1877results about "Axially engaging brakes" patented technology

A brake apparatus for a vehicle may include: a torque member having a pair of brake pads installed therein and spaced apart from each other, and configured to surround a brake disk; a caliper configured to cover the torque member, and having a gravitational center adjuster configured to adjust the position of a gravitational center toward the brake disk; a pair of guide rods configured to connect the torque member and the caliper, such that the caliper is slidably coupled to the torque member; and an actuator mounted on the caliper.

An electromechanical braking system with wear compensation and a vehicle. The electromechanical braking system includes a caliper body, two friction plates, a gain bridge, a stud, and a drive apparatus, the gain bridge, one friction plate, the other friction plate, and the stud are arranged sequentially, the gain bridge is configured to movably connect the caliper body and the one friction plate, and the stud is configured to drivingly connect the caliper body and the other friction plate; the drive apparatus is configured to: drive the gain bridge and the one friction plate, and drive the stud and the other friction plate; and the drive apparatus is further configured to drive, through a unidirectional torque limiting apparatus, the stud to rotate relative to the caliper body along an axis of the stud. The embodiments improve reliability of the electromechanical braking system.

The utility model provides a wheel hub motor parking mechanism which comprises a base, a locking disc, a clamping jaw and a linear push-pull mechanism, and the base is fixed to the side, not rotating along with wheels, of a wheel hub motor; the locking disc is rotationally arranged in the base and fixed to a rotating shaft of the hub motor, the locking disc comprises a protruding block, and the protruding block deviates from the axis of the rotating shaft of the hub motor; the number of the clamping jaws is two, the opposite ends of the clamping jaws are hinged into the base, and the protruding block selectively abuts against one of the two clamping jaws. According to the hub motor parking mechanism, the locking disc and the clamping jaw are arranged, parking torque generated by traditional friction force is changed into a parking top block limiting mode to provide the parking torque, the parking torque is formed more easily, and after the forming mode of the parking torque is changed, the parking torque is not limited to the friction force between the brake disc and the parking mechanism any more; instead, depending on the yield limit of the material, larger parking torque is provided by fully utilizing structural characteristics and material characteristics, and the number of parts of the parking device is reduced.

The present disclosure relates to a brake calliper for a disc brake. The brake calliper comprises a supporting structure, a cover with a pin, and a fixing disc. The supporting structure has a bridge and at least one bridge finger which has a brake lining side, an outer side and a bore which is incorporated into the outer side and which runs from the outer side in the direction of the brake lining side. The cover has a pin protruding into the bore. The fixing disc has a disc edge which has an outer diameter D and which is positively held in the bore and with a disc center which has a through-opening, through which the pin protrudes. The disc center has a clamping region which is bulged relative to the disc edge in the direction of the brake lining side and which fixedly clamps the pin in the through-opening by a clamping edge. The disclosure also relates to such a fixing disc itself.

The utility model discloses a belt drive compact shelving manual driving device with a novel braking mechanism, a belt wheel braking mechanism is arranged above a transition belt wheel, the belt wheel braking mechanism comprises a support and a sliding unit, the support is fixedly connected with an integrated board, the sliding unit is connected with the support in a sliding mode, and the sliding unit is connected with the transition belt wheel in a sliding mode. The sliding unit spans the two ends of the transition belt wheel, one end of the sliding unit is fixedly connected with an electric push rod, the electric push rod is slidably connected with the support, the driving end of the electric push rod is fixedly connected with a first friction plate, and the other end of the sliding unit is fixedly connected with a second friction plate. The brake device is ingenious in structure, the first friction plate and the second friction plate clamp or loosen the transition belt wheel through the telescopic action of the electric push rod, and therefore the brake function or the brake release function of the transition belt wheel is effectively achieved. The braking force of the braking mechanism is not radially acted on the wheel groove of the transition belt wheel, but acts on the end faces of the two sides of the transition belt wheel, and the belt wheel groove and the belt wheel shaft cannot be damaged.

