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Rail vehicle parking brake with high efficiency factor Invention relates to railway transport, specifically to braking systems of rail vehicles. The parking brake includes braking cylinder with piston actuated by working fluid, as well as with parking brake having control lever installed with rotation possibility which rotation is transferred to shaft. The piston actuates piston rod of wheel brake cylinder which rod is coaxial with braking cylinder axis. The shaft is installed with possibility to turn perpendicular to braking cylinder axis via shaft bearing in body. Control lever is intended to initiate shaft rotating movement which is transformed into parallel to braking cylinder axis linear movement of support roller installed with possibility to rotate by means of support roller bearing on parallel to shaft axis of rotation by means of cam. The cam has working surface interacting with radial outer surface of support roller during clamping or releasing travel of parking brake. Cam working surface is made as portion of cylinder surface circumference the central axis of which performs circular trajectory of movement around shaft axis during clamping or releasing travel of parking brake. |
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Adjustment device for disk brake mechanism Invention refers to an adjustment device for a disk brake mechanism. The adjustment device (1) is intended to control wear of brake pads (23) and pneumatically controlled disk brake mechanism (20) with a brake disk (20). The adjustment device (1) is actuated by a rotating lever of a clamping device. The clamping device can be inserted into an adjustment screw (25) of the disk brake mechanism (20). The adjustment device (1) comprises a connection ring (8) for coupling with a bush (14) made from resilient material which is engaged with the adjustment screw (25). A blocking unit is installed between the adjustment screw (25) and the adjustment device (1) and forms a limiter in the tangential direction in relation to the direction of rotation for the adjustment screw (25). |
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Invention relates to disc brake. Proposed brake comprises brake beam calliper (1) surrounding the brake disc (2) and brake shoe-linings (3) to be pressed against disc (2) both sides, one can be actuated on clamp side by the cam of clamping device brake lever (5) turning about the pin. Besides, this brake comprises the self-reinforcing device that features self-reinforcement factor selected so that after braking this brake releases automatically. Compressed air brake cylinder push-rod can act on lever (5). Said lever (5) thrusts on at least one ball-like support element (10) in calliper (1) that makes the cam pivot pin. Said element (10) abuts on support ball (9) located in direction of push-rod action above support element (10) and positioned in brake plunger (6) connected with lining (3) located on clamp side. Pressure plungers (7) are arranged on both sides of plunger (6) and spaced apart. One end of said pressure plunger rests on clamp (1) while opposite end thrusts via support ball (16) on lining (3). Pressure plunger (7) is secured in guide plate (4) arranged to displace to the axis of brake disc (2) in the brake mechanism shield (8). |
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Invention relates to disc brake. Propose brake comprises brake external clamp (1), brake shoe linings (2) to be pressed against brake disc, one being driven by brake lever (5) that turns about clamp cam pin. Brake rod (6) abuts on the clamp from end side, said rod being connected from opposite side to lining (2) from clamp side or to guide plate (9) connected therewith. It comprises two spaced apart pressure rods (4) located in one direction connected to clamp (1) and lining (2) or to guide plate (9), and self-booster. Clamp (1) has hemisphere-shaped bearing seats (13, 15) accommodating plain bearing elements (14, 16) fitted therein for brake lever (5) and pressure rod (4) to thrust by their side bent off lining (2) against clamp (1). Brake rod (6) is coupled with lining (2) and latch. |
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Disc brake includes a calliper, an actuating mechanism and a fastener to fix an actuating mechanism on the calliper. Functional holes of the calliper and the actuating mechanism serve for connection of the actuating mechanism to a clamping device. The fastener is designed so that the second flange surface in the area located between the second functional hole and the fastener can be bent or deformed against elastic restoring force, and the restoring force can bring the second flange surface in individual sections to the pre-tension state in the direction to the first flange surface. The disc brake calliper, in which the first flange surface between the fastener and the functional holes is not flat. The actuating mechanism of the brake, in which the second flange surface between the fastener and the functional holes is not flat. |
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Disc brake consists of shoe body, shoe friction linings, brake disc, mechanism with two bell cranks and springs, brake air cylinder and pins of said bell cranks. Brake disc is fitted at mounted axle of transport facility. Disc brake comprises friction discs arranged at both sides of friction disc that make, along with shoe friction linings, at least three surfaces of friction. Inner friction discs are composed of segments secured at body axle. Outer friction discs are composed of segment rings secured at brake disc axles with straps coupling said segments by screws. Friction discs comprises extra springs fitted at axles to make clearance over friction surface. |
