Electromagnetic hydraulic brake for automobile
A technology of hydraulic brakes and hydraulic brakes, applied in the directions of hydraulic drum brakes, brake actuators, gear transmission mechanisms, etc., can solve the problems of increasing brake energy consumption and brake size, etc., to achieve easy installation and layout, and reduce complexity. , the effect of long life
Inactive Publication Date: 2012-11-21
SHANDONG UNIV OF TECH
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Problems solved by technology
Harbin Institute of Technology proposed an electromagnetic brake model in the article "Analysis of Dynamic Characteristics of a High-Speed Electromagnetic Brake". Requires higher current or more coil turns, which increases brake energy consumption and brake size
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[0011] exist figure 1 In the shown embodiment: it includes a hydraulic braking part and an electromagnetic actuating part, and the hydraulic braking part includes a brake master cylinder 2, a hydraulic pipeline 3, a brake wheel cylinder 4, two opposing brake shoes 5, a brake The movable base plate 6 and the return spring 7, wherein the brake master cylinder 2 is fixed on the vehicle chassis 1, the brake master cylinder 2 is communicated with the brake wheel cylinder 4 through the hydraulic pipeline 3, and the brake wheel cylinder 4 is fixed on the brake base plate 6, the opposite end of the two brake shoes 5 is hingedly installed on the brake base plate 6, the brake wheel cylinder 4 is located between the other ends of the two brake shoes 5, and the other ends of the two brake shoes 5 are close to the brake. On the piston 8 of the wheel cylinder 4, the return spring 7 is arranged on the inner side of the two brake shoes 5 away from the hinged end; the electromagnetic actuating...
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The invention provides an electromagnetic hydraulic brake for an automobile, wherein a brake master cylinder and a brake wheel cylinder of a hydraulic braking part are communicated through a hydraulic pipeline; one opposite ends of two brake shoes are hinged on a brake bottom plate, and the other ends of the two brake shoes abut against a piston of the brake wheel cylinder; and return springs arearranged at the inner sides, far from the hinged ends, of the two brake shoes. The electromagnetic hydraulic brake provided by the invention is characterized in that an electromagnetic actuating partis additionally arranged; the electromagnetic actuating part comprises a fixed iron core, a movable iron core, an electromagnetic coil and a piston push rod; wherein the fixed iron core and the movable iron core are arranged in a band-type brake manner; the electromagnetic coil is sleeved on the fixed iron core which is fixed on a chassis; and one end of the piston push rod is hinged on the movable iron core, and the other end of the piston push rod passes through an open slot on the fixed iron core in a gap manner so as to be fixedly connected with a piston rod of the brake master cylinder. According to the invention, not only can the response speed and control accuracy of the brake be improved, but also the complexity of an oil passage is reduced; and the electromagnetic hydraulic brakeprovided by the invention is simple to operate and convenient to maintain.
Description
technical field [0001] The invention provides an electromagnetic hydraulic brake for automobiles, which belongs to the technical field of vehicle braking. Background technique [0002] At present, automobile brakes mainly include hydraulic brakes, electromagnetic brakes and pneumatic brakes according to the structure of transmission devices. Hydraulic brakes are devices that use manpower or an engine as a power source to pressurize the oil to generate braking force. It is very common at present. The disadvantage is that if only relying on manpower as the braking source will cause driver fatigue, and hydraulic brakes are used. Or the air brake system has complex structure and high cost. An electromagnetic brake is a device that relies on an electromagnetic field to generate braking force. Harbin Institute of Technology proposed an electromagnetic brake model in the article "Analysis of the Dynamic Characteristics of a High-speed Electromagnetic Brake". The brake does not us...
Claims
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IPC IPC(8): F16D51/24F16D65/22F16D121/22F16D121/06
Inventor 任传波杨志学任超高学熠
Owner SHANDONG UNIV OF TECH