573 results about "Disc brake" patented technology

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 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.

A brake disc for a disc brake may have a braking band made of gray cast iron or steel, provided with two opposite braking surfaces, each of which defines at least partially one of the two main faces of the disc. The disc is provided with a base layer constituted by steel having a nickel content of at most 15% which covers at least one of the two braking surfaces of the braking band.

The invention concerns a Brake carrier (10) for disc brake arrangement (11), the disc brake arrangement (11) having brake pads (24) that are displaceable relative to a brake disc (100), wherein the brake carrier (10) is configured to support the brake pads (24) during their displacement; wherein the brake carrier (10) comprises at least a first portion (14) that is arrangeable on a first side (13) of the brake disc (100), a second portion (16) that that is arrangeable on a second side (15) of the brake disc (100) and two connecting portions (18, 20) each connecting the first and second portions (14, 16); wherein at least one of the connecting portions (18, 20) comprises an air channel (12) having a first end (34) that is arranged so as to face towards the brake disc (100). Also disclosed is a disc brake arrangement (11) comprising such a brake carrier (10).

A disc brake system includes a carrier and a brake pad having a backing plate and a friction material supported by the backing plate. The backing plate and friction material are configured so as to minimize any possible interference with the caliper housing, while maximizing the strength and durability of the brake pad. A method of actuating a disc brake system is also provided.

The utility model discloses a disc brake traction machine with an anti-friction disc structure. A main shaft penetrates through a machine base and is connected with a traction wheel and a brake; the stator winding iron core and the rotor are both arranged in the machine base, and the rotor is arranged outside the stator winding iron core and connected with the main shaft. The first bearing and the second bearing are arranged between the machine base and the main shaft. The machine base is connected with a machine base end cover, the brake is arranged on one side of the machine base end cover, a first shock pad and a second shock pad are arranged on the main shaft and arranged on the two sides of a brake disc of the brake respectively, and an adjusting pressing plate is arranged on the side, close to the second shock pad, of the end of the main shaft. The first shock pad and the second shock pad are arranged on the two sides of the brake disc, meanwhile, the position of the brake disc on the main shaft is limited by adjusting the pressing plate, and the brake disc can be reset in the action process of the brake through the elastic force of the first shock pad and the elastic force of the second shock pad. And noise generated by friction between the brake disc and the engine base end cover and between the brake disc and the armature surface is greatly reduced.

An actuator for a heavy vehicle foundation brake (e.g. disc or drum brake), and a brake assembly including the actuator. The actuator includes: an actuator housing 111 having an outboard end fixable t

The application relates to a brake pad for a disk brake system and to a disk brake system. The proposed brake pad comprises a back plate having a front side for facing a brake disk of the disk brake system and a friction layer arranged on the front side of the back plate for contacting a friction surface of the brake disk. The brake pad further comprises an underlayer arranged between the front side of the back plate and the friction layer. The back plate comprises a recess. The underlayer extends into the recess of the back plate.

A mine dump truck wet disc brake hydraulic system, including main control valve, one end of main control valve is connected pressure oil source, the other end is connected front brake system and middle and rear brake system, front brake system includes brake pedal, front axle proportional control valve group, front axle brake valve group and front brake cylinder, middle and rear brake system includes brake pedal, slow running valve, middle and rear axle brake valve, rear axle proportional valve group, relay valve group, rear axle brake cylinder and middle axle brake cylinder, the utility model discloses a mine dump truck wet disc brake hydraulic system can realize manual operation brake and line control remote brake function, reaches unmanned operation's requirement, is used for unmanned vehicle or auxiliary driving, and in order to adapt to the distance of middle and rear axle of three axle vehicle and the distance of main brake valve group is longer, two relay valve groups are added, brake corresponding speed is improved, faster brake response is realized, makes travel more safe.

The present application relates to a kind of disc brake brake peristaltic flutter noise evaluation method, the method includes the following steps: 1) by one-way accelerometer obtains original acceleration signal at brake caliper;2) extract corresponding eight kinds of physical characteristics when brake peristaltic flutter occurs;3) the original acceleration signal is preprocessed, extract corresponding three time-domain features;4) construct one-dimensional vector feature including all physical characteristics and time-domain features, and standardization is carried out;5) using the machine learning classification model trained to analyze and evaluate the feature constructed and obtain the score of brake peristaltic flutter noise.Compared with prior art, the present application has the advantages of improving the accuracy of brake peristaltic flutter noise evaluation, saving a lot of manpower and time cost, shortening development cycle and capital investment.

