UA74251C2 - Passenger railroad car - Google Patents

Abstract

Invention concerns rail transport. Passenger railroad car contains the framework of body, frame of which is equipped with two coupling beams for installation on the bogies with dual spring suspension, each of which contains wheel pairs with journal box units, on which the frame rests, equipped from the ends with oscillation suppressors consisting of two side beams bent out in the middle part, connected together with two cross beams of tubular section, with four cylindrical springs of central suspension leaning against the grooves in the side beams and covered from above by a truck beam with an opening along the axis for passage through it of coupling unit, connected with the side beams by hydraulic oscillation suppressors. According to the invention the coupling beam of the body of railroad car is connected with the truck beam of the bogie by coupling connection, between the bogie frame and the truck beam cable limiters are mounted, the supports are rigidly fastened to the journal boxes interacting with the side beams of bogie with possibility of lifting in the vertical plane of the bogie together with the body of railroad car. Invention provides the possibility of rapid transposition of passenger railroad cars to the track of another width, improvement of conditions for maintenance of railroad cars.

Description

Description of the invention

The invention relates to railway transport, namely, to passenger cars equipped with trolleys, which allow to develop a speed of up to 200 km/h.

In the CIS countries, passenger cars are mainly equipped with two-axle bogies with a two-stage spring suspension system. A typical for modern wagons is the KV3-TsNDI bogie GKonstruirovanie i raschet vagonov" edited by V.V. Lukin UMK MPS of Russia, 2000. 731 p.), developed by the Tver Wagon-Building Plant together with VNDIZT All-Russian Research Institute of Railway Transport. Its appearance is connected with 70 years of rich experience in the operation of a large number of types and designs of trolleys, their components and parts. Created on the basis of the KV3-5 trolley of the USSR, it differs in that the body of the passenger car rests on slides, and not on the stove (as it was adopted in previously designed wagon designs). In addition, the KVZ-TsNDI bogie has an increased static deflection of the spring suspension up to 190 mm, which makes it possible to obtain a wagon speed of up to 160 km/h while ensuring the necessary smoothness of movement. The support of the body on the bogie consists of sliders body and cart interacting with each other. Transition to a track of a different width is performed by changing the carts.

Among the disadvantages of the analogue, it is worth mentioning that the transition to a track of a different width, by changing the trolleys, requires the presence of a fleet of trolleys at the transition points.

In German sleeping cars, carriages of the GP200 type are used, equipped with pneumatic suspension in the central part and helical springs in the box step. It provides movement at speeds of up to 200 km/h, allows automatic connection of all pneumatic and electric mains when rearranging wagons by replacing trolleys from a 1435 mm track to a 1520 mm track and back.

The disadvantages of the analogue include the complexity of the design of the wagon, and the transition from a 1435 mm track to a 1520 mm track and back, by replacing the trolleys, requires the presence of a fleet of trolleys at the transition points.

A famous French passenger car, for which the companies "Egapsogai - MTE" and "Rgapso - Weide" developed a trolley in the early 1970s. . (in p. 1. The basic 732 trolley is designed for a speed of up to 160 km/h. Its U32E modification, designed for a speed of 200 km/h and above, is additionally equipped with a magnetic rail brake and devices for damping the vibrations of the trolley.

The trolley frame consists of two side beams curved in the middle, connected to each other by two transverse beams of tubular cross-section. In the middle part of the side beams there are sockets with a diameter of 440 0 mm for installing cylindrical springs of the central suspension. Transverse beams are connected to each other along the central longitudinal axis of the cart by a short longitudinal beam. This beam is intended for the attachment of two long ropes, which serve to transmit longitudinal forces between the car body and the cart; the cables are rigidly attached to the trolley frame at one end, and connected to the carriage body brackets at the other end through elastic connections.

З The load from the car body is transferred to the springs of the central suspension through a spring-loaded beam that carries the mounting elements of the vibration dampers and the brackets of the transverse stops. The super-spring beam is inserted into the frame of the car and cannot turn relative to it. Between the spring beam and the body, in the places of their contacts, rubber supports with a thickness of 52 mm are installed, which serve for sound insulation. "

Hydraulic shock absorbers are installed in parallel with the springs of the box suspension, which reduce the amplitude of galloping of the carts by 50% and reduce the level of accelerations in the car body. c The secondary suspension of the trolley is made of single-row cylindrical springs, which, in addition to vertical suspension, also provide transverse suspension of the body and turning of the trolley in curves. Damping of vibrations of the car body is carried out by equipping each trolley with two vertical and one horizontal vibration dampers. Reduction of the amplitude of lateral oscillations of the car body is achieved with the help of torsion stabilizers. it. The U32 trolley is equipped with disc, pad and magnetic rail brakes - the latter for speeds of over 160 km/h.

