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55results about How to "Stable braking torque" patented technology
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Floating tong type bipushing rod pneumatic disk brake based on rectangular torsional spring single dicrection clutch
ActiveCN1948778ALarge braking torqueConstant braking force ratioAxially engaging brakesBrake actuating mechanismsCalipersDisc brake
The invention comprises a pressure arm unit, a rotation shaft unit, a return spring, a push pedal, an internal friction plate, a brake, an external friction plate, a support and a caliper body arranged in order from right to left. Because of using the rectangular section torsional spring function, in a specific environment the invention can realize a one-way transmission of the torque and also can realize an overload protection effectively. The reasonable design of the pressure arm unit can supply the stable brake moment.
Owner:WUHAN YOUFIN AUTOPARTS
Washing mode of washing machine and fully automatic washing machine
InactiveCN1986942ASignificant comprehensive benefitsImprove washing qualityWashing machine with receptaclesTextiles and paperReduction driveReciprocating motion
A washing mode of washer is characterized by that an axially reciprocating pressure disc is arranged in a washing drum for generating both bidirectionally rotary water stream and axially reciprocating pressure water stream to flush, beat and press the object to be washed. A full-automatic washer with said washing mode is composed of an external drum, an internal drum, a speed reducer or speed-reducing clutch with output axle and axle sleeve, a waving wheel or bottom plate, and an axially reciprocating pressure disc unit in said internal drum.
Owner:ANHUI JULONG TRANSMISSION TECH
Fully automatic retarding clutch for washing machine
InactiveCN101173469ASmall opening forceReduce manufacturing costOther washing machinesToothed gearingsControl systemEngineering
The fully automatic deceleration clutch for washing machines relates to the technical field of washing machines. and the output shaft are respectively connected with the double drive gear mechanism, the brake wheel and the output shaft sleeve are opposite to each other, and the two-way drive is proportional, repeatedly swings and rotates, and relatively powerfully rubs and swings. In the dehydration working condition, through the locking function of the clutch device, the output shaft and the output shaft sleeve can be automatically combined, and at the same time, they can perform high-speed unidirectional continuous rotation and centrifugal dehydration. The structure is simple, the performance of the deceleration clutch of the conventional washing machine is improved, the structure of the control system is simplified, the noise of the washing machine is reduced, and the efficiency and service life of the washing machine are improved.
Owner:NINGGUO JULONG IND
Fully automatic retarding clutch for washing machine
InactiveCN101173470ASmall opening forceReduce manufacturing costOther washing machinesToothed gearingsControl systemEngineering
The invention relates to a full-automatic decelerating clutch for a washing machine, belonging to the technical field of washing machines, comprising an input shaft, an output shaft, an output shaft housing, an input shaft housing, a brake wheel and a double drive gear mechanism. The invention is characterized in that: the double drive gear mechanism is arranged inside the brake wheel, and the input shaft, the output shaft housing and the output shaft are respectively connected with the double drive gear mechanism; the brake wheel and the output shaft housing are reverse mutually, are dual-way driven in proportion, repeatedly swing and rotate, and rub and swing with a relative strength; under a dehydration working condition, via the locking function of the clutch, the output shaft is automatically combined with the output shaft housing, and simultaneously the output shaft and the output shaft housing continuously rotate with high speed in an unidirectional way, and the centrifugal dehydration is processed. The invention has the advantages of boasting simple structure, improving the performance of a decelerating clutch for a conventional washing machine, simplifying the structure of control system, reducing the noise of the washing machine and improving the efficacy and the service life of the washing machine.
