1397results 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 provides a sucker bridge crane for hoisting pipe sheets. The sucker bridge crane comprises a bridge frame, a hoisting mechanism, a sucker hanger and an anti-swing mechanism, the bridge frame is connected to the steel rail and can move along the steel rail, and the lifting mechanism is installed on the bridge frame, connected with the suction cup lifting tool through a steel rope and used for driving the suction cup lifting tool to ascend and descend; the anti-swing mechanism comprises a first anti-swing connecting piece fixedly installed at the bottom of the lifting mechanism and a second anti-swing connecting piece installed at the top of the suction cup lifting tool, and the first anti-swing connecting piece and the second anti-swing connecting piece are connected, can relatively slide in the vertical direction and are relatively limited in the horizontal direction. When the lifting mechanism drives the suction cup lifting appliance to ascend and descend, the first anti-swing connecting piece and the second anti-swing connecting piece can relatively slide in the vertical direction, and ascending and descending of the suction cup lifting appliance are not affected; meanwhile, due to the fact that the first anti-swing connecting piece and the second anti-swing connecting piece are relatively limited in the horizontal direction, when the bridge moves, the suction cup lifting appliance cannot swing left and right, lifting safety is guaranteed, and lifting efficiency is improved.

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 discloses an electric vehicle hub brake which comprises a brake shell, one side of the brake shell is a brake cabin, and the opposite side of the brake shell is an outer decorative face. The first ends of the shoe blocks are rotationally connected with shoe pins fixedly mounted in the brake cabin; the transmission part is driven to rotate to drive the distance between the second ends of the two shoe blocks to be adjustable; a gear is rotationally arranged at the second end of the shoe block through a pin; the transmission part is a gear transmission shaft, and the gear is in meshing transmission with the gear transmission shaft. According to the electric vehicle hub brake provided by the utility model, piston motion is replaced by gear transmission so as to drive the shoe blocks to brake, so that the situation that the electric vehicle is stuck due to dust accumulation can be avoided, the braking safety is greatly improved, and the braking instantaneity is far superior to that of a piston motion structure.

Stator clips may be disposed in the recesses of aircraft brake stator disks to increase the lug strength of the stator disk. The clips may interface with the splines of a torque plate and may comprise ridges that reduce contact between the torque plate barrel and the clip, while maintaining the overall integrity of the clip structure. Furthermore, reduced contact may enable a reduction in drag, improving brake performance.

Rotatable joints may include one or more braking assemblies. The one or more braking assemblies may control a degree of movement of the rotatable joint to provide a range of damping. In some instances, the braking assemblies may include brake band(s) that tighten and loosen around a hub, or other rotatable member of the rotatable joint. The amount of braking, or tautness of the brake band(s), may be variably controlled to arrest the hub by different amounts. In some instances, the tightening of the brake band(s) around the hub may be controlled using linear actuator(s) and / or magnetic element(s). Implementing braking assemblies having controlled actuation may improve control of rotatable joints without adding cost, complexity, weight, or bulk.

Provided is a brake disc for a disc brake having 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 two main faces of the brake disc. The brake disc is provided with a base layer composed of a totally nickel-free steel that covers at least one of the two opposite braking surfaces of the braking band. The totally nickel-free steel of the base layer is composed of 10% to 15% chromium (Cr), at most 1% silicon (Si), at most 4% manganese (Mn), 0.16% to 0.5% carbon, and iron (Fe) as a balance.

The invention relates to a brake caliper (1) for a motor vehicle disc brake, in particular for a commercial vehicle disc brake with a brake disc moved around a rotational axis (R), with a caliper housing (3) for receiving an application mechanism, and a caliper cover (5) which covers the top of the caliper housing (3) and engages over the brake disc from an application side (19) of the brake disc to a reaction side (21) of the brake disc, and a hold-down bracket (31) which is reversibly detachably fastened to a holder (11) on the reaction side of the caliper cover (5) and spans the brake disc from the application side (19) to the reaction side (21).It is proposed that the brake caliper (1) has a reaction-side support plate (9) which is materially connected to the caliper cover (5), and that the holder (11) is formed in one piece on the support plate (9), and / or that the holder (11) is a first holder, and the caliper housing (3) has a brake disc-side housing wall (17), on which a second holder (27) is formed, and on which the hold-down bracket (31) is reversibly detachably fastened on the application side, wherein the second holder (27) protrudes in the direction of the reaction side (21) from the brake disc-side housing wall (17).

