1026results about "Braking members" patented technology

The invention provides a surrounding type numerical control rotary table intelligent braking system based on AI predictive control, and belongs to the technical field of intelligent manufacturing and numerical control. The problems that an existing numerical control rotary table braking system is lagged in response, lacks intelligent prediction and self-adaptive capacity, and is insufficient in control precision and attenuated in long-term performance are solved. The surrounding type numerical control rotary table intelligent brake system based on AI predictive control comprises a state acquisition module, an AI predictive module, a pressure control module, a surrounding type brake execution structure and a feedback correction module, an AI predictive mechanism and a self-correction feedback loop are introduced, intelligence, self-adaption and high responsiveness of brake control are achieved, and the brake control precision is improved. The positioning precision, the braking stability and the overall energy efficiency level of the numerical control rotary table are improved, and the numerical control rotary table has the advantages that the response speed is remarkably increased, the positioning precision is high, the self-adaptive capacity is high, the braking process is stable and the intelligent degree is high.

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.

The invention discloses an active lubrication brake cylinder for a railway wagon and the railway wagon, and relates to the field of railway wagon control systems.The active lubrication brake cylinder comprises a fixed gear ring arranged at the bottom of a spinning cylinder body, and a piston is arranged in the spinning cylinder body; the matching gear ring and the fixed gear ring are arranged in parallel, and the side, facing the fixed gear ring, of the matching gear ring is a convex tooth surface; the projection of the S-shaped spiral elastic pieces in the axial direction of the piston is in a circular arc shape, one ends of the S-shaped spiral elastic pieces are connected with the side, away from the fixed gear ring, of the matched gear ring, the S-shaped spiral elastic pieces are symmetrically arranged in the circumferential direction of the matched gear ring, and the other ends of the S-shaped spiral elastic pieces are connected with a base of the piston; the brake cylinder structure meets the modification of the existing brake cylinder, is simple in structure and low in modification cost, and also has good manufacturability and maintainability.

The utility model relates to a braking device used for a motor, the motor comprises a motor housing and a motor shaft extending out of the motor housing along the axial direction, the braking device is characterized in that the braking device comprises an annular base body and at least two braking elements capable of elastically deforming, the base body comprises a continuous outer surface, and the outer surface of the base body is provided with a plurality of braking elements capable of elastically deforming. The braking element protrudes inwards from the inner surface of the base body and makes contact with the motor shaft in an interference fit mode, and therefore sliding friction is formed between the motor shaft and the braking element in the rotating operation process of the motor shaft. In addition, the utility model also relates to a motor with the brake device.

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).

The brake assembly includes a housing, a rotor disc. The rotor disc includes at least one internal cavity. The at least one internal cavity includes a pawl and a thermal fuse. In use, the thermal fuse is configured to maintain the position of the pawl in the at least one internal cavity when a temperature is below a predetermined threshold, and wherein the thermal fuse is configured to melt when a predetermined threshold of temperature is reached during braking to release the pawl out of the at least one internal cavity towards the housing. The housing includes at least one recess configured to receive the pawl.

The invention discloses a powder metallurgy brake shoe for a locomotive and a preparation method, and relates to the technical field of metallurgy brake shoes, the powder metallurgy brake shoe comprises the following raw materials by mass percentage: 50%-70% of a matrix component, 10%-18% of a reinforcing component, 10%-16% of a lubricating component and 10%-16% of a friction component; the matrix component comprises electrolytic copper powder; the reinforcing components comprise reduced iron powder, superfine iron powder, atomized nickel powder, molybdenum powder and zinc powder; the lubricating component comprises artificial graphite and sulfide. According to the invention, the performance reduction of the brake shoe and the decline of a matrix at high temperature are effectively inhibited, the stability of a friction coefficient is kept, the abrasion is reduced, and the service life is prolonged.

