8results about How to "Fast brake response" patented technology

A mine dump truck wet disc brake hydraulic system, including main control valve, one end of main control valve is connected pressure oil source, the other end is connected front brake system and middle and rear brake system, front brake system includes brake pedal, front axle proportional control valve group, front axle brake valve group and front brake cylinder, middle and rear brake system includes brake pedal, slow running valve, middle and rear axle brake valve, rear axle proportional valve group, relay valve group, rear axle brake cylinder and middle axle brake cylinder, the utility model discloses a mine dump truck wet disc brake hydraulic system can realize manual operation brake and line control remote brake function, reaches unmanned operation's requirement, is used for unmanned vehicle or auxiliary driving, and in order to adapt to the distance of middle and rear axle of three axle vehicle and the distance of main brake valve group is longer, two relay valve groups are added, brake corresponding speed is improved, faster brake response is realized, makes travel more safe.

The invention relates to an electromagnetic valve for an automobile braking system and a control method of the electromagnetic valve, and belongs to the technical field of automobile braking systems.The electromagnetic valve for the automobile braking system comprises a valve element assembly and a coil assembly installed outside the valve element assembly, the valve element assembly comprises a static iron core, a movable iron core and a switch element, and the static iron core is connected with a valve seat through a main valve sleeve to form a containing cavity structure; the movable iron core and the switch element move in the containing cavity structure in the axial direction, the valve seat is arranged to be an integrated valve seat, a main valve is formed between one end of the switch element and the valve seat, and an auxiliary valve is formed between the other end of the switch element and the movable iron core. The electromagnetic valve is simple in structure and easy to manufacture, the risk that the sealing base falls off is avoided, and braking response is rapid.

The utility model relates to a transmission system for a small bar line packing machine head. Comprising a main control servo motor, a speed reducer, a main transmission gear, an electromagnetic clutch gear A, an electromagnetic clutch gear B, a main transmission shaft, a shaft-mounted flange A, a shaft-mounted flange B, an electromagnetic clutch A, an electromagnetic clutch B, an electromagnetic brake A, an electromagnetic brake B, a wire feeding disc wire channel wheel, a transmission bevel gear A, a transmission bevel gear B, a connecting rod shaft, a wire meshing air cylinder and an air cylinder tail tip. The utility model has the beneficial effects that the core transmission chain can reduce the transmission stage number and shorten the maintenance time; quick braking response can be achieved, and the wire feeding length error is reduced; unification of power sources of wire feeding and wire biting actions is ensured, and signal delay is avoided; complex electric control synchronization in a traditional packer system is avoided, and the defect that packing is not compact or wires are wasted is overcome. Abrasion caused by frequent start and stop is reduced, faults caused by continuous operation of equipment are greatly reduced, and maintenance cost and shutdown loss are also greatly reduced.

The present invention belongs to the technical field of brake actuators, and specifically relates to an oil-electric hybrid brake device. The brake device includes a caliper frame and a caliper body slidably connected to the caliper frame; the caliper body has a jaw that can accommodate a brake disc; friction plates are provided on the caliper body and on both sides of the jaw, respectively recorded as the first friction plate and the second friction plate, and a hydraulic drive device and an electric drive device are relatively provided on the caliper frame and on both sides of the caliper body; the hydraulic drive device can push the first friction plate to move in the direction close to the second friction plate, and the electric drive device can push the second friction plate to move in the direction close to the first friction plate. The present invention not only shortens the braking response time, but also improves the braking force, effectively solving the defect that the traditional EPB braking response speed and braking force cannot be taken into account at the same time. At the same time, the present invention has the dual functions of service braking and parking braking, and has the advantages of good braking stability and less space occupation.

The utility model relates to the technical field of band-type brakes, in particular to a band-type brake torque dynamic compensation adjusting device which comprises a base, a band-type brake body is arranged at the top of the base and connected with a band-type brake braking torque detecting device, and a transmission shaft is integrally formed on the front side of a band-type brake wheel of the band-type brake body. An auxiliary braking assembly is arranged at the top of the base and located in front of the band-type brake body and comprises a fixed vertical plate installed on the front side of the top of the base through bolts, a rotating block is rotationally connected to the rear side of the fixed vertical plate, a braking wheel is arranged on the outer wall of the rotating block, and a dynamic compensation assembly used for braking the braking wheel is arranged at the top of the base. According to the band-type brake torque dynamic compensation adjusting device, through the linkage design of the auxiliary braking assembly and the dynamic compensation assembly, a redundant braking system is formed, secondary braking force is provided when braking force of the band-type brake body is reduced, and the safety redundancy capacity of an elevator system is remarkably enhanced.

A piezoelectric driven dual-speed workbench, the base is installed with a vibrator support frame, a guide rail, and a slider by screws, a grating ruler is fixed on it, a clutch device and a guide device are installed on the upper support seat and the lower support seat, the flexible support plate of the drive device is connected to the vibrator support frame by screws, the drive plate is installed at the tail end of the guide device, the inner side is connected to the guide device by bolts, the outer side is affixed with friction material to contact the drive foot of the drive device, and the upper support seat is connected to the upper workbench through a box. The advantage is that through the piezoelectric vibrator and structural connection, a periodically alternating electrical signal is passed to form a torsional mode, and under the action of friction, the drive plate can be freely driven to move back and forth. That is, the original driving form in the process of moving the workbench is changed, and different workpieces can be moved at different speeds and with different working requirements during the work of the workbench.

This invention discloses a dual electromechanical braking device and its control method for automotive braking. The braking device includes a drive motor, an external gear ring, a reduction and torque amplification device, an electromagnetic power supply, an electromagnet A, a permanent magnet A, a first braking execution module, a second braking execution module, a first clamping mechanism, a second clamping mechanism, a first friction pad, a second friction pad, a brake disc, a bearing, a parking device, a displacement detection device, and a brake wear detection device. This invention uses two sets of braking devices to apply double braking to the brake disc, resulting in shorter braking time, better braking effect, and effectively improved safety performance. This invention also provides a control method for the braking process, including control methods for normal mode, emergency braking mode, and parking mode. During braking, if the braking device fails due to power failure, the detection device will promptly issue a safety alarm to the driver and immediately activate the other braking device for emergency braking, achieving backup braking.

The utility model discloses a kind of line pull oil pressure disc brake lower pump structure, including frame, handle assembly, main oil cylinder subassembly, adjusting screw, disc brake main body, brake cable, disc, hub and bolt;The disc is fixed on hub, and disc is fixed on frame by bolt;The disc brake main body is also fixed on frame, and the disc brake end of disc brake main body corresponds with the position of disc;Main oil cylinder subassembly is provided on the disc brake main body, and the piston end of main oil cylinder subassembly is connected with handle assembly;Adjusting nut is outwardly extended and arranged on the disc brake main body, and adjusting screw is arranged on adjusting nut, brake cable is arranged on the inner side of frame, and brake cable passes through adjusting screw and is connected with handle assembly.The utility model handle assembly is connected with push rod by pivot, can rotate left and right, can flexibly adapt different brake cable direction, reduce pipe friction, improve compatibility.