365results about "Drum brakes" 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.

The invention relates to a housing part for a clamping and / or braking device and to a clamping and / or braking device having such a housing part. The housing part comprises: a first edge of the housing part and a second edge of the housing part opposite the first edge; an annular recess arranged between the second edge and the first edge for clamping an annular spring plate between a first bearing surface of the housing part defined by the recess and a second bearing surface of the housing part defined by the recess; a clamping element having a clamping surface which is designed, when the spring plate is clamped in the recess between the first bearing surface and the second bearing surface in such a way that a first end of the spring plate is supported on the first bearing surface and a second end of the spring plate presses onto the second bearing surface, to transmit a clamping and / or braking force to an object to be clamped and / or braked; a first housing contact surface which extends between the first edge and the first bearing surface; wherein at least one groove for receiving a sealing means is arranged on the first housing contact surface.

Normally closed brake with superimposed braking. The electric push device (2) includes a push rod device (4), a motor (5) and a one-way control mechanism (9). The rotating shafts in the transmission system of the electric push device are the motor shaft (5a), the threaded rotating shaft (4a) in the push rod device (4) and the connecting shaft (9a) in the one-way control mechanism (9). There are various matching connection methods between the connecting shaft (9a) and the inner ends of the motor shaft and the threaded rotating shaft; there is a double-stage braking force source component composed of a first braking spring component (7) and a second braking spring component (16) in the push rod device. The end of the electric push rod device has a connecting ear (8a) that is hinge-connected to the driving end (3c) of the brake arm in the braking mechanism (1). The first braking spring component realizes primary braking, and the second braking spring component realizes superimposed braking, which can overcome the deficiency that affects the braking effect when the braking gap increases in the prior art, improve the reliability and stability of the braking effect, and reduce the maintenance workload.

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 invention relates to a brake device (1) for a rail vehicle, comprising: a wheel set (99), a wheel (9) which can be rotated about a wheel axis (x), an eddy-current brake (2A; 2B) which comprises an eddy-current rotor (22A; 22B) and an eddy-current stator (21A; 21B), and a friction brake (3) which comprises a friction rotor (32) and a friction stator (31), wherein - the eddy-current brake (2A; 2B) and the friction brake (3) can be activated sequentially by a single actuation device (7), - the eddy-current rotor (22A; 22B) has a disc-type design and is connected to one side of the wheel (9) so as to be aligned coaxially to the wheel axis (x), - the eddy-current stator (21A; 21B) can be moved in front of the eddy-current rotor (22A; 22B) in the direction of the wheel axis (x), and - the wheel (9) is provided with a wheel rim (92) that is used as a friction rotor (32) and has an end surface (921) which is oriented radially outwards with respect to the wheel axis (x) and is used as a brake surface and against which the friction stator (31) can be moved.

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 invention relates to an assembly comprising a railway braking system (4) for a railway vehicle (1) with brakes having at least one lining or at least one shoe as well as a set of devices for equipping the railway braking system (4), comprising a first device (90) provided with a first mounting member, a second device (21) provided with a second mounting member, and a third device (33) provided with a third mounting member, the assembly comprising a common interface body (34) that is mechanically secured to the actuating mechanism (15) and is at least temporarily mechanically secured to the rotary actuating apparatus (16) and is configured to receive each of the first mounting member, the second mounting member and the third mounting member for at least temporarily mechanically securing at least one of the first device, the second device and the third device to the actuating mechanism (15) and / or to the rotary actuating apparatus (16).

A brake assembly is suitable for use in conjunction with a wheel having a rim rotatably mounted to an axle. The brake assembly includes a rotor configured to rotate about the axis with the rim. The rotor has a first frustoconical rotor surface and either a conductive element or a magnet. The brake assembly further includes a stator fixed in rotation about the axis and configured for selective translation parallel to the axis. The stator has a first frustoconical stator surface proximate to the first frustoconical rotor surface and a conductive element, when the stator has a magnet, or a magnet, when the stator has a conductive element.

The present embodiments provide a wheel module and a vehicle having the same, the wheel module comprising: a steering knuckle rotatably coupled to a lower arm coupled to a vehicle body to steer a road wheel; a connecting rod having a lower end coupled to the upper end of the steering knuckle; a steering system attached to the vehicle body and coupled to the upper end of the connecting rod to steer the road wheel; a suspension system having one end coupled to the steering knuckle and the other end coupled to the connecting rod; a wheel drive system installed on the inside of the road wheel to provide rotational force to the road wheel; and a braking system installed on the inside of the wheel drive system to adjust the rotational speed of the road wheel.