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 utility model discloses an integrated heat-insulating motorcycle caliper, which relates to the technical field of motorcycle accessories, and comprises a caliper main body, a sliding rod, a heat-insulating sheet and a piston, the interior of the caliper main body is of a hollow structure, one side of the caliper main body is provided with a connecting port, and the connecting port is communicated with the interior of the caliper main body; inner cavities in the two sides of the caliper body are filled with hydraulic oil, the interiors of the cavities in the two sides of the caliper body communicate with each other through a connecting pipe, when braking is stopped, the hydraulic oil can be discharged out of the interior of the caliper body, then a piston is driven to contract inwards, and therefore the piston can make contact with a heat dissipation groove separately; and meanwhile, under the action of the springs, the heat insulation pieces can be pushed to slide towards the two sides through the sliding rods, then resetting of the heat insulation pieces is achieved, due to the existence of the limiting blocks, gaps can be kept between the heat dissipation grooves and the piston, and heat of the heat insulation pieces can be prevented from being transmitted to the piston.

The invention relates to the technical field of brakes, in particular to a drum brake EMB structure which comprises a shell, a disc is arranged at one end of the shell, and a planet wheel set is arranged in the shell; the planet wheel set comprises a driving wheel rotationally arranged at one end of the shell, a driving shaft located in the shell is rotationally arranged on the driving wheel, a first-stage retainer is arranged on the driving shaft, a plurality of first-stage planet wheels are rotationally arranged on the first-stage retainer, and the first-stage planet wheels are all meshed with the driving wheel; after speed reduction and torque increase of the two-stage planetary gear set, power is output through the transmission shaft connected with the second-stage retainer. The cam arranged at one end of the transmission shaft rotates by a corresponding angle along with the transmission shaft, and the cam profile pushes the drum brake to expand outwards during rotation. Vehicle kinetic energy is converted into heat energy through friction force, and reliable braking is achieved.

The utility model relates to the technical field of drum brakes, and discloses a self-energizing drum brake which comprises a back plate, a connecting hole is formed in the back plate, the back plate is fixedly connected with a transmission shaft through the connecting hole, a brake drum is detachably installed on the back plate, a first pin rod is fixedly installed on the front side of the back plate, and a first brake shoe is rotatably installed on the first pin rod. The brake device has the advantages that the bottom ends of the first brake shoe and the second brake shoe can be controlled to be far away from each other, the two brake pads abut against the brake drum, the braking purpose is achieved, the L-shaped connecting rod can be controlled to rotate through unfolding of the first brake shoe, then the top supporting rod is driven to push the second brake shoe to be tightly attached to the brake drum, and braking is achieved. The extrusion force of the brake pad on the brake drum is enhanced, the contact area of the brake pad and the brake drum is increased, the brake force is enhanced, meanwhile, the abrasion of the brake pad is more uniform, and the service life of the brake pad is prolonged.

The invention relates to a brake shoe and brake head connecting structure, an assembling method and a railway vehicle, the brake shoe and brake head connecting structure comprises a brake shoe and a brake head, the brake head comprises a first side plate and a second side plate, a connecting plate is arranged between the inner edges, used for being matched with the brake shoe, of the first side plate and the second side plate, and a hole is formed in the middle of the connecting plate. Protrusions are arranged at the two ends of the connecting plate, a spring piece is fixed to the back face, used for being matched with a brake head, of the brake shoe, a first bent part is arranged at the end of the spring piece, the first bent part wraps the protrusion at the corresponding end so that the spring piece can be connected with the connecting plate in a clamped mode, and an outwards-protruding structure in the middle of the spring piece penetrates through an opening in the middle of the connecting plate. By the adoption of the connecting structure, the defects existing when a brake shoe bolt is adopted are overcome.

A method for actuating a brake arrangement, wherein a pawl defined for locking and unlocking a parking brake functionality of a brake arrangement otherwise embodied as a service brake is used. A method for actuating a brake arrangement comprises rotating a shaft in a first direction with a drive to apply a brake, rotating the shaft in a second direction with the drive to release a brake; and moving a pawl between a first position and a second position along a rectilinear travel distance with one of an actuating device and the drive. In the first position, the pawl is spaced apart from a gearwheel connected to the shaft in a fixed rotation ratio and in the second position, is in engagement with the gearwheel or can be brought into engagement by rotation of the shaft in the second direction.