Owner:NINGGUO JULONG IND
Hydraulic energy recovery system
InactiveCN101484731AEasy to adjustIncrease outlet pressureRoad transportGas pressure propulsion mountingHydraulic motorMain channel
The invention relates to a hydraulic energy recovery system. The system includes at least one hydraulic motor (10), two main channels (12, 14) serving as the feed channel or the exhaust channel of said at least one motor, a low-pressure fluid source (16, 52, R) and a high-pressure accumulator (20) forming a high-pressure fluid source. Said system can operate in an energy recovery mode, in which the main feed channel (12) is connected to the low-pressure fluid source (16, 52) and the main exhaust channel (14) is connected to the high-pressure accumulator (20), and an energy release mode, in which the connections are reversed. The low-pressure fluid source comprises a high-flow booster pump (16) which can deliver a sufficient fluid flow in order to supply the at least one hydraulic motor (10) with fluid while said motor is operating at maximum speed in the energy recovery mode and an adjustable pressure limiter (52) which can be controlled in order to vary the pressure of the fluid at the outlet of the low-pressure fluid source.
Owner:POCLAIN HYDRAULICS IND
Full automatic speed reducing clutch for washing machine
InactiveCN1425823ASmall opening forceEliminate the effects ofOther washing machinesTextiles and paperGear wheelEngineering
The present invention relates to washing machine technology. The fully automatic speed reducing clutch consists of input shaft, input shaft sleeve, outupt shaft, output shaft sleeve, brake wheel and double-driven gear mechanism inside the brake wheel. The input shaft, the output shaft sleeve and the output shaft are connected separately to the double-driven gear mechanism; and between the brake wheel and the output shaft sleeve there is clutch unit. During washing, the output shaft and the outpuer shaft sleeve are rotated in opposite directions and in certain ratio to form repeated oscillation and rotation with strong kneading force. During dewatering, the clutch unit meshes the output shaft and the outupt shaft sleeve for high speed rotation in the same direction for centrifugal dewatering. The present invention makes washing machine simple, low in noise and long in service life.
Owner:ANHUI JULONG TRANSMISSION TECH
Wind power generator set and yawing-braking magnetic thixotropic flexible braking device of wind power generator set
ActiveCN102661245ARealize uninterrupted continuous flexible braking functionContinuous momentLiquid resistance brakesWind motor controlElectricityNacelle
The invention discloses a wind power generator set and a yawing-braking magnetic thixotropic flexible braking device of the wind power generator set. The braking device comprises an outer ring, an inner ring, a magnetic yoke, a coil winding, a braking wheel and a magnetic thixotropic adhesive, wherein the outer ring and the inner ring are connected with each other through the magnetic yoke and can be fixed on a tower flange of the wind power generator set; the braking wheel comprises a fixed part and a braking part and can be fixed on a cabin seat; the outer ring and the inner ring are connected to form a braking slot for accommodating the braking part of the braking wheel and a coil winding slot for accommodating the coil winding; the braking part of the braking wheel is arranged in the braking slot in a rotatable manner, and a clearance is formed between the braking part and each of the inner ring and the outer ring; and the magnetic thixotropic adhesive is accommodated in the clearances. According to the braking device, abrasion and spot corrosion of wheel teeth of a yawing driving system are effectively reduced, the braking noise and the vibration during yawing braking are reduced, the service life of a gear box is effectively prolonged, and the running cost of a fan is reduced.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Handling method for communication faults of electric automobile braking system
ActiveCN103802677AStable braking torqueElectrodynamic brake systemsElectric vehicle charging technologyBrake torqueElectric machinery
The invention provides a handling method for communication faults of an electric automobile braking system. The electric automobile braking system comprises an overall automobile controller, a motor system and an electric stable control system, and a CAN communication mode is adopted among the three parts. The handling method includes the step that when the communication faults happen on the overall automobile controller, the motor system and the electric stable control system of an electric automobile, the method that braking torque is stably kept is adopted, so that influence on passengers, passersby and vehicles by the communication faults of the braking system is effectively avoided.
