An automatic train coupling includes: a coupling head including a coupling head housing and a coupling fastener, the coupling fastener being a rotary fastener including a coupling eyelet and a core, the core being rotatable between coupled and decoupled positions, the coupling eyelet by way of its first end being connected to the core such that the coupling eyelet is rotatable, the core including a throat; and a decoupling installation which is configured for being electrically, hydraulically, or pneumatically activated and which includes a motor that, by way of a drive connection of the automatic train coupling, is at least indirectly connected to the core so as to rotate the core from the coupled position to the decoupled position, the decoupling installation being disposed either completely within the coupling head housing or completely within the coupling head housing and a coupling bar adjoining the coupling head housing.

An automatic train coupling includes: a coupling head including a coupling head housing and a coupling fastener, the coupling fastener being a rotary fastener including a coupling eyelet and a core, the core being rotatable between coupled and decoupled positions, the coupling eyelet by way of its first end being connected to the core such that the coupling eyelet is rotatable, the core including a throat; and a decoupling installation which is configured for being electrically, hydraulically, or pneumatically activated and which includes a motor that, by way of a drive connection of the automatic train coupling, is at least indirectly connected to the core so as to rotate the core from the coupled position to the decoupled position, the decoupling installation being disposed either completely within the coupling head housing or completely within the coupling head housing and a coupling bar adjoining the coupling head housing.

A coupler uncoupling control mechanism is provided in the present application, comprising an uncoupling cylinder, a propelling cylinder and a control assembly, wherein the propelling cylinder is connected to a first valve body, and the first valve body comprises a first air inlet connected to the main reservoir pipe of the train, a first air outlet communicated with the first air inlet, a second air inlet and a second air outlet communicated with the second air inlet; the first air outlet is communicated with the air inlet chamber of the propelling cylinder, and the second air inlet is communicated with the air outlet chamber of the propelling cylinder. The control assembly comprises a second valve body and the second valve body is a pneumatic control valve; the second valve body comprises a third air inlet communicated with the uncoupling pipe of the train, a third air outlet communicated with the third air inlet, and a first control port capable of controlling airflow communication between the third air inlet and the third air outlet after being triggered; and, the third air inlet is communicated with the air inlet of the uncoupling cylinder, and the first control port is connected to the first air outlet of the first valve body. The present application can ensure that electrical couplers are uncoupled successfully.

A coupler uncoupling control mechanism is provided in the present application, comprising an uncoupling cylinder, a propelling cylinder and a control assembly, wherein the propelling cylinder is connected to a first valve body, and the first valve body comprises a first air inlet connected to the main reservoir pipe of the train, a first air outlet communicated with the first air inlet, a second air inlet and a second air outlet communicated with the second air inlet; the first air outlet is communicated with the air inlet chamber of the propelling cylinder, and the second air inlet is communicated with the air outlet chamber of the propelling cylinder. The control assembly comprises a second valve body and the second valve body is a pneumatic control valve; the second valve body comprises a third air inlet communicated with the uncoupling pipe of the train, a third air outlet communicated with the third air inlet, and a first control port capable of controlling airflow communication between the third air inlet and the third air outlet after being triggered; and, the third air inlet is communicated with the air inlet of the uncoupling cylinder, and the first control port is connected to the first air outlet of the first valve body. The present application can ensure that electrical couplers are uncoupled successfully.

The present invention relates to a coupler comprising a coupler head (11) that houses a mechanical coupler (18) comprising a hook plate (14) With a recess (16) and a shaft (15) mounted on a first end of the hook plate, a blocking mechanism (20) for preventing coupling of the mechanical coupler. The invention also relates to a method to operate a coupler to engage the blocking mechanism.

The present invention relates to a coupler comprising a coupler head (11) that houses a mechanical coupler (18) comprising a hook plate (14) With a recess (16) and a shaft (15) mounted on a first end of the hook plate, a blocking mechanism (20) for preventing coupling of the mechanical coupler. The invention also relates to a method to operate a coupler to engage the blocking mechanism.