657results about "Brake types" patented technology

The present subject matter discloses an integrated hinge structure for plastic boards. The integrated hinge structure has a simplified design that is screw-free and convenient to assemble. It also has a relatively lower manufacturing cost. The integrated hinge structure can comprise a first board and a second board that can be coupled to each other. Furthermore, the first board is divided into a first turning portion and a second turning portion by an embedded groove hinge. The second turning portion is further detachably connected to the second board. The integrated hinge structure further comprises fixation features to render the constructed assembly stable and durable.

The invention provides a clutch abnormity detection method and device, and relates to the field of clutch state monitoring and fault diagnosis, and the method comprises the steps: obtaining the monitoring parameters of the operation state of a clutch; performing signal filtering and characteristic quantity extraction on the monitoring parameters to obtain characteristic quantities corresponding to the monitoring parameters; comparing each characteristic quantity with an abnormal threshold value configured in a corresponding operation mode, and determining whether a parameter abnormality and a corresponding target abnormal parameter type exist or not; and determining a target clutch fault type corresponding to the target abnormal parameter type based on the corresponding relationship between the configured different abnormal type combinations and different clutch fault types. According to the method, the accuracy and reliability of state monitoring are remarkably improved, and a key decision basis is provided for predictive maintenance.

The invention relates to a shared bicycle brake pad abrasion monitoring system and a monitoring method thereof, and aims to solve the problems that in the prior art, shared bicycle brake pad abrasion monitoring is high in cost and low in precision, and abnormal abrasion cannot be detected, and accurate monitoring is achieved through a multi-parameter correction model of brake frequency statistics and pressure distribution perception. A microswitch is arranged on a brake pedal, three film pressure sensors are arranged on a brake pad steel backing, a brake pressure value, an average effective pressure Pavg and a pressure distribution difference delta P are synchronously collected, a wear estimation model is built by combining working condition data such as temperature and vehicle speed, and a material coefficient k, a vehicle speed correction coefficient f (v) and a temperature correction coefficient g (T) are adopted for multi-dimensional correction, so that the wear estimation precision is improved. And calculating the accumulated abrasion loss and predicting the residual thickness. Accurate recognition of abnormal wear such as eccentric wear and block falling is achieved by analyzing a delta P threshold value and Pavg mutation characteristics, parameter customization of brake pads made of different materials is supported, and a graded early warning function is achieved.

A brake force control method includes: obtaining temperature data of a braking system of a vehicle and driving data of the vehicle during braking of the vehicle; and controlling a brake force output from a brake motor in the braking system according to the temperature data and the driving data.

A brake control apparatus is provided for a vehicle train having a tractor and one or more towed vehicles coupled to the tractor. The brake control apparatus comprises a tractor controller arranged to detect a pressure change in at least one brake line of the vehicle train in response to a brake trigger signal. The tractor controller is also arranged to process the detected pressure change to estimate a combination of the number of the towed vehicles and a total length of the number of towed vehicles coupled to the tractor.

An electromagnetically shiftable positive engagement clutch is shown, having a shifting sleeve which is arranged on a shaft for joint rotation therewith and is linearly displaceable along the shaft between a clutch engagement position and a clutch disengagement position, a clutch body which is aligned coaxially with the shaft, and a stator having at least one energizable drive coil for adjustment of the shifting sleeve along the shaft, wherein in the clutch engagement position there is a positive engagement between the shifting sleeve and the clutch body and thus a rotary connection between the shaft and the clutch body. Moreover, the positive engagement clutch has a stationary sensor device which is arranged adjacent to the shifting sleeve and includes at least one Hall sensor and at least two magnets that magnetically enclose the at least one Hall sensor and are permanently stationary relative to the at least one Hall sensor, with the magnets pointing toward the shifting sleeve and having opposite polarities relative to each other. The sensor device is adjacent to the shifting sleeve in a radial direction so as to be spaced apart therefrom by a radial gap, so that an axial movement of the shifting sleeve is detected by the Hall sensor through a reduction in the radial gap.

A method of monitoring a rotor of a motor vehicle having a caliper assembly driven by a motor for braking the vehicle includes detecting at least one harmonic response during a braking operation indicative of the interaction between the caliper assembly and the rotor. The at least one harmonic response is evaluated during the braking operation and an operator of the vehicle is notified of a condition of the rotor based on the evaluation.