Owner:重庆长安新能源汽车科技有限公司
Fully automatic retarding clutch for washing machine
InactiveCN101173471ASmall opening forceReduce manufacturing costOther washing machinesToothed gearingsControl systemEngineering
The invention relates to a full-automatic decelerating clutch for a washing machine, belonging to the technical field of washing machines, comprising an input shaft, an output shaft, an output shaft housing, an input shaft housing, a brake wheel and a double drive gear mechanism. The invention is characterized in that: the double drive gear mechanism is arranged inside the brake wheel, and the input shaft, the output shaft housing and the output shaft are respectively connected with the double drive gear mechanism; the brake wheel and the output shaft housing are reverse mutually, are dual-way driven in proportion, repeatedly swing and rotate, and rub and swing with a relative strength; under a dehydration working condition, via the locking function of the clutch, the output shaft is automatically combined with the output shaft housing, and simultaneously the output shaft and the output shaft housing continuously rotate with high speed in an unidirectional way, and the centrifugal dehydration is processed. The invention has the advantages of simple structure, improving the performance of a decelerating clutch for a conventional washing machine, simplifying the structure of control system, reducing the noise of the washing machine and improving the efficacy and the service life of the washing machine.
Owner:NINGGUO JULONG IND
Full-automatic deceleration clutch for washing machine
InactiveCN102787468ASmall opening forceReduce manufacturing costOther washing machinesTextiles and paperControl systemEngineering
The invention discloses a full-automatic deceleration clutch for a washing machine and relates to the technical field of washing machines. The full-automatic deceleration clutch is mainly composed of an input shaft, an output shaft, an output shaft sleeve, an input shaft sleeve, a brake wheel and a dual drive gear mechanism installed in the brake wheel. The input shaft, the output shaft sleeve and the output shaft are respectively connected with the dual drive gear mechanism, and the brake wheel and the output shaft sleeve are in reverse directions, are driven in a bi-directional mode in proportion, repeatedly swing and rotate and perform relative strong-force twisting. On dehydration working conditions, by locking effect of a clutch device, the output shaft and the output shaft sleeve can be automatically combined with each other and perform high-speed unidirectional continuous rotation simultaneously, and centrifugal dehydration is performed. The full-automatic deceleration clutch is simple in structure, the performance is improved on the basis of a deceleration clutch of a conventional washing machine, a structure of a control system is simplified, the noise of the washing machine is lowered, the effect of the washing machine is improved, and the service life of the washing machine is prolonged.
Owner:NINGGUO JULONG IND
Double disc type permanent magnet retarder for vehicle
InactiveCN103580447ANo heat recessionStable braking torquePermanent-magnet clutches/brakesBrake torqueRocker arm
The invention discloses a double disc type permanent magnet retarder for a vehicle. The double disc type permanent magnet retarder for the vehicle is mainly composed of a rotor and a stator, the rotor is composed of a left rotor disc, a right rotor disc and a rotary shaft. The stator is mainly composed of a magnetic pole piece support provided with magnetic pole pieces and a permanent magnet body support provided with permanent magnet bodies. The permanent magnet body support and the magnetic pole piece support are arranged between the left rotor disc and the right rotor disc in parallel, the permanent magnet body support is installed on a hollow shaft through a sliding bearing, the hollow shaft is installed on the rotary shaft through a rolling bearing, the magnetic pole piece is installed on the hollow shaft and is fixedly connected with a bearing cover of the rolling bearing, the outer side edge of the magnetic pole piece support is connected with an air cylinder component, a rocker arm is arranged on the outer side edge of the permanent magnet body support, and the rocker arm is driven by the air cylinder component. The double disc type permanent magnet retarder for the vehicle is simple in structure, exquisite in design and low in manufacturing cost, and the brake torque can be adjusted through the control over the swinging angle of the permanent magnet body support.