A brake pad set (22) for disc brakes is shown, comprising an inner brake pad (24) and an outer brake pad (26). Each of the brake pads (22, 24) has a backing plate (28) and a brake lining (30, 32) attached to the backing plate (28), which comes into contact with a brake rotor during operation. The inner brake lining (30) and the outer brake lining (32) differ in size and preferably also in geometric shape in top view, wherein the wear volume of the inner brake pad (24) and the wear volume of the outer brake pad (26) differ by less than 10%. Furthermore, a vehicle brake (10) with such a brake pad set (22) is shown.

Disclosed herein are an electro-mechanical brake system and a controlling method thereof. The electro-mechanical brake system according to the present embodiment includes a driving part including a motor configured to generate a driving force and a brake pad configured to brake a vehicle or release braking by moving forward and backward with respect to a disc by the motor, a sensor part including a first sensor configured to output a signal corresponding to a stroke of the motor, a second sensor configured to output a signal corresponding to a force applied from the disc to the brake pad, and a third sensor configured to output a signal corresponding to an active brake condition of the vehicle, a controller configured to estimate and update a contact point between the disc and the brake pad, whenever a braking input of the brake pad or release thereof occurs.

A pipeline plug includes a plug body. The plug body includes an outer housing. The interior of the outer housing defines a pressure vessel. The pipeline plug includes a pressure head coupled to the plug body, a seal assembly, a gripper assembly, a movable head, and an actuation mechanism. The actuation mechanism includes a leadscrew, the leadscrew coupled to the movable head. The actuation mechanism includes a captive nut, the captive nut positioned within the pressure vessel. The actuation mechanism includes a motor, the motor operatively coupled to the captive nut and adapted to rotate the captive nut.

The invention discloses a water-cooling and air-cooling combined heat dissipation type double-brake system and a brake control method, and the brake system comprises brake discs arranged corresponding to wheels; the two brake execution assemblies are arranged on the two sides of the brake disc correspondingly, each brake execution assembly is provided with a plurality of brake pad sets arranged in the circumferential direction of the brake disc, and the brake pad sets are driven by hydraulic assistance generated by a hydraulic booster to be pressed on the surface of the brake disc so as to execute the braking action; a heat dissipation air opening penetrating through the inside and the outside is formed in the brake execution assembly; the double-atomization assembly is borne by the brake execution assemblies and used for supplying wind power and atomized water into the brake execution assemblies; the double-atomization assembly comprises a mounting shell sleeve; the atomizing nozzle is connected with a high-pressure water pump; a high-speed fan; a temperature sensor; and a main controller. The braking force can be greatly increased, the braking effect is improved, heat dissipation is uniform, and the excellent heat dissipation effect is achieved.

A brake pad retainer arrangement for holding a brake pad in position relative to a disc in a disc brake. The arrangement comprises an elongated retainer bracket arranged to extend transversely over the disc and the brake pad, wherein the retainer bracket is spring loaded to press against a rim portion of the brake pad. The retainer bracket is also arranged to engage the rim portion at an angle, thereby biasing the brake pad in a direction away from the disc.

To reduce the size of a power transmission device.SOLUTION: A power transmission device includes: a gear 52P for first engagement which is rotated on a rotation axis by a motor; and a first pressing shaft 51 which is movably arranged in an axial direction and selectively presses a first brake B1 and a second brake B2. The first pressing shaft 51 rotates the gear 52P for first engagement in a first direction R1 from a non-engagement state in which each of the brakes B1 and B2 is not engaged, thereby moves the first pressing shaft 51 toward the first brake B1 by a first screw part 62, presses the first brake B1 and is brought into a first engagement state in which the first brake B1 is engaged, rotates the gear 52P for first engagement in a second direction R2 from the first engagement state, thereby moves the first pressing shaft 51 by the first screw part 62 so as to be separated from the first brake B1 in the axial direction, and releases pressing of the first brake B1 and is brought into the non-engagement state.SELECTED DRAWING: Figure 2

The present disclosure relates to a force transmission apparatus for a disc brake, The apparatus comprises an actuation element, a brake liner arrangement having a brake liner and a carrier plate, and a pressure element. The pressure element has a thickness which extends toward the actuation direction, a length extending in a tangential direction of an associated brake disc in an installed state and a width which extends in a radial direction of an associated brake disc in the installed state. The pressure element has a force input side operationally connected to the actuation element and a force output side. The force output side has contact regions spaced apart from each other and operationally connected to the carrier plate. The force output side has a region which is recessed into the pressure element. The recessed region has a first reinforcement web which connects the contact regions to each other such that the first reinforcement web is not recessed or is recessed less than the recessed region.

