The present invention provides a buffer stop used for an end of crane rails, including: a rail fastener fixedly connected to the crane rails, where a sliding rail is provided on each side of the rail fastener, a sliding shaft passes through the sliding rails and connecting brackets are mounted at two ends of the sliding shaft, an other end of the connecting bracket is connected to an arc-shaped plate above the rail fastener, each outer side of the connecting brackets is connected to a drive rod B by the sliding shaft, each drive rod B is connected to a drive rod A by a rotating shaft, an impact shaft is connected between top portions of two drive rods A, an impact rubber is mounted on one side of the impact shaft facing crane wheels, and each drive rod A is connected to the rail fastener by a pin shaft. The present invention is used for braking the crane at the end of the rails, to ensure safety of the crane.

The present invention provides a buffer stop used for an end of crane rails, including: a rail fastener fixedly connected to the crane rails, where a sliding rail is provided on each side of the rail fastener, a sliding shaft passes through the sliding rails and connecting brackets are mounted at two ends of the sliding shaft, an other end of the connecting bracket is connected to an arc-shaped plate above the rail fastener, each outer side of the connecting brackets is connected to a drive rod B by the sliding shaft, each drive rod B is connected to a drive rod A by a rotating shaft, an impact shaft is connected between top portions of two drive rods A, an impact rubber is mounted on one side of the impact shaft facing crane wheels, and each drive rod A is connected to the rail fastener by a pin shaft. The present invention is used for braking the crane at the end of the rails, to ensure safety of the crane.

Provided is an overhead travelling crane assembly including an overhead rail and a hoist unit realized to travel along the rail, characterized by a parking lock mounted to the hoist unit, which parking lock includes a brake assembly which, in its default position, prevents movement of the hoist unit along the overhead rail; and a release means realized to release the brake assembly to allow movement of the hoist uni -along the overhead rail. Also provided is a method of operating such an overhead travelling crane assembly; and a wind turbine including such an overhead travelling crane assembly in the nacelle.

Provided is an overhead travelling crane assembly including an overhead rail and a hoist unit realized to travel along the rail, characterized by a parking lock mounted to the hoist unit, which parking lock includes a brake assembly which, in its default position, prevents movement of the hoist unit along the overhead rail; and a release means realized to release the brake assembly to allow movement of the hoist uni -along the overhead rail. Also provided is a method of operating such an overhead travelling crane assembly; and a wind turbine including such an overhead travelling crane assembly in the nacelle.

The present invention provides a buffer stop used for an end of crane rails, including: a rail fastener fixedly connected to the crane rails, where a sliding rail is provided on each side of the rail fastener, a sliding shaft passes through the sliding rails and connecting brackets are mounted at two ends of the sliding shaft, an other end of the connecting bracket is connected to an arc-shaped plate above the rail fastener, each outer side of the connecting brackets is connected to a drive rod B by the sliding shaft, each drive rod B is connected to a drive rod A by a rotating shaft, an impact shaft is connected between top portions of two drive rods A, an impact rubber is mounted on one side of the impact shaft facing crane wheels, and each drive rod A is connected to the rail fastener by a pin shaft. The present invention is used for braking the crane at the end of the rails, to ensure safety of the crane.

The present invention provides a buffer stop used for an end of crane rails, including: a rail fastener fixedly connected to the crane rails, where a sliding rail is provided on each side of the rail fastener, a sliding shaft passes through the sliding rails and connecting brackets are mounted at two ends of the sliding shaft, an other end of the connecting bracket is connected to an arc-shaped plate above the rail fastener, each outer side of the connecting brackets is connected to a drive rod B by the sliding shaft, each drive rod B is connected to a drive rod A by a rotating shaft, an impact shaft is connected between top portions of two drive rods A, an impact rubber is mounted on one side of the impact shaft facing crane wheels, and each drive rod A is connected to the rail fastener by a pin shaft. The present invention is used for braking the crane at the end of the rails, to ensure safety of the crane.

A foldable rail-mounted crane stop device includes an actuating device, a slidably fixing device and a braking device. The actuating device is mounted on a crane rail for bearing the pressure of a crane wheel and thereby actuating the braking device, the slidably fixing device is mounted at an end of the crane rail, and the braking device is connected with the slidably fixing device for braking the crane wheel. The device provided by the present invention is used for crane braking at the end of a rail.

A foldable rail-mounted crane stop device includes an actuating device, a slidably fixing device and a braking device. The actuating device is mounted on a crane rail for bearing the pressure of a crane wheel and thereby actuating the braking device, the slidably fixing device is mounted at an end of the crane rail, and the braking device is connected with the slidably fixing device for braking the crane wheel. The device provided by the present invention is used for crane braking at the end of a rail.

Provided is an overhead travelling crane assembly including an overhead rail and a hoist unit realized to travel along the rail, characterized by a parking lock mounted to the hoist unit, which parking lock includes a brake assembly which, in its default position, prevents movement of the hoist unit along the overhead rail; and a release means realized to release the brake assembly to allow movement of the hoist unit along the overhead rail. Also provided is a method of operating such an overhead travelling crane assembly; and a wind turbine including such an overhead travelling crane assembly in the nacelle.

Provided is an overhead travelling crane assembly including an overhead rail and a hoist unit realized to travel along the rail, characterized by a parking lock mounted to the hoist unit, which parking lock includes a brake assembly which, in its default position, prevents movement of the hoist unit along the overhead rail; and a release means realized to release the brake assembly to allow movement of the hoist unit along the overhead rail. Also provided is a method of operating such an overhead travelling crane assembly; and a wind turbine including such an overhead travelling crane assembly in the nacelle.