31results about How to "Increase braking force" patented technology

A self-energized disk brake assembly includes gain stabilization features for controlling the multiplication of applied force against a rotatable brake member. The brake assembly includes a first brake pad supported about a first pivot and a second brake pad supported about a second pivot. An actuator applies a force to drive the brake pads into the rotatable brake member. Frictional force between the brake pads and the rotatable brake member pulls the brake pads into further engagement generating an increase in braking force from self-energization. A position of the first and second pivots is adjustable to control the amount of braking force generated from self-energization.

A butterfly brake for bicycle is composed of brake driver and jaw body. The jaw body has left and right friction plates. The said brake driver consists of the drive axle perpendicular to the said friction plates and the driven disk matched with roll member to drive the drive axle. The drive disk has two different spiral slide ways for allowing the said roll member to move in them. Its advantages are big distance between two brake plates and high braking force.

The invention discloses a magnetic type safety guardrail. The guardrail comprises a plurality of stand columns, and the lower ends of the stand columns are fixedly connected with balance weight bases.The guardrail has the following advantages: once a vehicle collides with the guardrail, the side part of a vehicle drives a plurality of rotary drums to quickly rotate circumferentially, so the impact force of the vehicle on the front surface is weakened, and is converted into tangential force along one side of a rotary drum in the connecting rod direction, meanwhile, a conductive liquid in a hydraulic cavity generates vortex under the centrifugal effect, the overall height of the conductive liquid is increased, and the conductive liquid is in contact with conductive plates and switches on acircuit where a plurality of electromagnetic rods, the two conductive plates and an external power supply are located; and a vehicle shell is generally made of a ferromagnetic material, and a electromagnetic rod generates magnetic attraction force to the vehicle to drag the vehicle to move in the direction of the connecting rod, so the contact time between the vehicle and the rotary drum is prolonged, the braking acting force between the vehicle and the ground is improved, the conductive liquid is thrown out and sprayed to the vehicle through liquid throwing holes under the centrifugal effect,the fire preventing and extinguishing effect is achieved, and larger traffic accidents caused by fire are avoided.

A self-energized disk brake assembly includes gain stabilization features for controlling the multiplication of applied force against a rotatable brake member. The brake assembly includes a first brake pad supported about a first pivot and a second brake pad supported about a second pivot. An actuator applies a force to drive the brake pads into the rotatable brake member. Frictional force between the brake pads and the rotatable brake member pulls the brake pads into further engagement generating an increase in braking force from self-energization. A position of the first and second pivots is adjustable to control the amount of braking force generated from self-energization.

The invention discloses an elevator safety brake, which comprises a base body, two brake arms, a screw rod, two brake shoes, a brake disc, two spring bodies, a spring scale, a brake rod, a plunger and an electromagnetic The main body of the brake is made of iron, and the bottom ends of the two brake arms are provided with a secondary braking mechanism, and the secondary braking mechanism includes a secondary brake shoe, a brake pad, a main connecting arm, a secondary connecting arm, an elastic Composed of bending mechanism and fixing bolts, the brake pad is arranged on the upper end surface of the secondary brake shoe, and the upper end surface of the brake pad is close to the annular side of the brake disc, by adding a secondary brake pad to the device Braking mechanism, clever use of the brake arm when closing the brake and encircling the brake disc for braking through the brake shoe, compressing the secondary braking mechanism forces it to bend upward and arch to contact the annular bottom surface of the brake disc to assist it Braking, so that the braking inertia force is evenly distributed, increasing the braking effect.

The invention relates to an oil pressure type time difference braking device. The device comprises a driving mechanism, the driving mechanism is provided with a first driving rod and a second drivingrod, and the first driving rod and the second driving rod partly extend into a first cavity and a second cavity of a shell; the first driving rod and the second driving rod are connected with a braking driving element, the braking driving element drives the first driving rod in real time and makes a first piston of a first pump mechanism generate displacement, so that the first braking force is output to a back wheel brake, and in the time difference that the first piston reaches to the set displacement distance, the first piston can be added, drives a second driving rod at the same time, andpushes a second piston of a second pump mechanism generate displacement, so that the second braking force is output to a front wheel brake. In this way, the first braking force and the second brakingforce with time difference are generated only by one braking motion, then the second braking force which is generated by the second pump mechanism is larger than the first braking force which is generated by the first pump mechanism, so that the braking force of the front wheel brake is increased, and the braking efficiency and safety of a vehicle are more improved.

