported on the sets of springs 4. mounted on the sides of the frame of the trolley on both sides. The trolley frame in the plan is H-shaped and consists of two sidewalls 5 of a trough-shaped form, rigidly interconnected by a transverse beam 6c. To damp the oscillation between the bolster beam and the sidewall of the trolley frame, friction vibration dampers 1 are installed. The sidewalls of the trolley frame are supported through sets of cylindrical springs 8 on the bushings 9 “The bushings” are connected by means of drivers K) to the side frames of the trolleys. The leads are connected to the axle boxes and sides by means of cylindrical rollers 11 inserted from the outside. Spherical hinges 13 are pressed onto the rollers through the sleeves 12. Between the heads of the leads by the axle brackets and the sidewalls of the frames of the carriages, rubber cuffs 1 are fitted, protecting from lubrication of dust and moisture into the lubrication of the spherical hinges. 16 with the pressed sleeve 1 enters the hole of the bolster. The pipes 18 connect the bolster with the brackets of the frames of the carriages. The spring sets of the central and axle suspension systems, in order to restrict from overturning, are provided with restrictor pins 19, located both in the sidewall of the trolley frame and in the bolster. The restriction pins freely pass into the plates of the axle boxes and the frames of the carriages, providing vertical oscillations and limit lateral movements within the gaps a. From the bottom, nuts 20 are placed on the limiter pins; T brakes and braking forces from the wheel sets are transmitted to axle boxes, truck frames, bolsters, and then to the locomotive body. The leads restrict longitudinal movements and allow free vertical and horizontal movements of the mating units. In connection with the presence of a central spring suspension, the proposed trolley provides high static deflection. Spring-loaded suspension with leashes that do not have recovery moments in the heads also provide lateral horizontal displacement of the mating nodes, which improves the horizontal dynamics, and the location of the leashes at the level of the middle part of the shank of the pin provides good traction properties of the trolley. The use of a leash with spherical hinges ensures positive dynamic qualities. The technical and economic effect of reducing the number of parts and weight by introducing the proposed trolley will be 5 thousand rubles. per section, and 1 million rubles. in year. DETAILED DESCRIPTION A biaxial trolley for railway rolling stock with a central celiac-free suspension comprising an H-shaped frame mounted on wheel pairs with axle boxes, leashes with heads for connecting the axle box with the sidewalls of the said frame and the lateral and bolster beams located on the latter, the latter of which are made with a bolster for supporting the body pin, axle gears mounted on axles of wheel sets and disc brake, leads for transmitting longitudinal forces from the bogie to the body, com Axle and center spring suspension spring assemblies with friction vibration dampers and limiting pins installed in the first sets differ so that, in order to increase reliability and improve dynamic performance, the first drivers are one-sided and arranged horizontally at the level of the axis of the wheel pair, and the second - at the level of medium 9695724 It part of the shank pin, pri1. USSR author's certificate This is the first leads in snab-n ° heads. CL B B1 F / ni " wives with spherical hinges, with iggA, limiter pins installed in second set of springs. .5 2, USSR Author's Certificate Sources of information, No. 171242, CL, 61 F 3/04, 1964 taken into account in the examination (prototype). Y z ///////////// / Thebes.