Disc brake for truck

FIELD: machine building.

SUBSTANCE: invention relates to disc brakes. Disc brake for commercial vehicle comprises a brake caliper, a clamping device, at least one adjustable spindle and an adjusting device. Brake caliper extends over a brake disk. Clamping device presses the brake pads against the brake disc. Adjusting spindle rotates by is rotatably mounted in a bridge by means of a corresponding thread, the clamping device engages the bridge.

EFFECT: to increase the reliability.

9 cl, 2 dwg

 



 

Same patents:

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

FIELD: transport.

SUBSTANCE: invention relates to transport machine building, particularly, to disc brakes. The disk braking mechanism includes support, clamping device, two adjusting screws, regulating device and cylindrical gear wheel segment located on brake lever and passing in direction of its turning. The clamping device has brake lever and is located in support of disk braking mechanism. Two adjusting screws are located in parallel and independently from each other with possibility to be moved in axial direction by means of clamping device. The regulating device is positioned in support of disk braking mechanism, made capable to be actuated by brake lever and to compensate for change of air gap between brake pad and brake disk which change is associated with wear. This compensation is performed by means of adjusting screw axial displacement. To implement regulation the cylindrical gear wheel segment is engaged with gear with end teeth which gear is in working connection with adjusting screw. The gear is nonturnably fixed on driving screw installed with possibility of rotation at the centre between adjusting screws which driving screw provides possibility to actuate adjusting screw via reducing gear. The cylindrical gear wheel segment is monolithically connected with brake lever made as moulded piece.

EFFECT: improved technical characteristics of device and simplification of its manufacturing.

3 cl, 2 dwg

FIELD: machine building.

SUBSTANCE: 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).

EFFECT: limitation of return rotation of the adjustment screw is provided.

6 cl, 13 dwg

FIELD: transport.

SUBSTANCE: invention relates to machine building, particularly, to disc brakes. Air controlled disc brake comprises support, brake cylinder and self-booster. Brake support comprises brake shoes arranged on clamp side and counteraction side. Brake cylinder can be loaded with compressed air to generate braking force and to act on clamp for clamping the brake shoe. Said clamp comprises rotary brake lever. Brake shoe on clamp side can displace both parallel with brake disc rotational axis and with brake disc friction surface. Self-booster features boost factor selected so that brake automatically releases after braking. Said factor is smaller than or equals 2.2.

EFFECT: higher reliability, safe and faultless design.

13 cl, 5 dwg

FIELD: transport.

SUBSTANCE: set of invention relates to automotive industry, particularly, to disc brakes. Adjustment device comprises connecting sleeve. Connecting sleeve consists of the sleeve and connecting insert to be fitted axially therein with geometrical closure, and disc brake. Pneumatic disc brake comprises adjustment device with connecting sleeve.

EFFECT: better operating performances, compact and strong device.

8 cl, 5 dwg

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Device for control over air-operated disc brake lining and brake disc wear comprises clamp arranged to be actuated by rotary lever. Pressure device can be fitted in disk brake setscrew and mounted at disk brake mechanism by means of thrust ring. Thrust bearing is arranged axially on one side of drive ring while bearing ramp clutch with free running function is arranged on opposite side. Said clutch comprises bearing, drive ring arranged on one axle between thrust bearing and clutch bearings ion drive side, and coupling ring on power takeoff side. Taper bush is arranged between said coupling ring and cylindrical spring sleeve. Torque-dependent clutch with retaining section is fitted on axle between said taper bush and spring sleeve. Air operated disc brake incorporated abode described adjustment device.

EFFECT: precise adjustment, perfected manual return mechanism.

9 cl, 6 dwg

FIELD: transport.

SUBSTANCE: adjustment device intended for compensate for brake-shoe lining and air-operated disk brake disk is activated by rotary lever. Pressure device can be fitted in disk brake setscrew and mounted at disk brake mechanism by means of thrust ring. Axial bearing is fitted axially on driven ring side while coupling with ball ramp with free running function. Said coupling comprises balls, driven sleeve located on drive side between axial bearing and its balls and clutch ring arranged on power takeoff side. Tape coupling is arranged between said clutch ring and cylindrical spring guide sleeve. Said clutch ring forms turn working angle (αA) confined by at least one thrust.

EFFECT: compact design, ruled out clutch ring slip.

8 cl

FIELD: machine building.

SUBSTANCE: adjustment device for tuning to wear of brake pads and brake disk of pneumatic disk brake is brought into action with pressure device by means of a rotating lever. Pressure device has the possibility of being introduced to an adjustment screw of disk brake. Axial bearing is installed along the axis on the side of a drive ring, on the opposite end of which there installed is a ball coupling with a ramp for balls with free travel function. The above coupling with ramp includes balls, drive sleeve located on the drive side along the axis between axial bearing and its balls, and coupling ring located on power takeoff side. Conical coupling is located between coupling ring located on power takeoff side and guide sleeve of spring for cylindrical spring. Conical coupling has coupling ring located on power takeoff side and conical sleeve connected to guide sleeve. Clamping balls are located between coupling ring and conical sleeve.

EFFECT: creation of a compact design and improvement of operating reliability of the device.

10 cl, 6 dwg

FIELD: transport.

SUBSTANCE: 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.

EFFECT: reduced thermal load and wear of disc brake friction pair.

4 dwg

FIELD: transport.

SUBSTANCE: 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.

EFFECT: higher operating performances.

12 cl, 7 dwg

FIELD: transport.