1. The name of the design product: disc brake hook claw. 2. The use of the design product: two-wheeled vehicle lock parts. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: reference Figure 1 in use.

The utility model discloses an inner clamping disc brake device which comprises a shaft sleeve, a rotating shaft, a second brake disc and a disc brake disc, the shaft sleeve is fixedly connected with a wheel body of a take-up and pay-off wheel and rotates along with the wheel body, and a first brake disc is fixedly installed or integrally formed on the end face of one side of the shaft sleeve; the rotating shaft is rotationally installed in the shaft sleeve through a bearing, the two ends of the rotating shaft extend out of the shaft sleeve, one end of the rotating shaft is provided with an anti-reversing mechanism, and the other end of the rotating shaft is provided with a force application mechanism. The second brake disc rotationally sleeves the rotating shaft, a limiting reset mechanism is arranged between the first brake disc and the second brake disc, and under the action of the limiting reset mechanism, the first brake disc and the second brake disc synchronously rotate and get close to and get away from each other in the axial direction; the disc brake disc is sleeved on the rotating shaft and rotates along with the rotating shaft. According to the utility model, double-sided friction is realized, the number of spare and accessory parts is reduced, the processing and assembling cost is reduced, and the size miniaturization of the shaft sleeve is facilitated.

This item is a disc rotor for a vehicle disc brake used in four-wheeled vehicles and the like.

A monoblock disc brake caliper is provided. The monoblock disc brake caliper includes an inner portion, an outer portion, and a crossover portion formed between the inner portion and the outer portion. The inner portion, the outer portion and the crossover portion are formed as a single, unitary body. The monoblock disc brake caliper further includes a transfer port aperture formed in the crossover portion located at a centerline of the monoblock disc brake caliper. The monoblock disc brake caliper further includes an inner transfer port extending from the transfer port aperture to an inner piston bore and an outer transfer port extending from the transfer port aperture to an outer piston bore. The monoblock disc brake caliper further includes a transfer port plug that is coupled to the transfer port aperture to seal the transfer ports with a single plug.

The present application relates to the technical field of electric control switch, in particular to a kind of motorcycle disc brake control switch, including shell, two wiring copper sheets, electricity connection copper sheet, slider and cover plate, installation cavity is provided in the shell, installation groove is opened in the symmetrical two inner side walls of installation cavity, and two The wiring copper sheet is fixedly inserted in installation groove;The present application is closed by the setting of cover plate and sleeve, the part of wiring copper sheet in installation cavity is isolated with external environment with electricity connection copper sheet, and the inside of the position of wiring copper sheet through shell can be sealed with sealing glue, simultaneously still can be filled into inert gas in installation cavity, to avoid the water vapor in environment into installation cavity, cause the part of wiring copper sheet in installation cavity and electricity connection copper sheet corrosion Problem, guarantee the conductive property of wiring copper sheet and electricity connection copper sheet, guarantee the stability and waterproof performance of motorcycle disc brake control switch.

A running gear assembly for a vehicle includes an inner flange, an optional brake member assembly, and a unit hub. The inner flange may be connected to either an axle or an independent suspension member. The brake member assembly—when present—may be any type of brake member assembly commonly used for vehicles, including—but not limited to—electrically, hydraulically, or mechanically actuated drum brakes and hydraulically actuated disc brakes. The unit hub allows the wheel and tire assembly to connect to the vehicle without the need for a spindle.

Brake caliper (1) for a hydraulic disc brake, designed to enable the production of both radially and axially mounted hydraulic disc brakes for passenger cars, commercial vehicles and armored vehicles using a general forming pattern and general machining equipment, comprising the following: - an inner brake caliper half (1.1) configured to allow both radial and axial connection by machining hydraulic brake discs (1) with a radial connection; - Connection points ( 1.1.1) having an elliptical shape, which enables the machining of the inner brake caliper half (1.1) for both a radial and an axial connection from the same forming part; - rear extensions of connecting elements (1.1.6) that extend from the connecting elements (1.1.1) and structurally connect the inner brake caliper half (1.1) to the piston housings (1.1.2) and the connecting bolt extensions (1.1.3) through the forming surfaces.

The application provides a leakage oil treatment method for a safety disc brake of an aerial passenger device, which mainly adds a structure for preventing oil leakage on a piston and a cylinder cover, and cooperates with a cylinder to collect the leakage oil, so as to solve the problem that the brake slips and loses braking force when working due to the leakage of pressure oil on the brake disc; the application sets an oil inlet leakage oil collection pool on the piston to collect the leakage oil at the oil inlet, sets an oil seal leakage isolation groove to accumulate the leakage oil, sets a residual oil pool on the cylinder cover to collect the leakage oil at the oil seal, and cooperates with the cylinder to discharge the leakage oil without contaminating the brake disc, so that the safety disc brake of the aerial passenger device cannot lose braking force due to the overflow of the leakage oil; and the application realizes the safety disc brake of the aerial passenger device without leakage and with high reliability by using a smaller cost.

