55results about How to "Stable braking torque" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.