Owner:GUANGXI UNIV
Hydraulic retarder type analog loading system
ActiveCN108918156AGuaranteed loading accuracyEnsure system stabilityVehicle testingTransfer caseClosed loop
The invention discloses a hydraulic retarder type analog loading system. The hydraulic retarder type analog loading system comprises a torque sensor used for measuring the torque and the rotating speed of an input shaft of a retarder, the hydraulic retarder used for applying a load to an engine, a transmission used for changing the transmission ratio, a transfer case used for transmitting motion and the torque, a cooling system used for cooling and heat dissipation of the hydraulic retarder and the engine, a hydraulic system used for changing the rotating speed of a fan and the water flow of the cooling system, a hydraulic retarder ECU used for controlling the hydraulic retarder, a cooling and hydraulic system ECU used for controlling the cooling system and the hydraulic system, an information collecting system used for collecting the vehicle operation states such as the three-axis acceleration and the slope inclination, and a vehicle controller used for controlling a vehicle electronic control system. According to the hydraulic retarder type analog loading system, through a closed-loop control algorithm for the hydraulic retarder and the cooling and hydraulic systems, the loadingprecision for the analog load and system stability under different test conditions are ensured, and stepless regulation and control of the analog load are realized.
Owner:WUHAN UNIV OF TECH
Electric braking electromechanical drive architecture for aircraft and braking force control method
ActiveCN107719651AEnsure braking safetyImprove fault isolationBraking action transmissionAircraft brake actuating mechanismsFault toleranceElectricity
The invention discloses an electric braking electromechanical drive architecture for an aircraft and a braking force control method. Each electromechanical driver in a driving control architecture isrespectively connected with an electromechanical actuator on each machine wheel brake apparatus, and simultaneously receives a left machine wheel braking integrated instruction and a right machine wheel braking integrated instruction from a first braking control and monitoring unit and a second braking control and monitoring unit. Each main wheel remote data concentrator mounted on each undercarriage wheel axle transfers the generated signal to the first braking control and monitoring unit or the second braking control and monitoring unit on the same side of the aircraft. According to the electric braking electromechanical drive architecture disclosed by the invention, the performance of a braking system can be ensured to the greatest degree in a multi-failure state of the aircraft, the drive architecture has extremely high safety, respectively and independently controlled redundancy advantages of multiple electromechanical actuators in the braking system are fully achieved, failure isolation and redundancy management abilities of the aircraft electromechanical braking system and the system reconstruction capability in a failure state are improved, the fault tolerance and mission reliability are enhanced, and the aircraft braking safety is ensured.
Owner:XIAN AVIATION BRAKE TECH
Friction material, long-life friction lining and preparation method thereof
The invention provides a friction material, a long-life friction lining and a preparation method thereof. The friction material comprises the following raw materials, by weight, 5-8 parts of basalt fiber; 10-15 parts of steel fiber; 5-6 parts of composite mineral fiber; 6-10 parts of butyronitrile modified phenolic resin, 3-8 parts of powdered acrylonitrile-butadiene rubber, 5-9 parts of graphite,10-15 parts of precipitated barium sulfate, 2-5 parts of aramid pulp, 2-5 parts of titanate lamellar crystals, 9-15 parts of light calcium carbonate, 7-12 parts of magnesium oxide, 3-6 parts of calcined aluminum oxide, 5-8 parts of red copper fibers, 5-9 parts of ferrous sulfide and 9-12 parts of fluorite. By reasonably setting the content of each component, the components generate a synergisticeffect, when the components are proportioned together to be used for the friction lining, it is confirmed through loading test and verification that the service life of the friction lining reaches 120,000 km or above, and the friction lining is complete and free of edge and corner falling, delaminating and scorching phenomena.
