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686results about "Drum brakes" patented technology

Intelligent brake system of surrounding type numerical control rotary table based on AI predictive control

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.
Owner:ZHEJIANG ADVANCED CNC MASCH TOOL TECH INNOVATION CENT CO LTD

Adjustable strap system and related devices and methods

The disclosed strap adjustment device may include a pinion gear secured to an adjustment knob, a first rack secured to a first strap and engaged with the pinion gear, a second rack secured to a second strap and engaged with the pinion gear, a braking element disposed adjacent to an inner surface of a drum, a brake engagement element configured to press the at least one braking element toward the inner surface of the drum to maintain a length of the first strap and the second strap by engagement of the braking element against the inner surface of the drum, and a spiral spring configured to allow for an increase in a length of the first strap and the second strap when a tension force is applied to at least one of the first strap or the second strap.
Owner:META PLATFORMS TECHNOLOGIES LLC

Brake control device, mechanical brake device, and brake control system

A brake control device (1) controls a mechanical brake device (30) comprising: a booster mechanism; a pressing mechanism (31) that presses the booster mechanism by means of an output shaft that slides in response to rotation of a motor (32); and a biasing mechanism that applies force to the booster mechanism by means of a biasing member. The brake control device (1) comprises a drive driver (14) and a mechanism control unit (19). The drive driver (14) converts, in accordance with a target torque, electric power supplied from a power supply device (42) into electric power that is to be supplied to the motor (32), and outputs the converted electric power to the motor (32). The mechanism control unit (19) either permits or limits applying of force to the booster mechanism by the biasing mechanism provided to the mechanical brake device (30).
Owner:MITSUBISHI ELECTRIC CORP

Lock-off descent control systems and devices

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.
Owner:TRUBLUE LLC

Double-locking pneumatic shaft lock structure

The utility model relates to the technical field of pneumatics, in particular to a double-locking pneumatic shaft lock structure which comprises a fixing seat, an end cover and a locked shaft. A clamping sleeve is arranged in the fixed seat, a guide sleeve is arranged in the end cover, and the outer wall of the locked shaft is sleeved with the guide sleeve and the clamping sleeve; the lock sleeve is sleeved on the outer wall of the guide sleeve through a steel ball, the locking piston is sleeved on the outer wall of the lock sleeve, and the locking piston is in a Z shape rotating by 90 degrees. And the side end of the locking piston is in contact connection with the end cover. Through precise matching of the guide sleeve, the clamping sleeve, the locking sleeve and the locking piston, stable locking of a locked shaft is achieved, the structure is compact, operation is stable, and the operation efficiency and safety of equipment are effectively improved; the inclined design of the outer wall of the jacket and the opposite inclination of the inner wall of the locking piston are matched with the action of the first spring and the second spring, so that a double-locking mechanism is formed, and the stability and the reliability of the shaft lock under complex working conditions are ensured.
Owner:FUJIAN XINYANG PNEUMATIC CO LTD

Method for improved friction wear adjustment of a motor vehicle wheel brake and motor vehicle wheel brake system comprising an improved friction wear adjustment method

A core aspect of the present invention relates, in the broadest sense, to a motor vehicle wheel brake system, including a device and operating method aimed at safety-relevant brake system monitoring with regard to proper function and / or the detection of functional deficiencies. Automatic initiation of a countermeasure to eliminate the deficiency is possible. The invention can, according to predefined and detected criteria or in the event of a detected compensation deficiency, electronically and automatically request and initiate a forced activation of an adjusting device / adjuster 8 of a wheel brake 2 for friction wear compensation. The routine is initiated, and its execution is controlled and monitored by the electronic control unit (ECU). It is possible to reproducibly log the successful or failed execution of the process in a non-volatile memory area.The readjustment routine is based in particular on automatically, namely electro-hydraulically metered and externally monitored, applied service brake force when the vehicle is stationary in the case of an electrically combined drum brake.
Owner:CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH

Electric vehicle hub brake

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.
Owner:TAIZHOU YUHENG PRECISION MACHINERY CO LTD

Braking and / or clamping device with piston-loadable disc elements

The invention relates to a braking and / or clamping device which has at least one pneumatic or hydraulic connection and which comprises a ring-shaped casing surrounding an axially oriented rod receiving part, the casing having a bottom part and a cover part, and at least one ring-shaped pressure chamber is arranged inside the casing. The pressure chamber is delimited in the axial direction by at least one axially movable piston. The pressure chamber is delimited in the radial direction by an outer wall of the casing and by at least one inner ring surrounding an inner wall of the casing having at least one inner wall section. A disk element is arranged in the casing on an axially oriented upper piston surface facing away from the pressure chamber, the piston upper surface resting against the disk element or being restable against it or being fixed. The inner wall section protrudes and is arranged in the cover part or in the bottom part of the casing. According to the invention, a braking and / or clamping device is developed which has a small stroke and is highly accurate and reacts quickly.
Owner:マルティンツィマー +1