The invention provides a method and device for estimating the abrasion degree of a vehicle brake pad and a medium, and belongs to the technical field of vehicles. The method comprises the steps that braking parameters are obtained, and the current remaining thickness of each wheel brake pad is estimated according to the braking parameters; and according to the current residual thickness of each wheel brake pad, the braking force distribution proportion and the braking duration of each wheel brake pad are dynamically adjusted, and whether the current residual thickness smaller than the set replacement threshold exists or not is judged. And when the current remaining thickness of the wheel brake pad is smaller than the set replacement threshold value, a warning mark corresponding to the wheel brake pad is generated. The brake pad abrasion loss is accurately calculated in real time, a user is reminded of the brake pad abrasion condition in time, the service life of a brake system is prolonged, and safety of the brake system is improved.

Disclosed is an elevator system, having: a car mover for moving an elevator car along a drive track in a hoistway, the car mover having: motor controlled wheels, wherein the car mover is configured to control the motor controlled wheels to move along the drive track; and a parking brake, operationally connected to the car mover and / or elevator car and operationally separate from the motor controlled wheels, wherein the car mover is configured to control the parking brake to move between a deployed state and a retracted state, wherein in the deployed state, the parking brake engages the drive track at a location that is spaced apart from the motor controlled wheels to park the car mover and / or elevator car along the hoistway, and in the retracted state, the parking brake is spaced apart from the drive track.

A brake force control method includes: obtaining (S301) temperature data of a braking system of a vehicle and driving data of the vehicle during braking of the vehicle; and controlling (S302) a brake force output from a brake motor in the braking system according to the temperature data and the driving data, to ensure braking safety of the vehicle.

The invention provides a shaftless drilling winch and an intelligent cooperative control and thermal management method thereof, and the method is implemented based on an embedded controller and a sensor network, and comprises the following steps: data real-time acquisition, intelligent lubrication heat dissipation control, dual-motor dynamic cooperative control, predictive maintenance management based on a health state, and fault tolerance and degradation operation. According to the system, efficient cooperative driving, on-demand accurate heat management and state-based predictive health maintenance of the winch are achieved, the problems that a traditional winch control system is poor in collaboration, extensive in heat management, lack of health management and the like are solved, and the safety, economical efficiency and modernization level of drilling operation are remarkably improved. According to the invention, the winch is changed from traditional mechanical equipment to intelligent equipment with self-sensing, intelligent decision making and active health management capabilities.

The utility model belongs to the technical field of motor application, and particularly discloses a brake device for an integrated magnetism-assisting synchronous reluctance roller motor, which comprises a backstop outer circle body, limiting convex blocks, arc-shaped limiting convex teeth, a backstop inner circle body with a through groove, an outer check ring gasket, an inner check ring gasket, an outer elastic check ring, an inner elastic check ring and the like. The brake device for the integrated magnetism-assisting synchronous reluctance roller motor has the advantages that a one-way brake structure is integrally formed after assembly and used for being matched with a rotating shaft clamping groove in a rotating shaft rotating in the forward direction, the rotating shaft rotating in the reverse direction is automatically and reliably locked, reverse rotation or reverse rotation of equipment is prevented, and the service life of the equipment is prolonged; the occurrence of safety problems is completely eradicated; 2, the whole body adopts a split type design and is convenient to assemble, disassemble and maintain, and meanwhile, a one-way anti-reverse structure is adopted, so that reverse stopping movement is timely and stable;

This invention provides a magnetic sensor that is cost-effective and highly sensitive. The magnetic sensor (1) of this invention comprises: a magnetic field detection element (2); and a plurality of magnets (3A-3C) arranged separately from each other in a first direction (X) and movable relative to the magnetic field detection element (2) in the first direction (X). The plurality of magnets (3A-3C) have a first surface (6A-6C) opposite to the magnetic field detection element (2), and the plurality of magnets (3A-3C) are magnetized such that the first surfaces (6A-6C) of two adjacent magnets (3A-3C) have different polarities in a second direction (Y) intersecting the first direction (X). The magnetic sensor (1) further comprises: at least one soft magnetic body (4A-4C) disposed on the first surface (6A-6C) of at least one magnet (3A-3C).

A bonding material and a preparation method therefor, and a brake pad and a manufacturing method therefor. The bonding material comprises a resin material and filling particles, wherein the filling particles at least partially fill the resin material.