The invention relates to an anti-lock device (1) for a wheel, which is arranged in a hydraulic pressure circuit between a master cylinder (2) and at least one brake caliper (3) of the wheel, in particular for an aircraft. According to the invention, the device comprises: a centrifugal element (4) attached to a rim (5) of the wheel and movable from a retracted position when the wheel is rotated at a speed below a threshold rotational speed to a deployed position due to centrifugal force when the wheel is rotated at a speed beyond the threshold rotational speed; a pressure regulating system (6) comprising a hydraulic inlet (6a) connected to the master cylinder (2) and a hydraulic outlet (6b) connected to the hydraulic inlet of the brake caliper (3), the pressure regulating system (6) is movable between a hydraulic circuit closed position when the centrifugal element (4) is in the retracted position and a hydraulic circuit open position driven by the centrifugal element (4) in the deployed position.

A braking structure of a rollator and a rollator are provided, the barking structure includes an internally hollow handlebar, the handlebar is provided with an insertion port, the insertion port is movably provided with a brake handle connected to a brake cable, and further includes a first positioning pin penetrating on the handlebar and connected to one end of the brake handle located within the insertion port; a brake component, a middle of the brake component is connected to one end of the brake handle near the insertion port and connected to the brake cable; a second positioning pin penetrating on the handlebar and connected to one end of the brake component away from the brake cable. The brake handlebar can drive the brake component to rotate around the second positioning pin.

The utility model discloses a floating type hydraulic brake, which relates to the field of hydraulic brakes and comprises a main mounting plate, the top surface of the main mounting plate is vertically, downwards and symmetrically welded with supporting vertical rods, the top ends of the supporting vertical rods are horizontally and fixedly welded with an auxiliary top plate, and the top surfaces of the main mounting plate and the auxiliary top plate are symmetrically provided with mounting through holes. Fixed top blocks are symmetrically welded to the top face of the main mounting plate, an overturning arc rod is vertically arranged on the side edge between the fixed top blocks, a fixed paired block is in butt joint with the inner side edge of the overturning arc rod, a brake pad is fixedly arranged on one side edge of the fixed paired block, and a limiting top rod is fixedly connected to the top end of the overturning arc rod. Auxiliary side rods are horizontally and symmetrically arranged on the two side edges of the overturning arc rod, multiple limiting and guiding structures are adopted, so that the situation of deflection and dislocation is not likely to be formed when the overturning arc rod is used for braking, and the situation of shaking is avoided when the overturning arc rod is installed and used for braking through the fixing and limiting structures on the upper face and the lower face.

This invention provides an AI-predictive control-based intelligent braking system for a CNC rotary table, belonging to the fields of intelligent manufacturing and CNC technology. It solves the problems of lag response, lack of intelligent prediction and adaptive capabilities, insufficient control precision, and long-term performance degradation found in existing CNC rotary table braking systems. This AI-predictive control-based intelligent braking system for a CNC rotary table includes a state acquisition module, an AI prediction module, a pressure control module, a wraparound braking execution structure, and a feedback correction module. By introducing an AI prediction mechanism and a self-correcting feedback loop, this invention achieves intelligent, adaptive, and highly responsive braking control, improving the positioning accuracy, braking stability, and overall energy efficiency of the CNC rotary table. It boasts advantages such as significantly improved response speed, high positioning accuracy, strong adaptive capability, smooth braking process, and high level of intelligence.

The application discloses a compact locking device, a control system and a method in the field of rail transit. The device comprises a lock body, a power unit, a transmission mechanism, a brake device and a spring friction brake device. The transmission mechanism comprises a speed reducer, a lock tongue and an energy storage element. The spring friction brake device comprises a control unit and an execution unit. The control unit is fixed on the lock body, and the execution unit is installed at the end of the non-longest shaft of the transmission mechanism. The spring friction brake device can control the rotation state and the braking state of the transmission mechanism. The transmission mechanism transmits the driving force of the power unit to unlock or lock the lock tongue. The overall size of the device is reduced, and the weight is reduced. The stability of the braking performance is further improved by the spring friction brake device cooperating with the respective spring connection. The spring friction brake device has no running-in period and better adaptability.

The invention relates to a rail vehicle brake, in particular for freight wagons, comprising a monitoring device and to a method for monitoring a rail vehicle brake. A rail vehicle brake (1), in particular for freight wagons, has a brake lever (1a) comprising a brake shoe (5), a brake cylinder (3), a lever adjuster (4) and a monitoring device (10). The monitoring device (10) has a detection unit (7, 7a, 7b, 7c, 7d, 8, 9) comprising corresponding sensors (71, 72, 73, 74, 75, 77, 81, 82, 90) which are formed by access to an electrical energy supply network of a rail vehicle to be equipped with the supply of electrical energy. A rail vehicle and a method for monitoring a rail vehicle brake (1) are provided.