Heavy vehicle brake assembly

A heavy-vehicle brake assembly is provided. The brake assembly includes: a braking element including friction material having an engaging face, the braking element configured to be actuated in a braking operation so that the engaging face of the friction material engages a braking surface to slow a heavy-vehicle; and a wear sensor assembly. The wear sensor assembly comprises: an ultrasonic sensor for emitting and detecting high-frequency sound waves; and a sacrificial member having an engaging face arranged to face the braking surface, wherein the sacrificial member is arranged such that sound waves emitted by the ultrasonic sensor pass through the sacrificial member; wherein the engaging face of the sacrificial member is flush with the engaging face of the friction material of the braking element and the sacrificial member is configured to actuate together with the braking element during the braking operation so that the engaging face of the sacrificial member also engages the braking surface.
Owner:MERITOR HEAVY VEHICLE BRAKING SYSTEMS (UK) LIMITED

IMPROVED LINEAR ACTUATOR

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.
Owner:LINEATEC

Braking and / or clamping device having a piston-loadable disk element

A braking and / or clamping device includes an annular housing which has a pneumatic or hydraulic connection and surrounds an axially oriented rod receptacle. The housing has a base part and a cover part. An annular pressure chamber is disposed within the housing. The pressure chamber is axially delimited by a piston which is movable in the axial direction. The pressure chamber is radially delimited by the outer walls of the housing and by an inner ring which surrounds an inner wall of the housing. The inner wall has an inner wall portion. In the housing, a disc element is disposed on the piston top face, which faces away from the pressure chamber and is axially oriented. The piston top face is seated against or fastened to the disc element. The inner wall portion is protrudingly located in a cover part or in a base part of the housing.
Owner:ZIMMER MARTIN +1

An electric push rod with a hand-screw release device

ActiveCN112096819Bfast retractionQuick retractGearingDrum brakesElectric machineTransmission technology
The present invention discloses an electric push rod with a hand-turned release device, which belongs to the field of linear transmission technology, and includes a housing, a driving motor, a transmission assembly, a rotating screw and a transmission nut, and also includes: a clutch device for connecting or cutting off the power transmission between the transmission assembly and the rotating screw; a self-locking device for generating friction resistance to the rotating screw when the rotating screw is reversed; a hand-turned release device, including a release knob, a first driving member connected to the clutch device, a second driving member for connecting the self-locking device, and the release knob presenting an initial state and a fully released state through rotational motion, and from the initial state to the fully released state, the first driving member drives the clutch device to disconnect the power connection, and the second driving member drives the release torsion spring to loosen. The advantage of the present invention is that the hand-turned release device can control two devices, and the operation is smoother and more convenient.
Owner:ZHEJIANG JIECHANG LINEAR MOTION TECH

Support device for a vehicle flap and method for mounting the support device

The invention relates to a support device, in particular for a vehicle flap, comprising a housing connectable between the vehicle flap and the vehicle body, with at least a first housing part and a second housing part, wherein the first housing part and the second housing part are telescopically guided and displaceable relative to each other, a spindle drive coupled to the housing, wherein the spindle drive comprises a spindle rod and a spindle nut engaged in threaded engagement with the spindle rod, wherein one of the spindle rod and spindle nut is rotatable in the housing about a spindle axis and the other of the spindle rod and spindle nut is arranged in the housing in a rotationally fixed manner, and a first braking device (16) coupled to the one of the spindle rod and spindle nut for braking the rotation of the one of the spindle rod and spindle nut.wherein the first braking device (16) comprises a first centrifugal body (24) and a second centrifugal body (25), which are rotatable about a central axis of rotation (D), wherein the first braking device (16) can be activated by centrifugal forces by rotation relative to the housing about the central axis of rotation (D). A support device, in particular for a vehicle hatch, which reliably and safely brakes or prevents an unintentional closing movement of the vehicle hatch in any position of the vehicle hatch and can be installed in a time-saving manner, is created by the fact that the first centrifugal body (24) and the second centrifugal body (25) consist at least partially of a ferromagnetic material.
Owner:EDSCHA MECHATRONICS SOLUTIONS GMBH

Power transmission device

A power transmission device includes a transmission mechanism including a planetary gear set, a first engagement element, and a second engagement element. The first engagement element is a band brake configured to be engaged when the transmission mechanism is in a low gear speed. The second engagement element is a multi-plate friction clutch configured to be engaged when the transmission mechanism is in a high gear speed. The multi-plate friction clutch includes a driven plate and a drive plate. The band brake overlaps with the driven plate and the drive plate of the multi-plate friction clutch in a radial direction.
Owner:JATCO LTD

Arrangement for actuating a pawl to shift a gear in a bottom bracket gearbox of a bicycle or pedelec.