Owner:BEIJING TIANRENDAOHE NEW MATERIAL CO LTD
Full-automatic speed reduction clutch of washing machine
InactiveCN101200849ASmall opening forceReduce manufacturing costToothed gearingsOther washing machinesEngineeringClutch
The invention provides a washing machine automatic deceleration clutch and relates to the washing machine technical field. The invention consists essentially of an input shaft, an output shaft, an output shaft sleeve, an input shaft sleeve, a brake wheel and a double-driving gear mechanism. The input shaft, the output shaft sleeve and the output shaft are respectively linked with the double-driving gear mechanism. The brake wheel and the output shaft sleeve are mutually reverse and are driven towards two directions according to proportions, swing and rotate repeatedly and entwist relatively and strongly. The output shaft and the output shaft sleeve can automatically combine through the locking effect of the clutch device during the dehydration condition and continuously rotate towards one direction with high speed for the centrifugal dewatering at the same time. With simple structure, the invention improves the performance of the deceleration clutch of a conventional washing machine, simplifies the structure of an operation system, lowers the noise of the washing machine and improves the washing machine functions and the service life.
Owner:NINGGUO JULONG IND
Wind power generator set and yawing-braking magnetic thixotropic flexible braking device of wind power generator set
ActiveCN102661245BRealize uninterrupted continuous flexible braking functionContinuous momentLiquid resistance brakesWind motor controlElectricityNacelle
The invention discloses a wind power generator set and a yawing-braking magnetic thixotropic flexible braking device of the wind power generator set. The braking device comprises an outer ring, an inner ring, a magnetic yoke, a coil winding, a braking wheel and a magnetic thixotropic adhesive, wherein the outer ring and the inner ring are connected with each other through the magnetic yoke and can be fixed on a tower flange of the wind power generator set; the braking wheel comprises a fixed part and a braking part and can be fixed on a cabin seat; the outer ring and the inner ring are connected to form a braking slot for accommodating the braking part of the braking wheel and a coil winding slot for accommodating the coil winding; the braking part of the braking wheel is arranged in the braking slot in a rotatable manner, and a clearance is formed between the braking part and each of the inner ring and the outer ring; and the magnetic thixotropic adhesive is accommodated in the clearances. According to the braking device, abrasion and spot corrosion of wheel teeth of a yawing driving system are effectively reduced, the braking noise and the vibration during yawing braking are reduced, the service life of a gear box is effectively prolonged, and the running cost of a fan is reduced.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Roller brake
InactiveCN106609808AStable braking torqueReduce brake shockFluid actuated brakesBrake actuating mechanismsBrake torquePiston
The invention relates to a roller brake which comprises a box, a connecting bolt, a base plate, a bearing, a shaft, a sealing cover, a passive friction sheet, a passive drum, a passive drum oil opening, an active friction sheet, a disc spring, a brake oil way, a piston push rod, a hydraulic cylinder, a hydraulic cylinder oil inlet and a ventilation assembly. The box is connected with the ground through a foundation bolt; the brake oil way is connected with a brake oil pump; the hydraulic cylinder oil inlet is connected with a control oil pump; the passive drum is connected with the box; an axial oil way and a radial oil way are machined in the shaft, and a high-pressure sealing ring is arranged between the sealing cover and the shaft; outer teeth are arranged on the passive friction sheet and are connected with the passive drum; inner teeth are machined on the active friction sheet, and outer teeth are machined in the shaft matched with the active friction sheet; the hydraulic cylinder is designed outside the box; the active friction sheet and the passive friction sheet are installed in a spaced manner. The roller brake has the effects that the braking torque is stable, the braking impact is small, the braking accelerated speed is controllable, reliable braking is achieved when power is off suddenly, and power-off protection is achieved.
Owner:于平
Anti-falling safety device of lifting trolley of converter oxygen lance
The invention discloses an anti-falling safety device of a lifting trolley of a converter oxygen lance. The anti-falling safety device comprises a lifting trolley provided with the converter oxygen lance, a sliding rail is arranged behind the lifting trolley, a moving device which moves along with the lifting trolley is arranged on one side of the sliding rail, the moving device is fixedly connected with the lifting trolley through a locking device, the moving device moves along with the lifting trolley when the lifting trolley moves in rated speed, when the downward running speed of the lifting trolley exceeds the rated speed, the locking device automatically locks the movement of the moving device so as to realize braking. According to the anti-falling safety device, the concept is ingenious, the structure is reasonable, the overall structure is simple, installation and maintenance are convenient, operation stability is high, when a steel wire rope is broken, the lifting trolley canbe stably locked on the sliding rail, be prevented from continuously falling, and normal production can be simply and rapidly recovered after the braking.
