477results 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.

IMPROVED LINEAR ACTUATOR Linear actuator (1) comprising: - a linear unit (2) capable of generating linear motion, - a motor (3) for motorized drive of the linear unit (2), comprising a drive shaft (4), - a drive connection (5) extending from the motor (3) to said linear unit (2), - a centrifugal brake (6), connected to the drive shaft (4) and / or to the drive connection (5) via a one-way clutch device (7).The one-way clutch device (7) is configured such that: - when the drive shaft (4) or the drive connection (5) is driven in a first direction of rotation, the centrifugal brake (6) is not driven in rotation by said drive shaft (4) and / or said drive connection (5), and therefore produces no braking torque; - when the drive shaft (4) or the drive connection (5) is driven in a second direction of rotation, opposite to the first direction of rotation, the centrifugal brake (6) is driven in rotation by said drive shaft (4) and / or said drive connection (5) and can then produce, beyond a predetermined rotational speed, a braking torque on the drive shaft (4) and / or the drive connection (5). Figure to be published with the abbreviation: Fig. 1.

The present application belongs to the technical field of mechanical braking and provides a novel brake and a hub motor. The novel brake comprises: a brake stator, an armature, a main coil, an elastic component, N friction discs, N movable plates and assembly parts, wherein the N movable plates and the N friction discs are alternately arranged, the N-th movable plate and the N-th friction disc are adjacently arranged, the N-th friction disc abuts against a limiting step, and N is an integer larger than or equal to 1. The peripheral size of the N friction discs is larger than the peripheral size of the N movable plates, the peripheries of the N friction discs all being provided with fitting parts, and the fitting parts being configured to fit a braking part. The N friction discs and the N movable plates are all sleeved on the periphery of the brake stator, so that the total thickness of the novel brake is greatly reduced. The friction discs no longer fit a brake axle by means of a central hole, but fit the braking part by means of the fitting parts arranged on the peripheries, so that the novel brake can be applied to a wider range of application scenarios, and the sizes of the brake stator and the armature can be designed more freely, thus reducing the overall size of the novel brake.

Non-backdriving rotation transmission mechanism includes an input shaft, an output shaft, a fixed casing having a cylindrical cavity that includes a cylindrical braking surface, at least one braking element connected to the input shaft and output shaft and adapted to interact with said braking surface, and mechanism for actuating the braking element from a non-braking condition to a braking condition.The braking element includes two brake pads articulated to each other and each having at least one braking contact zone adapted to interact with said braking surface, which brake pads are movable from an engagement position wherein the contact zones are remote from each other and are in contact with said braking surface, to a free position wherein the contact zones are close to each other and are not in contact with said braking surface.

A personal mobility vehicle, such as a scooter, includes at least one battery and motor for powering at least one driven wheel. The vehicle also includes a braking assembly configured to isolate the motor from the at least one driven wheel such that power is terminated from the motor to the at least one wheel in response to a user engaging a braking assembly of the vehicle. The vehicle can include a switch or position sensor that interacts with the braking assembly to initiate the isolation of the motor from the at least one driven wheel and the switch or position sensor preferably is inaccessible to the foot of the user.

Various systems and methods for braking a vehicle are provided. In one embodiment, a brake assembly is provided that includes a lever attachment interface pivotally coupled with two degrees of freedom to a joint between a first lever and a second lever and a brake cylinder coupled to the first lever and designed to engage and disengage a brake lining in a brake component. The brake cylinder includes a slack adjuster configured to adjust a throw of the second lever.

A retractor for a belt for retaining objects in space environments that has an outer housing containing a spool for the belt is associated with a centrifugally activated braking mechanism that allows the belt to unwind normally when the belt is pulled to extract the belt from the belt retractor. During a rewinding phase, the centrifugally activated braking mechanism automatically limits a rewinding speed of the belt on the spool.

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 brake comprises a base, a pushing mechanism, a first brake arm and a second brake arm, the first brake arm and the second brake arm are respectively hinged to the base, and the pushing mechanism is used for driving the first brake arm and the second brake arm to reversely swing respectively based on hinge points of the base. The automatic position following device is characterized in that the automatic position following device comprises a first supporting piece, a second supporting piece, a third supporting piece and a fourth supporting piece, and the first supporting piece is arranged on the braking piece of the first braking arm; the second supporting piece is arranged on the brake piece of the second brake arm; the first guide piece is arranged on the first supporting piece and penetrates through the second supporting piece in the direction parallel to the braking direction of the braking piece, or the first guide piece is arranged on the second supporting piece and penetrates through the first supporting piece in the direction parallel to the braking direction of the braking piece. The two braking pieces are parallel to the braking direction during moving and are in surface contact when making contact with a braking target, and the edge positions are prevented from being greatly stressed and abraded.

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.

An automatic descent control device includes a line configured to be attached to a load. A line system retracts slack from the line when the line is not loaded and extends the line when the line is loaded. At least one braking system provides a braking force when the line is loaded so as to control extension of the line and a descent rate of the load. The at least one braking system is operable in at least two configurations, a first configuration that the at least one braking system lowers the load at a first descent rate, and a second configuration that the at least one braking system lowers or locks the load at a second descent rate. The load being a constant and the first descent rate is greater than the second descent rate.

The invention relates to a wind generating set variable pitch system, and discloses a wind generating set hub blade locking device which comprises a fixed bottom plate (1), a sliding block (2) and a driving device (4), a containing cavity (201) is formed in the end, away from the driving device (4), of the sliding block (2), and a plurality of locking pins (3) arranged side by side are arranged in the containing cavity (201). An elastic connecting structure (7) is arranged between each locking pin (3) and the bottom face of the containing cavity (201), and the driving device (4) can drive the sliding block (2) to slide so that the locking pins (3) can be attached to the tooth face of the variable pitch bearing (5), and then the blades of the wind generating set can be locked. In addition, the invention further discloses a control method of the hub blade locking device of the wind generating set and an impeller system of the wind generating set. The hub blade locking device of the wind generating set is simple in structure, convenient to operate and good in using effect.

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 invention relates to the technical field of workover rigs, in particular to a main roller brake device of a workover rig, which comprises a main roller and brake equipment, a use structure is arranged on one side of the brake equipment, and the use structure comprises a disassembly and assembly mechanism, a buffer mechanism and a protection mechanism. The dismounting and mounting mechanism comprises a placing plate, a bidirectional threaded rod, a threaded plate, clamping plates and a guide rod I. The inner wall of the placing plate is rotatably connected with one end of the bidirectional threaded rod. According to the main roller brake device of the workover rig, the positions of the two clamping plates can be rapidly and conveniently adjusted, and then brake equipment can be rapidly and conveniently fixedly mounted; and the limiting plate can be inserted into the supporting plate for further limiting and fixing, so that the problem that the brake device cannot be quickly and conveniently disassembled and assembled due to the fact that an operator needs to disassemble a large number of fixing bolts during disassembly and assembly every time is solved, and the working efficiency of the brake device is improved.

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).

A drum brake is disclosed. The drum brake comprises: a drum arranged to rotate with a wheel; a pair of brake shoes positioned inside the drum and arranged to move by a wheel cylinder to an inner circumferential surface of the drum; and a lining attached to an outer circumferential surface of each brake shoe and arranged to rub against the inner circumferential surface of the drum as the brake shoe works outwards, the brake shoe comprising an expansion portion made of a material that thermally expands in a radial direction and arranged to compensate for a gap formed between the lining and the thermally expanding drum.

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.