5results about How to "Uniform braking force" patented technology

The present invention provides a safety protection device for a multi-car parallel elevator, wherein the car runs along a guide rail, the safety protection device is installed on a suspension, the suspension is connected to the car, the safety protection device includes a speed limiter and a safety clamp, the speed limiter and the safety clamp are connected, the speed limiter includes a speed taking unit and a mechanical action unit connected to each other, the speed taking unit rolls along the guide rail, and when the speed of the speed taking unit exceeds a set value, the mechanical action unit is triggered, and the mechanical action unit drives the safety clamp to clamp the guide rail. The present invention performs deceleration and stopping protection on the overspeeding car in two ways, thereby improving the reliability of deceleration and stopping, and the suspension protection device performs suspension protection on the car, thereby further improving the safety of the car operation.

The invention provides a motor with a braking function, which comprises a stator assembly and a rotor assembly, and is characterized in that the stator assembly comprises a stator iron core with a mounting groove and a stator coil arranged in the mounting groove, and further comprises a first braking module; the first braking module comprises eddy current conductor assemblies arranged in the mounting grooves and a permanent magnet assembly arranged outside the rotor assembly in a sleeving mode, each eddy current conductor assembly comprises a first eddy current conductor and a first magnetic conduction backboard, the first eddy current conductors are arranged at the opening ends of the mounting grooves, and the first magnetic conduction backboard is arranged at the opening ends of the mounting grooves. The first magnetic back plate is located in a magnetic area between the first eddy current conductor and the stator coil; and the permanent magnet assembly is arranged opposite to the first eddy current conductor at the corresponding position. The motor has the advantages that the driving and braking buffering functions are simultaneously realized on the basis of the original motor size, and the like.

The utility model relates to the technical field of wind turbine generator unit, in particular to a kind of yaw brake mechanism of wind turbine generator unit, comprising: pedestal, independently fixedly arranged in the interior of tower body;Brake disc, coaxially installed on rotating main shaft, yaw gear ring is coaxially installed on brake disc outer wall, and brake disc is provided with multiple groups of corrugated structure's heat dissipation holes in axial direction, and the radial section of heat dissipation hole is S type airflow passage;Hydraulic brake unit is installed on pedestal by support mechanism, two friction plate assemblies are arranged on hydraulic brake unit, and brake disc is located in the middle of two friction plate assemblies;It improves brake efficiency, and increases brake stability.

The invention discloses a high-rise escape backpack with controllable descent speed, which relates to the technical field of escape backpacks and solves the technical defect that the existing escape backpacks cannot control the descent speed. The technical scheme comprises: a backpack body and a descender, the descender comprises a fixing frame, a central axis, a winding wheel, a planetary gear mechanism and a friction damping mechanism. The beneficial effects of the invention are: the friction damping mechanism comprises a passive centrifugal deceleration mechanism and an active air brake deceleration mechanism, the active air brake deceleration mechanism comprises a first brake assembly, a second brake assembly and a pneumatic brake control assembly, the brake assembly comprises a brake chamber, a brake wheel disc, a brake push rod, a limiting base, a driving gear disc, a driving rack and a brake cylinder, the pneumatic brake control assembly controls the brake cylinder to push the driving rack to rotate the driving gear disc, and drives the brake push rod to clamp the brake wheel disc through an arc-shaped driving groove to increase the friction damping of the descender, thereby controlling the descent speed. The structure is simple, reliable and easy to use.

The present invention provides a motor with a braking function, comprising a stator assembly and a rotor assembly, wherein the stator assembly comprises a stator core with mounting slots, and a stator coil arranged in the mounting slots, and further comprises a first braking module, wherein the first braking module comprises an eddy current conductor assembly arranged in each of the mounting slots, and a permanent magnet assembly sleeved outside the rotor assembly, wherein the eddy current conductor assembly comprises a first eddy current conductor and a first magnetic conductive back plate, wherein the first eddy current conductor is arranged at the opening end of the mounting slot, and the first magnetic conductive back plate is located in the magnetic conductive area between the first eddy current conductor and the stator coil; the permanent magnet assembly is arranged relative to the first eddy current conductor at the corresponding position. The present invention has the advantages of realizing the driving and braking buffering functions at the same time on the basis of the original motor size.