A brake system for use in shaft and inclined conveyor systems in mining, with several brake channels for releasing or applying brake force generators to provided braking surfaces (2), wherein a first main pressure control path and a second secondary pressure control path, which is activated in the event of a fault in the main pressure control path, are provided for each brake channel and wherein a plurality of, preferably safe, central processing units (CPUs) with associated signal and voltage supply are provided for redundant control of the main and secondary pressure control paths of the several brake channels, wherein each, preferably safe, CPU is provided for controlling the main pressure control path of at least one brake channel associated therewith, as well as a secondary pressure control path of at least one other of the plurality of brake channels.

A braking mechanism of a wheeled device is provided, including: a main body, configured to be connected to the wheeled device including at least one wheel; an adjusting member, disposed on the main body and including a rod and a first abutting member adjustably positioned on the rod; a braking member, movably disposed on the main body; and an elastic member, abutted between the first abutting member and the braking member so that the braking member is biased by the force of the elastic member toward the at least one wheel to frictionally contact the at least one wheel.

A braking mechanism of a wheeled device is provided, including: a main body, configured to be connected to the wheeled device including at least one wheel; an adjusting member, disposed on the main body and including a rod and a first abutting member adjustably positioned on the rod; a braking member, movably disposed on the main body; and an elastic member, abutted between the first abutting member and the braking member so that the braking member is biased by the force of the elastic member toward the at least one wheel to frictionally contact the at least one wheel.

An external drum brake anti-falling device includes a carrier having an accommodating chamber and a main shaft crossingly arranged in the accommodating chamber for supporting a rotating drum to autorotate, wherein the rotating drum has a life belt coiled thereon, a brake unit arranged at an end thereof, and a drum brake module, which includes a base, mounted in the accommodating chamber, and a passive ring, mounted on the base. The base has a through hole, axially penetratingly provided thereon, so as to define a first ring surface disposed in a concentric circle manner with the main shaft. An outer diameter of the passive ring defines a second ring surface opposite to and closely fitting to the first ring surface and concentrically defines internally toothed ratchet teeth provided thereon for sequentially generating maximum static friction force and kinetic friction force between the first ring surface and the second ring surface when the life belt drives the brake unit to be engaged with the ratchet teeth, thereby effectively buffering the rotating drum and the life belt.

A false triggering prevention device for a spindle self-locking mechanism of an electric tool, includes a blocking member and an elastic element, where the blocking member includes a rotating portion, a connecting portion and a blocking portion that are sequentially connected to one another; one end of the elastic element is connected to a gear; the other end of the elastic element is connected to the connecting portion; the rotating portion is rotatably connected to a self-locking surface of the gear, such that the blocking member has a rotating state and a static state; when the blocking member is in the rotating state, the blocking portion covers a self-locking hole to prevent insertion of the self-locking pin into the self-locking hole; and when the blocking member is in the static state, the blocking portion does not cover the self-locking hole.

An electromagnetic brake with a housing body and a coil unit, wherein the coil unit has a positive connection to the housing body, wherein the coil unit is positively connected to the housing body by means of a snap-fit connection, wherein at least one snap hook of the coil unit is supported on a web of the housing body.

The invention relates to a braking mechanism (10) for an electric drive motor (1), in particular a drive motor (2) comprising an armature shaft (5) that protrudes from a motor housing (2); the braking mechanism (10) comprises at least one braking element (17) and an energy store, the energy store permanently applying a braking power to a frictional surface of the braking element. The braking mechanism (10) is characterized in that the energy store and the braking element (17) are made of the same material as a single piece.

The invention relates to a braking mechanism (10) for an electric drive motor (1), in particular a drive motor (2) comprising an armature shaft (5) that protrudes from a motor housing (2); the braking mechanism (10) comprises at least one braking element (17) and an energy store, the energy store permanently applying a braking power to a frictional surface of the braking element. The braking mechanism (10) is characterized in that the energy store and the braking element (17) are made of the same material as a single piece.

Disclosed is a self-locking apparatus for a linear actuator, which relates to the field of linear actuation equipment. The self-locking apparatus includes a one-way bearing and a friction collar, wherein the one-way bearing includes an inner race and an outer race, the inner race being sleeved to the rotary screw of the linear actuator, the friction collar being connected to the outer race; wherein the self-locking apparatus further includes a friction member fitted with the friction collar, such that when the rotary screw rotates forwardly, the outer race does not rotate; and when the rotary screw rotates reversely, the outer race, the inner race, and the friction collar rotate synchronously, such that friction is produced by contacting between the friction collar and the friction member. Further disclosed is a linear actuator applying the self-locking apparatus.

An automatic load brake having a wear-induced locking mechanism for a hoist is disclosed. In various embodiments, the load brake includes a first shaft defining an annular hollow portion and a radially outer surface; a second shaft defining an engagement portion and a radially inner surface, the radially inner surface configured to engage the radially outer surface; a first reaction plate coupled to the first shaft; a second reaction plate coupled to the second shaft; and a plurality of friction discs, with at least one of the plurality of friction discs coupled to a cup and disposed between the first reaction plate and the second reaction plate, the annular hollow portion of the first shaft being configured to lock to the engagement portion of the second shaft upon thinning of the plurality of friction discs.