The utility model relates to the technical field of elevator installation and maintenance, and discloses an elevator lock convenient to install, which comprises an anti-sliding plate, a shell, a plier handle and a T-shaped guide rail, and the shell and the plier handle are provided with an auxiliary assembly structure and an abutting device which are used for preliminarily limiting the plier handle. When the pincer handle is pulled to move downwards, the pincer handle firstly abuts against the moving plate, the moving plate is pushed to move downwards, the moving plate can push the abutting arc plate through the push rod, the abutting arc plate rotates at the position connected with the cavity, the abutting arc plate abuts against the triangular block, and the pincer handle is pushed to move towards the side close to the T-shaped guide rail. The clamp handle and the T-shaped guide rail firmly abut against each other, the clamp handle can more tightly abut against the T-shaped guide rail when the clamp handle moves downwards, and the situation that when the clamp handle is slightly abraded after being used for a long time, effective locking cannot be achieved, and danger is caused is avoided.

The invention relates to a method for electrically controlling a parking brake for a motor vehicle, the brake comprising at least one friction means connected to an electromechanical actuator capable of moving the friction means towards a braking member, wherein the following steps are carried out: - defining a clamping force for immobilising the vehicle; - estimating a temperature variation of the braking member from a convective heat transfer model, ignoring conductive and radiative heat transfer phenomena; - defining, from the estimation of the temperature variation, a correction of a clamping to be performed in order to preserve the defined clamping force; and - applying the clamping force with correction of the clamping via the actuator.

The invention relates to a clutch assembly and an electric bicycle. The clutch assembly includes: a clutch; the torque sensor assembly comprises a strain sleeve arranged on the outer side of a clutch in a sleeving mode and used for being in transmission connection with the clutch, the outer wall of the strain sleeve is provided with a strain area and a torque output area in the axial direction, and the thickness of the strain area is smaller than that of the torque output area; and the strain sensing element is fixed on the outer wall of the strain area. The strain sleeve sleeves the outer side of the clutch, so that the torque sensor assembly which originally needs to occupy large axial space of the middle shaft and the clutch are integrated, the axial space of the middle shaft can be saved, efficient utilization of the axial space of the middle shaft is achieved, and the torque sensor assembly and the clutch are preassembled. The operation difficulty is reduced; and the steps of a terminal customer assembly process are simplified. The thickness of the strain area is smaller than that of the torque transmission area, deformation of the strain area is facilitated, and the signal acquisition sensitivity of the torque sensor assembly is improved.

The wheel set brake mechanism comprises a driving piece and a brake assembly, the brake assembly comprises a driving pin, a traction piece, a pushing piece, a pushing piece and a locking piece, the driving pin is connected with one end of the traction piece, the other end of the traction piece is connected with the pushing piece, and the pushing piece is movably arranged in a wheel seat of the baby carriage; the pushing part is movably arranged in the pushing part and connected with the locking part, the driving part drives the driving pin of the brake assembly to move, the pushing part is driven to move through the traction part, and then the pushing part drives the locking part to move so as to lock or unlock the wheels. The one-step double-brake function can be achieved, the structure is simple, and operation is convenient.

A temperature sensor assembly for a brake disc is presented. The temperature sensor assembly for a brake disc according to one embodiment of the present disclosure comprises: a front housing with a transparent window element provided on a front surface facing the brake disc; a sensor module with a sensor for measuring the temperature of the brake disc; a mount coupled to the rear of the front housing and supporting the sensor module; and a rear housing coupled to the rear of the mount, wherein the plane containing the transparent window element is arranged to be inclined at a predetermined angle to an opposite surface of the brake disc where the sensor measures the temperature.

A product-dispensing device comprises an actuator, a locking gear, and a button which are all supported by a housing. The actuator for rotation about the first axis. The locking gear for the rotation between a first position and a second position about a second axis, the locking gear also includes a locking arm to inhibit rotation of the actuator in the second direction about the first axis when the locking arm is in the second position. The button is operably coupled to the locking gear and configured to rotate the locking gear between the first position and the second position.

To provide a braking device of a track traveling type machine capable of simplifying and miniaturizing a structure by reducing the number of component parts and of reducing cost.SOLUTION: A braking device 40 of a track traveling type machine (a container crane 10) includes an equalizer beam 32 on which traveling wheels 31 freely rolling along a traveling rail Rx are provided, and presses a brake pad 41, which is mounted on a lower surface of a pressing frame 43, against the traveling rail Rx to perform braking by telescopic operation of a fluid pressure cylinder 42 provided on the equalizer beam 32. The braking device includes: a support bracket 32b projected from a side surface of the equalizer beam 32 and mounted with the fluid pressure cylinder 42; and a cutout part 33 formed on a lower part of the equalizer beam 32 to be engaged with the pressing frame 43 and receiving horizontal force in the longitudinal direction of the traveling rail Rx acting on the pressing frame 43 in performing braking.SELECTED DRAWING: Figure 1

The present invention provides a vehicle equipped with a suspension-controlled motion resistance member. [Solution] The vehicle includes a body and a chassis coupled to the base of the body. The vehicle further includes a motion resistance member coupled to the base surface of the chassis, a wheel assembly coupled to the chassis, and a suspension unit coupled to the wheel assembly and the chassis. In operation, the suspension unit is configured to move the chassis in a first direction until at least a portion of the motion resistance member contacts the ground below the base surface of the chassis.

