10results about How to "Improve braking reliability" patented technology

The invention provides a pressure relief type pushing device and a braking system, and relates to the field of braking, the pressure relief type pushing device comprises a shell, the interior of the shell is divided into a first cavity and a second cavity through a partition plate, the first cavity and the second cavity are used for containing a hydraulic medium, and the partition plate is provided with a circulation opening used for communicating the first cavity with the second cavity; the hydraulic pump is used for driving a hydraulic medium to flow into the second cavity from the first cavity; the driving assembly is partially located in the second cavity and used for being driven by the hydraulic medium to move in the direction away from the partition plate. The reset piece is located in the second cavity, makes contact with the driving assembly and is used for driving the driving assembly to move in the direction close to the partition plate; the part, extending out of the second cavity, of the driving assembly is used for driving a braking structure of the braking device to generate braking force, the braking force is reduced in the state that the driving assembly moves in the direction away from the partition plate, and the braking force is increased in the state that the driving assembly moves in the direction close to the partition plate. The braking system is simple in structure and high in braking reliability.

The utility model provides a kind of brake system, applied to two-wheeled vehicle, comprising: hydraulic brake device, the hydraulic brake device is set for any one wheel in front wheel and rear wheel;Electric brake device, the electric brake device is set for another wheel in the front wheel and the rear wheel, the inside of the electric brake device is provided with first communication module;First operating device, the first operating device is set on any handlebar, the hydraulic brake device is communicated with the first operating device by oil pipe;Second operating device, the second operating device is set on another handlebar, the second operating device is internally provided with the second communication module that is wirelessly connected with the first communication module.The utility model solves the technical problem that traditional bicycle brake system structure is complex.

The invention belongs to the technical field of elevator anti-falling, and particularly relates to a freight elevator with a car anti-falling brake mechanism, which comprises a freight platform, a safety clamp, a traction rod, a sleeve, a speed limiting index and an auxiliary clamp, the freight platform is arranged at the bottom of a car and used for carrying passengers, and guide rails are arranged on two sides of the freight platform; the two safety tongs are arranged at the bottom of the cargo carrying platform, ascending connecting rod mechanisms for triggering linkage are arranged on the side faces of the safety tongs and used for enabling the safety tongs to grasp the guide rail, the traction rod is arranged between the two safety tongs, the two ends of the traction rod are connected to the ascending connecting rod mechanisms on the safety tongs respectively, and the sleeve is arranged on one side of each ascending connecting rod mechanism. The sleeve is used for limiting the movement range of the ascending connecting rod mechanism, and the sleeve is arranged outside the speed limiting index in a sleeving mode and is in sliding fit with the speed limiting index. Two-stage braking can be achieved, it is ensured that multiple sets of braking units respond quickly and synchronously during triggering, the safety margin is prolonged, reliable parking within a preset distance is achieved, and the safety of personnel and equipment is guaranteed.

The utility model provides a kind of wheel hub motor electric brake and electromagnetic brake assembly, including first shell and second shell, first shell is installed below wheel hub motor, second shell is installed below first shell;Wheel hub motor one end is clamped in first shell, wheel hub motor below is provided with clamping block and first brake disc, clamping block below is provided with fixed block, fixed groove is set up on first brake disc, fixed block is clamped in fixed groove, first brake disc below is equipped with pressure plate;Second shell is clamped in support sleeve, support sleeve below is provided with fan blade, top is provided with brake assembly, rotation block and connecting block are provided in support sleeve.The component is through brake assembly, realizes the brake operation to wheel hub motor, improves brake effect, makes vehicle travel safer;Through fan blade, can accelerate heat dissipation, reduce brake assembly heat accumulation, so that component performance is more stable.

The utility model relates to the technical field of automobile brake, provide a front disc brake failure protection device, including protection structure: protection structure coaxial installation in the outside of main part structure, with and main part structure's brake executing component linkage cooperation, main part structure: main part structure includes brake disc, brake caliper, main brake pipeline, main cylinder, fixed plate and mounting seat, brake caliper fixedly connected in the outside of brake disc, fixed plate fixedly connected in the outside wall of brake caliper, the utility model discloses a protection structure is set up, through pressure sensor and displacement sensor between auxiliary cooperation, can make controller synchronous issue instruction, can make electromagnetic lock unlock, electric push rod energized and extend, and make controller control electric push rod shrink, and electromagnetic lock relock spare brake block to initial position, when auxiliary cylinder pressure relief, protection structure recovers the state of readiness, when the front disc brake system failure, can provide emergency protection, improve brake reliability simultaneously.