A railway brake disc may include at least one brake disc segment. This segment can form at least part of an annular body that circumferentially encircles a center opening. The segment can be mounted to a railway wheel to be engaged by a brake caliper pad to slow or stop rotation of the railway wheel. The segment can include rows of protrusions located at different radial distances from a radial center of the at least one brake disc segment. The protrusions can include an outer row of circular columns located along an outer radial distance of the at least one brake disc segment, an inner row of columns located along an inner radial distance of the at least one brake disc segment, and at least one intermediate row of columns radially located between the inner row of the columns and the outer row of the circular columns.

The invention provides an empty cup motor with a self-locking structure for a robot, and belongs to the technical field of intelligent robots. One end of the rotor shaft extends into the brake cavity of the rear end cover, the multiple self-locking parts arranged in the radial direction of the rotor shaft are arranged in the brake cavity, each self-locking part comprises the piezoelectric ceramic column and the friction plate, the friction plate is arranged between the piezoelectric ceramic column and the rotor shaft, and the piezoelectric ceramic columns are powered on and off, so that the self-locking effect is improved. The piezoelectric ceramic column is stretched or retracted, so that the friction plate can be close to or far away from the rotor shaft, the friction plate is locked or loosened, and self-locking or unlocking of the empty cup motor is realized; moreover, the self-locking parts are arranged in the brake cavity of the rear end cover, thereby avoiding the occupation of the side space of the rear end cover, meeting the miniaturization design requirements of the empty cup motor, achieving the direct action on the rotor shaft, guaranteeing the output direction of the rotor shaft, simplifying the structure, reducing the use limitation, and facilitating the popularization and application of the empty cup motor.

The present application relates to a drum brake, which includes a brake arm; a brake shoe; a base; and a brake torque detection device; the brake shoe is hinged on the brake arm through a brake shoe shaft, the brake arm is provided with a shaft hole penetrating through the brake shoe shaft, and the shaft hole is an oblong shaft hole, and a hole wall at one side of the oblong shaft hole is provided with a wear-resistant strip configured for pressing against the brake shoe shaft during braking of the drum brake; the brake torque detection device includes a sensing plate and a tension and compression sensor arranged on the sensing plate; one end of the sensing plate is connected to the brake shoe shaft, and the other end of the sensing plate is connected to the brake arm.

The utility model provides a double-cylinder vertical zero-residual brake. The double-cylinder vertical zero-residual brake comprises a spline shaft, the spline shaft is sleeved with a base plate, friction plates, dual plates and cylinders, the two friction plates, the two dual plates and the two cylinders are symmetrically arranged on the two sides of the base plate, and the two ends of the spline shaft are each sleeved with a bearing and a retaining ring for a hole. When the piston of the double-cylinder vertical zero-residual brake is in zero air pressure, contact surfaces of the friction plates are in a separated state, zero-residual torque and zero-abrasion states are achieved, and the double-cylinder vertical zero-residual brake has the advantages of being simple and compact in structure, easy to manufacture, convenient to install, low in production cost, small in use noise, small in abrasion and long in service life.

The mechanical double-leading and double-trailing drum brake comprises a brake drum, a brake bottom plate and two sets of brake units, the two sets of brake units are oppositely installed on the front face of the brake bottom plate in a left-right mode, and each brake unit comprises a leading brake shoe block, a trailing brake shoe block and a rotating cam arranged between the leading brake shoe block and the trailing brake shoe block. The two rotating cams are connected with the same connecting rod arranged on the back face of the brake bottom plate. The brake drum is uniformly stressed by taking the leading shoe block and the trailing shoe block as central symmetry with the circle center of the brake bottom plate, so that the brake drum and a hub bearing are protected from being damaged or even damaged by deflection force, and the service life of the brake drum and the hub bearing is greatly prolonged; and in addition, due to the arrangement of the double-leading double-trailing four-shoe block, the service life of the drum brake is prolonged, the friction force is uniform, the braking effect is better, the personal safety of a driver is ensured, and the braking is safer and more reliable.

