The invention discloses a
linear motor permanent magnetic
brake. The
linear motor permanent magnetic
brake comprises a static iron core
assembly and a moving plate
assembly, wherein the static iron core
assembly comprises multiple coils embedded in the static iron core; the upper portion of each coil is provided with a
magnet yoke and
magnet steel; the moving plate assembly comprises a fixed plate and a movable plate which are spaced by a spring sheet; and the fixed plate is placed above the
magnet yokes and the magnetic steel. The
linear motor permanent magnetic
brake has the following advantages: 1, linear internal contracting brake is realized, the volume is small, and the weight is light; 2, the
processing is simple, and the installation and maintenance are simple; 3, the connection is reliable, the brake is flexible,
automatic control and long-distance operation of a work mechanism can be realized, and the brake time is extremely short; 4, the
control power is small, and the service life is long; 5, the performance is stable, and the safety and reliability are high; 6, the structure is simple and compact, the operation is simple, and accurate combination can be guaranteed in quite short time; 7, diversified combination and application can be realized through adjusting features of the coils and the magnetic steel; and 8, the linear
electromagnetic brake does not need motion at all, apart from an
electromagnet, a brake using a permanent magnet does not need
electric power, and thus the space and the efficiency can be reduced.