Pneumatically actuated drum brake (100) for a vehicle (200a), in particular a commercial vehicle (200b), wherein the drum brake (100) comprises: a brake drum (110) with two radially extended annular braking surfaces (115); a brake carrier (120) arranged radially inside the brake drum (120); an annular brake lining arrangement (130); and a pneumatically actuated ring piston arrangement (160) for applying an axially acting clamping force of the brake lining arrangement (130) against the braking surfaces (115); wherein the brake carrier (120) comprises an air supply arrangement (125); and the air supply arrangement (125) is configured to be pneumatically actuated for the pneumatic actuation of the ring piston arrangement (160).

The invention relates to a braking device (19) for a roller (1), wherein the roller (1) comprises at least one roller body (5) rotatable about at least one rolling axis (7), which is at least partially hollow cylindrical, and wherein the braking device (19) can be arranged at least partially within the roller body (5), and wherein the braking device (19) has at least one first brake shoe (63) pivotable about at least one first pivot axis (65) extending parallel to the rolling axis (7), wherein the braking device (19) further comprises at least one first guide axis (69) operatively connected with the first brake shoe (63) and at least two retaining elements (53, 59) rotatable about the rolling axis (7), wherein the first pivot axis (65) and the first guide axis (69) are mounted in the retaining elements (53, 59) such that a relative rotation of the retaining elements (53,59) a circular distance between the first pivot axis (65) and the first guide axis (69) about the roll axis (7) can be varied, while the first pivot axis (65) and the first guide axis (69) maintain a constant radial distance to the roll axis (7); as well as a roller and a transport vehicle.

The invention relates to the technical field of thermal power plants, in particular to a brake device of a thermal power plant boiler fan, which comprises a fixing assembly, a driving assembly and a brake assembly, and the driving assembly comprises a driving part, a transmission part and a braking part, the driving part is arranged on the fixing assembly and used for providing driving force, the transmission part transmits the driving force to the braking part through self rotation, and the braking part is driven to push the braking assembly to abut against the draught fan by moving in the axial direction of the transmission part. By arranging the fixing assembly, the driving assembly and the brake assembly, the fan can be quickly braked by utilizing the friction force between the brake assembly and the fan, the impeller is kept in a static state, the reverse torque of the reverse impeller does not need to be overcome, the starting current is remarkably reduced, and the electrical impact and mechanical damage to a motor winding and a bearing are reduced.

A brake lining (3, 130, 230) for a radially actuated drum brake (1) of a commercial vehicle comprises a lining carrier (32, 132, 232), at least one friction lining (31, 131, 231) arranged on the lining carrier (32, 132, 232) with a friction surface shaped as a circular arc segment in a circumferential direction, and a pressure piece (7, 170, 270) attached to the lining carrier (32, 132, 232), wherein the pressure piece (7, 170, 270) is held in the radial direction by means of at least one retaining element by means of a positive and / or frictional engagement. A drum brake is further described.

The utility model relates to the technical field of brakes, and provides a permanent magnet drum type electromagnetic brake which comprises a machine shell, a stator, a reset element and a rotor and further comprises a permanent magnet magnetized in the radial direction, the rotor is arranged in the machine shell in a penetrating mode, the permanent magnet is fixedly arranged on the rotor in a sleeved mode, the stator is arranged on the outer side of the permanent magnet, and the reset element is connected between the stator and the machine shell. The stator is attracted by the permanent magnet to generate pressure during power loss, so that braking is formed; the magnetic force generated when the stator is electrified repels the magnetic force of the permanent magnet, the stator is pulled open by the reset element, and braking is relieved. Compared with a traditional drum-type electromagnetic brake, a mechanical force transmission structure is not needed, the structure is simplified, braking and braking releasing are achieved only through the action of a magnetic field, and the response speed is increased.

A device and method for selectively restricting and for preventing rotation of a shaft are provided. The device includes a plunger disposed along an axis of rotation having first and second ends, a biasing element disposed along the axis abutting the second end, subjected to a pre-load, and a cross-pin slot, a stationary locking plate including first radially disposed locking teeth disposed at a first draft angle, a rotary locking plate including second radially disposed locking teeth disposed at a second draft angle, the radially disposed locking teeth configured to prevent rotation of the rotary locking plate when mutually engaged, a cross-pin disposed in the cross-pin slot and through the plunger perpendicular to the axis and received in the cross-pin hole. When sufficient force is applied to the first end, the second end compresses the biasing element, thereby permitting rotation. When torque applied is below breakaway torque, rotation is prevented.