The present disc brake includes a caliper and a carrier. In the carrier, a pair of inner beam part side torque receiving parts are provided inside an arm part in a radial direction of a disc and provided on both sides in a circumferential direction so that a pair of lug parts provided on a first friction pad of a pair of friction pads are respectively housed therein. Also, an attachment part is provided inside the pair of inner beam part side torque receiving parts in a radial direction and is disposed at a position overlapping each of the pair of inner beam part side torque receiving parts in the circumferential direction to be connected to a wheel support part. Then, a first outward protruding part is formed to protrude toward the wheel support part with respect to an attachment surface of the attachment part in a rotation axis direction and extend from an edge of the attachment surface of the attachment part toward the arm part close to the attachment part.

The present invention relates to the technical field of braking systems, and in particular to a ball screw and gear combination transmission mechanism used in a brake. A ball screw and gear combination transmission mechanism used in a brake, characterized in that: a driving shaft of a motor is axially connected to a motor gear, the motor gear is meshed with an idler gear, and the idler gear is meshed with a planetary gear train; the planetary gear train is connected to a shaft end of a ball screw, a ball nut is sleeved on an outer side of a threaded section of the ball screw, an end of the ball nut is connected to an end cover, an outer side of the ball nut is connected to a boss, and the ball nut and the boss are an integrated structure; several closed circulation loops are provided on an outer edge of the threaded section of the ball screw; several steel balls are provided in the circulation loops; and the circulation loop is composed of a spiral raceway and a ball return channel, and both ends of the spiral raceway are seamlessly and smoothly communicated with both ends of the ball return channel. Compared with the prior art, the ball screw and gear combination transmission mechanism overcomes the shortcomings of the conventional ball screw and gear combination transmission mechanism, such as large space occupation and slow piston return response speed.

To provide a brake caliper capable of coping with wear of a brake pad.SOLUTION: By having the sleeve member 65 and the bolt member 68 in threaded engagement with each other and adapted to be actuated by the brake lever means 6 to move the first brake pad 41 towards the brake rotor, wherein the bolt member 68 is adapted to rotate and move relative to the sleeve member 65 when the first brake pad 41 is moved by the piston means actuated by the brake pedal, the travel distance required for the bolt member 68 driven by the brake lever means 6 to perform its braking function remains substantially the same even if the amount of wear on the brake pads increases.SELECTED DRAWING: Figure 4

The present invention belongs to the field of impact testing technology and discloses a buffering friction brake device suitable for high-speed moving objects of varying diameters. The device comprises a high-pressure gas chamber and a guide cylinder sealed to the high-pressure gas chamber. A quick-response pressure relief device is provided at one end of the gas chamber connected to the guide cylinder. The accelerated object is positioned on the side of the quick-response pressure relief device away from the high-pressure gas chamber. The guide cylinder is provided with a braking device comprising: a friction sleeve movably disposed within the guide cylinder, the friction sleeve having a buffering energy-absorbing structure therein; and a braking friction sleeve fixed to the end of the guide cylinder, the braking friction sleeve having a brake friction pad therein. A control method is also provided. The device and method are simple in structure, reduce costs, and improve safety and stability.

A brake lining (3, 130, 230) for a radially actuatable drum brake (1) of a utility vehicle has a lining support (32, 132, 232), at least one friction lining (31, 131, 231), said friction lining being provided on the lining support (32, 132, 232) and having a friction surface which is convex in the shape of a circular arc segment in the circumferential direction, and a pressure piece (7, 170, 270) which is secured to the lining support (32, 132, 232), said pressure piece (7, 170, 270) being positively and / or frictionally held in the radial direction with the aid of at least one holding element. The invention also relates to a drum brake.