The invention relates to a brake pad or a disc brake caliper, comprising a support plate receiving a friction material. According to the invention, the support plate is made from low-alloy carbon steel containing less than 0.3% by weight of carbon and vanadium in an amount between 0.2 and 0.3% by weight.

An actuator for a heavy vehicle foundation brake (e.g. disc or drum brake), and a brake assembly, vehicle and method including the actuator. The actuator includes: an (output) pushrod 30, 230a to inte

The invention relates to a brake module (100) for a vehicle flap drive system with at least one first friction partner (130) and at least one second friction partner (160, 170), wherein the friction partners (130, 160, 170) each have at least one friction surface (140, 150, 180, 190) which rub against one another during braking operation, wherein the first friction partner (130) is formed in one piece from a plastic with a carbon fiber content.The invention further relates to a vehicle flap drive system comprising a brake module (100).

This application provides an electro-mechanical brake apparatus (100) in which a lead screw (21) embeds or is embedded in an output shaft (31), and a vehicle. The electro-mechanical brake apparatus (100) includes a brake caliper (10), a ball lead screw (20), and a speed reducer (30). The ball lead screw includes the lead screw (21) and a screw nut (22), the speed reducer (30) includes the output shaft (31), one end of the output shaft (31) is configured to drive the lead screw to rotate, the screw nut is configured to move with rotation of the lead screw in an axial direction of the lead screw, and the brake caliper (10) is configured to: fasten the speed reducer (30) and accommodate the lead screw (21) and the screw nut (22). An end face of the lead screw (21) faces the speed reducer (30) in the axial direction of the lead screw, and the end face includes: an axial groove, where the one end of the output shaft is configured to be embedded in the axial groove in the axial direction of the lead screw, and the axial groove is configured to be in transmission connection to the one end of the output shaft (31); or an axial protrusion, where the axial protrusion is configured to be embedded in or nest the one end of the output shaft (31) in the axial direction of the lead screw (21), and the axial protrusion is configured to be in transmission connection to the one end of the output shaft (31).

The disclosure relates to a brake caliper guide for a floating caliper disk brake, comprising at least one guide pin attached to a brake caliper, having a head and a shaft, a brake carrier having at least one guide bore which has an entry region and a bore depth extending into the brake carrier, and a guide device inserted into the entry region of the guide bore having a sliding sleeve arranged in an elastomer sleeve 40. The shaft of the guide pin is mounted in a longitudinally displaceable manner in the sliding sleeve such that the head is located outside the brake carrier. The region of the shaft which is located on the side of the guide device oriented toward the bore depth projects into the guide bore. The end face of the sliding sleeve which is oriented toward the outer face of the brake carrier has a first collar which extends radially outwardly. The elastomer sleeve overlaps the sliding sleeve and adjoins the first collar and is delimited in the longitudinal extent thereof by this collar, and / or the end face of the sliding sleeve, which is oriented toward the outer face of the brake carrier, has a first collar which extends radially outwardly. The end face of the sliding sleeve has a second collar which extends radially outwardly. The elastomer sleeve is arranged between the first and the second collar and is delimited in the longitudinal extent thereof by the collars.

An embodiment of the present invention provides a caliper-type electrostatic precipitator comprising: a caliper unit for applying a braking force to a brake disk; a dust collection unit, spaced apart from the caliper unit, for electrostatically collecting particles generated by friction between the brake disk and a caliper; and a guide unit capable of covering the space between the caliper unit and the dust collection unit and providing a movement path for the particles.