Owner:潍坊峻林冶金工程技术有限公司
Low-noise friction plate for brake
InactiveCN106321696AImprove braking effectReduce wear rateOther chemical processesFriction liningLow noiseFiber
The invention discloses a low-noise friction plate for a brake. The low-noise friction plate for the brake comprises, by weight, 33-35 parts of buna-n rubber, 7-9 parts of thermosetting phenolic resin, 24-26 parts of enhanced non-asbestos fibers, 14-16 parts of granulated cork, 4-6 parts of metal powder, 4-6 parts of artificial graphite, 4-6 parts of barium sulfate and 2-4 parts of other impurities. According to the low-noise friction plate for the brake, the formula is advanced, the braking torque is high and stable, the temperature resistance can reach 250 DEG C, the abrasion rate is low, a high friction coefficient and the low abrasion rate can still be guaranteed while the hardness is reduced, braking noise is effectively lowered by 20 dB, the problem that the friction plate adheres when encountering water is completely eradicated, and promotion of the braking performance of a horizontal type main machine is facilitated.
Owner:CEG MOTOR SUZHOU
Full-automatic deceleration clutch for washing machine
InactiveCN102787469BSmall opening forceReduce manufacturing costToothed gearingsOther washing machinesControl systemEngineering
Owner:NINGGUO JULONG IND
Service braking system applied to large tire type crane
PendingCN105691363AGood water regressRapid responseBraking element arrangementsControl theoryBraking distance
The invention provides a service braking system applied to a large tire type crane. The service braking system comprises a brake air chamber and brakes. The brakes are installed on axles. The axles comprise the front axle, the middle axle and the rear axle. The front axle comprises double front axle bodies. The middle axle comprises double middle axle bodies. The rear axle comprises double rear axle bodies. Each of the double front axle bodies, the double middle axle bodies and the double rear axle bodies is provided with one disc brake and one drum brake. The large tire type crane using the service braking system is good in braking effect and short in braking distance, and the service braking safety is guaranteed.
Owner:SHOUGANG SHUICHENG IRON & STEEL GRP SAIDE CONSTR CO LTD
Winding tensioner
The invention discloses a winding tensioner. The winding tensioner comprises a reversing device, a tensioning system and a guiding device; the tensioning system comprises a permanent damper and a tension wheel, the permanent damper is fixedly mounted on a corresponding mounting bracket, the tension wheel is mounted on a central shaft of the permanent damper, and an axial direction of the tension wheel is vertical to a travelling direction of a glass fiber yarn. The permanent damper has stable slip and torque and is free from the slip; and the torsion is unchanged when the permanent damper is static or rotated; therefore, the torsion is constant when the winding tensioner achieves the top rotating speed from the lowest speed so as to guarantee the quality of the product obtained by windingthe glass fiber yarn; and meanwhile, since the tension wheel enables the friction between the glass fiber yarn and the tension wheel to be the static friction, the loss to the glass fiber yarn in thetension system can be reduced to the lowest degree. The winding tensioner provided by the invention can reduce the loss to the glass fiber yarn of the glass fiber in the tension system, and improve the quality of the product obtained by winding the glass fiber yarn.