The invention discloses a double-sided disc brake of a scooter. One end of a bridge type pull rod (7) is mounted on the inner side of a small clamp body (2), the bridge type pull rod (7) is made froman elastic material with reset elasticity, the head parts of the two ends of the bridge type pull rod are provided with non-circular through holes, an auxiliary ejection rod (4) is inserted in one through hole in a sleeving mode, a main ejection rod (3) is inserted into the other through hole in a sleeving mode, so that the thickness of the disc brake can be effectively reduced; a large clamp body(1) is provided with two sliding sleeve holes (1.1), the sliding sleeve holes (1.1) are in small clearance sliding fit with sling sleeve nuts (11), the disc brake can slide in the direction perpendicular to a disc (17), and when the double-sided disc brake is in action, the disc (17) is placed in the middle position, so that the problem of disc rubbing is avoided; and the disc brake can better adapt to the space narrowing condition, the position of a friction disc can be adjusted, and the braking force is improved, and the installation is simple.

The invention discloses an oil pressure type time difference brake device and an assembly thereof. The oil pressure type time difference brake device at least comprises a driving mechanism; the driving mechanism is provided with a pushing block, is arranged on the uppermost side of a cavity of a shell, and is started by dint of a brake operation module to enable the pushing block to generate a set displacement; a first piston of a first pump mechanism is driven to generate a displacement in real time so as to output first brake braking force to a rear wheel brake; and when the first piston of the first pump mechanism reaches a time difference of the distance of the set displacement, a second piston of a second pump mechanism is pushed to generate a displacement, and second brake braking force is output to a front wheel brake.

A hydraulic assembly of a bicycle comprises a shell, a first piston and a second piston. The shell is provided with a hydraulic chamber, an oil inlet channel and an oil outlet channel, and the oil inlet channel and the oil outlet channel are connected with the hydraulic chamber; the first piston is movably positioned in the hydraulic chamber; the second piston is movably located in the hydraulic cavity and arranged on the first piston in a sleeving mode, the second piston is provided with a first end and a second end which are opposite, the outer diameter of the first end is larger than that of the second end, and the second end is far away from the oil inlet channel compared with the first end. When the distance of the first piston pushed by the hydraulic oil is smaller than a critical distance, the second piston is static relative to the shell, and the first piston moves relative to the second piston; when the distance of the first piston pushed by the hydraulic oil is larger than the critical distance, the first piston drives the second piston to move relative to the shell together.

The invention belongs to the technical field of brake actuators, and particularly relates to an oil-electric hybrid brake device. The brake device comprises a caliper frame and a caliper body connected with the caliper frame in a sliding mode; a jaw capable of accommodating a brake disc is arranged in the caliper body; friction plates, namely a first friction plate and a second friction plate, are arranged on the caliper body and located on the two sides of the jaw respectively, and a hydraulic driving device and an electric driving device are oppositely arranged on the caliper frame and located on the two sides of the caliper body; and the hydraulic driving device can push the first friction plate to move in the direction close to the second friction plate, and the electric driving device can push the second friction plate to move in the direction close to the first friction plate. The braking response time is shortened, the braking force is improved, and the defect that the braking response speed and the braking force of a traditional EPB cannot be considered at the same time is effectively overcome. Meanwhile, the oil-electric hybrid brake device has double functions of driving braking and parking braking, and the advantages of being good in braking stability, small in occupied space and the like.

The invention relates to a high-precision rotary working-table driven by a moment motor, which comprises a rotary table (1), a clamping mechanism (2), a box seat (4) and a central shaft (19), wherein, the rotary table (1) is fixed at the end part of a moment motor rotator (5); the box seat (4) is connected with a moment motor stator (6); the rotary table (1) is connected with the moment motor rotator (5) through an axial radial bearing (18) to form a component; the outer ring of the axial radial bearing (18) is connected with the box seat (4); the moment motor stator (6) is integrally connected with the box seat (4); and the hydraulic clamping mechanism (2) is mounted between the inner surface of the outer ring of the rotary table (1) and the outer surface of the box seat (4). The hydraulic braking device set in the invention has a simple structure, large clamping action area, high clamping moment, bigger braking force, stable clamping and smaller influences on system and transmission, so the invention can meet the requirements on stable rotation and reliable braking in high-grade numerical control machine and meet the processing demands with high requirements of all aspects.