The invention provides a vortex hydraulic segmented disc brake, and belongs to the technical field of brakes. The brake disc is rotatably mounted on the brake frame, and one end of the brake disc is used for being connected with a roller of the belt conveyor; the brake assembly comprises an electromagnetic induction brake part and a hydraulic brake part and is arranged at the two ends of the brake disc; when the brake brakes, and the rotating speed of the brake disc is higher than a first preset rotating speed, the electromagnetic induction brake part performs electromagnetic eddy current braking on the brake disc; when the rotating speed of the brake disc is lower than the first preset rotating speed and higher than the second preset rotating speed, the electromagnetic induction brake part and the hydraulic brake part jointly brake the brake disc; and when the rotating speed of the brake disc is lower than a second preset rotating speed, the hydraulic brake part performs friction braking on the brake disc. Sparks and abrasion generated during traditional friction braking are reduced, the service life of the brake disc and the service life of the brake block are prolonged, and the safety of underground operation of the mining belt conveyor is remarkably improved. The invention further provides a belt conveyor.

An electromechanical brake actuator (10) for a brake of a vehicle (100) has a brake tappet (14) that can be moved substantially translationally for transmitting a compressive force (F) in the direction of a brake pad (6, 6′), a drive member (16) that generates a drive movement (A) and a coupling gear (18) that operatively connects the drive member (16) to the brake tappet (14). The coupling gear (18) converts the drive movement (A) of the drive member (16) into an adjustment movement (B) of the brake tappet (14). The coupling gear (18) has a coupling member (38) in contact with the brake tappet (14) that moves along a cam path (40, 60) and converts the substantially uniform drive movement into an adjustment movement (B) of the brake tappet (14) at, in portions, a non-uniform adjustment speed (B′).

A brake system (10) comprising: a brake caliper (12) supporting a brake pad (14), and having a first brake piston (24) and a second brake piston (28) that are configured to move the brake pad; a first rotary to linear stage mechanism (32) connected to the first brake piston, and a second rotary to linear stage mechanism (34) connected to the second brake piston; a motor (42) configured to generate torque; a torque distributing assembly (40) configured to receive torque from the motor and then distribute the torque from the motor to the first rotary to linear stage mechanism to move the first brake piston and / or to the second rotary to linear stage mechanism to move the second brake piston; wherein the torque distributing assembly comprises: i) a first driving gear (44) connected to the first rotary to linear stage mechanism; ii) a second driving gear (46) connected to the second rotary to linear stage mechanism; iii) a first set of planet gears (72) supported on respective first axles (74); iv) a second set of planet gears (98) supported on respective second axles; and v) a first carrier plate (88) having a plurality of support features each configured to support a respective one of the first axles and a respective one of the second axles.

The invention concerns a disc (40) for a disc brake (30).According to the invention, the disc (40) is made of steel containing less than 0.3% by weight of Carbon.

A detection device for simultaneously detecting tangential and normal components of a force acting at a brake caliper or suspension of a vehicle wheel has a plate-shaped casing having a force sensor assembly for detecting normal and tangential force components and for generating one or more electrical signals representative of detected normal and tangential force components. The detection device has an electrical interface for conducting and making the one or more generated electrical signals available. A device and a system for determining a braking force due to action of a vehicle brake caliper and a brake caliper system with a braking force estimation function are also provided. Methods for simultaneously detecting tangential and normal components of a force acting at a brake caliper or exchanged between an axle and a suspension of the wheel and for determining a braking force due to action of a vehicle brake caliper are also provided.

The invention discloses a low-liquid-volume automobile brake caliper and a liquid casting and forging forming method, and relates to the technical field of automobile brake calipers and casting and forging forming, the low-liquid-volume automobile brake caliper comprises a caliper body and a caliper body support, bolts are arranged on the left side and the right side of the caliper body and the left side and the right side of the caliper body support, and the bolts are used for fixing the caliper body and the caliper body support; an oil cylinder is arranged in the center of the top of the caliper body, a piston is arranged in the oil cylinder, a brake block is arranged in the piston, an inner friction plate and an outer friction plate are embedded into the upper end and the lower end of the caliper body support respectively, a fixing ring is welded to the center of back steel on the top of the inner friction plate, and a first reset structure is arranged in the center of the fixing ring which is fixedly connected with the piston. Reset structures II are arranged at the two ends of the inner friction plate and the outer friction plate; through the reset structure, the idle stroke of the brake pedal is reduced, the dragging torque is reduced, the response speed of the brake system is increased, and the overall efficiency and performance of the brake system are improved.