Owner:CHONGQING POLYCOMP INT
Electric power-assisted brake control method and design simulation method, equipment and medium thereof
PendingCN113765443AQuick responseEasy to judgeVector control systemsDynamo-electric converter controlVoltage vectorReference current
The invention relates to an electric power-assisted brake control method, a design simulation method thereof, equipment and a medium. The method comprises the following steps: obtaining the operation measurement data of a permanent magnet synchronous motor, and determining the predicted current of the permanent magnet synchronous motor under different voltage vectors based on a current prediction model; determining a cost function according to the predicted current of the permanent magnet synchronous motor and a preset reference current; according to the cost function minimum principle, the optimal voltage vector is determined and output to the permanent magnet synchronous motor so that the permanent magnet synchronous motor can output the target braking torque, and the target braking torque is transmitted to the hydraulic system so that the hydraulic system can generate braking pressure. The response speed to the permanent magnet synchronous motor is high, the generated braking torque is relatively stable, and the electric power-assisted braking effect can be effectively improved.
Owner:WUHAN UNIV OF TECH
Buffering braking mechanism of electric injection molding machine
The invention provides a buffering braking mechanism of an electric injection molding machine. The mechanism comprises a servo motor, a fixing device, a connecting seat, a buffering braking device anda transmission mechanism, wherein the transmission mechanism comprises a first belt wheel, a second belt wheel and a transmission belt; the first belt wheel and the second belt wheel are connected through the transmission belt; the servo motor and the connecting seat are correspondingly fixed to the fixing device; the buffering braking device is fixed to the connecting seat through a screw; the servo motor is provided with an output shaft which penetrates through the fixing device, and the output shaft is connected to an inner circle of the buffering braking device through a flat key; the first belt wheel sleeves the output shaft; the second belt wheel is provided with a lead screw, and a nut is arranged on the lead screw; and the lead screw is connected to a moving part of the electric injection molding machine through the nut. According to the scheme, the mechanism has the advantages that the buffering braking device is arranged at one side of the output shaft of the servo motor, sothat the problem that a power mechanism of the electric injection molding machine is free from hydraulic buffering capacity can be solved; and the moving part of the electric injection molding machine is prevented from being damaged by the servo motor in case of out of control.
Owner:HAITIAN PLASTICS MACHINERY GRP
Fully automatic retarding clutch for washing machine
InactiveCN101173471BSmall opening forceReduce manufacturing costOther washing machinesToothed gearingsEngineeringFully automatic
The invention relates to a full-automatic decelerating clutch for a washing machine, belonging to the technical field of washing machines, comprising an input shaft, an output shaft, an output shaft housing, an input shaft housing, a brake wheel and a double drive gear mechanism. The invention is characterized in that: the double drive gear mechanism is arranged inside the brake wheel, and the input shaft, the output shaft housing and the output shaft are respectively connected with the double drive gear mechanism; the brake wheel and the output shaft housing are reverse mutually, are dual-way driven in proportion, repeatedly swing and rotate, and rub and swing with a relative strength; under a dehydration working condition, via the locking function of the clutch, the output shaft is automatically combined with the output shaft housing, and simultaneously the output shaft and the output shaft housing continuously rotate with high speed in an unidirectional way, and the centrifugal dehydration is processed. The invention has the advantages of simple structure, improving the performance of a decelerating clutch for a conventional washing machine, simplifying the structure of controlsystem, reducing the noise of the washing machine and improving the efficacy and the service life of the washing machine.
Owner:NINGGUO JULONG IND
Aircraft electric brake electromechanical drive structure and braking force control method
ActiveCN107719651BBraking ability is not reducedImprove mission reliabilityBraking action transmissionAircraft brake actuating mechanismsControl engineeringElectric drive
Owner:XIAN AVIATION BRAKE TECH
Floating tong type bipushing rod pneumatic disk brake based on rectangular torsional spring single dicrection clutch
ActiveCN100416128CRealize overload protectionReasonable designAxially engaging brakesBrake actuating mechanismsCalipersDisc brake
The invention comprises a pressure arm unit, a rotation shaft unit, a return spring, a push pedal, an internal friction plate, a brake, an external friction plate, a support and a caliper body arranged in order from right to left. Because of using the rectangular section torsional spring function, in a specific environment the invention can realize a one-way transmission of the torque and also can realize an overload protection effectively. The reasonable design of the pressure arm unit can supply the stable brake moment.
