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Method for disc braking device parameters optimisation Method consists in determination of mechanical component of friction power at initial parameters of friction pad form which component pad's volume wear rate is found. Actual lifetime of friction pad is determined from found value of wear rate. Then, lifetime increment value is assigned and optimal values of area, length of friction pad and brake disc roughness radius are determined. |
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Container comprises control element arranged at separate bed or at container vessel and connected via transfer assembly with container cover, and wheels. Besides, this container comprises the brake composed of a rod arranged in guides elastically connected with control element or transfer assembly to fir in toothed rim at wheel or wheels. |
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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. |
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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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Railway disc brake with electrically isolated brake-shoe lining holder Disc brake comprises disc and support. When actuated by brake lever, said support thrusts brake-shoe lining arranged at holder against brake disc. Brake lever and brake-shoe lining are articulated by hinge. Brake lever and brake-shoe lining are electrically isolated. |
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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. |
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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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Connecting device includes a housing, into which a rotating disc is placed. The housing has a plate-like component with an annular surface transmitting the force, which contacts the rotating disc. A medium cooling channel having an annular structure is formed with a side of plate-like component, which is opposite to the surface transmitting the force. The cooling medium channel has an inlet hole, through which medium enters the above channel and an outlet hole, through which cooling medium leaves the above channel. External radial section of the above channel is separated from internal radial section of the above channel with a section with a wall. The first and the second ribs are continued from the section with a wall through external radial part of the above channel, and the third and the fourth ribs are continued from the section with the wall through internal radial section of the above channel. Each of the ribs is located at some distance from the side of plate-like component located opposite the surface transmitting the force. Connecting device also includes the first and the second varieties of projections, which contact the side of plate-like component, which is opposite to the surface transmitting the force. |
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Annular disc brake, and method for increasing gripping force of brake shoe Annular disc brake includes a rotating disc and at least one disc shoe installed on each side of the rotating disc. Brake shoe or shoes on one side are connected to an axially guided load-carrying element of the brake shoe. The brake has a force transfer mechanism creating enhancement of increase in force between the axially driven element and load-carrying element. The method for increasing gripping force of brake shoe in annular disc brake consists in the fact that the first force is generated synchronously with the brake drive; at that, the first force has the direction that is parallel to rotation axis of the rotating disc. Also, rotating torque is generated using the first force; at that, rotating torque has the rotation centre that coincides with rotation axis of the rotating disc. Besides, the second force is generated using rotating torque; at that, the second force has the direction that is essentially identical to the direction of the first force and is higher than the first force. The second force is used for gripping of brake shoes on opposite sides of the rotating disc. |
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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 rolling stock brake support Proposed device comprises body, brake support, brake support levers, system of bearings and axial bearing. Levers are arranged on body outer surfaces directed in opposite directions to support eccentric shaft. Every lever may be driven by eccentric shaft crank. System of bearings is arranged between body and brake support lever. Eccentric shaft crank arranged at shaft end to extend from said body to rotate therein. Revolving eccentric shaft makes crack moving eccentrically relative to body to drive brake support lever. Axial bearing transfers axial forces from brake support lever to body. Axial bearing is located in zone of crank, between brake support lever and body, or part secured thereon. Axial force flow is directed from brake support lever directly to axial bearing and, therefrom, to body, or part secured thereon. |
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Disc brake comprises brake disc, brake shoes arranged on both sides of brake disc and extra brake pair. The latter consists of two electromagnets arranged on both sides of brake disc. Said electromagnets are connected by magnetic conductor. Windings of electromagnets are connected to control unit. |
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Disc brake, namely for auto truck Disc brake includes support of braking mechanism with brake disc. Support has the possibility of axial offset relative to brake disc and is fixed on shield of braking mechanism by means of two fasteners. Each fastener has one guide rigidly connected to shield of braking mechanism. For performing axial offset of braking mechanism support one fastener is located in sliding bearing and made in the form of floating bearing, and the other one is located in sliding bearing in the form of fixed bearing. Guide of fixed bearing along external periphery has the section which has the possibility of radial elastic deformation and against which the corresponding sliding bearing is partially borne with pretension. |
