A carbon-containing nipple has a nipple thread for carbon-containing electrodes. The nipple has an inlet formed in the nipple thread and the inlet is suitable for receiving an adhesive container filled with a curable adhesive. Preferably, the inlet is a groove which runs through the nipple thread in a transverse manner and is undercut at least in sections. A nipple kit contains such a nipple and the adhesive container containing the adhesive for securing a nipple/electrode connection, wherein the adhesive container is disposed in the inlet. The nipple kit can be used in conjunction with a carbon-containing electrode for use in arc furnaces.

A carbon-containing nipple has a nipple thread for carbon-containing electrodes. The nipple has an inlet formed in the nipple thread and the inlet is suitable for receiving an adhesive container filled with a curable adhesive. Preferably, the inlet is a groove which runs through the nipple thread in a transverse manner and is undercut at least in sections. A nipple kit contains such a nipple and the adhesive container containing the adhesive for securing a nipple/electrode connection, wherein the adhesive container is disposed in the inlet. The nipple kit can be used in conjunction with a carbon-containing electrode for use in arc furnaces.

An electrode joining apparatus for joining a first electrode and a second electrode includes an electrode holder configured to receive the first electrode and a torque device positioned above the electrode holder. The torque device is configured to engage and rotate the second electrode relative to the first electrode. A lift is disposed on the apparatus to move the torque device relative to the electrode holder. In some embodiments, the lift includes a mechanism such as a powered actuator operable to raise the torque device above the electrode holder. In additional embodiments, the lift includes a carriage that is vertically moveable relative to the electrode holder, and the torque device is attached to the carriage.

An electrode joining apparatus for joining a free electrode to a fixed electrode. The electrode joining apparatus includes an electrode holder configured to selectively hold the fixed electrode and a torque device positioned above the electrode holder, the torque device configured to grip and spin the free electrode to join the electrodes. The electrode joining apparatus can include an axial passage defined through the electrode holder and the torque device. A retractable spacer can be movably connected to the electrode joining apparatus, the retractable spacer configured to selectively move into the axial passage. The retractable spacer can be used to form a gap between the free electrode and the fixed electrode before the joining process is initiated. Electrode joining apparatus can also include a spacer drive mechanism coupled to the retractable spacer, the spacer drive mechanism configured to selectively move the retractable spacer into the axial passage.

An electrode feed device for a plasma torch installation including an element for fastening an active electrode, movable in translation along a longitudinal axis of the active electrode, wherein it further has a magazine including compartments each adapted to receive an electrode amongst a plurality of additional electrodes, a system or moving the compartments, configured to place an additional electrode amongst the plurality of additional electrodes in alignment with a current active electrode along the longitudinal axis, an assembly device configured to fasten a proximal end of the current active electrode and a distal end of the additional electrode end-to-end, so that they form together a new active electrode.

An electrode feed device for a plasma torch installation including an element for fastening an active electrode, movable in translation along a longitudinal axis of the active electrode, wherein it further has a magazine including compartments each adapted to receive an electrode amongst a plurality of additional electrodes, a system or moving the compartments, configured to place an additional electrode amongst the plurality of additional electrodes in alignment with a current active electrode along the longitudinal axis, an assembly device configured to fasten a proximal end of the current active electrode and a distal end of the additional electrode end-to-end, so that they form together a new active electrode.

An electrode joining apparatus for joining a fixed electrode and a free electrode including an electrode holder configured to receive the fixed electrode and a torque device positioned above the electrode holder. The torque device is configured to grip and spin the free electrode to join the free electrode to the fixed electrode. A force sensor is coupled to the torque device. The torque device is configured to apply a force on the force sensor when the torque device engages the free electrode. The force sensor can detect a feedback force signal representative of the force applied by the torque device on the free electrode. The feedback force signal can be used to determine the torque applied to the free electrode by the torque device to help ensure that a proper joint is formed between the free electrode and the fixed electrode.

A device for positioning at least one electrode for smelting furnaces includes a container made of metal structural work lined with refractory material (crucible) and a water-cooled structure and by a lid or roof with which vertical electrodes are associated, each one being slideably associated with temporary locking elements, such as a column locking clamp. The device is arranged to the side of a smelting furnace and below a parking position of the electrodes in the periods of interruption of operation of the smelting furnace. The device is constituted by a fixed base with which at least one lifting element, which can slide vertically with respect to the fixed base and is provided with elements that are adapted to determine its position in terms of height and is provided with a load cell, is associated in an upper region.

A device for positioning at least one electrode for smelting furnaces includes a container made of metal structural work lined with refractory material (crucible) and a water-cooled structure and by a lid or roof with which vertical electrodes are associated, each one being slideably associated with temporary locking elements, such as a column locking clamp. The device is arranged to the side of a smelting furnace and below a parking position of the electrodes in the periods of interruption of operation of the smelting furnace. The device is constituted by a fixed base with which at least one lifting element, which can slide vertically with respect to the fixed base and is provided with elements that are adapted to determine its position in terms of height and is provided with a load cell, is associated in an upper region.

The present application provides a power transmission vehicle device, including a vehicle body, an electrode clamping mechanism and an aluminum row clamping mechanism, wherein the electrode clamping mechanism and the aluminum row clamping mechanism are both provided on the vehicle body, the aluminum row clamping mechanism is used for clamping a power transmission aluminum row, and the aluminum row clamping mechanism is connected to the electrode clamping mechanism via a connecting cable; the electrode clamping mechanism comprises a strut and an electrode clamping assembly arranged on the strut. According to the present application, when an electrode clamping assembly clamps a conductive electrode, a corresponding operation can be performed according to a deformation change of the conductive electrode, thereby satisfying the effect of a stable clamping of the conductive electrode by an electrode clamping mechanism.