The invention relates to an electric drive unit having an electric machine (EM) with a transmission, which electric machine can be connected to an assembly (300) via a connection (401), wherein the assembly (300) comprises at least one multi-disc brake (303) in each case, which multi-disk brake is arranged concentrically about axle side shafts (301), in a housing (25), wherein at least one brake piston (3) can be actuated hydraulically or electrically and moves axially parallel to the axle side shafts (301) in a part of the housing (25) against movable discs (12), and wherein cooling oil of the electric machine (EM) is applied to the housing (25) and the multi-disc brakes (303).

The present invention relates to a disc brake caliper (1) comprising a caliper body (2) arranged straddling a brake disc having a rotation axis defining an axial direction (A-A) and opposite friction surfaces, said caliper (1) comprising pads (3) accommodated in said caliper body (2) so as to slide substantially in an axial direction (A-A) with respect to the brake disc to act on said opposite friction surfaces, respectively, said caliper (1) comprising a cylinder (4), forming a cylindrical wall (5) and a bottom wall (6) transverse to the cylindrical wall (5), said caliper (1) further comprising a parking braking system (10), which comprises a rotating member (11); said rotating member (11) being rotatably accommodated in a rotation seat (12) formed in the bottom wall (6) of the cylinder (4) so that the rotating member (11) is rotatable about a rotation axis substantially parallel to the axial direction (A-A), wherein the cylinder (4) defines a first annular seat (13) made in the bottom wall (6), said first annular seat (13) extending into the bottom wall (6) in a direction transverse to the axial direction (A-A) and leading into the rotation seat (12), wherein the first annular seat (13) accommodates a first seal (15), and wherein the first seal (15) is configured to act between said rotating member (11) and said bottom wall (6) of the cylinder (4) to obtain a fluid sealing; wherein the caliper (1) is characterized in that it comprises a bushing (30) housed in the rotation seat (12) interposed, at least partially, between the rotating member (11) and bottom wall (6) of the cylinder (4).

To provide a technology capable of efficiently cooling a control device while suppressing increase in power consumption associated with overexcitation control of an electromagnetic brake.SOLUTION: A method includes the steps of: (a) performing overexcitation of an electromagnetic brake; (b) controlling a fan so that power consumption of the fan in cooling a control device is equal to a first power consumption in an overexcitation period during which overexcitation is performed; and (c) after the overexcitation period, controlling the fan so that the power consumption of the fan is equal to a second power consumption higher than the first power consumption.SELECTED DRAWING: Figure 3

A power transmission unit of a single-acting plunger type includes a ball screw, a ball nut driven by the ball screw, and a plunger piston coupled to the ball nut. A block housing at least partially encloses the plunger piston and the ball screw. A plunger chamber is at least partially defined by the block housing and a face of the plunger piston. The plunger chamber is selectively pressurized by reciprocal motion of the plunger piston with respect to the block housing driven by longitudinal motion of the ball nut. An electric motor selectively drives the ball screw to responsively reciprocate the plunger piston within the plunger chamber. A motor housing at least partially encloses the ball nut, the electric motor, and the plunger piston. The motor housing includes a block lip which is crimped to the block housing to maintain the motor housing in relation to the block housing.

The invention concerns a multi-part brake caliper for a vehicle disc brake, the brake caliper comprising: a first part comprising a portion that is arrangeable at a first side face of a brake disc of the vehicle disc brake; a second part that is formed separately form the first part and comprises a portion that is arrangeable at a second side face of the brake disc; a middle part connecting the first part and the second part; wherein the middle part is mechanically fixed to at least one of the first and second part.

A disc brake for a utility vehicle, includes a brake caliper which engages over a brake disc and is held axially displaceable, in relation to the brake disc, on guide rods which are connected to a vehicle-side brake carrier, wherein, in the case of a braking operation, an action-side brake pad, which is mounted in the brake carrier and has a pad support plate and a friction lining fastened thereon, can be pressed against the brake disc by way of an application device which has a pivotable brake lever and at least one central brake plunger. The brake plunger has an actuating spindle and a pressure piece contacting the pad support plate. The disc brake is designed in such a manner that the pad support plate has an at least partially convex design in the contact region with the brake plunger.