Wear-compensating mechanisms, e.g. slack adjusters (B61H15)

B61   Railways(14459)
B61H15              Wear-compensating mechanisms, e.g. slack adjusters(86)

Collection, drain and bypass of contaminant in clearance adjustment device // 2646685
FIELD: transportation.SUBSTANCE: drain system for use with a clearance adjustment device for a railway vehicle brake system allows the fluid and other contaminants to be drained from the clearance adjustment device to prevent the accumulation of the fluid and the contaminants within the clearance adjustment device. The clearance adjustment device comprises a main part of the casing, a part of a conical nut casing, covering the critical working area of the clearance adjustment device, and a part of the overtravel casing. The drain system comprises a window extending through a part of the side wall of the overtravel casing part. The window is made with the possibility to allow the fluid and/or contaminants to be drained through this at least one window to reduce the impact of the fluid and/or contaminants on the critical working area.EFFECT: improved protection against contaminants.31 cl, 18 dwg

Device for reducing contaminant impact on clearance adjustment device // 2645532
FIELD: transportation.SUBSTANCE: device for reducing the contaminant impact is used with a device for adjusting the clearance of the brake system of a means for protecting the critical working area of the clearance adjustment device. The critical working area includes components made with the possibility of joint work to adjust the braking system. The clearance adjustment device includes a main part of the casing, a part of a conical nut casing, covering the critical working area of the clearance adjustment device, and a part of the overtravel casing. The device for reducing the contaminant impact includes a sealing system made with the possibility of interaction with at least one of the main casing part, the part of the conical nut casing and the part of the overtravel casing for sealing the critical working area from entering fluid and/or contaminants therein, and/or for reducing the impact of the fluid and/or contaminants on this area.EFFECT: improved protection against contaminants.17 cl, 11 dwg

Brake leverage of railway freight car trolley // 2626796
FIELD: transportation.SUBSTANCE: brake leverage contains vertical levers, the lower ends of which are pivotally connected to the tightening, and one of the levers is pivotally connected by its upper end to the link pivotally connected to the bracket of the dead point of the brake leverage. On the vertical lever, which is not attached to the dead point link, there is a pointer on the outside, oriented along the lever axis drawn from the centres of the upper and the middle openings on the lever. Into the upper opening of the vertical lever a roller is mounted, on which a pendulum located on the outside of the vertical lever is mounted, having a through window in which the index bar is visible.EFFECT: making it possible to visually determine the critical wear of brake pads without additional measuring instruments.3 cl, 4 dwg

Railway bogie brake leverage // 2572796
FIELD: transport.SUBSTANCE: claimed leverage can transfer the brake cylinder force owing to the turn of crossbars about the axes. Said crossbars are composed of bell cranks with their arms being equally spaced from the mirror axis of crossbars and turned through 180 degrees relative to each other. One of said arms of the bell crank is coupled with dead point of claimed leverage.EFFECT: uniform distribution of forces between the mounted axle wheels developed by one brake cylinder.3 cl, 1 dwg

Actuator with push rod for compact modules with disc brake support and lock lever that can thrust against resilient stop // 2547942
FIELD: transport.SUBSTANCE: invention relates to railway transport, particularly, to railway vehicles brakes. This disc brake drive comprises disc brake support with both collet levers are connected from one end with brakes shoes and, on opposite side, with wear regulator. Wear regulator length is adjusted by control mechanism depending on brake force regulator lift height, this regulator acting on wear regulator actuator with the help of control system link. Regulator with thrust section is fitted along with free running mechanism in wear regulator case and stressed at initial position which does not require adjustment relative to case thrust by return spring. Said thrust include resilient element arranged in direction of impact.EFFECT: decreased wear of disc brake.10 cl, 8 dwg