The application discloses a kind of track locomotive automatic protection system and method, including digital flat regulating system, speed acquisition module and brake system;Speed acquisition module real-time acquisition locomotive speed and send to digital flat regulating system, brake system is added multiple electric control solenoid valve and pressure sensor, respectively with the output port and feedback port of digital flat regulating system electric connection.Electric flat regulating system compares the preset speed threshold corresponding to locomotive speed and shunting instruction, and automatically executes common brake after overspeed and continues preset time;Emergency brake is automatically executed when emergency stop instruction is received or brake system anomaly is detected, while having parking state anti-slip and brake redundancy protection function.The application does not need to replace original main equipment, and the transformation cost is low, and the compatibility is strong, fundamentally solves the security risk caused by that shunting operation completely relies on manual operation, and significantly improves the safety and reliability of shunting operation.

The utility model discloses a dual-brake system, which comprises a rotary brake interface assembly and a brake assembly, the movable braking executing mechanism is arranged between the rotary braking interface assembly and the dynamic mechanical energy interaction interface and comprises a braking force transmission intermediary part and a friction energy dissipation unit, the braking force transmission intermediary part is used for being matched with the dynamic mechanical energy interaction interface, and the friction energy dissipation unit is hinged to the braking force transmission intermediary part; the friction energy dissipation unit and the rotary braking interface assembly are oppositely arranged; the force adjusting mechanism is arranged on the side, facing the friction energy dissipation unit, of the braking force transmission intermediary part and used for being matched with the friction energy dissipation unit so that the friction energy dissipation unit and the rotary braking interface assembly can be locked or loosened.

This utility model relates to the field of brake structure technology, and in particular to a single-piece electromagnetic brake with low failure rate. It includes a magnetic yoke, an armature on the right side of the yoke, a connecting ring on the right side of the armature, a groove on the right side of the connecting ring, a partition plate fixedly connected to the inner wall of the groove, a bolt through-mounted on the right side of the partition plate, and a threaded hole on the surface of the armature. The left side of the bolt passes through the inner cavity of the threaded hole and is threadedly connected to it. This utility model, by setting up a magnetic yoke, armature, connecting ring, groove, partition plate, bolt, and threaded hole, allows the magnetic yoke to attract the armature when energized, thus braking the armature and connecting ring, and consequently braking the wheel drum connected to the connecting ring. It offers high braking reliability, a lower failure rate than hydraulic and pneumatic brakes, and a long service life, solving the problems of high failure rates and safety hazards associated with pneumatic and hydraulic brakes.

The invention relates to a speed reduction hub electric wheel system with a lightweight cooling and supporting structure, which comprises hub electric wheel bodies arranged at two ends of an axle, the hub electric wheel bodies are assembled and fixed on a frame body, the frame body is provided with a lightweight oil cooling unit, the lightweight oil cooling unit is integrally mounted on a battery pack shell, and the lightweight oil cooling unit is connected with the battery pack shell. An EPB actuator is further integrally installed on the battery pack shell, the light-weight oil cooling unit communicates with the interior of the hub electric wheel body through a long pipeline, the light-weight oil cooling unit comprises an oil cooler, an oil pump and a filter, and a motor, a speed reducer, a rotor supporting bearing, a hub bearing and a brake are integrally installed on the hub electric wheel body. And the motor, the speed reducer and the rotor supporting bearing adopt an integrated oil cooling design. Compared with the prior art, the internal space and a cooling system of the electric wheel can be optimized, the unsprung mass is reduced, and the overall reliability of the electric wheel is improved.

The application relates to the technical field of engineering machinery, and discloses a brake system which comprises a brake, a pressure application channel and a first supply channel. The brake comprises a brake cavity and a friction plate cavity, the brake has a braking state and a releasing state, in the braking state, the brake applies brake to a target, and in the releasing state, the brake releases the brake of the target; the pressure application channel is communicated with the brake cavity and is suitable for conveying brake pressure application medium into the brake cavity, so that the brake is moved from the releasing state to the braking state; the first supply channel is communicated with the friction plate cavity, in the braking state, the first supply channel is suitable for conveying cooling medium into the friction plate cavity, the cooling medium exchanges heat with a friction plate in the friction plate cavity, the friction plate cavity has a discharge port, the discharge port is suitable for discharging the cooling medium which exchanges heat with the friction plate, and the working safety of the mining machinery is greatly improved.