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 planetary gear two-gear transmission and a working method thereof.The planetary gear two-gear transmission comprises a transmission shell, a planetary gear transmission mechanism arranged in the transmission shell, a normally-closed clutch and a first actuator driving the normally-closed clutch, a top disc is arranged on the right side of the normally-closed clutch, and the top disc is in transmission connection with the normally-closed clutch in the axial sliding and rotating direction; the right end of the top disc is slidably connected with a gear ring on the periphery of the planetary gear transmission mechanism, and a brake concave part is arranged on the periphery of the left end of the top disc. A braking device is arranged on the transmission shell and comprises a braking block, the braking block is driven by a second actuator to move in the direction perpendicular to the axis of the transmission to be wedged into the braking concave part, and the first actuator and the second actuator share the same power. According to the invention, the advantage of smooth and rapid power-interruption-free gear shifting of the planetary gear can be better exerted, the phenomenon of'locking 'chip burning caused by simultaneous combination of the two clutches is avoided, and the problem of power interruption caused by simultaneous separation of the two clutches can also be avoided.

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 mechanism and a method therefor. The brake mechanism comprises: a brake support, fixedly connected to a moving part; a brake wheel shaft and a rotating shaft, disposed on a swing arm along a vertical shaft, one side end of the swing arm being fixedly connected to the brake support by means of the rotating shaft. An electromagnetic clutch and a brake wheel are each sleeved on the brake wheel shaft. The present disclosure differs from the prior art in that a spring and a brake wheel are located on the same side of a rotating shaft, and the spring is located at a position distant from the other side end of the rotating shaft relative to the brake wheel. A spring force application position and the brake wheel are disposed on the same side of the rotating shaft, and limiting and auxiliary positioning parts are disposed on one side of a guide rail. Thus the objectives of improving brake pressure, effectively maintaining guide rail straightness, and adjusting a gap between the guide rail and the brake wheel can be achieved.

The invention relates to a brake disk (3), which has at least one thermal conduction layer (4, 6) with a thermal conductivity and specific thermal resistivity that can be graduated, the thermal conduction layer consisting of at least two different materials or of a varying layer thickness, thereby graduating the thermal conductivity or the thermal resistivity within the thermal conduction layer.

Embodiments herein disclose an electric railroad retarder having a plurality of retarder modules. A retarder module comprises a gear cam assembly disposed between a first brake unit and a second brake unit. The gear cam assembly comprises a first position arm plate and a second position arm plate that are connected to a cam using a first positioning arm and a second positioning arm. The cam rotates to perform one of: compress a first brake spring, a second brake spring, a third brake spring and a fourth brake spring to hold wheels of a railcar; decompress the first brake spring, the second brake spring, the third brake spring and the fourth brake spring to release the wheels of the railcar; and separate the first position arm plate from a first spring base plate, and the second position arm plate from a second spring base plate to allow insertion of a shim.

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 relates to the technical field of fruit freeze-drying, and specifically to a fruit freeze-dried storage device, comprising a storage bin, a mounting frame, a placement frame and a driving device, and also comprising a moving device, wherein the moving device comprises a supporting leg, a threaded rod, a bearing, a mounting seat, a roller and a positioning brake assembly, wherein a threaded groove is provided at the lower end of the supporting leg, the supporting leg is fixedly connected to the storage bin and is located at the bottom of the storage bin, the threaded rod extends into the threaded groove and is threadedly connected to the supporting leg, the inner side of the bearing is fixedly connected to the threaded rod, the bearing sleeve is arranged at the lower end of the threaded rod, the mounting seat is fixedly connected to the bottom of the outer ring of the bearing, the roller is rotationally connected to the mounting seat through a rotating shaft and is located in the mounting seat, and the positioning brake assembly is arranged at a side of the bottom of the storage bin close to the roller, so as to provide a convenient moving function for the device, shorten the handling and moving time of the frozen fruit, and achieve the effect of timely storage.

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.

The invention discloses a brake device for preventing fault inversion of an induced draft fan, and particularly relates to the technical field of braking, the brake device comprises a support, a sleeve frame, a concave frame and a peripheral synchronous embedded brake mechanism, and further comprises a lateral synchronous meshing brake mechanism and a timely proofreading detection assembly; wherein the peripheral synchronous embedded brake mechanism comprises a gear motor, a rotating shaft, a driving gear, a driven gear, a rotating ring, a linkage ring, a positioning ring, a brake wheel, a butt joint shaft, a plurality of anti-inversion grooves and a plurality of inclined sliding frames. According to the invention, the brake mechanism is synchronously embedded at the periphery, so that the brake wheel has the advantages of realizing embedded brake for a plurality of anti-inversion grooves outside the brake wheel, quickly performing brake and being better in brake timeliness, thereby solving the problem that once the torque force of shaft body inversion is greater than the brake friction force, the inversion is still generated, and the service life of the brake wheel is prolonged. Braking is difficult in time to achieve rapid anti-reverse braking, and the braking timeliness is poor.