The invention discloses an auxiliary braking system based on an independent suspension. An auxiliary braking assembly used for conducting auxiliary braking on an axle is arranged in the middle of the axle; a bearing seat is further arranged between the auxiliary braking assembly and wheels, the axle penetrates through the bearing seat, a spring shock absorber is arranged at the upper end of the bearing seat, the upper end of the spring shock absorber is hinged to the lower end face of a frame, and the lower end of the spring shock absorber is hinged to the upper end face of a supporting seat; the rear end of the axle is connected with a swing cushioning piece which can enable the axle to shake along with the wheels when the wheels shake, and the swing cushioning piece is installed on the lower end face of the frame; a pull rod is further arranged, one end of the pull rod is hinged to one end of the bearing seat, the other end of the pull rod obliquely extends towards the frame and is hinged to the frame, the pull rod can prevent the wheels from deflecting front and back and left and right, one more braking system is achieved through the auxiliary braking assembly, the braking performance can be doubled during braking, and the braking sensitivity, the braking distance and the braking force are greatly improved.

The invention provides a powerful double-pipeline brake cylinder which comprises an output pump and a reinforcement pump. The output pump comprises a first pump body, a first push rod and a first piston. The first piston is located in the first pump body. The first push rod is fixedly connected with the first piston. The reinforcement pump comprises a second pump body, a second push rod and a second piston. The second piston is located in the second pump body, and the second push rod is fixedly connected with the second piston. The second pump body is fixedly arranged on the rear portion of the first pump body, a through hole is formed between the first pump body and the second pump body, and one end of the second push rod penetrates through the through hole and abuts against the first push rod. The technical problem that the brake performance of a vehicle is poor due to the fact that the jacking force of an existing brake cylinder is small can be solved.

The invention discloses an elevator emergency rescue counterweight opposing traction mechanism, which belongs to the field of elevators and includes a control system, an installation platform, and a car. A traction machine is installed on the top wall of the installation platform. The machine is equipped with a traction wheel through the traction shaft, and the end of the traction shaft away from the traction machine is equipped with a first worm wheel, the first worm wheel meshes with the first worm, and the two ends of the first worm are respectively connected with the protection Drive end installation of motor and rescue motor. The elevator traction mechanism of the present invention, on the one hand, through the first worm gear meshing with the first worm, and the setting of the protection motor and the rescue motor, can avoid the elevator operation failure caused by the failure of the traction machine; The clamping force of the traction rope increases the friction, so that the auxiliary drive can be carried out when the traction machine is running, and the slip between the traction rope and the traction wheel can be avoided. In addition, when the traction machine stops, the friction force can also be used , increase the braking force on the car.

The invention discloses a braking method and device of a crane to solve the technical problems that in the prior art, when a brake is out of operation, a crane cannot brake, and the safety of hoisting work cannot be guaranteed. The method comprises the steps that when a brake is in a brake state, coded pulse generated by an encoder when the rotating process of a rotating shaft is detected is received, and the coded pulse is counted; whether the amount of coded pulse is larger than the preset number of times or not is judged, and a first judgment result is obtained; if yes, the zero servo function of a frequency converter is started, the rotating shaft of the motor is braked, and the technical effect that the brake system can still carry out normal braking after the brake of the crane is out of operation is achieved.

The present invention is spring driven energy accumulating starting device and method for automobile. The spring driven energy accumulating starting device set onto the rear axle assembly can convert the heat energy of braking friction into potential energy stored in the elastic steel ring, convert the elastic potential energy of starting into the kinetic energy to drive the rear wheels, recover and utilize the energy consumed in the frequent stopping and starting, and raise braking performance and safety. The spring driven energy accumulating starting device possesses one potential energy storing device including sealed container and spring box; one kinetic energy absorbing and potential energy releasing device including outer shaft, inner shaft and rolling bearing in between; and one speed variator with potential energy inputting gear set and potential energy releasing gear set.

A butterfly brake for bicycle is composed of brake driver and jaw body. The jaw body has left and right friction plates. The said brake driver consists of the drive axle perpendicular to the said friction plates and the driven disk matched with roll member to drive the drive axle. The drive disk has two different spiral slide ways for allowing the said roll member to move in them. Its advantages are big distance between two brake plates and high braking force.