The application discloses a novel brake shoe device and relates to the technical field of brake shoes, which comprises a brake cover, a brake groove is formed in the inner side of the brake cover, a first arc-shaped brake shoe and a second arc-shaped brake shoe are arranged in the brake groove, an adjusting structure is connected to the left ends of the first arc-shaped brake shoe and the second arc-shaped brake shoe, an elastic structure is arranged between the first arc-shaped brake shoe and the second arc-shaped brake shoe, and a pushing structure is connected to the right ends of the first arc-shaped brake shoe and the second arc-shaped brake shoe. The application has the advantages of good braking effect, safety and stability, and strong practicability.

The application discloses an electric control wheel cylinder with built-in motor gear device. In the electric wheel cylinder, a horizontal cylinder hole is formed in a cylinder body, and a piston piece is arranged at both ends of the horizontal cylinder hole. A motor is located outside a screw sleeve, and one end of the screw sleeve is sleeved with one end of a screw rod through threads. The motor and a sun gear are coaxially fixedly connected, the sun gear is provided with a central through hole, and the sun gear is provided with meshed planetary gears around the sun gear. The sun gear and the planetary gears are hingedly connected to a planet carrier, and the end of the screw rod after passing through the central through hole of the sun gear is connected in an axially movable mode. The screw sleeve and the screw rod extend to the hole ends of the horizontal cylinder hole and are connected with the piston pieces at both ends. The application designs a transmission mechanism of the whole electric control wheel cylinder, can realize the braking process through the electric control mode, and can integrate the parking brake and the service brake into one.

The brake device comprises a driving wheel, a driven wheel, a brake disc and a bead block, the bead block can be arranged between one end of the driving wheel and one end of the driven wheel in a radial moving mode, a linkage groove is formed in one end of the driving wheel, and a linkage part is arranged at one end of the driven wheel; when the driving wheel is rotated, one end, in the radial direction, of the bead block is located in the linkage groove, the inner side wall, in the circumferential direction, of the linkage groove is in linkage with the bead block to synchronously rotate, the other end, in the radial direction, of the bead block drives the linkage part to rotate, the linkage part is in linkage with the driven wheel to rotate, and the bead block does not make contact with the inner side wall of the brake disc. When the driven wheel is rotated, the linkage part rotates and pushes the bead block to move towards the brake disc in the radial direction, so that one end, in the radial direction, of the bead block extends out of the linkage groove and is in friction contact with the inner side wall of the brake disc; the mechanical one-way brake structure design is achieved, braking can still be kept when an electronic brake fails, and potential safety hazards are avoided.

The invention relates to a braking and / or clamping device comprising an annular housing which has at least one pneumatic or hydraulic connection and surrounds a rod receptacle oriented in the axial direction, wherein the housing has a base part and a cover part, and wherein at least one annular pressure chamber is located within the housing. The pressure chamber is delimited in the axial direction by means of at least one piston which is movable in the axial direction. The pressure chamber is delimited in the radial direction by means of the outer walls of the housing and by means of at least one inner ring which surrounds an inner wall of the housing, said inner wall having at least one inner wall portion. In the housing, a disk element is disposed on the piston top face, which faces away from the pressure chamber and is oriented in the axial direction. The piston top face is or can be seated against or fastened to said disk element. The inner wall portion is protrudingly located in a cover part or in a base part of the housing. By means of the present invention, a quickly responding braking and / or clamping device having a small stroke and high accuracy is developed.

The utility model relates to the technical field of speed reducers, and discloses a speed reducer capable of braking emergently, which comprises a speed reducer body and a base, the bottom of the speed reducer body is fixed on the top of the base, and a rotating shaft is fixed on an output shaft of the speed reducer body. When the brake clamping block is used for a long time and needs to be replaced, the baffle is pressed, the position of the through hole is parallel to the sliding rod, meanwhile, the movable hole is parallel to the L-shaped rod, normal movement of the sliding rod and the L-shaped rod is not affected, at the moment, the L-shaped rod is pulled, the clamping block is separated from the clamping groove, limiting of the brake clamping block is relieved, the brake clamping block is taken out for replacement, and rapid disassembly and assembly are achieved. The L-shaped rod can be limited by inserting the brake clamping block into the moving block, enabling the clamping block to enter the clamping groove and pulling the baffle, enabling the position of the through hole to be staggered with the sliding rod and enabling the position of the moving hole to be staggered with the L-shaped rod, so that the situation that the clamping block is separated from the clamping groove when the L-shaped rod is accidentally touched during installation can be avoided, and rapid installation is facilitated.