The invention relates to an inertia preventing device with a torque testing function, and relates to the technical field of inertia preventing devices, the inertia preventing device comprises a motor, a shaft steel sleeve, an inertia wheel, a friction column, a spring, an adjusting screw rod and a force measuring piece, the shaft steel sleeve is arranged on an output shaft of the motor in a sleeving mode; the inertia wheel is coaxially and fixedly connected with the shaft steel sleeve; the friction column is mounted in the inertia wheel; one end of the spring is fixedly connected with one end, far away from the shaft steel sleeve, of the friction column, and the other end of the spring is connected with the adjusting screw rod; one end of the adjusting screw rod is rotationally connected to the inertia wheel, and the other end of the adjusting screw rod is propped against one end, far away from the friction column, of the spring; the two ends of the force measuring piece are connected with the friction column and the inertia wheel respectively, and the force measuring piece is used for detecting the friction force between the friction column and the inertia wheel. The method has the effect of improving the system stability.

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 braking device for a vehicle may have a braking band of a brake disc of a disc brake. Close to the inner band edge at least a first inclined boss protrudes towards the inside of the ventilation duct having a first boss direction forming a first acute angle with the radial direction. Close to the inner band edge at least a second inclined boss protrudes towards the inside of the ventilation duct without reaching the opposite inner surface having a second boss direction forming a second acute angle with the radial direction. The inclination of the second boss direction with respect to the radial direction is opposite to the inclination of the first boss direction with respect to the same radial direction.

The present invention relates generally to an electromechanical frame brake (10). The electromechanical frame brake (10) comprises a floating frame (18) composed of several parts and a brake piston (62) that is axially displaceable by means of a spindle drive (64), is mounted on a spindle (52) of the spindle drive (64), and is guided in a piston housing (24). The floating frame (18) has the piston housing (24), lateral struts (26), and an outer cross member (22) connected to the piston housing (24) via the struts (26). The cross member (22) carries an outer brake lining (40). The floating frame (18) is mounted in a brake carrier (20) of the frame brake (10) via axial linear guides (30) and is axially displaceable with respect to the brake carrier (20).The brake carrier (20) has a receptacle (86) with a cylindrical guide surface (88) for the piston receptacle housing (24) which is axially displaceable therein.

The invention relates to the technical field of vehicles, in particular to a strip spring brake and a braking system thereof. The band-shaped spring brake comprises a support assembly, a pressing rod, two brake assemblies and a springback assembly. The pressing rod is connected with the support assembly. The brake assembly comprises a driving unit, a base unit and a friction plate, the driving unit is in driving connection with the base unit, and the friction plate is connected with the base unit. The pressing rod is slidably connected with the base unit. The springback assembly comprises a supporting unit and two first springback units, one end of each first springback unit is connected with the supporting unit, and the other end of each first springback unit abuts against the friction plate. The supporting unit is connected with the pressing rod and abuts against the base unit in the second direction. In the braking state, the first abutting position and the second abutting position move in the same direction till the distance between the first abutting position and the central axis of the driving unit is smaller than the distance between the second abutting position and the central axis of the driving unit, and therefore the problem of how to make the elastic force of the strip-shaped spring brake elastic piece sufficient under the condition that the cost is limited is solved.

The invention belongs to the technical field of impact tests, and discloses a buffer friction braking device suitable for high-speed moving objects with different diameters, which comprises a gas high-pressure chamber and a guide cylinder hermetically connected with the gas high-pressure chamber, and a quick-response pressure relief device is arranged at one end, connected with the guide cylinder, of the gas high-pressure chamber. The accelerated object is arranged on the side, away from the gas high-pressure chamber, of the quick response pressure relief device, the guide cylinder is provided with a braking device, the braking device comprises a friction sleeve movably arranged in the guide cylinder, and a buffering energy absorption structure is arranged in the friction sleeve; and the brake friction sleeve is fixed at the tail end of the guide cylinder, and a brake friction plate is arranged in the brake friction sleeve. The invention further provides a control method, the device and the method are simple in structure, meanwhile, the cost is reduced, and the safety performance and the stability performance are improved.