Rolling stock unit brake cylinder // 2510343
FIELD: transport.SUBSTANCE: invention relates to railway transport, particular to brake cylinders with mechanisms for adjustment of clearances between brake shoes and rolling stock wheel rolling surfaces. Cylinder with automatic regulator of clearances comprises case, covers defining the pressure chamber accommodating spring-loaded piston and barometric chamber with rod. Rod extends through pressure chamber cover bore to behind the piston in barometric chamber and is composed by thrust screw of automatic regulator leverage. Spring-loaded nuts are fitted on regulator leverage screw as well as ear to transfer piston force to leverage. Rod end extending from cylinder rear cover has means to secure said cylinder to parking brake.EFFECT: decreased number of levers in said leverage.1 dwg

ounted axle disc brake // 2509017
FIELD: transport.SUBSTANCE: invention relates to railway transport, namely, to railway vehicle braking clamps. Disc brake comprises case, brake plates, brake shoes with plastic linings, leverage with two bell cranks and their hinge pins. Brake discs are secured at both sides of running wheel. Leverage is engaged with brake souse on one side and, on that other side, with controlled pneumatic brake cylinders and springs to pull brake shoes from brake disc. Disc brake is equipped with friction discs fitted on both sides of running wheel, at brake discs ends. Inner friction discs are composed of segments fitted on axles at the case while outer friction discs are composed of segment rings secured by pins at brake disc with plates to connection of segments by screws. Friction discs comprises extra springs fitted at axles to make clearance over friction surface.EFFECT: higher efficiency of braking, decreased sizes, simplified design, expanded operating performances.2 dwg

Air-operated brake // 2502621
FIELD: transport.SUBSTANCE: invention relates to railway transport, particularly, to rolling stock braking equipment. Proposed brake comprises spindle and clevis. Said spindle can displace axially. Said spindle rests on said clevis to prevent spindle turn. First ring gear and second ring gear of said clevis have opposed fixed teeth are coupled with said clevis. Spindle ring gear with teeth of both sides is tightly engaged with said spindle between both said ring gears of the clevis.EFFECT: simplified design and servicing.12 cl, 4 dwg

Rolling stock car brake system // 2501692
FIELD: transport.SUBSTANCE: invention relates to rolling stock car brake devices for separate braking of every bogie. Brake system consists of two parts, i.e. pneumatic and mechanical. Mechanical part is composed of lever gearing automatic regulator and leverage transmitting brake vertical lever to bogie shoes. Brake of every bogie incorporates cylinder to create pushing force at working stroke to act to vertical lever of said gearing via automatic regulator built in the brake cylinder body.EFFECT: higher efficiency of braking.5 cl, 1 dwg

Clamp brake // 2492373
FIELD: transport.SUBSTANCE: clamp brake is mounted at vehicle comprising body and wheel with brake surface to braking force to be applied to said wheel. Clamp brake comprises brake shoe, brake shoe holder, main clamping body, two support pins and drive. Support pins hold said holder at main clamp body to allow its displacement toward brake surface and therefrom. Drive allows pressing brake shoe to wheel brake surface by aforesaid holder. Said drive comprises diaphragm, drive pressure chamber, piston and connected gear. The latter comprises screws and screw bores made in said piston to receive screws to be screwed in through holder to attach the piston thereto.EFFECT: efficient conversion of fluid pressure into brake shoe pressing force, stable braking force.10 cl, 5 dwg

Device to adjust clearance in railway vehicle brake drive // 2444457
FIELD: transport.SUBSTANCE: invention relates to railway transport, particularly, to devices intended for adjusting clearance in railway vehicle brake drives. Proposed device comprises driving element, rod arranged displace axially inside the latter, adjusting nut engaged with aforesaid rod via threaded joint without self-locking function, means for engagement of driving element and adjusting nut, coil spring, first engagement and second engagement. Drive element features the shape of sleeve and is arranged to displace axially and to take up braking force acting in braking direction. First engagement comprises surface for engagement arranged on driving element and directed toward braking direction, and appropriate surface for engagement located on adjusting nut. Second engagement comprises surface for engagement arranged on driving element and directed toward braking direction, and appropriate surface for engagement located on adjusting nut sleeve. Adjusting nit sleeve is arranged to displace axially on said nut.EFFECT: simplified manufacture.8 cl, 4 dwg