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Automatic slack adjuster includes a casing in which there provided is a hole into which a breaking cam shaft is inserted, a worm gear having the possibility of being engaged with a breaking worm shaft, a drive of a slack adjuster, a lever of the breaking drive and an assembly of one-sided coupling. Assembly of one-sided coupling includes a supporting arm, a supporting bracket attached to the supporting arm without any rotation possibility, a side plate, a gear and a one-sided clutch. The supporting arm has a hole into which a break cam shaft is inserted. The hole in the supporting arm is located coaxially to the hole made in the casing. The sided plate and the gear are coaxially pressed between the supporting arm and the supporting bracket so that rotation of the side plate and the gear about a common axis is provided. One-sided latch is located on the supporting bracket and deflected in radial outside direction from one-sided teeth formed on internal radius of the gear. Teeth of the gear on the outside circumference of the gear of the one-sided coupling are engaged with an adjusting screw that will transfer movement of the gear to the slack adjuster drive. |
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Disk braking mechanism with self-boosting, and brake pad Disk braking mechanism with self-boosting includes a clamp of disk braking mechanism, which is retained on a stationary support of disk braking mechanism, with brake pads, a self-boosting device and a brake plunger having the possibility of being brought into action by means of a brake lever, with a clamping device and with an adjustment device to adjust wear rate of brake pad and/or brake disk. Self-boosting device has a pressure plunger that adjoins the brake pad through an expanding support on end surface on the clamp side and that is located with its end zone facing the brake pad in a guide plate movably retained in the braking mechanism support. Expanding support in non-operating position of the self-boosting device is enclosed with sealing structure. Brake pad includes a cavity having a ramp outline, and pressure disk of the brake pad or another disk include a collar on the side facing from the friction pad, with a receiving element having the possibility of retaining pressure plunger. |
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Combined cylinder with force transfer mechanism that features variable transfer ratio Invention relates to machine building, particularly, to combine brake cylinders. Combined brake cylinder comprises cylinder of working braking mechanism, an active working brake, driven by working fluid displaced by piston and braking mechanism cylinder with spring energy accumulator, a passive parking brake. Piston of aforesaid braking mechanism cylinder with spring energy accumulator and rod of cylinder of working braking mechanism piston are aligned. In case piston stroke in aforesaid braking mechanism cylinder with spring energy accumulator increases power transfer ratio increases as well. Rail mounted vehicle disc type braking mechanism support unit incorporates said combined braking cylinder. |
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Invention relates to rolling stock brake systems. Disc brake comprises friction unit. Friction unit is composed of radial double-row thrust bearing with medium ring making the brake disc rigidly fitted on mounted axle while two thrust rings make linings. Said linings are pressed to medium ring by levers coupled with brake cylinder. Outer surface of medium ring and inner surfaces of thrust rings have taper grooves to accommodate the balls. |
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Railway vehicle brake caliper with eccentric shaft sealing system Proposed device comprises two levers arranged on opposed outer surfaces of casing and system of seals. Brake caliper levers are driven eccentrically by crank. Crank is fitted on eccentric shaft end side. Seal between casing and lever represents tight seal and comprises partially elastic bellow secured to case on one side, and, on opposite side, to brake caliper lever. |
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Method of controlling lifting machine brake (versions) and lifting machine Lifting machine comprises motor to drive lifting machine shaft 14. Machine brake 20 applies braking force to disc 22 coupled with machine shaft 14 to decelerate or stop said shaft. In compliance with one version, brake 20 actuates shifting element 38 to apply shifting pressure to tong-type braking mechanism to apply braking force to disc 22. Brake drive 48 with deformable material displaces to counteract shifting pressure to control adhesion between braking mechanism 32 and disc 22. Controller varies braking force applied to disc 22 to control input force on said deformable material. Position of braking element relative to rotary part is defined using material input signal magnitude. |
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Hydraulic brake with self-amplification Invention relates to machine building and may be used in automotive brake systems. Proposed device comprises moving coupling member. The latter is filled with hydraulic fluid to press brake clamp to braking surface. Said moving coupling member is connected with brake actuator to create pressure force introduced via coupling member into brake clamp. Brake clamp is connected via connectors with pressure pickup arranged on vehicle body and comprises thrust cylinder filled with hydraulic fluid interacting with thrust piston. Said cylinder is communicated hydraulic lines with brake actuator. Said cylinder is divided by thrust piston into thrust chamber and thrust discharge chamber. There are adjusting appliances to set braking force subject to preset magnitude by adjusting pressure difference between hydraulic pressure in thrust chamber and hydraulic pressure in thrust discharge chamber. |
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Hydraulically drive braking system with protection function Invention relates to machine building and may be used in automotive brake systems. Proposed device comprises guided connecting element, braking cylinder, braking piston, hydraulic pipeline and emergent braking means. Said guiding connecting element serves to press brake clamp lining against braking surface. Braking piston is coupled with connecting element. Hydraulic pipeline is communicated with braking cylinder. Emergent braking means driven by fluid medium and manually serve to communicate braking cylinder with hydraulic pipeline or pipelines. Emergent braking means comprise braking valve, mechanical and hydraulic transducers. |