The utility model discloses a brake structure of an isolation type washing and dewatering machine, which relates to the technical field of isolation type washing and dewatering machines, and comprises a large belt pulley connected with an inner cylinder, an annular flange arranged on the peripheral side of the large belt pulley, a first brake arm arranged on the front side of the flange, a second brake arm arranged on the rear side of the flange, and a driving mechanism, the driving mechanism is used for driving the first brake arm and the second brake arm to clamp the turned-over edge. According to the utility model, the environmental pollution can be reduced, and the adaptability is improved.

The utility model discloses a drum-type brake shoe assembly structure with a reinforcing rib assembly, and relates to the technical field of drum-type brake shoes. Comprising an installation base, the installation base is provided with an installation mechanism used for the drum type brake shoe, the installation mechanism comprises the structure that in the braking process, friction between a brake shoe and a brake drum can generate large resistance, the resistance can be transmitted to a brake shoe base and a shoe block, at the moment, a first reinforcing rib is located at the inner side connecting position of the brake shoe base and the shoe block, and therefore the brake shoe base and the brake drum block are connected. The brake shoe base and the brake shoe can effectively disperse and transfer resistance, stress concentration and deformation at the connecting position of the brake shoe base and the brake shoe are prevented, meanwhile, the reinforcing blocks of the triangular structure and the second reinforcing ribs on the edges of the reinforcing blocks further enhance the overall rigidity of the brake shoe base and the brake shoe, and when stressed, the reinforcing blocks and the second reinforcing ribs act jointly, so that the brake shoe base and the brake shoe are more stable. Force is evenly distributed on the whole brake shoe structure, damage caused by too large local stress is avoided, and the structural strength and stability of the brake shoe assembly are enhanced.

A brake rotor for a motor vehicle having a composite structure may include an annular body defining opposite friction surfaces of the brake rotor. The annular body may include a core made of a lightweight, magnesium-based alloy; a thermal barrier layer made of a thermally insulating material disposed on the core; and a wear-resistant layer made of an Al—Fe—Si—Zr alloy of aluminum (Al)+iron (Fe)+silicon (Si)+zirconium (Zr) that is disposed on the core over the thermal barrier layer. The wear-resistant layer may define a first one of the opposite friction surfaces of the annular body.

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 discloses a brake device and brake method capable of realizing butt joint at any angle, relates to the field of vane shaft braking, and comprises a shaft sleeve for being connected with a vane shaft and a brake part; a butt joint sliding part is slidably connected to the shaft sleeve through a sliding cavity; a reset part is arranged between the sliding part and the bottom of the sliding cavity; the sliding part is provided with a butt joint head which can be inserted into a butt joint groove arranged on the brake part to realize the connection between the shaft sleeve and the brake part; the brake part is provided with a sliding cylinder which can be close to or away from the shaft sleeve; the sliding cylinder is provided with an annular cavity and a central hole, a rotating shaft is rotatably arranged in the central hole, and the butt joint groove is arranged on the rotating shaft; a friction cylinder is arranged in the annular cavity; and an elastic belt is arranged between the friction cylinder and the rotating shaft. The application can effectively avoid the interference of the joint and ensure effective butt joint regardless of whether the angle of the butt joint head is matched or not, and can effectively reduce the damage of the vane shaft and the vane.

The invention discloses a brake locking device and a brake caliper assembly, and belongs to the technical field of automobile brake systems, the brake locking device comprises an MGU shell, a transmission gear mechanism arranged on the MGU shell and a locking component used for locking the transmission gear mechanism for parking, a mounting cavity used for containing the locking component is formed in the MGU shell, and the MGU shell is internally provided with a brake caliper. The anti-collision device has the beneficial effects that radial impact is effectively reduced, meanwhile, impact noise can be effectively reduced, the strength and the impact resistance of the locking component are enhanced, heat in the locking component can be transmitted out in time, and therefore the anti-collision device has the advantages of being good in anti-collision performance, good in anti-collision performance, good in anti-collision performance, good in anti-collision performance, good in anti-collision performance, good in anti-collision performance, good in anti-collision performance, good in anti-collision performance and good in anti-collision performance. And the service life of the locking device is prolonged.