The invention relates to a magnetic braking device for a vehicle wheel, the device comprising: at least one stator element (2) arranged to be rotatably connected to a vehicle supporting a portion of the wheel; a rotor element (3) arranged to be rotatably connected to the wheel; a magnet for generating a magnetic flux between the elements, the magnetic flux being capable of generating an eddy current in one of the elements when the wheel rotates; and a brake control unit (11) that receives the brake command as an input to apply a braking force in accordance with the brake command. The magnet comprises at least one electromagnet (9), and the device comprises at least one anti-lock control unit (16) which receives as input a vehicle speed signal and a wheel rotation speed signal and provides as output a signal controlling the electromagnet as a function of a comparison of the speeds from the signals received as input. The invention also relates to an aircraft wheel and a landing gear comprising such a device.

In an assembly in which a motor and a drive shaft are arranged on different shafts, a parking lock mechanism which contributes to miniaturization is realized. The assembly has: a motor; a link shaft connected downstream of the motor; and a parking lock mechanism having a parking gear provided on a shaft that rotates integrally with the rotor of the motor, a parking lever engaged with the parking gear, and a parking actuator that rotates the parking lever. The connecting rod shaft is located on the periphery of the motor. The link shaft and the parking actuator have portions overlapping the motor when viewed from a first orthogonal direction orthogonal to the axial direction of the link shaft. The parking actuator has a portion overlapping the link shaft when viewed from a second orthogonal direction orthogonal to the axial direction and the first orthogonal direction.

The brake mechanism presses the brake pad toward the brake disc by the driving of the electric motor. An ECU for an electric brake estimates a contact position of a brake pad and a brake disc on the basis of a brake characteristic (e.g., a relationship between a motor current and a motor position of an electric motor). An ECU for an electric brake estimates a contact position and / or rigidity using, as a reference (zero), a motor current at a position returning to a prescribed value from a motor position when the motor current reaches a prescribed current due to contact between a brake pad and a brake disc.

The embodiment of the invention provides a temperature processing method for a brake disc, a vehicle and a storage medium, and the method comprises the steps: obtaining the speed of the vehicle, and determining the braking parameters of the vehicle; determining a thermal input power based on the vehicle speed and the braking parameters; the temperature of the brake disc is estimated based on the heat input power and a heat balance equation, and the target temperature of the brake disc is obtained; and in response to the target temperature exceeding the temperature threshold value, thermal protection treatment is conducted on the brake disc. The technical problem that the temperature processing accuracy of the brake disc is low in the prior art is solved.

The present disclosure in some embodiments provides an electro-mechanical brake comprising a piston configured to push a brake pad towards a wheel disc by driving a motor, the electro-mechanical brake comprising: a position detection unit detecting a position of the piston; a current detection unit detecting a value of current flowing through the motor; a motor controller controlling a motor to move the piston toward the wheel disc for a preset time when a vehicle is stopped; and a contact point calculation unit calculating a contact point that is a position of the piston when the brake pad starts to contact with the wheel disc, based on a first position that is a position of the piston when a first current value is detected, using the current detection unit.

The utility model relates to the technical field of brake performance detection of elevator brakes, and discloses a brake wheel and brake shoe gap measuring device of an elevator drum brake, which comprises a shell, a fixing mechanism comprises two measuring bases, one sides, far away from each other, of the two measuring bases are fixedly connected with a guide shaft, and the guide shaft is fixedly connected with the shell. An S-pole magnet is fixedly connected to the interior of the guide shaft, a mounting shaft is slidably connected to the interior of the guide shaft, and an N-pole magnet is fixedly connected to the exterior of the mounting shaft. According to the utility model, the bottom of the mounting shaft is aligned with the interior of the guide shaft, then the mounting shaft is inserted into the interior of the guide shaft, and the plurality of L-shaped grabbing teeth are pushed to rotate in the insertion process of the mounting shaft, so that the mounting shaft is fixed in the insertion process; and the N-pole magnet fixed at the bottom of the mounting shaft is matched with the S-pole magnet in the guide shaft, so that the stability of the measuring mechanism in the measuring process is further ensured, and the measuring effect is improved.