A quick transfer of wagons from a 1435 mm track to a 1520 mm track and back is performed by changing the trolleys. o Repositioning of wagons by replacing wheel pairs is performed when the cart is rolled out. p. 20 Among the disadvantages of the analogue, it is worth mentioning that the transition from a 1435 mm track to a 1520 mm track and back, by changing trolleys, requires the presence of a fleet of trolleys at the transition points. And when replacing wheel pairs, it is necessary to roll out the carts. and The prototype of the invention is a passenger car application (KO, Mo2001126702/28 BIPM Mo23 (Ich.) 20.08.2003), which has a load-bearing structure of the body, the frame of which is equipped with two pivot beams for installation on two-axle trolleys with double spring suspension, which includes colpars with box joints on which the frame rests, 25 equipped at the ends with vibration dampers. The frame of the cart consists of two curved in the middle part of the side

ГФ) beams connected to each other by two transverse beams of tubular cross-section. The load from the body is transferred to the springs of the central suspension through the superspring beam, which carries the elements for mounting the shock absorbers. Four cylindrical springs of the central suspension rest on recesses in the side walls and are covered from above by a spring beam connected to the side walls by hydraulic dampers of 60 oscillations. A hole is made in the upper spring beam along the axis for passing through it a pivot unit equipped with rubber shock absorbers. In the spring beam above the springs, recesses of the type of truncated cone are made. The cart frame is equipped with two short beams located along the cart axis at a given distance. The pivot unit is equipped with a two-armed lever, to which the rods are hinged. The other ends of the rods are hinged to the transverse beams of the tubular type through welded loops. Between the short beams are rigidly fixed stops, against which the rubber supports rest when the body is moved relative to the cart. Switching to a track of a different width is performed by changing the carts or changing the wheel pairs.

Among the disadvantages of the analogue, it is worth mentioning that in order to switch to a track of a different width and back, by changing trolleys, a fleet of trolleys is required at the transition points, and when changing wheel pairs it is necessary to roll out the trolleys. The task of the invention is to ensure the rapid transfer of passenger cars to a track of a different width, as well as to improve the conditions of maintenance and repair.

The technical result is achieved by the fact that the wagon is equipped with special means that allow when the wagon body is raised in the vertical plane to ensure the carriage is lifted together with it, this will allow replacing wheel pairs without rolling out the wagons, as well as improving the conditions of maintenance and repair of passenger 7/o wagons .

The essence of the invention is explained by the drawings, where: in fig. 1 - the general view of the passenger car is depicted; in fig. 2 - trolley of a passenger car; in fig. C - axle suspension of the wagon carriage; in Fig. 4 - the car is raised by the lifting mechanism together with the trolley (replacement of wheel pairs).

The passenger car 1 (Fig. 1) contains the supporting structure of the body 2 and two two-axle bogies Z with double spring suspension.

Cart C includes pairs of wheels 4 (Fig. 2), on which a frame 5 rests, equipped at the ends with vibration dampers 6. The frame 5 consists of two side beams 7 curved in the middle, connected to each other by two 2o transverse beams 8 of tubular cross-section . Cart C is equipped with four cylindrical springs 9 of the central suspension, which rest on the recesses in the side walls 7 and are covered from above by a spring-loaded beam 10, with an opening for the passage of a pivot unit through it, connected to the side walls of the beams 7 by hydraulic vibration dampers 11.

The possibility of lifting the cart in the vertical plane together with the wagon is realized with the help of a pivot joint. Connection 13 between the pivot beam of the wagon 14 and the upper spring beam of the cart 10, cable restraints 15 between the frame of the cart and the upper spring beam, as well as stops 16, rigidly fixed to the boxes 17 and interacting with the side i) beams of the cart 7.

To replace wheel pairs, the axle suspension of the cart is equipped with a device consisting of a bracket 18 (Fig. 3), which has holes for a bolted connection 19 with a lever 20, one end of which rests on the axle 17, and the other is hinged connected to the side beam 7.

To replace the wheel pairs 4, it is necessary to unscrew the nuts 21 of the bolted connection 19, remove the staples 18, lift the car body 2 with the lifting mechanism 12 (Fig. 4), roll out the wheel pairs. Installation of a new pair of wheels is carried out in reverse order.

The use of the invention will make it possible to create passenger cars in which, when the body is lifted in the vertical - z5 plane, the cart is lifted together with it, which will allow: cha - to replace wheel pairs without rolling out the carts; - carry out a quick transfer of a passenger car to a track of a different width, by replacing wheel pairs; - to release a significant number of carts intended for the transition of a passenger car to a track of a different width, by replacing the carts; "- to improve the conditions of maintenance and repair of the passenger car. In accordance with this invention, design and technological documentation has been developed at OJSC "Kryukovskiy Carriage Construction Plant", and prototypes of cars are being manufactured.

Claims (1)

;" The formula of the invention -AND A passenger car containing a load-bearing structure of the body, the frame of which is equipped with two pivoted beams for installation on two-axle bogies with double spring suspension, each of which contains wheel pairs with axle joints, on which the frame rests, equipped with vibration dampers at the ends, consisting of from two 5p curved In the middle part of the side beams, connected to each other by two transverse beams of the tubular 1 cross-section, with four cylindrical springs of the central suspension resting on notches in the side beams and covered from above by a superspring beam with an opening along the axis for the passage of a pivot assembly through it, connected to the side beams by hydraulic vibration dampers, which is distinguished by the fact that the pivot the beam of the wagon body is connected to the over-spring beam of the trolley by a pivot connection, cable restraints are installed between the frame of the trolley and the over-spring beam, stops are rigidly attached to the boxes for interaction with the side beams of the trolley o with the possibility of lifting the trolley in the vertical plane together with the wagon body. name) 60 b5