SUBSTANCE: invention relates to railway transport, particularly, to rolling stock braking equipment. Proposed device comprises brake shoe to apply friction force by sliding in contact with disc, main case of tongs secured to vehicle and actuator to press brake shoe to disc. Said actuator comprises resilient film secured to tongs main case, drive pressure chamber composed by resilient film to receive fluid, valve feeding said fluid into said chamber and piston arranged between resilient film and brake shoe. Fluid is fed into drive pressure chamber to expand said film towards brake shoe so that piston drives the latter to sliding contact with disc. Said valve feed fluid into drive pressure chamber at brake operation and confines fluid discharge therefrom at brake release.

EFFECT: ruled out abrasion of brake shoe at invariable costs and weight.

4 cl, 5 dwg

FIELD: transport.

SUBSTANCE: invention relates to air transport, specifically to electromechanical drives of aircraft brakes. The unit consists of two modules installed on flange fixed on wheel axle. Each of the modules has body, thrust plunger, screw mechanism located in the body, electric motor connected with screw drive reducing gear. In the inside axial cavity of the screw, electric motor with rotor is installed. On one of electric motor shaft ends, wave former of the first stage of double-stage harmonic reducing gear and wave former incorporating separator of the first stage of harmonic reducing gear are placed. The separator is connected with electric motor body and has the first intermediate rotation bodies interacting with separator incorporating rigid wheel, with inner waved surface. Rigid wheel of the second stage has shaft installed coaxially with electric motor rotor which shaft has wave former of the second stage of harmonic reducing gear, with separator connected with electric motor body which separator has the second intermediate rotation bodies. Part of screw surface incorporating harmonic reducing gear second stage wave former has inside waved surface.

EFFECT: decreased unit dimensions, higher unit efficiency and reliability.

4 cl, 4 dwg

FIELD: transport.

SUBSTANCE: invention relates to machine building, particularly, to disc brakes. Air controlled disc brake comprises support, brake cylinder and self-booster. Brake support comprises brake shoes arranged on clamp side and counteraction side. Brake cylinder can be loaded with compressed air to generate braking force and to act on clamp for clamping the brake shoe. Said clamp comprises rotary brake lever. Brake shoe on clamp side can displace both parallel with brake disc rotational axis and with brake disc friction surface. Self-booster features boost factor selected so that brake automatically releases after braking. Said factor is smaller than or equals 2.2.

EFFECT: higher reliability, safe and faultless design.

13 cl, 5 dwg

FIELD: transport.

SUBSTANCE: 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.

EFFECT: perfected simple design, lower costs, longer life and higher reliability.

7 cl, 4 dwg

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. Proposed mechanism comprises support surrounding brake disc and brake linings abutting on brake disc on both sides. One of said linings on clap side can be actuated by clamp rotary lever. Disc brake support flange accommodates brake cylinder secured thereto to receive compressed air. Said cylinder can act on said rotary lever by cylinder rod and has return spring. Cylinder rod is displaced by spring back into free state to abut on the flange or on bottom resting on cover flange. Said flange makes the return spring support. Cover is made of thin-wall sheet of stable-shape metal foil. Concentric hole is made in said cover. In compliance with first version, brake mechanism cylinder has said cover makes form the preassembled assy without cylinder rod. In compliance with second version, brake mechanism cylinder return spring abut on thin-wall cover abuts on brake mechanism disc flange to made its support.

EFFECT: longer life.

17 cl, 5 dwg

Crank press brake // 2504474

FIELD: process engineering.

SUBSTANCE: invention relates to machine building and may be used in crank press brakes. Said brakes serve to absorb energy of press clutch drive part after clutch is disengaged and to retain actuator jointly with drive part in position that corresponds to press slider to position. Brake comprises bearing, drive and pressure plates, pressure plate drive and cover. Drive is composed of modules. Every module comprises slider and end motor with inner and outer ring-like stators. Stators are mounted at press bed to get in magnetic contact with disc rotor. Rotor shaft is engaged via planetary reduction fear and torque converter with slider.

EFFECT: simplified design, accelerated operation.

2 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

FIELD: machine building.

SUBSTANCE: 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.

EFFECT: increasing brake compactness and providing uniform distribution of braking force in a circumferential direction of the rotating disc.

20 cl, 12 dwg

FIELD: mechanical engineering.

SUBSTANCE: modular brake mechanism mounted in the support provided with the port at least in its front side comprises braking lever, front rack that is connected with the braking lever when the brake operates, and at least one stop plate which is mounted on the transverse rack and overlaps the plate for closing the port in the front side of the support. The transverse rack moves by the lever in the plane virtually perpendicular to the plane of the brake disk. The brake mechanism is modular and comprises two or more units. At least one of the units has at least two members. Each of the units can be dismounted through the port in the support.

EFFECT: facilitated dismounting of out-worn units.

6 cl, 7 dwg

FIELD: mechanical engineering; disk brakes.

SUBSTANCE: 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.

EFFECT: improved synchronization of adjusting motion between two thrust units of brake mechanism, provision of compactness, facilitated servicing of brake mechanism.

10 cl, 8 dwg

FIELD: transport.

SUBSTANCE: invention relates to machine building, namely, to disc brakes. Disc brake comprises support, clamp, retainer to accommodate the latter for it to displace on said support, seal secured at the recess in retainer and device to pre-stretch said seal in said recess. Said device is actuated at fitting the retainer in place.

EFFECT: simplified production.

14 cl, 5 dwg

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