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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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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. |
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Braking clamp comprises two braking levers arranged opposite friction surfaces applied to appropriate lateral surfaces of vehicle wheels. Braking lever applies braking force to vehicle wheel by pressing braking clamp against friction surface. Pressure chamber confined by membrane is arranged in braking lever. Pistons displace braking clamp subject to membrane expansion in feeding compressed air into pressure chamber. Guide device guides pistons in direction perpendicular to friction surface. |
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Friction element and disk brake Proposed friction element comprises circular-shape bearing plate with radial ledge. Friction material is secured on said bearing plate to come in contact with brake disk face surface. Two-turn spring element made from wire has first and second arms and is attached to said radial ledge. Bearing plate radial ledge comprises also holes to receive coiled spring element. Note here that said different-length first and second arms of said spring are located on both sides of bearing plate. Note that said spring brings about asymmetrically-oriented force in direction of friction element front or rear part. |
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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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Fastener system has end brake plate mounted on axial element. The end brake plate has an orifice for axle with a section of tight fit wherein the axial element is installed. The section of tight fit has dimension smaller, than dimension of a corresponding segment of the axial element and a shape facilitating friction contact along whole surface of the tight fit section. An external border of the orifice for the axle has one break and a fixing device. The break is formed by forcing a crack in the end brake plate, due to this break the section of the tight fit can expands at fitting. The fixing facility is designed to decrease the break and to facilitate size of the tight fit section returning to in essence its initial value. The procedure consists in fabrication a work-piece of the end brake plate by casting with the orifice for the axle, in possible mechanical treatment of the orifice for the axle to form a flat section of the tight fit, in finishing the section of tight fit to required dimensions and in making the orifice on the external border of the orifice for the axis of break by forcing a crack on the end brake plate. A wheel suspension has the fastener system of the end brake plate mounted on the axial element. |
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Disk brake with smaller-size holder fork Proposed disk brake comprises caliper, holder secured to vehicle, friction appliances arranged on both sides of disk brake, detachable unit to secure friction appliances, and spring secured to friction appliance to joint first and second wings of caliper. Said caliper has extending part to embrace disk brake on both sides and is furnished with hydraulic cylinder with piston. Note here that caliper is arranged to move on the holder, while disk brake can rotate between said extending part and caliper piston. Holder represents a half passing on only one side of disk brake plane, while guide pins are arranged above disk brake perpendicular to its plane. Detachable unit is arranged partially in the first recess arranged in friction appliance one support and, partially, in second recess made in extending part of caliper and/or holder. |
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Railway rallong stock vehicle disk brake Invention relates to railway transport, particularly to disk-type brakes. Proposed disk brake consists of casing, friction linings, shoes and braking disk. Said casing is arranged on spring frame of vehicle with jaw-type parallelogram mechanism. Braking disk is fitted on vehicle wheel pair axle. Brake cylinder suspension is arranged on brake casing to translate and rotate thereon and consists of four elements. Journal, rod and spring are coupled with casing and brake cylinder by hinge pins. Moving support represents a frame made up of two-plates, two posts, two axles and four springs and can move along disk brake guide holes. Hinge pins pass through support holes, said pins coupling said support with jaw-type parallelogram mechanism and making points of bearing of the levers. Jay-type parallelogram is formed by moving support, short levers of jaw parallelogram, rockers and tie rods, and is secures at its apices by higher pins. U-like plate spring is secured to every rocker with the help of screw, spring flexible ends thrusting against appropriate shoe. |
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Invention relates to automotive industry, particularly, to disk brakes. Proposed disk brake consists of brake caliper and brake throw-in mechanism. The latter is encapsulated into brake caliper and incorporates booster to transmit braking force to push rod arranged to slide in the said brake caliper. It is furnished with pressure plate, fitted on its end on the brake disk side, to transmit braking force to brake disk with the help of brake shoe lining holder and brake shoe lining. Aforesaid pressure plate is jointed to the brake shoe lining holder so that, in applying and releasing the brake, aforesaid push rod shifts from the axis and moves in the brake caliper with the help of aforesaid holder. The latter can move radially and tangentially in the said caliper or said holder. There are appliances to joint the disk brake throw-in mechanism with the push rod pressure plate, on the side opposite the brake shoe lining. |