Provided is a stainless steel sheet that does not require a quenching treatment and that is suitable as a base material steel sheet for a disc brake in a variety of two-wheeled vehicles. The component composition is properly controlled, the structure balance index F is controlled to be in the range of 100-250, and the area fraction of ferrite grains having a grain average misorientation of not more than 1° and a grain diameter of not more than 50 μm is 0.01-50.00%.

The utility model discloses a disc brake cover cutting device which comprises a cutting device, the cutting device comprises a base support, a fixed cover bottom cutting die and a cutting support, the fixed cover bottom cutting die and the cutting support are arranged on the base support, and a cutting mechanism covering the fixed cover bottom cutting die is arranged on the cutting support. The cutting mechanism comprises a guide cutting plate connected with the cutting support in a sliding mode and a hydraulic driving device driving the guide cutting plate to slide, an upper cover cutting die matched with the fixed cover bottom is arranged on the guide cutting plate, and a clamping device is arranged on the upper cover cutting die; the cover conveying device comprises a cover conveying support, a sliding plate assembly is arranged on the cover conveying support, a cover body placing piece is arranged on the sliding plate assembly, and the cover body placing piece is arranged under the upper cover cutting die in a sliding mode through the sliding plate assembly. And the equipment complexity and the maintenance cost are reduced, and an efficient and low-cost solution is provided for large-scale production of the electric vehicle disc brake cover.

An electric disc brake system for a trailer. The brake system employs a caliper assembly that is attached to the trailer with floating fasteners, wherein the caliper assembly straddles an axle mounted rotor positioning an inner and outer brake pad adjacent to the rotor. A screw drive assembly is attached to the caliper. The assembly includes an electric motor coupled to a piston by a threaded shaft. The screw drive assembly converts rotation of the electric motor into linear motion to movement of the piston, wherein the inner and outer brake pads engage the rotor based upon the amount of pressure applied by the piston. A controller reacts to the pressure applied to a brake pedal to cause the electric motor to rotate in a clockwise or counter-clockwise direction.

The invention relates to a method (300) for estimating a force (Fest, Fest1, Fest2, Fest3) applied by a caliper to a brake disc of a braking system (100) of a vehicle. The braking system comprises: - at least one electro-hydraulic or electro-mechanical actuator (1) of a disc brake (2), - at least one electronic control unit (20) connected to said at least one electro-hydraulic or electro-mechanical actuator to receive data representative of one or more values of electric current (I) supplied to the electric motor associated with the electro-hydraulic or electro-mechanical actuator and of one or more values of the current position (xp) of the motor; the electronic control unit comprises a functional block of contact estimation (21) between a pad of the caliper and the brake disc and a functional block of force estimation (22) operatively associated with the functional block of contact estimation. The method comprises the steps of: - receiving (301) as input, by the functional block of contact estimation, the data representative of one or more values of electric current supplied to the electric motor and of one or more values of the current position of the actuator piston; - detecting (302), by the functional block of contact estimation, a value of contact position (xTD) representative of the position taken by the piston of the electro-hydraulic or electro-mechanical actuator following the contact between a pad of the caliper and said brake disc; - generating (303) as output, by the functional block of contact estimation, a first datum (TD) representative of a contact occurred between the pad and the brake disc and a second datum (xp – xTD) indicative of the difference between said one or more values of current position of the actuator piston and the detected value of the contact position; - making available (304), to the functional block of force estimation, the first and second datum; - estimating (305), by the functional block of force estimation, a value of the force (Fest) applied by the caliper to the brake disc by calculating a stiffness curve applied to the second datum.

A hydraulic disc braking system is disclosed. The system has a manually operated control device for a cyclist to issue a braking command. The system has a master cylinder assembly having a membrane dividing the hydraulic fluid tank into a variable volume filled chamber and a complementarily variable volume empty chamber. A membrane detector senses the presence of the membrane relative to a predetermined position in the tank and / or a meter measures the distance of the membrane from the ceiling of tank.