An arrangement for actuating at least one pawl (1) for locking or releasing a rotatable transmission component (2) for shifting a gear in a bottom bracket gearbox (3) of a bicycle or pedelec (4) is proposed, wherein the pawl (1) can be actuated via a first rotatably controlled cam ring (5) to engage a locking tooth (6) of the transmission component (2), wherein the transmission component (2) is associated with at least one friction brake which can be actuated via a second rotatably controlled cam ring (7), wherein the first cam ring (5) and the second cam ring (7) each have a cam track (8, 9) along their outer circumference for actuating the pawl (1) and the friction brake. Furthermore, a bottom bracket gearbox (3) with at least one arrangement and a bicycle or pedelec (4) with the bottom bracket gearbox (3) are proposed.
Owner:ZF FRIEDRICHSHAFEN AG

Novel brake and hub motor

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.
Owner:ALTRA IND MOTION SHENZHEN CO LTD

Detention brake gear and detention brake system

To provide a detention brake gear and a detention brake system capable of preventing dragging of a vehicle in an unreleasable state after connection.SOLUTION: A detention brake gear 11 and a detention brake system 10 comprise: a detention brake cylinder 20 that is provided in a trailer 3 of a freight train 1 and that outputs a detection brake force of a detection brake for retaining the trailer 3 to a brake lever 32 for braking wheels of the trailer 3 by means of a brake spring 24, and cancels a pressing force of the brake spring 24 by a piston 22 when compressed air is supplied; and a selector valve 13 that supplies, when the trailer 3 is connected to a connection vehicle 4 constituting the freight train 1, the compressed air of an air storage pipe 5 drawn from the connection vehicle 4 to the detention brake cylinder 20 to cancel the pressing force of the brake spring 24 by the piston 22, and releases the detection brake.SELECTED DRAWING: Figure 1
Owner:NABTESCO CORP

Non-backdriving rotation transmission mechanism

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.
Owner:FOND INST ITAL DI TECH

Wheel module and vehicle having same

The present embodiments provide a wheel module and a vehicle having same, the wheel module comprising: a knuckle rotatably coupled to a lower arm, coupled to a vehicle body, to steer a road wheel; a connection link having a lower end coupled to the upper end of the knuckle; a steering system fixed to the vehicle body and coupled to the upper end of the connection link to rotate the connection link and thereby steer the road wheel; a suspension system having one end coupled to the knuckle and the other end coupled to the connection link; a wheel driving system installed on the inside of the road wheel to provide a rotational force to the road wheel; and a braking system installed on the inside of the wheel driving system to adjust the rotational speed of the road wheel.
Owner:HL MANDO CORP

Clearance-adjustable drum brake

The utility model discloses a gap adjusting drum brake which comprises a brake bottom plate and two brake shoe friction plate assemblies which are symmetrically and movably installed on the brake bottom plate, one ends of the two brake shoe friction plate assemblies are connected through a gap adjusting device, and the other ends of the two brake shoe friction plate assemblies are connected through a brake push rod. One end of the brake push rod is connected with the brake zipper through a brake pull rod; the gap adjusting device comprises an adjusting sleeve and an adjusting core which are arranged in a sleeved mode, a ratchet wheel is connected to the adjusting core in a threaded mode, and the end of the adjusting core extends out of the ratchet wheel and then is located in the adjusting sleeve. The gap adjusting device is installed between the two brake shoe friction plate assemblies, the gap between the drum brake and the brake drum is adjusted by adjusting the length of the gap adjusting device, and the braking effect is improved.
Owner:ANHUI HELI CO LTD

Braking device for a personal mobility vehicle

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.
Owner:RAZOR USA LLC

Brake assembly and method for operation of said assembly

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.
Owner:TRANSPORTATION IP HOLDINGS LLC

Retractor for a belt for retaining objects in space environments

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.
Owner:SABELT

Housing part for a clamping and / or braking device

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.
Owner:MEMA MASCH & APPARATESCHUTZ GMBH

Drum brake and axle assembly of commercial vehicle

ActiveCN222479284UIncrease axial dimensionEliminate fit gapsBraking membersDrum brakesInterference fitCam
The utility model discloses a drum brake of a commercial vehicle and an axle assembly. The drum brake of the commercial vehicle comprises a brake bottom plate, two brake shoes and a cam shaft, the brake shoe comprises a wing plate, two opposite web plates and a friction plate, each web plate comprises a first end and a second end, a pin roller is installed between the first ends of the two web plates, a supporting pin is installed between the second ends of the two web plates, each web plate comprises a first section, a deviation section and a second section, the first section extends to the deviation section from the first end, and the second section extends to the deviation section from the second end. The offset section is connected between the first section and the second section so that the distance between the second sections of the two web plates can be larger than the distance between the first sections of the two web plates. Two pin holes are formed in the brake bottom plate, the supporting pins on the two brake shoes are connected into the two pin holes in a penetrating mode respectively, and the supporting pins are in interference fit with the inner walls of the pin holes. And an S-shaped cam is arranged on the cam shaft and is arranged between the pin rollers on the two brake shoes. According to the utility model, the problem of eccentric wear of the friction plate is solved, and the braking safety of a vehicle is improved.
Owner:GUANGDONG FUWA HEAVY IND

Brake device for preventing fault inversion of induced draft fan

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.
Owner:CHINALCO SHANXI JIAOKOU XINGHUA TECH CO LTD

Normally closed brake with superimposed braking

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.
Owner:长沙雅创智能科技有限公司