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Protective shield for disk brake and disk brake unit Protective shield comprises braking disk mounted on the shaft of the wheel of a vehicle and brake jaw provided with a pair of brake suspensions, means for mounting the shield in the vicinity of the brake disk, protecting plate, and member of fastening cantilever that supports the plate. The member is provided with faces that cooperate with the fastening lugs made in the brake suspensions. The protecting plate and member are made separately and then are assembled. The disk brake unit comprises brake jaw provided with a pair of brake suspensions and protecting shield. The brake is suspended with fastening lugs made in protecting shield. |
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Disk brake comprises braking mechanism, support that embraces the braking disk and is provided with the recess for receiving the braking mechanism, lever that affects the transverse rack and carries two stop units having shaft for control and recovering of the initial position, stop screws, lid, and synchronizing mechanism for synchronizing the motion between the stop units. The shafts are threadedly connected with the stop screws. Each of the stop screws is made for permitting cooperation with the stop plate. The lid overlaps the recess made in the support. The synchronizing mechanism is interposed between the lid and transverse rack and is made for permitting movement together with the transverse rack when braking. |
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Disk brake contains body for positioning braking mechanism on it and support, detachably connected to body. Disk brake is formed of various modules. Body acts as supporting means for fastening other modules. One of modules is formed by support together with at least three guiding fingers. Lid of braking mechanism is strongly connected to body. Seal is positioned and compressed during assembly between lid and body. |
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Brake mechanism comprises two pivotally interconnected levers and two opposite brake blocks secured to the levers for permitting periodical interaction with the rotating disk. The brake mechanism is provided with air-operated cylinder mounted at one of the ends of the lever so that its housing is secured to one of the levers and the rod is secured to the other lever. The brake blocks are mounted at the second end of the levers whose pivot joint is interposed between brake blocks and air-operated cylinder. One of the brake blocks is made of a current-carrying bus spring-loaded with respect to the lever for permitting connection with a power source. The levers are spring-loaded one with respect to the other by means of an extension springs interposed between the pivot joint of levers and air-operated cylinder. The rotating disk is made of two members whose bases are rigidly interconnected. One of the members is mounted for permitting contact with the current-carrying bus, is made of a conducting material, and is provided with a member for releasing voltage . |
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Vehicle brake, method of measuring brake torque and brake torque meter Invention can be used in vehicle brake systems and also at designing of brake mechanisms. Proposed brake contains brake member made in form of drum or disk, drive and brake shoes with friction layer. Brake shoes are made in form of calipers with movable members carrying friction layer. Movable members are installed on calipers for limited displacement. Brake torque meter contains displacement pickup installed inside brake. Said displacement pickup is made in form of ring with inductive sensor. Ring engages by one side with movable member carrying friction layer and by other side, with caliper. Method of measuring of brake torque includes measuring of displacements or displacements or deformations of parts or units of brake appearing in process of braking and conversion of said displacements into electric signal proportional to brake torque. Displacement of movable member carrying friction layer is measured relative to caliper. |
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Disk brake with brake mechanism Proposed disk brake contains caliper enclosing brake disk and provided with cavity for mounting brake mechanism. Brake mechanism has support bracket installed inside in port in caliper wall furthest from brake disk. Brake mechanism is provided with adjuster, adjusting shaft and shaft for restoring initial position. Device is used to transmit motion between shafts to adjust and restore initial position. Adjuster is set into operation by pin of lever arranged on brake mechanism lever and is installed in support bracket at assembling. |
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Disk brake comprises braking disk, active and reactive braking blocks, support, and mechanism for releasing braking blocks. The mechanism is the cam-roller type. The drive of the reactive block is made of a floating frame composed of active and reactive beams interconnected through the ties. |
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Guiding spring for friction members Spring comprises setting device that cooperates with the corresponding setting device of the support of springs and brake blocks which is made of a clamp. The interaction of the setting device of the spring and support causes their engagement and blocking thus allowing the spring to secure to the support. The spring should be secured to the support be means of one its end, the other end being free so that, before setting the friction member, this end is spaced from the support. The disk brake has at least one spring. |
Another patent 2528978.