Vehicle clamp brake // 2429393
FIELD: transport.SUBSTANCE: brake clamp comprises first braking lever arranged opposite vehicle wheel first friction surface and second braking lever arranged opposite second friction surface. Moving brake shoe is mounted on first braking lever to apply brake force to first friction surface. Brake clamp houses pistons to move moving brake shoe in response to membrane extension and guide frame to guide pistons in direction perpendicular to first friction surface. Moving brake shoe applies uniform brake force to vehicle wheel together with brake shoe secured to second braking lever.EFFECT: uniform pressure on revolving wheel surface.13 cl, 12 dwg

Automatic regulator for brake rigging // 2387560
FIELD: transport.SUBSTANCE: automatic regulator contains body where traction screw with self-releasing thread and spring-loaded jacknut and adjusting nut are installed. On jacknut and in other places of frictional contact, inserts in the form of rubber or composition elastomeric rings are installed. The inserts are locked against axial shifting. Friction factor and rigidity of the said inserts are less than these of body material.EFFECT: expansion of lineup of automatic regulators and improvement of automatic regulator operation reliability at the time of vibration loads action during movement.3 cl, 4 dwg

Train brake mains control device // 2311309
FIELD: railway transport; brake systems.SUBSTANCE: invention relates to brake system devices designed to control air pressure in train brake mains in emergency. Proposed train brake mains control device contains units to check and control parameters of air pressure in brake mains and unit to transmit and receive check and control information by radio channel to/from locomotive. Said units are secured on last car of train. Pressure transmitters are connected by output to brake mains parameters check and control unit. Input of first transmitter is connected through hose of last car to train brake mains before electromagnetic valve which serves as actuating mechanism of control unit. Input of second transmitters is connected to expansion reservoir with throttling hole installed after electromagnetic valve. Device contains also electromagnetic valve communicating with atmosphere in open state and used as required at braking. Said valve is connected directly to expansion reservoir.EFFECT: possibility of emergency or service braking according to all requirements to braking process.2 deg

Railway car bogie brake rigging // 2248897
FIELD: railway transport.SUBSTANCE: invention relates to brake systems of freight cars, namely, to design of brake riggings installed on bogies to transmit force of brake cylinder to brake shoes interacting with wheels. Proposed brake rigging includes vertical levers. Upper part of one of levers is connected with tie-rod of car brake system, and upper part of other lever, with shackle of dead point holder. Lower parts of vertical levers are connected by brace, and in middle parts brake beams are hinge secured being suspended through swinging suspension from brackets of side frames and connected by elastic rod installed parallel to longitudinal axis of bogie. One end of said elastic rod is secured in guide of first brake beam, and other end is mounted in guide of second brake beam for reciprocation. Novelty is that proposed brake rigging is furnished with second elastic rod connecting brake beams in mirror like manner, each elastic rod being provided with limiting head on one end and secured from side of one of brake beams by means of clamp with two coaxial holes feted on elastic rod and arranged inside guide. Bent-on wall of clamp encloses one of webs of brake beam guide and rod head. Elastic rods are installed in parallel on end parts of brake beams between brake shoe and spacer. One rod is secured in guide of first brake beam, and the other, in guide of second brake beam.EFFECT: provision of parallel release of brake shoes from wheel roll surface at preservation of simple design.3 dwg

Cylinder brake of a rail vehicle // 2175925
The invention relates to a brake cylinder of the rolling stock and for the improvement of the return mechanism of resistant screw to its original position after selecting the gap between the brake pad and the rolling surface of the pair of wheels

Brake lever gear train of a vehicle // 2174478
The invention relates to regulators lever gear train of the vehicle and for the increase of reliability of work of the mixing unit

Automatic brake linkage unilateral action // 2166451
The invention relates to railway transport

The method of adjusting the brake linkage passenger car // 2071428
The invention relates to methods for regulating the brake lever gear of railway vehicles