Owner:WUHAN YOUFIN AUTOPARTS
Switched reluctance motor regenerative braking control method based on current prediction
ActiveCN111277196AEasy to controlSmall fluctuation rangeElectronic commutation motor controlAC motor controlBrake torqueMotor speed
The invention discloses a switched reluctance motor regenerative braking control method based on current prediction. The method comprises the steps: establishing a voltage balance equation; discretizing a current differential term in the voltage balance equation to obtain a function relational expression of the predicted braking current of each phase winding; performing calculating to obtain a predicted brake current error of each phase winding at the current sampling moment; performing calculating to obtain the corrected predicted braking current of each phase winding at the next sampling moment; performing calculating to obtain an expected reference current of the motor at the next sampling moment; constructing a target function, and performing traversal optimization on a state vector ofa power switch corresponding to a power conversion circuit in the motor speed regulation system to obtain an optimal value of the state vector; and controlling a corresponding power switch in the speed regulation system according to the optimal value. According to the invention, the problem of large fluctuation of the brake current in a traditional control method is effectively overcome, and theaccurate control of the brake current is realized, so the brake current and the brake torque in the brake process are basically kept stable.
Owner:CHANGSHA JINMA METALLURGICAL EQUIP
Fully automatic retarding clutch for washing machine
InactiveCN101173469BSmall opening forceReduce manufacturing costToothed gearingsOther washing machinesControl systemEngineering
The invention relates to a full-automatic decelerating clutch for a washing machine, belonging to the technical field of washing machines, comprising an input shaft, an output shaft, an output shaft housing, an input shaft housing, a brake wheel and a double drive gear mechanism. The invention is characterized in that: the double drive gear mechanism is arranged inside the brake wheel, and the input shaft, the output shaft housing and the output shaft are respectively connected with the double drive gear mechanism; the brake wheel and the output shaft housing are reverse mutually, are dual-way driven in proportion, repeatedly swing and rotate, and rub and swing with a relative strength; under a dehydration working condition, via the locking function of the clutch, the output shaft is automatically combined with the output shaft housing, and simultaneously the output shaft and the output shaft housing continuously rotate with high speed in an unidirectional way, and the centrifugal dehydration is processed. The invention has the advantages of enjoying simple structure, improving the performance of a decelerating clutch for a conventional washing machine, simplifying the structure of control system, reducing the noise of the washing machine and improving the efficacy and the service life of the washing machine.
Owner:NINGGUO JULONG IND
Dual-drive gear mechanism of full-automatic decelerating clutch of washing machine
InactiveCN101922101BSmall opening forceReduce manufacturing costOther washing machinesToothed gearingsGear wheelControl system
The invention relates to a full-automatic decelerating clutch of a washing machine, and relates to the technical field of washing machines. The full-automatic decelerating clutch mainly comprises an input shaft, an output shaft, an output shaft sleeve, an input shaft sleeve, a brake wheel and a dual-driving gear mechanism arranged in the brake wheel, wherein the input shaft, the output shaft sleeve and the output shaft are connected with the dual-driving gear mechanism respectively; the brake wheel and the output shaft sleeve are reversed mutually; and the output shaft and the output shaft sleeve are driven bidirectionally in a ratio, swing and rotate repeatedly and twist and swing relatively and forcibly. Under the dehydration working condition, the output shaft and the output shaft sleeve are automatically combined through the locking action of a clutch device, and simultaneously, rotate unidirectionally and continuously at high speed for centrifugal dehydration. The full-automatic decelerating clutch has a simple structure, improves the performance of the decelerating clutch of the conventional washing machine, simplifies the structure of a control system, reduces the noise of the washing machine, improves the effect and prolongs the service life of the washing machine.
Owner:NINGGUO JULONG IND
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