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Compact disk brake block for railway vehicle Proposed disk brake block comprises two flanges with appropriate friction linings to allow friction against disk. Said flanges are articulated on ends of two levers driven by brake force source that comprises first piston displacing along first axis A. Brake block comprises also assembly to automatically control the gap between friction linings and said disk. First piston transmits braking force to pusher arranged inside aforesaid source to increase and transmit said force via said assembly and, along second axis B perpendicular to said first axis A, to ends of said levers perpendicular to those where said flanges are articulated with. |
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Invention relates to machine building, particularly, to braking equipment and may be used at transport facilities. Proposed electromechanical brake comprises brae shoes, case accommodating cup with spring coupled with motor. Said cup houses one or several springs arranged to get unclamped when acted on by electromagnetically controlled latches. Cup allows controlling its translation and is coupled with motor via toothed-surface tie rod, gear wheel coupled with tie rod, electromagnetic coupling and self-braking screw gear. Note here that latch control electromagnets, electromagnetic coupling and motor are connected with control unit connected, in its turn, with brake pickup and that indicating force exerted by cup on shoes. |
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Brake drive with wear compensator Drive consists of cylinder, of piston installed in cylinder, of fixing device in form of conic bushing with conic insertions arranged inside piston cavity, of un-breaking device in form of an elastic element installed between conic bushing and thrust ring movably positioned on cylinder guide, rigidly tied with cylinder, and of device for retracting piston into initial position. The elastic element of the un-breaking device is made as a compression spring. The thrust ring corresponds to press-on bush with radial orifices. The conic bushing of the fixing device is installed with a minimum clearance relative to end surface made inside the piston; the clearance ensures transfer of force of the compression spring to conic insertions. The conic insertions are movably installed in radial slots of the press-on bush and generate friction force along a cylinder guide deliberately overcoming force of the compression spring. |
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Drive mechanism of vehicle disk brake Drive mechanism of disk brake of vehicle includes bracket consisting of case and cover, brake drive shaft and screw gear installed in bracket, and also lever mounted on external side of bracket on brake drive shaft. A mechanism of automatic control of the brake including a driving link is installed inside the lever. The driving link of automatic control of the brake is arranged coaxially to the brake drive shaft and is kinematically coupled with the bracket. A movable in circumferential direction packing is positioned between the bracket and a controller of the drive lever so, that internal cavities of the bracket and the lever form a common cavity sealed from the side opposite to the bracket. |
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Invention relates to cam-driven block brakes and their components. Cam (38) has one or several ledges (62, 64) with multiple sections (62A-C, 64A-C) that feature various profiles in axial cross section. Varying the cam profile allows producing the cam with the extreme outer ends or apexes of the ledges with length exceeding that of common cams, the mechanical strength being preserved. Increased travel of brake shoes allows using brake shoe lining of increased thickness. |
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Disk brake and disk-stabilising element Disk brake comprises disk-stabilising elements, which are installed between every brake disk and hub or part joined to hub, without fixation and are arranged and installed with the possibility of deviation in axial direction in process of braking and creation of force that provides for axial return of brake disks in case of brakes release. Disk-stabilising element may have rectangular shape mainly, with two long sides and two short sides, by means of which short sides are installed in gaps between teeth or splines in brake disk. Disk-stabilising element may have two free lower ends, which are engaged with top of two adjacent splines or teeth of braking disk, and one upper bent end, which is engaged with base between two adjacent splines or teeth of braking disk. Disk-stabilising element may include helical spring, which is installed in braking disk gap, therefore both ends of helical spring pass radially from helical spring in opposite directions and end with brackets. Disk-stabilising element may be made of metal sheet having shape of "П"-shaped double-sided contour element with two branches, which are joined by base. |
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Chassis of military caterpillar vehicle Invention refers to armoured machinery and can be used in chassis of military caterpillar vehicles equipped with fire protection facilities. The chassis of a military caterpillar vehicle contain a frame, a power unit, a power gear including a fan drive with a friction clutch and a cooling system with a fan, and fire protection equipment with an automatic control unit. The fan is secured on a driving hub made with a friction surface. A pressure plate is designed so as to interact with the friction surface of the driving hub. A driven hub is made as a whole with a body of a bearing and is equipped with a cartridge located in its inner cavity and able to rotate around its axis. A chamber forming container is assembled in the cartridge; and an exploder as a source of pneumatic energy is installed in the said container. At that the container is designed with an orifice hole communicating the inner cavity of the container with the chamber and rigidly connected to the driven hub. A feature of electric blasting of the charge of an explosive substance of the exploder is secured to a flange of the container. The said feature is made as a lock with a core. The core is electrically connected with the said automatic control unit, and the lock is equipped with a spring which presses the core to a detonating cap of the exploder. |
Another patent 2528797.