The utility model discloses a brake shoe brake pad structure of a low-noise disc type brake shoe assembly, which relates to the technical field of brake pads, and comprises a brake shoe body, a brake pad main body is arranged on one side of the brake shoe body, and a mounting mechanism is arranged between the brake shoe body and the brake pad main body. The shock absorption assembly comprises a rubber shock absorption pad installed on one side of the brake pad body through the vulcanization technology, through elastic deformation of the rubber shock absorption pad, when the brake pad body rubs against a brake disc to generate vibration, vibration energy can be effectively absorbed, meanwhile, a ceramic fiber pad has high flexibility and excellent damping characteristics, and the service life of the brake pad is prolonged. In addition, the heat dissipation copper net is of a honeycomb structure, part of noise generated by friction can be absorbed while heat dissipation is conducted, vibration and noise in the braking process are greatly reduced through mutual cooperation of the heat dissipation copper net, the rubber shock pad and the heat dissipation copper net, and the comfort and the mute performance of a braking system are remarkably improved.

This utility model relates to a cable-operated mechanical balance valve and a two-wheeled vehicle. The cable-operated mechanical balance valve is used with a vehicle having at least two disc brake calipers. It includes a housing, a balance valve body disposed within the housing cavity, and a first cable and a second cable passing through the balance valve body. The first and second ends of the first cable are respectively connected to a first brake lever and a first disc brake caliper. The third and fourth ends of the second cable are respectively connected to a second brake lever and a second disc brake caliper. The balance valve body includes at least: a first valve core; a second valve core; and an elastic element. This utility model maintains balanced braking of the bicycle's front and rear brakes with a single cable brake lever during braking, and significantly shortens the braking distance, reducing the risk of the bicycle skidding.

This invention belongs to the field of vehicle suspension technology and discloses a double wishbone independent suspension system and a vehicle. The double wishbone independent suspension system includes a frame assembly and a steering mechanism. The steering mechanism includes a steering knuckle, a shock absorber assembly, an upper control arm assembly, an air brake disc assembly, a lower control arm assembly, and a rack and pinion steering assembly. The shock absorber assembly is located on the side of the frame assembly; the upper control arm assembly is connected to the upper part of the shock absorber assembly and the steering knuckle; the air brake disc assembly is spaced behind the shock absorber assembly in a first direction; the lower control arm assembly is connected to the frame assembly and the steering knuckle, and the lower part of the shock absorber assembly is connected to the lower control arm assembly; the tie rod of the rack and pinion steering assembly is located below the lower control arm assembly and connected to the steering knuckle. This double wishbone independent suspension system can improve the vehicle's suspension comfort and handling stability, and can ensure the vehicle's braking reliability.

A drawworks brake performance assessment system (115, 215, 315) comprising a drawworks (116, 216, 316) comprising a rotatable spool (220, 320); a braking system comprising a rotor (232, 332) associated with the rotatable spool and at least one hydraulic disc brake (234,334) comprising a master cylinder assembly (236, 336) and a caliper assembly comprising a caliper (242, 342) and opposing brake pads, wherein the master cylinder assembly is operable with the caliper assembly to manipulate one of the opposing brake pads to apply a clamping force to the rotor; and a brake sensor system (160, 260, 360) comprising a sensor (264, 364) and an operations module (272, 372), the sensor being operable to measure a displacement distance between one of the opposing brake pads and a surface of the rotor, and to output corresponding sensor data to the operations module that is operable to receive and process the sensor data and to determine one or more performance characteristics of the braking system based on the sensor data.

The invention relates to a drive device for an electrically powered vehicle (1), comprising an electric motor (30) and a brake (10), wherein the brake (10) and the electric motor (10) are provided as a unit (4) for acting on a wheel connection (2) of the vehicle (1), and wherein the brake (10) is designed as a wet multi-disc brake.

A disc brake for a commercial vehicle, comprising a brake caliper (1) extending over a brake disc, two brake pads (2) arranged therein, movable in opposite directions towards the brake disc, each having a pad carrier plate (3) and a friction lining (4) attached thereto, which are arranged under preload by pad retaining springs (8) formed from a spring wire in a pad recess (9) of a vehicle-side brake carrier (5) limited in the direction of rotation of the brake disc by brake carrier horns (6), is designed such that each pad retaining spring (8) has two legs (10, 12) in the same direction, connected at their ends by an axially twisted torsion section (13), the free ends of which are directed in opposite directions towards each other and angled apart from each other to form a plug element (11), both of which are attached to the associated pad carrier plate (3) or the brake carrier (5),while the torsion section (13) is supported on a component that is relatively radially movable, the plug-in elements (11) are offset from each other at a predetermined angle in the direction of rotation of the torsion section (13) before assembly when the torsion section (13) is relaxed.